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feedparser.pynu �[��� # Copyright (C) 2004-2006 Python Software Foundation
# Authors: Baxter, Wouters and Warsaw
# Contact: email-sig@python.org
"""FeedParser - An email feed parser.
The feed parser implements an interface for incrementally parsing an email
message, line by line. This has advantages for certain applications, such as
those reading email messages off a socket.
FeedParser.feed() is the primary interface for pushing new data into the
parser. It returns when there's nothing more it can do with the available
data. When you have no more data to push into the parser, call .close().
This completes the parsing and returns the root message object.
The other advantage of this parser is that it will never raise a parsing
exception. Instead, when it finds something unexpected, it adds a 'defect' to
the current message. Defects are just instances that live on the message
object's .defects attribute.
"""
__all__ = ['FeedParser']
import re
from email import errors
from email import message
NLCRE = re.compile('\r\n|\r|\n')
NLCRE_bol = re.compile('(\r\n|\r|\n)')
NLCRE_eol = re.compile('(\r\n|\r|\n)\Z')
NLCRE_crack = re.compile('(\r\n|\r|\n)')
# RFC 2822 $3.6.8 Optional fields. ftext is %d33-57 / %d59-126, Any character
# except controls, SP, and ":".
headerRE = re.compile(r'^(From |[\041-\071\073-\176]{1,}:|[\t ])')
EMPTYSTRING = ''
NL = '\n'
NeedMoreData = object()
class BufferedSubFile(object):
"""A file-ish object that can have new data loaded into it.
You can also push and pop line-matching predicates onto a stack. When the
current predicate matches the current line, a false EOF response
(i.e. empty string) is returned instead. This lets the parser adhere to a
simple abstraction -- it parses until EOF closes the current message.
"""
def __init__(self):
# Chunks of the last partial line pushed into this object.
self._partial = []
# The list of full, pushed lines, in reverse order
self._lines = []
# The stack of false-EOF checking predicates.
self._eofstack = []
# A flag indicating whether the file has been closed or not.
self._closed = False
def push_eof_matcher(self, pred):
self._eofstack.append(pred)
def pop_eof_matcher(self):
return self._eofstack.pop()
def close(self):
# Don't forget any trailing partial line.
self.pushlines(''.join(self._partial).splitlines(True))
self._partial = []
self._closed = True
def readline(self):
if not self._lines:
if self._closed:
return ''
return NeedMoreData
# Pop the line off the stack and see if it matches the current
# false-EOF predicate.
line = self._lines.pop()
# RFC 2046, section 5.1.2 requires us to recognize outer level
# boundaries at any level of inner nesting. Do this, but be sure it's
# in the order of most to least nested.
for ateof in self._eofstack[::-1]:
if ateof(line):
# We're at the false EOF. But push the last line back first.
self._lines.append(line)
return ''
return line
def unreadline(self, line):
# Let the consumer push a line back into the buffer.
assert line is not NeedMoreData
self._lines.append(line)
def push(self, data):
"""Push some new data into this object."""
# Crack into lines, but preserve the linesep characters on the end of each
parts = data.splitlines(True)
if not parts or not parts[0].endswith(('\n', '\r')):
# No new complete lines, so just accumulate partials
self._partial += parts
return
if self._partial:
# If there are previous leftovers, complete them now
self._partial.append(parts[0])
parts[0:1] = ''.join(self._partial).splitlines(True)
del self._partial[:]
# If the last element of the list does not end in a newline, then treat
# it as a partial line. We only check for '\n' here because a line
# ending with '\r' might be a line that was split in the middle of a
# '\r\n' sequence (see bugs 1555570 and 1721862).
if not parts[-1].endswith('\n'):
self._partial = [parts.pop()]
self.pushlines(parts)
def pushlines(self, lines):
# Reverse and insert at the front of the lines.
self._lines[:0] = lines[::-1]
def is_closed(self):
return self._closed
def __iter__(self):
return self
def next(self):
line = self.readline()
if line == '':
raise StopIteration
return line
class FeedParser:
"""A feed-style parser of email."""
def __init__(self, _factory=message.Message):
"""_factory is called with no arguments to create a new message obj"""
self._factory = _factory
self._input = BufferedSubFile()
self._msgstack = []
self._parse = self._parsegen().next
self._cur = None
self._last = None
self._headersonly = False
# Non-public interface for supporting Parser's headersonly flag
def _set_headersonly(self):
self._headersonly = True
def feed(self, data):
"""Push more data into the parser."""
self._input.push(data)
self._call_parse()
def _call_parse(self):
try:
self._parse()
except StopIteration:
pass
def close(self):
"""Parse all remaining data and return the root message object."""
self._input.close()
self._call_parse()
root = self._pop_message()
assert not self._msgstack
# Look for final set of defects
if root.get_content_maintype() == 'multipart' \
and not root.is_multipart():
root.defects.append(errors.MultipartInvariantViolationDefect())
return root
def _new_message(self):
msg = self._factory()
if self._cur and self._cur.get_content_type() == 'multipart/digest':
msg.set_default_type('message/rfc822')
if self._msgstack:
self._msgstack[-1].attach(msg)
self._msgstack.append(msg)
self._cur = msg
self._last = msg
def _pop_message(self):
retval = self._msgstack.pop()
if self._msgstack:
self._cur = self._msgstack[-1]
else:
self._cur = None
return retval
def _parsegen(self):
# Create a new message and start by parsing headers.
self._new_message()
headers = []
# Collect the headers, searching for a line that doesn't match the RFC
# 2822 header or continuation pattern (including an empty line).
for line in self._input:
if line is NeedMoreData:
yield NeedMoreData
continue
if not headerRE.match(line):
# If we saw the RFC defined header/body separator
# (i.e. newline), just throw it away. Otherwise the line is
# part of the body so push it back.
if not NLCRE.match(line):
self._input.unreadline(line)
break
headers.append(line)
# Done with the headers, so parse them and figure out what we're
# supposed to see in the body of the message.
self._parse_headers(headers)
# Headers-only parsing is a backwards compatibility hack, which was
# necessary in the older parser, which could raise errors. All
# remaining lines in the input are thrown into the message body.
if self._headersonly:
lines = []
while True:
line = self._input.readline()
if line is NeedMoreData:
yield NeedMoreData
continue
if line == '':
break
lines.append(line)
self._cur.set_payload(EMPTYSTRING.join(lines))
return
if self._cur.get_content_type() == 'message/delivery-status':
# message/delivery-status contains blocks of headers separated by
# a blank line. We'll represent each header block as a separate
# nested message object, but the processing is a bit different
# than standard message/* types because there is no body for the
# nested messages. A blank line separates the subparts.
while True:
self._input.push_eof_matcher(NLCRE.match)
for retval in self._parsegen():
if retval is NeedMoreData:
yield NeedMoreData
continue
break
msg = self._pop_message()
# We need to pop the EOF matcher in order to tell if we're at
# the end of the current file, not the end of the last block
# of message headers.
self._input.pop_eof_matcher()
# The input stream must be sitting at the newline or at the
# EOF. We want to see if we're at the end of this subpart, so
# first consume the blank line, then test the next line to see
# if we're at this subpart's EOF.
while True:
line = self._input.readline()
if line is NeedMoreData:
yield NeedMoreData
continue
break
while True:
line = self._input.readline()
if line is NeedMoreData:
yield NeedMoreData
continue
break
if line == '':
break
# Not at EOF so this is a line we're going to need.
self._input.unreadline(line)
return
if self._cur.get_content_maintype() == 'message':
# The message claims to be a message/* type, then what follows is
# another RFC 2822 message.
for retval in self._parsegen():
if retval is NeedMoreData:
yield NeedMoreData
continue
break
self._pop_message()
return
if self._cur.get_content_maintype() == 'multipart':
boundary = self._cur.get_boundary()
if boundary is None:
# The message /claims/ to be a multipart but it has not
# defined a boundary. That's a problem which we'll handle by
# reading everything until the EOF and marking the message as
# defective.
self._cur.defects.append(errors.NoBoundaryInMultipartDefect())
lines = []
for line in self._input:
if line is NeedMoreData:
yield NeedMoreData
continue
lines.append(line)
self._cur.set_payload(EMPTYSTRING.join(lines))
return
# Create a line match predicate which matches the inter-part
# boundary as well as the end-of-multipart boundary. Don't push
# this onto the input stream until we've scanned past the
# preamble.
separator = '--' + boundary
boundaryre = re.compile(
'(?P<sep>' + re.escape(separator) +
r')(?P<end>--)?(?P<ws>[ \t]*)(?P<linesep>\r\n|\r|\n)?$')
capturing_preamble = True
preamble = []
linesep = False
while True:
line = self._input.readline()
if line is NeedMoreData:
yield NeedMoreData
continue
if line == '':
break
mo = boundaryre.match(line)
if mo:
# If we're looking at the end boundary, we're done with
# this multipart. If there was a newline at the end of
# the closing boundary, then we need to initialize the
# epilogue with the empty string (see below).
if mo.group('end'):
linesep = mo.group('linesep')
break
# We saw an inter-part boundary. Were we in the preamble?
if capturing_preamble:
if preamble:
# According to RFC 2046, the last newline belongs
# to the boundary.
lastline = preamble[-1]
eolmo = NLCRE_eol.search(lastline)
if eolmo:
preamble[-1] = lastline[:-len(eolmo.group(0))]
self._cur.preamble = EMPTYSTRING.join(preamble)
capturing_preamble = False
self._input.unreadline(line)
continue
# We saw a boundary separating two parts. Consume any
# multiple boundary lines that may be following. Our
# interpretation of RFC 2046 BNF grammar does not produce
# body parts within such double boundaries.
while True:
line = self._input.readline()
if line is NeedMoreData:
yield NeedMoreData
continue
mo = boundaryre.match(line)
if not mo:
self._input.unreadline(line)
break
# Recurse to parse this subpart; the input stream points
# at the subpart's first line.
self._input.push_eof_matcher(boundaryre.match)
for retval in self._parsegen():
if retval is NeedMoreData:
yield NeedMoreData
continue
break
# Because of RFC 2046, the newline preceding the boundary
# separator actually belongs to the boundary, not the
# previous subpart's payload (or epilogue if the previous
# part is a multipart).
if self._last.get_content_maintype() == 'multipart':
epilogue = self._last.epilogue
if epilogue == '':
self._last.epilogue = None
elif epilogue is not None:
mo = NLCRE_eol.search(epilogue)
if mo:
end = len(mo.group(0))
self._last.epilogue = epilogue[:-end]
else:
payload = self._last.get_payload()
if isinstance(payload, basestring):
mo = NLCRE_eol.search(payload)
if mo:
payload = payload[:-len(mo.group(0))]
self._last.set_payload(payload)
self._input.pop_eof_matcher()
self._pop_message()
# Set the multipart up for newline cleansing, which will
# happen if we're in a nested multipart.
self._last = self._cur
else:
# I think we must be in the preamble
assert capturing_preamble
preamble.append(line)
# We've seen either the EOF or the end boundary. If we're still
# capturing the preamble, we never saw the start boundary. Note
# that as a defect and store the captured text as the payload.
# Everything from here to the EOF is epilogue.
if capturing_preamble:
self._cur.defects.append(errors.StartBoundaryNotFoundDefect())
self._cur.set_payload(EMPTYSTRING.join(preamble))
epilogue = []
for line in self._input:
if line is NeedMoreData:
yield NeedMoreData
continue
self._cur.epilogue = EMPTYSTRING.join(epilogue)
return
# If the end boundary ended in a newline, we'll need to make sure
# the epilogue isn't None
if linesep:
epilogue = ['']
else:
epilogue = []
for line in self._input:
if line is NeedMoreData:
yield NeedMoreData
continue
epilogue.append(line)
# Any CRLF at the front of the epilogue is not technically part of
# the epilogue. Also, watch out for an empty string epilogue,
# which means a single newline.
if epilogue:
firstline = epilogue[0]
bolmo = NLCRE_bol.match(firstline)
if bolmo:
epilogue[0] = firstline[len(bolmo.group(0)):]
self._cur.epilogue = EMPTYSTRING.join(epilogue)
return
# Otherwise, it's some non-multipart type, so the entire rest of the
# file contents becomes the payload.
lines = []
for line in self._input:
if line is NeedMoreData:
yield NeedMoreData
continue
lines.append(line)
self._cur.set_payload(EMPTYSTRING.join(lines))
def _parse_headers(self, lines):
# Passed a list of lines that make up the headers for the current msg
lastheader = ''
lastvalue = []
for lineno, line in enumerate(lines):
# Check for continuation
if line[0] in ' \t':
if not lastheader:
# The first line of the headers was a continuation. This
# is illegal, so let's note the defect, store the illegal
# line, and ignore it for purposes of headers.
defect = errors.FirstHeaderLineIsContinuationDefect(line)
self._cur.defects.append(defect)
continue
lastvalue.append(line)
continue
if lastheader:
# XXX reconsider the joining of folded lines
lhdr = EMPTYSTRING.join(lastvalue)[:-1].rstrip('\r\n')
self._cur[lastheader] = lhdr
lastheader, lastvalue = '', []
# Check for envelope header, i.e. unix-from
if line.startswith('From '):
if lineno == 0:
# Strip off the trailing newline
mo = NLCRE_eol.search(line)
if mo:
line = line[:-len(mo.group(0))]
self._cur.set_unixfrom(line)
continue
elif lineno == len(lines) - 1:
# Something looking like a unix-from at the end - it's
# probably the first line of the body, so push back the
# line and stop.
self._input.unreadline(line)
return
else:
# Weirdly placed unix-from line. Note this as a defect
# and ignore it.
defect = errors.MisplacedEnvelopeHeaderDefect(line)
self._cur.defects.append(defect)
continue
# Split the line on the colon separating field name from value.
i = line.find(':')
if i < 0:
defect = errors.MalformedHeaderDefect(line)
self._cur.defects.append(defect)
continue
lastheader = line[:i]
lastvalue = [line[i+1:].lstrip()]
# Done with all the lines, so handle the last header.
if lastheader:
# XXX reconsider the joining of folded lines
self._cur[lastheader] = EMPTYSTRING.join(lastvalue).rstrip('\r\n')
PK f�\ 9�
*' *' utils.pynu �[��� # Copyright (C) 2001-2010 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Miscellaneous utilities."""
__all__ = [
'collapse_rfc2231_value',
'decode_params',
'decode_rfc2231',
'encode_rfc2231',
'formataddr',
'formatdate',
'getaddresses',
'make_msgid',
'mktime_tz',
'parseaddr',
'parsedate',
'parsedate_tz',
'unquote',
]
import os
import re
import time
import base64
import random
import socket
import urllib
import warnings
from email._parseaddr import quote
from email._parseaddr import AddressList as _AddressList
from email._parseaddr import mktime_tz
# We need wormarounds for bugs in these methods in older Pythons (see below)
from email._parseaddr import parsedate as _parsedate
from email._parseaddr import parsedate_tz as _parsedate_tz
from quopri import decodestring as _qdecode
# Intrapackage imports
from email.encoders import _bencode, _qencode
COMMASPACE = ', '
EMPTYSTRING = ''
UEMPTYSTRING = u''
CRLF = '\r\n'
TICK = "'"
specialsre = re.compile(r'[][\\()<>@,:;".]')
escapesre = re.compile(r'[][\\()"]')
# Helpers
def _identity(s):
return s
def _bdecode(s):
"""Decodes a base64 string.
This function is equivalent to base64.decodestring and it's retained only
for backward compatibility. It used to remove the last \\n of the decoded
string, if it had any (see issue 7143).
"""
if not s:
return s
return base64.decodestring(s)
def fix_eols(s):
"""Replace all line-ending characters with \\r\\n."""
# Fix newlines with no preceding carriage return
s = re.sub(r'(?<!\r)\n', CRLF, s)
# Fix carriage returns with no following newline
s = re.sub(r'\r(?!\n)', CRLF, s)
return s
def formataddr(pair):
"""The inverse of parseaddr(), this takes a 2-tuple of the form
(realname, email_address) and returns the string value suitable
for an RFC 2822 From, To or Cc header.
If the first element of pair is false, then the second element is
returned unmodified.
"""
name, address = pair
if name:
quotes = ''
if specialsre.search(name):
quotes = '"'
name = escapesre.sub(r'\\\g<0>', name)
return '%s%s%s <%s>' % (quotes, name, quotes, address)
return address
def getaddresses(fieldvalues):
"""Return a list of (REALNAME, EMAIL) for each fieldvalue."""
all = COMMASPACE.join(fieldvalues)
a = _AddressList(all)
return a.addresslist
ecre = re.compile(r'''
=\? # literal =?
(?P<charset>[^?]*?) # non-greedy up to the next ? is the charset
\? # literal ?
(?P<encoding>[qb]) # either a "q" or a "b", case insensitive
\? # literal ?
(?P<atom>.*?) # non-greedy up to the next ?= is the atom
\?= # literal ?=
''', re.VERBOSE | re.IGNORECASE)
def formatdate(timeval=None, localtime=False, usegmt=False):
"""Returns a date string as specified by RFC 2822, e.g.:
Fri, 09 Nov 2001 01:08:47 -0000
Optional timeval if given is a floating point time value as accepted by
gmtime() and localtime(), otherwise the current time is used.
Optional localtime is a flag that when True, interprets timeval, and
returns a date relative to the local timezone instead of UTC, properly
taking daylight savings time into account.
Optional argument usegmt means that the timezone is written out as
an ascii string, not numeric one (so "GMT" instead of "+0000"). This
is needed for HTTP, and is only used when localtime==False.
"""
# Note: we cannot use strftime() because that honors the locale and RFC
# 2822 requires that day and month names be the English abbreviations.
if timeval is None:
timeval = time.time()
if localtime:
now = time.localtime(timeval)
# Calculate timezone offset, based on whether the local zone has
# daylight savings time, and whether DST is in effect.
if time.daylight and now[-1]:
offset = time.altzone
else:
offset = time.timezone
hours, minutes = divmod(abs(offset), 3600)
# Remember offset is in seconds west of UTC, but the timezone is in
# minutes east of UTC, so the signs differ.
if offset > 0:
sign = '-'
else:
sign = '+'
zone = '%s%02d%02d' % (sign, hours, minutes // 60)
else:
now = time.gmtime(timeval)
# Timezone offset is always -0000
if usegmt:
zone = 'GMT'
else:
zone = '-0000'
return '%s, %02d %s %04d %02d:%02d:%02d %s' % (
['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'][now[6]],
now[2],
['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'][now[1] - 1],
now[0], now[3], now[4], now[5],
zone)
def make_msgid(idstring=None):
"""Returns a string suitable for RFC 2822 compliant Message-ID, e.g:
<142480216486.20800.16526388040877946887@nightshade.la.mastaler.com>
Optional idstring if given is a string used to strengthen the
uniqueness of the message id.
"""
timeval = int(time.time()*100)
pid = os.getpid()
randint = random.getrandbits(64)
if idstring is None:
idstring = ''
else:
idstring = '.' + idstring
idhost = socket.getfqdn()
msgid = '<%d.%d.%d%s@%s>' % (timeval, pid, randint, idstring, idhost)
return msgid
# These functions are in the standalone mimelib version only because they've
# subsequently been fixed in the latest Python versions. We use this to worm
# around broken older Pythons.
def parsedate(data):
if not data:
return None
return _parsedate(data)
def parsedate_tz(data):
if not data:
return None
return _parsedate_tz(data)
def parseaddr(addr):
"""
Parse addr into its constituent realname and email address parts.
Return a tuple of realname and email address, unless the parse fails, in
which case return a 2-tuple of ('', '').
"""
addrs = _AddressList(addr).addresslist
if not addrs:
return '', ''
return addrs[0]
# rfc822.unquote() doesn't properly de-backslash-ify in Python pre-2.3.
def unquote(str):
"""Remove quotes from a string."""
if len(str) > 1:
if str.startswith('"') and str.endswith('"'):
return str[1:-1].replace('\\\\', '\\').replace('\\"', '"')
if str.startswith('<') and str.endswith('>'):
return str[1:-1]
return str
# RFC2231-related functions - parameter encoding and decoding
def decode_rfc2231(s):
"""Decode string according to RFC 2231"""
parts = s.split(TICK, 2)
if len(parts) <= 2:
return None, None, s
return parts
def encode_rfc2231(s, charset=None, language=None):
"""Encode string according to RFC 2231.
If neither charset nor language is given, then s is returned as-is. If
charset is given but not language, the string is encoded using the empty
string for language.
"""
import urllib
s = urllib.quote(s, safe='')
if charset is None and language is None:
return s
if language is None:
language = ''
return "%s'%s'%s" % (charset, language, s)
rfc2231_continuation = re.compile(r'^(?P<name>\w+)\*((?P<num>[0-9]+)\*?)?$')
def decode_params(params):
"""Decode parameters list according to RFC 2231.
params is a sequence of 2-tuples containing (param name, string value).
"""
# Copy params so we don't mess with the original
params = params[:]
new_params = []
# Map parameter's name to a list of continuations. The values are a
# 3-tuple of the continuation number, the string value, and a flag
# specifying whether a particular segment is %-encoded.
rfc2231_params = {}
name, value = params.pop(0)
new_params.append((name, value))
while params:
name, value = params.pop(0)
if name.endswith('*'):
encoded = True
else:
encoded = False
value = unquote(value)
mo = rfc2231_continuation.match(name)
if mo:
name, num = mo.group('name', 'num')
if num is not None:
num = int(num)
rfc2231_params.setdefault(name, []).append((num, value, encoded))
else:
new_params.append((name, '"%s"' % quote(value)))
if rfc2231_params:
for name, continuations in rfc2231_params.items():
value = []
extended = False
# Sort by number
continuations.sort()
# And now append all values in numerical order, converting
# %-encodings for the encoded segments. If any of the
# continuation names ends in a *, then the entire string, after
# decoding segments and concatenating, must have the charset and
# language specifiers at the beginning of the string.
for num, s, encoded in continuations:
if encoded:
s = urllib.unquote(s)
extended = True
value.append(s)
value = quote(EMPTYSTRING.join(value))
if extended:
charset, language, value = decode_rfc2231(value)
new_params.append((name, (charset, language, '"%s"' % value)))
else:
new_params.append((name, '"%s"' % value))
return new_params
def collapse_rfc2231_value(value, errors='replace',
fallback_charset='us-ascii'):
if isinstance(value, tuple):
rawval = unquote(value[2])
charset = value[0] or 'us-ascii'
try:
return unicode(rawval, charset, errors)
except LookupError:
# XXX charset is unknown to Python.
return unicode(rawval, fallback_charset, errors)
else:
return unquote(value)
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character set, but that includes some 8-bit characters that are normally not
allowed in email bodies or headers.
Quoted-printable is very space-inefficient for encoding binary files; use the
email.base64mime module for that instead.
This module provides an interface to encode and decode both headers and bodies
with quoted-printable encoding.
RFC 2045 defines a method for including character set information in an
`encoded-word' in a header. This method is commonly used for 8-bit real names
in To:/From:/Cc: etc. fields, as well as Subject: lines.
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conversion necessary for proper internationalized headers; it only
does dumb encoding and decoding. To deal with the various line
wrapping issues, use the email.header module.
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| S| s t | � } n g } | d k r: d } n | t | � t d } xi | D]a } | d k r~ t | d | � qY t j | � s� t | | | � qY t | d t | � | � qY W| d } | j g | D] } d | | f ^ q� � S( s� Encode a single header line with quoted-printable (like) encoding.
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bit characters (and some 8 bit) to remain more or less readable in non-RFC
2045 aware mail clients.
charset names the character set to use to encode the header. It defaults
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=?charset?q?Silly_=C8nglish_Kn=EEghts?="
with each line wrapped safely at, at most, maxlinelen characters (defaults
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one chunk with no splitting.
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to the canonical email line separator \r\n unless the keep_eols
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this to "\r\n" if you will be using the result of this function directly
in an email.
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character "=" appended to them, so the decoded text will be identical to
the original text.
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charset.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Ben Gertzfield, Barry Warsaw
# Contact: email-sig@python.org
__all__ = [
'Charset',
'add_alias',
'add_charset',
'add_codec',
]
import codecs
import email.base64mime
import email.quoprimime
from email import errors
from email.encoders import encode_7or8bit
# Flags for types of header encodings
QP = 1 # Quoted-Printable
BASE64 = 2 # Base64
SHORTEST = 3 # the shorter of QP and base64, but only for headers
# In "=?charset?q?hello_world?=", the =?, ?q?, and ?= add up to 7
MISC_LEN = 7
DEFAULT_CHARSET = 'us-ascii'
# Defaults
CHARSETS = {
# input header enc body enc output conv
'iso-8859-1': (QP, QP, None),
'iso-8859-2': (QP, QP, None),
'iso-8859-3': (QP, QP, None),
'iso-8859-4': (QP, QP, None),
# iso-8859-5 is Cyrillic, and not especially used
# iso-8859-6 is Arabic, also not particularly used
# iso-8859-7 is Greek, QP will not make it readable
# iso-8859-8 is Hebrew, QP will not make it readable
'iso-8859-9': (QP, QP, None),
'iso-8859-10': (QP, QP, None),
# iso-8859-11 is Thai, QP will not make it readable
'iso-8859-13': (QP, QP, None),
'iso-8859-14': (QP, QP, None),
'iso-8859-15': (QP, QP, None),
'iso-8859-16': (QP, QP, None),
'windows-1252':(QP, QP, None),
'viscii': (QP, QP, None),
'us-ascii': (None, None, None),
'big5': (BASE64, BASE64, None),
'gb2312': (BASE64, BASE64, None),
'euc-jp': (BASE64, None, 'iso-2022-jp'),
'shift_jis': (BASE64, None, 'iso-2022-jp'),
'iso-2022-jp': (BASE64, None, None),
'koi8-r': (BASE64, BASE64, None),
'utf-8': (SHORTEST, BASE64, 'utf-8'),
# We're making this one up to represent raw unencoded 8-bit
'8bit': (None, BASE64, 'utf-8'),
}
# Aliases for other commonly-used names for character sets. Map
# them to the real ones used in email.
ALIASES = {
'latin_1': 'iso-8859-1',
'latin-1': 'iso-8859-1',
'latin_2': 'iso-8859-2',
'latin-2': 'iso-8859-2',
'latin_3': 'iso-8859-3',
'latin-3': 'iso-8859-3',
'latin_4': 'iso-8859-4',
'latin-4': 'iso-8859-4',
'latin_5': 'iso-8859-9',
'latin-5': 'iso-8859-9',
'latin_6': 'iso-8859-10',
'latin-6': 'iso-8859-10',
'latin_7': 'iso-8859-13',
'latin-7': 'iso-8859-13',
'latin_8': 'iso-8859-14',
'latin-8': 'iso-8859-14',
'latin_9': 'iso-8859-15',
'latin-9': 'iso-8859-15',
'latin_10':'iso-8859-16',
'latin-10':'iso-8859-16',
'cp949': 'ks_c_5601-1987',
'euc_jp': 'euc-jp',
'euc_kr': 'euc-kr',
'ascii': 'us-ascii',
}
# Map charsets to their Unicode codec strings.
CODEC_MAP = {
'gb2312': 'eucgb2312_cn',
'big5': 'big5_tw',
# Hack: We don't want *any* conversion for stuff marked us-ascii, as all
# sorts of garbage might be sent to us in the guise of 7-bit us-ascii.
# Let that stuff pass through without conversion to/from Unicode.
'us-ascii': None,
}
# Convenience functions for extending the above mappings
def add_charset(charset, header_enc=None, body_enc=None, output_charset=None):
"""Add character set properties to the global registry.
charset is the input character set, and must be the canonical name of a
character set.
Optional header_enc and body_enc is either Charset.QP for
quoted-printable, Charset.BASE64 for base64 encoding, Charset.SHORTEST for
the shortest of qp or base64 encoding, or None for no encoding. SHORTEST
is only valid for header_enc. It describes how message headers and
message bodies in the input charset are to be encoded. Default is no
encoding.
Optional output_charset is the character set that the output should be
in. Conversions will proceed from input charset, to Unicode, to the
output charset when the method Charset.convert() is called. The default
is to output in the same character set as the input.
Both input_charset and output_charset must have Unicode codec entries in
the module's charset-to-codec mapping; use add_codec(charset, codecname)
to add codecs the module does not know about. See the codecs module's
documentation for more information.
"""
if body_enc == SHORTEST:
raise ValueError('SHORTEST not allowed for body_enc')
CHARSETS[charset] = (header_enc, body_enc, output_charset)
def add_alias(alias, canonical):
"""Add a character set alias.
alias is the alias name, e.g. latin-1
canonical is the character set's canonical name, e.g. iso-8859-1
"""
ALIASES[alias] = canonical
def add_codec(charset, codecname):
"""Add a codec that map characters in the given charset to/from Unicode.
charset is the canonical name of a character set. codecname is the name
of a Python codec, as appropriate for the second argument to the unicode()
built-in, or to the encode() method of a Unicode string.
"""
CODEC_MAP[charset] = codecname
class Charset:
"""Map character sets to their email properties.
This class provides information about the requirements imposed on email
for a specific character set. It also provides convenience routines for
converting between character sets, given the availability of the
applicable codecs. Given a character set, it will do its best to provide
information on how to use that character set in an email in an
RFC-compliant way.
Certain character sets must be encoded with quoted-printable or base64
when used in email headers or bodies. Certain character sets must be
converted outright, and are not allowed in email. Instances of this
module expose the following information about a character set:
input_charset: The initial character set specified. Common aliases
are converted to their `official' email names (e.g. latin_1
is converted to iso-8859-1). Defaults to 7-bit us-ascii.
header_encoding: If the character set must be encoded before it can be
used in an email header, this attribute will be set to
Charset.QP (for quoted-printable), Charset.BASE64 (for
base64 encoding), or Charset.SHORTEST for the shortest of
QP or BASE64 encoding. Otherwise, it will be None.
body_encoding: Same as header_encoding, but describes the encoding for the
mail message's body, which indeed may be different than the
header encoding. Charset.SHORTEST is not allowed for
body_encoding.
output_charset: Some character sets must be converted before they can be
used in email headers or bodies. If the input_charset is
one of them, this attribute will contain the name of the
charset output will be converted to. Otherwise, it will
be None.
input_codec: The name of the Python codec used to convert the
input_charset to Unicode. If no conversion codec is
necessary, this attribute will be None.
output_codec: The name of the Python codec used to convert Unicode
to the output_charset. If no conversion codec is necessary,
this attribute will have the same value as the input_codec.
"""
def __init__(self, input_charset=DEFAULT_CHARSET):
# RFC 2046, $4.1.2 says charsets are not case sensitive. We coerce to
# unicode because its .lower() is locale insensitive. If the argument
# is already a unicode, we leave it at that, but ensure that the
# charset is ASCII, as the standard (RFC XXX) requires.
try:
if isinstance(input_charset, unicode):
input_charset.encode('ascii')
else:
input_charset = unicode(input_charset, 'ascii')
except UnicodeError:
raise errors.CharsetError(input_charset)
input_charset = input_charset.lower().encode('ascii')
# Set the input charset after filtering through the aliases and/or codecs
if not (input_charset in ALIASES or input_charset in CHARSETS):
try:
input_charset = codecs.lookup(input_charset).name
except LookupError:
pass
self.input_charset = ALIASES.get(input_charset, input_charset)
# We can try to guess which encoding and conversion to use by the
# charset_map dictionary. Try that first, but let the user override
# it.
henc, benc, conv = CHARSETS.get(self.input_charset,
(SHORTEST, BASE64, None))
if not conv:
conv = self.input_charset
# Set the attributes, allowing the arguments to override the default.
self.header_encoding = henc
self.body_encoding = benc
self.output_charset = ALIASES.get(conv, conv)
# Now set the codecs. If one isn't defined for input_charset,
# guess and try a Unicode codec with the same name as input_codec.
self.input_codec = CODEC_MAP.get(self.input_charset,
self.input_charset)
self.output_codec = CODEC_MAP.get(self.output_charset,
self.output_charset)
def __str__(self):
return self.input_charset.lower()
__repr__ = __str__
def __eq__(self, other):
return str(self) == str(other).lower()
def __ne__(self, other):
return not self.__eq__(other)
def get_body_encoding(self):
"""Return the content-transfer-encoding used for body encoding.
This is either the string `quoted-printable' or `base64' depending on
the encoding used, or it is a function in which case you should call
the function with a single argument, the Message object being
encoded. The function should then set the Content-Transfer-Encoding
header itself to whatever is appropriate.
Returns "quoted-printable" if self.body_encoding is QP.
Returns "base64" if self.body_encoding is BASE64.
Returns "7bit" otherwise.
"""
assert self.body_encoding != SHORTEST
if self.body_encoding == QP:
return 'quoted-printable'
elif self.body_encoding == BASE64:
return 'base64'
else:
return encode_7or8bit
def convert(self, s):
"""Convert a string from the input_codec to the output_codec."""
if self.input_codec != self.output_codec:
return unicode(s, self.input_codec).encode(self.output_codec)
else:
return s
def to_splittable(self, s):
"""Convert a possibly multibyte string to a safely splittable format.
Uses the input_codec to try and convert the string to Unicode, so it
can be safely split on character boundaries (even for multibyte
characters).
Returns the string as-is if it isn't known how to convert it to
Unicode with the input_charset.
Characters that could not be converted to Unicode will be replaced
with the Unicode replacement character U+FFFD.
"""
if isinstance(s, unicode) or self.input_codec is None:
return s
try:
return unicode(s, self.input_codec, 'replace')
except LookupError:
# Input codec not installed on system, so return the original
# string unchanged.
return s
def from_splittable(self, ustr, to_output=True):
"""Convert a splittable string back into an encoded string.
Uses the proper codec to try and convert the string from Unicode back
into an encoded format. Return the string as-is if it is not Unicode,
or if it could not be converted from Unicode.
Characters that could not be converted from Unicode will be replaced
with an appropriate character (usually '?').
If to_output is True (the default), uses output_codec to convert to an
encoded format. If to_output is False, uses input_codec.
"""
if to_output:
codec = self.output_codec
else:
codec = self.input_codec
if not isinstance(ustr, unicode) or codec is None:
return ustr
try:
return ustr.encode(codec, 'replace')
except LookupError:
# Output codec not installed
return ustr
def get_output_charset(self):
"""Return the output character set.
This is self.output_charset if that is not None, otherwise it is
self.input_charset.
"""
return self.output_charset or self.input_charset
def encoded_header_len(self, s):
"""Return the length of the encoded header string."""
cset = self.get_output_charset()
# The len(s) of a 7bit encoding is len(s)
if self.header_encoding == BASE64:
return email.base64mime.base64_len(s) + len(cset) + MISC_LEN
elif self.header_encoding == QP:
return email.quoprimime.header_quopri_len(s) + len(cset) + MISC_LEN
elif self.header_encoding == SHORTEST:
lenb64 = email.base64mime.base64_len(s)
lenqp = email.quoprimime.header_quopri_len(s)
return min(lenb64, lenqp) + len(cset) + MISC_LEN
else:
return len(s)
def header_encode(self, s, convert=False):
"""Header-encode a string, optionally converting it to output_charset.
If convert is True, the string will be converted from the input
charset to the output charset automatically. This is not useful for
multibyte character sets, which have line length issues (multibyte
characters must be split on a character, not a byte boundary); use the
high-level Header class to deal with these issues. convert defaults
to False.
The type of encoding (base64 or quoted-printable) will be based on
self.header_encoding.
"""
cset = self.get_output_charset()
if convert:
s = self.convert(s)
# 7bit/8bit encodings return the string unchanged (modulo conversions)
if self.header_encoding == BASE64:
return email.base64mime.header_encode(s, cset)
elif self.header_encoding == QP:
return email.quoprimime.header_encode(s, cset, maxlinelen=None)
elif self.header_encoding == SHORTEST:
lenb64 = email.base64mime.base64_len(s)
lenqp = email.quoprimime.header_quopri_len(s)
if lenb64 < lenqp:
return email.base64mime.header_encode(s, cset)
else:
return email.quoprimime.header_encode(s, cset, maxlinelen=None)
else:
return s
def body_encode(self, s, convert=True):
"""Body-encode a string and convert it to output_charset.
If convert is True (the default), the string will be converted from
the input charset to output charset automatically. Unlike
header_encode(), there are no issues with byte boundaries and
multibyte charsets in email bodies, so this is usually pretty safe.
The type of encoding (base64 or quoted-printable) will be based on
self.body_encoding.
"""
if convert:
s = self.convert(s)
# 7bit/8bit encodings return the string unchanged (module conversions)
if self.body_encoding is BASE64:
return email.base64mime.body_encode(s)
elif self.body_encoding is QP:
return email.quoprimime.body_encode(s)
else:
return s
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to RFC2231 rules.
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isinstancet tupleR t encode_rfc2231t tspecialst searcht quote( R t valueR ( ( s% /usr/lib64/python2.7/email/message.pyt _formatparam& s
$c C s g } x| d d k r| d } | j d � } xR | d k r� | j d d | � | j d d | � d r� | j d | d � } q5 W| d k r� t | � } n | | } d | k r� | j d � } | | j � j � d | | d j � } n | j | j � � | | } q W| S( Ni R i t "s \"i t =( t findt countR t indexR t lowert append( t st plistt endt ft i( ( s% /usr/lib64/python2.7/email/message.pyt _parseparam> s
;
/c C sB t | t � r1 | d | d t j | d � f St j | � Sd S( Ni i i ( R R R t unquote( R ( ( s% /usr/lib64/python2.7/email/message.pyt
_unquotevalueP s "c B s� e Z d Z d � Z d � Z e d � Z d � Z d � Z d � Z d � Z
d. e d � Z d. d � Z
d
� Z d � Z d � Z d
� Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d. d � Z d. d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z! d � Z" d. d e# d � Z$ d. d e# d! � Z% d" e# d. d# d$ � Z& d e# d% � Z' d" e# d& � Z( d. d' � Z) d. d( � Z* d) � Z+ d. d* � Z, d. d+ � Z- d, d- l. m/ Z/ RS(/ s� Basic message object.
A message object is defined as something that has a bunch of RFC 2822
headers and a payload. It may optionally have an envelope header
(a.k.a. Unix-From or From_ header). If the message is a container (i.e. a
multipart or a message/rfc822), then the payload is a list of Message
objects, otherwise it is a string.
Message objects implement part of the `mapping' interface, which assumes
there is exactly one occurrence of the header per message. Some headers
do in fact appear multiple times (e.g. Received) and for those headers,
you must use the explicit API to set or get all the headers. Not all of
the mapping methods are implemented.
c C sJ g | _ d | _ d | _ d | _ d | _ | _ g | _ d | _ d S( Ns
text/plain( t _headersR t _unixfromt _payloadt _charsett preamblet epiloguet defectst
_default_type( t self( ( s% /usr/lib64/python2.7/email/message.pyt __init__k s c C s | j d t � S( sw Return the entire formatted message as a string.
This includes the headers, body, and envelope header.
t unixfrom( t as_stringt True( R. ( ( s% /usr/lib64/python2.7/email/message.pyt __str__v s c C sB d d l m } t � } | | � } | j | d | �| j � S( s� Return the entire formatted message as a string.
Optional `unixfrom' when True, means include the Unix From_ envelope
header.
This is a convenience method and may not generate the message exactly
as you intend because by default it mangles lines that begin with
"From ". For more flexibility, use the flatten() method of a
Generator instance.
i����( t GeneratorR0 ( t email.generatorR4 R t flattent getvalue( R. R0 R4 t fpt g( ( s% /usr/lib64/python2.7/email/message.pyR1 | s
c C s t | j t � S( s6 Return True if the message consists of multiple parts.( R R( t list( R. ( ( s% /usr/lib64/python2.7/email/message.pyt is_multipart� s c C s
| | _ d S( N( R' ( R. R0 ( ( s% /usr/lib64/python2.7/email/message.pyt set_unixfrom� s c C s | j S( N( R' ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt get_unixfrom� s c C s2 | j d k r | g | _ n | j j | � d S( s� Add the given payload to the current payload.
The current payload will always be a list of objects after this method
is called. If you want to set the payload to a scalar object, use
set_payload() instead.
N( R( R R ( R. t payload( ( s% /usr/lib64/python2.7/email/message.pyt attach� s c C s9 | d k r | j } n; t | j t � sF t d t | j � � � n
| j | } | r5| j � ri d S| j d d � j � } | d k r� t j
| � S| d k r� y t j | � SWq2t j
k
r� | SXq5| d
k r5t � } y0 t j t | d
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k
r.| SXq5n | S( sZ Return a reference to the payload.
The payload will either be a list object or a string. If you mutate
the list object, you modify the message's payload in place. Optional
i returns that index into the payload.
Optional decode is a flag indicating whether the payload should be
decoded or not, according to the Content-Transfer-Encoding header
(default is False).
When True and the message is not a multipart, the payload will be
decoded if this header's value is `quoted-printable' or `base64'. If
some other encoding is used, or the header is missing, or if the
payload has bogus data (i.e. bogus base64 or uuencoded data), the
payload is returned as-is.
If the message is a multipart and the decode flag is True, then None
is returned.
s Expected list, got %ss content-transfer-encodingt s quoted-printablet base64s
x-uuencodet uuencodet uues x-uues
t quietN( s
x-uuencodeRB RC s x-uue( R R( R R: t TypeErrort typeR; t getR R t _qdecodet _bdecodet binasciit ErrorR t uut decodeR2 R7 ( R. R" RM R> t ctet sfp( ( s% /usr/lib64/python2.7/email/message.pyt get_payload� s0
c C s) | | _ | d k r% | j | � n d S( s� Set the payload to the given value.
Optional charset sets the message's default character set. See
set_charset() for details.
N( R( R t set_charset( R. R> t charset( ( s% /usr/lib64/python2.7/email/message.pyt set_payload� s c C s� | d k r& | j d � d | _ d St | t � rJ t j j | � } n t | t j j � sn t | � � n | | _ d | k r� | j d d � n d | k r� | j d d d | j
� �n | j d | j
� � t | j t
� r| j j | j � | _ n t | � | j
� k r4| j | j � | _ n d | k r�| j � } y | | � Wq�t k
r�| j | j � | _ | j d | � q�Xn d S( s� Set the charset of the payload to a given character set.
charset can be a Charset instance, a string naming a character set, or
None. If it is a string it will be converted to a Charset instance.
If charset is None, the charset parameter will be removed from the
Content-Type field. Anything else will generate a TypeError.
The message will be assumed to be of type text/* encoded with
charset.input_charset. It will be converted to charset.output_charset
and encoded properly, if needed, when generating the plain text
representation of the message. MIME headers (MIME-Version,
Content-Type, Content-Transfer-Encoding) will be added as needed.
RR Ns MIME-Versions 1.0s Content-Types
text/plains Content-Transfer-Encoding( R t del_paramR) R t
basestringt emailRR t CharsetRE t
add_headert get_output_charsett set_paramR( t unicodet encodet output_charsett strt body_encodet get_body_encoding( R. RR RN ( ( s% /usr/lib64/python2.7/email/message.pyRQ � s4
c C s | j S( sK Return the Charset instance associated with the message's payload.
( R) ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt get_charset s c C s
t | j � S( s9 Return the total number of headers, including duplicates.( R R& ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt __len__ s c C s
| j | � S( s- Get a header value.
Return None if the header is missing instead of raising an exception.
Note that if the header appeared multiple times, exactly which
occurrence gets returned is undefined. Use get_all() to get all
the values matching a header field name.
( RG ( R. t name( ( s% /usr/lib64/python2.7/email/message.pyt __getitem__ s c C s | j j | | f � d S( s� Set the value of a header.
Note: this does not overwrite an existing header with the same field
name. Use __delitem__() first to delete any existing headers.
N( R& R ( R. Rc t val( ( s% /usr/lib64/python2.7/email/message.pyt __setitem__( s c C sa | j � } g } x? | j D]4 \ } } | j � | k r | j | | f � q q W| | _ d S( sw Delete all occurrences of a header, if present.
Does not raise an exception if the header is missing.
N( R R& R ( R. Rc t
newheaderst kt v( ( s% /usr/lib64/python2.7/email/message.pyt __delitem__0 s c C s2 | j � g | j D] \ } } | j � ^ q k S( N( R R& ( R. Rc Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt __contains__< s c C s t � } | j | | � | k S( s/ Return true if the message contains the header.( t objectRG ( R. Rc t missing( ( s% /usr/lib64/python2.7/email/message.pyt has_key? s c C s g | j D] \ } } | ^ q
S( s. Return a list of all the message's header field names.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
( R& ( R. Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt keysD s c C s g | j D] \ } } | ^ q
S( s) Return a list of all the message's header values.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
( R& ( R. Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt valuesN s c C s | j S( s' Get all the message's header fields and values.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
( R& ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt itemsX s c C s@ | j � } x- | j D]" \ } } | j � | k r | Sq W| S( s~ Get a header value.
Like __getitem__() but return failobj instead of None when the field
is missing.
( R R& ( R. Rc t failobjRh Ri ( ( s% /usr/lib64/python2.7/email/message.pyRG b s
c C s\ g } | j � } x9 | j D]. \ } } | j � | k r | j | � q q W| sX | S| S( sQ Return a list of all the values for the named field.
These will be sorted in the order they appeared in the original
message, and may contain duplicates. Any fields deleted and
re-inserted are always appended to the header list.
If no such fields exist, failobj is returned (defaults to None).
( R R& R ( R. Rc Rr Rp Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt get_allr s c K s� g } xd | j � D]V \ } } | d k rG | j | j d d � � q | j t | j d d � | � � q W| d k r� | j d | � n | j j | t j | � f � d S( s� Extended header setting.
name is the header field to add. keyword arguments can be used to set
additional parameters for the header field, with underscores converted
to dashes. Normally the parameter will be added as key="value" unless
value is None, in which case only the key will be added. If a
parameter value contains non-ASCII characters it must be specified as a
three-tuple of (charset, language, value), in which case it will be
encoded according to RFC2231 rules.
Example:
msg.add_header('content-disposition', 'attachment', filename='bud.gif')
t _t -i N( Rq R R t replaceR t insertR& t SEMISPACEt join( R. t _namet _valuet _paramst partsRh Ri ( ( s% /usr/lib64/python2.7/email/message.pyRX � s & c C s} | j � } xj t t t | j � � | j � D]; \ } \ } } | j � | k r. | | f | j | <Pq. q. Wt | � � d S( s� Replace a header.
Replace the first matching header found in the message, retaining
header order and case. If no matching header was found, a KeyError is
raised.
N( R t zipt rangeR R& t KeyError( R. Rz R{ R" Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt replace_header� s 4c C sd t � } | j d | � } | | k r1 | j � St | � d j � } | j d � d k r` d S| S( s0 Return the message's content type.
The returned string is coerced to lower case of the form
`maintype/subtype'. If there was no Content-Type header in the
message, the default type as given by get_default_type() will be
returned. Since according to RFC 2045, messages always have a default
type this will always return a value.
RFC 2045 defines a message's default type to be text/plain unless it
appears inside a multipart/digest container, in which case it would be
message/rfc822.
s content-typei t /i s
text/plain( Rl RG t get_default_typeR R R ( R. Rm R t ctype( ( s% /usr/lib64/python2.7/email/message.pyt get_content_type� s
c C s | j � } | j d � d S( s� Return the message's main content type.
This is the `maintype' part of the string returned by
get_content_type().
R� i ( R� t split( R. R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_content_maintype� s c C s | j � } | j d � d S( s� Returns the message's sub-content type.
This is the `subtype' part of the string returned by
get_content_type().
R� i ( R� R� ( R. R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_content_subtype� s c C s | j S( s Return the `default' content type.
Most messages have a default content type of text/plain, except for
messages that are subparts of multipart/digest containers. Such
subparts have a default content type of message/rfc822.
( R- ( R. ( ( s% /usr/lib64/python2.7/email/message.pyR� � s c C s
| | _ d S( s� Set the `default' content type.
ctype should be either "text/plain" or "message/rfc822", although this
is not enforced. The default content type is not stored in the
Content-Type header.
N( R- ( R. R� ( ( s% /usr/lib64/python2.7/email/message.pyt set_default_type� s c C s� t � } | j | | � } | | k r+ | Sg } x� t d | � D]s } y4 | j d d � \ } } | j � } | j � } Wn# t k
r� | j � } d } n X| j | | f � qB Wt j | � } | S( NR R i R@ ( Rl RG R# R� R t
ValueErrorR R t
decode_params( R. Rr t headerRm R t paramst pRc Re ( ( s% /usr/lib64/python2.7/email/message.pyt _get_params_preserve� s
s content-typec C sb t � } | j | | � } | | k r+ | S| rZ g | D] \ } } | t | � f ^ q8 S| Sd S( sm Return the message's Content-Type parameters, as a list.
The elements of the returned list are 2-tuples of key/value pairs, as
split on the `=' sign. The left hand side of the `=' is the key,
while the right hand side is the value. If there is no `=' sign in
the parameter the value is the empty string. The value is as
described in the get_param() method.
Optional failobj is the object to return if there is no Content-Type
header. Optional header is the header to search instead of
Content-Type. If unquote is True, the value is unquoted.
N( Rl R� R% ( R. Rr R� R$ Rm R� Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt
get_params s
)c C sf | | k r | SxO | j | | � D]; \ } } | j � | j � k r# | rW t | � S| Sq# q# W| S( s� Return the parameter value if found in the Content-Type header.
Optional failobj is the object to return if there is no Content-Type
header, or the Content-Type header has no such parameter. Optional
header is the header to search instead of Content-Type.
Parameter keys are always compared case insensitively. The return
value can either be a string, or a 3-tuple if the parameter was RFC
2231 encoded. When it's a 3-tuple, the elements of the value are of
the form (CHARSET, LANGUAGE, VALUE). Note that both CHARSET and
LANGUAGE can be None, in which case you should consider VALUE to be
encoded in the us-ascii charset. You can usually ignore LANGUAGE.
Your application should be prepared to deal with 3-tuple return
values, and can convert the parameter to a Unicode string like so:
param = msg.get_param('foo')
if isinstance(param, tuple):
param = unicode(param[2], param[0] or 'us-ascii')
In any case, the parameter value (either the returned string, or the
VALUE item in the 3-tuple) is always unquoted, unless unquote is set
to False.
( R� R R% ( R. R Rr R� R$ Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt get_param s
s Content-TypeR@ c C sw t | t � r( | r( | | | f } n | | k rO | j � d k rO d } n | j | � } | j | d | �s� | s� t | | | � } qJt j | t | | | � g � } n� d } x� | j d | d | � D]u \ } } d }
| j � | j � k rt | | | � }
n t | | | � }
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} q� t j | |
g � } q� W| | j | � k rs| | =| | | <n d S( s� Set a parameter in the Content-Type header.
If the parameter already exists in the header, its value will be
replaced with the new value.
If header is Content-Type and has not yet been defined for this
message, it will be set to "text/plain" and the new parameter and
value will be appended as per RFC 2045.
An alternate header can be specified in the header argument, and all
parameters will be quoted as necessary unless requote is False.
If charset is specified, the parameter will be encoded according to RFC
2231. Optional language specifies the RFC 2231 language, defaulting
to the empty string. Both charset and language should be strings.
s content-types
text/plainR� R@ R$ N( R R R RG R� R Rx Ry R� ( R. R R R� t requoteRR t languageR� t old_paramt old_valuet append_param( ( s% /usr/lib64/python2.7/email/message.pyRZ ; s. c C s� | | k r d Sd } x} | j d | d | � D]c \ } } | j � | j � k r/ | sn t | | | � } q� t j | t | | | � g � } q/ q/ W| | j | � k r� | | =| | | <n d S( s> Remove the given parameter completely from the Content-Type header.
The header will be re-written in place without the parameter or its
value. All values will be quoted as necessary unless requote is
False. Optional header specifies an alternative to the Content-Type
header.
NR@ R� R$ ( R� R R Rx Ry RG ( R. R R� R� t new_ctypeR� Ri ( ( s% /usr/lib64/python2.7/email/message.pyRT k s % c C s� | j d � d k s t � n | j � d k rD | d =d | d <n | | k r^ | | | <d S| j d | d | � } | | =| | | <x. | d D]" \ } } | j | | | | � q� Wd S(
sK Set the main type and subtype for the Content-Type header.
type must be a string in the form "maintype/subtype", otherwise a
ValueError is raised.
This method replaces the Content-Type header, keeping all the
parameters in place. If requote is False, this leaves the existing
header's quoting as is. Otherwise, the parameters will be quoted (the
default).
An alternative header can be specified in the header argument. When
the Content-Type header is set, we'll always also add a MIME-Version
header.
R� i s content-types mime-versions 1.0s MIME-VersionNR� R$ ( R R� R R� RZ ( R. RF R� R� R� R� Ri ( ( s% /usr/lib64/python2.7/email/message.pyt set_type� s
c C se t � } | j d | d � } | | k rB | j d | d � } n | | k rR | St j | � j � S( s@ Return the filename associated with the payload if present.
The filename is extracted from the Content-Disposition header's
`filename' parameter, and it is unquoted. If that header is missing
the `filename' parameter, this method falls back to looking for the
`name' parameter.
t filenames content-dispositionRc s content-type( Rl R� R t collapse_rfc2231_valueR ( R. Rr Rm R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_filename� s c C s> t � } | j d | � } | | k r+ | St j | � j � S( s� Return the boundary associated with the payload if present.
The boundary is extracted from the Content-Type header's `boundary'
parameter, and it is unquoted.
t boundary( Rl R� R R� t rstrip( R. Rr Rm R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_boundary� s
c
C s� t � } | j | d � } | | k r9 t j d � � n g } t } xY | D]Q \ } } | j � d k r� | j d d | f � t } qL | j | | f � qL W| s� | j d d | f � n g } x� | j D]� \ } }
| j � d k r^g } xG | D]? \ } }
|
d k r$| j | � q� | j d | |
f � q� W| j | t j
| � f � q� | j | |
f � q� W| | _ d S( s� Set the boundary parameter in Content-Type to 'boundary'.
This is subtly different than deleting the Content-Type header and
adding a new one with a new boundary parameter via add_header(). The
main difference is that using the set_boundary() method preserves the
order of the Content-Type header in the original message.
HeaderParseError is raised if the message has no Content-Type header.
s content-types No Content-Type header foundR� s "%s"R@ s %s=%sN( Rl R� R t HeaderParseErrort FalseR R R2 R& Rx Ry (
R. R� Rm R� t newparamst foundpt pkt pvRg t hRi R} Rh ( ( s% /usr/lib64/python2.7/email/message.pyt set_boundary� s0
c C s� t � } | j d | � } | | k r+ | St | t � r� | d pG d } y t | d | � j d � } Wq� t t f k
r� | d } q� Xn y4 t | t � r� t | d � } n | j d � } Wn t k
r� | SX| j � S( s� Return the charset parameter of the Content-Type header.
The returned string is always coerced to lower case. If there is no
Content-Type header, or if that header has no charset parameter,
failobj is returned.
RR i s us-asciii (
Rl R� R R R[ R\ t LookupErrort UnicodeErrorR^ R ( R. Rr Rm RR t pcharset( ( s% /usr/lib64/python2.7/email/message.pyt get_content_charset� s"
c C s& g | j � D] } | j | � ^ q
S( s� Return a list containing the charset(s) used in this message.
The returned list of items describes the Content-Type headers'
charset parameter for this message and all the subparts in its
payload.
Each item will either be a string (the value of the charset parameter
in the Content-Type header of that part) or the value of the
'failobj' parameter (defaults to None), if the part does not have a
main MIME type of "text", or the charset is not defined.
The list will contain one string for each part of the message, plus
one for the container message (i.e. self), so that a non-multipart
message will still return a list of length 1.
( t walkR� ( R. Rr t part( ( s% /usr/lib64/python2.7/email/message.pyt get_charsets
s i����( R� N(0 t __name__t
__module__t __doc__R/ R3 R� R1 R; R< R= R? R RP RS RQ Ra Rb Rd Rf Rj Rk Rn Ro Rp Rq RG Rs RX R� R� R� R� R� R� R� R2 R� R� RZ RT R� R� R� R� R� R� t email.iteratorsR� ( ( ( s% /usr/lib64/python2.7/email/message.pyR \ sX 2
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Optional timeval if given is a floating point time value as accepted by
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Optional localtime is a flag that when True, interprets timeval, and
returns a date relative to the local timezone instead of UTC, properly
taking daylight savings time into account.
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is needed for HTTP, and is only used when localtime==False.
i����i i t -t +s
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Optional idstring if given is a string used to strengthen the
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# Contact: email-sig@python.org
"""Classes to generate plain text from a message object tree."""
__all__ = ['Generator', 'DecodedGenerator']
import re
import sys
import time
import random
import warnings
from cStringIO import StringIO
from email.header import Header
UNDERSCORE = '_'
NL = '\n'
fcre = re.compile(r'^From ', re.MULTILINE)
def _is8bitstring(s):
if isinstance(s, str):
try:
unicode(s, 'us-ascii')
except UnicodeError:
return True
return False
class Generator:
"""Generates output from a Message object tree.
This basic generator writes the message to the given file object as plain
text.
"""
#
# Public interface
#
def __init__(self, outfp, mangle_from_=True, maxheaderlen=78):
"""Create the generator for message flattening.
outfp is the output file-like object for writing the message to. It
must have a write() method.
Optional mangle_from_ is a flag that, when True (the default), escapes
From_ lines in the body of the message by putting a `>' in front of
them.
Optional maxheaderlen specifies the longest length for a non-continued
header. When a header line is longer (in characters, with tabs
expanded to 8 spaces) than maxheaderlen, the header will split as
defined in the Header class. Set maxheaderlen to zero to disable
header wrapping. The default is 78, as recommended (but not required)
by RFC 2822.
"""
self._fp = outfp
self._mangle_from_ = mangle_from_
self._maxheaderlen = maxheaderlen
def write(self, s):
# Just delegate to the file object
self._fp.write(s)
def flatten(self, msg, unixfrom=False):
"""Print the message object tree rooted at msg to the output file
specified when the Generator instance was created.
unixfrom is a flag that forces the printing of a Unix From_ delimiter
before the first object in the message tree. If the original message
has no From_ delimiter, a `standard' one is crafted. By default, this
is False to inhibit the printing of any From_ delimiter.
Note that for subobjects, no From_ line is printed.
"""
if unixfrom:
ufrom = msg.get_unixfrom()
if not ufrom:
ufrom = 'From nobody ' + time.ctime(time.time())
print >> self._fp, ufrom
self._write(msg)
def clone(self, fp):
"""Clone this generator with the exact same options."""
return self.__class__(fp, self._mangle_from_, self._maxheaderlen)
#
# Protected interface - undocumented ;/
#
def _write(self, msg):
# We can't write the headers yet because of the following scenario:
# say a multipart message includes the boundary string somewhere in
# its body. We'd have to calculate the new boundary /before/ we write
# the headers so that we can write the correct Content-Type:
# parameter.
#
# The way we do this, so as to make the _handle_*() methods simpler,
# is to cache any subpart writes into a StringIO. The we write the
# headers and the StringIO contents. That way, subpart handlers can
# Do The Right Thing, and can still modify the Content-Type: header if
# necessary.
oldfp = self._fp
try:
self._fp = sfp = StringIO()
self._dispatch(msg)
finally:
self._fp = oldfp
# Write the headers. First we see if the message object wants to
# handle that itself. If not, we'll do it generically.
meth = getattr(msg, '_write_headers', None)
if meth is None:
self._write_headers(msg)
else:
meth(self)
self._fp.write(sfp.getvalue())
def _dispatch(self, msg):
# Get the Content-Type: for the message, then try to dispatch to
# self._handle_<maintype>_<subtype>(). If there's no handler for the
# full MIME type, then dispatch to self._handle_<maintype>(). If
# that's missing too, then dispatch to self._writeBody().
main = msg.get_content_maintype()
sub = msg.get_content_subtype()
specific = UNDERSCORE.join((main, sub)).replace('-', '_')
meth = getattr(self, '_handle_' + specific, None)
if meth is None:
generic = main.replace('-', '_')
meth = getattr(self, '_handle_' + generic, None)
if meth is None:
meth = self._writeBody
meth(msg)
#
# Default handlers
#
def _write_headers(self, msg):
for h, v in msg.items():
print >> self._fp, '%s:' % h,
if self._maxheaderlen == 0:
# Explicit no-wrapping
print >> self._fp, v
elif isinstance(v, Header):
# Header instances know what to do
print >> self._fp, v.encode()
elif _is8bitstring(v):
# If we have raw 8bit data in a byte string, we have no idea
# what the encoding is. There is no safe way to split this
# string. If it's ascii-subset, then we could do a normal
# ascii split, but if it's multibyte then we could break the
# string. There's no way to know so the least harm seems to
# be to not split the string and risk it being too long.
print >> self._fp, v
else:
# Header's got lots of smarts, so use it. Note that this is
# fundamentally broken though because we lose idempotency when
# the header string is continued with tabs. It will now be
# continued with spaces. This was reversedly broken before we
# fixed bug 1974. Either way, we lose.
print >> self._fp, Header(
v, maxlinelen=self._maxheaderlen, header_name=h).encode()
# A blank line always separates headers from body
print >> self._fp
#
# Handlers for writing types and subtypes
#
def _handle_text(self, msg):
payload = msg.get_payload()
if payload is None:
return
if not isinstance(payload, basestring):
raise TypeError('string payload expected: %s' % type(payload))
if self._mangle_from_:
payload = fcre.sub('>From ', payload)
self._fp.write(payload)
# Default body handler
_writeBody = _handle_text
def _handle_multipart(self, msg):
# The trick here is to write out each part separately, merge them all
# together, and then make sure that the boundary we've chosen isn't
# present in the payload.
msgtexts = []
subparts = msg.get_payload()
if subparts is None:
subparts = []
elif isinstance(subparts, basestring):
# e.g. a non-strict parse of a message with no starting boundary.
self._fp.write(subparts)
return
elif not isinstance(subparts, list):
# Scalar payload
subparts = [subparts]
for part in subparts:
s = StringIO()
g = self.clone(s)
g.flatten(part, unixfrom=False)
msgtexts.append(s.getvalue())
# BAW: What about boundaries that are wrapped in double-quotes?
boundary = msg.get_boundary()
if not boundary:
# Create a boundary that doesn't appear in any of the
# message texts.
alltext = NL.join(msgtexts)
boundary = _make_boundary(alltext)
msg.set_boundary(boundary)
# If there's a preamble, write it out, with a trailing CRLF
if msg.preamble is not None:
if self._mangle_from_:
preamble = fcre.sub('>From ', msg.preamble)
else:
preamble = msg.preamble
print >> self._fp, preamble
# dash-boundary transport-padding CRLF
print >> self._fp, '--' + boundary
# body-part
if msgtexts:
self._fp.write(msgtexts.pop(0))
# *encapsulation
# --> delimiter transport-padding
# --> CRLF body-part
for body_part in msgtexts:
# delimiter transport-padding CRLF
print >> self._fp, '\n--' + boundary
# body-part
self._fp.write(body_part)
# close-delimiter transport-padding
self._fp.write('\n--' + boundary + '--' + NL)
if msg.epilogue is not None:
if self._mangle_from_:
epilogue = fcre.sub('>From ', msg.epilogue)
else:
epilogue = msg.epilogue
self._fp.write(epilogue)
def _handle_multipart_signed(self, msg):
# The contents of signed parts has to stay unmodified in order to keep
# the signature intact per RFC1847 2.1, so we disable header wrapping.
# RDM: This isn't enough to completely preserve the part, but it helps.
old_maxheaderlen = self._maxheaderlen
try:
self._maxheaderlen = 0
self._handle_multipart(msg)
finally:
self._maxheaderlen = old_maxheaderlen
def _handle_message_delivery_status(self, msg):
# We can't just write the headers directly to self's file object
# because this will leave an extra newline between the last header
# block and the boundary. Sigh.
blocks = []
for part in msg.get_payload():
s = StringIO()
g = self.clone(s)
g.flatten(part, unixfrom=False)
text = s.getvalue()
lines = text.split('\n')
# Strip off the unnecessary trailing empty line
if lines and lines[-1] == '':
blocks.append(NL.join(lines[:-1]))
else:
blocks.append(text)
# Now join all the blocks with an empty line. This has the lovely
# effect of separating each block with an empty line, but not adding
# an extra one after the last one.
self._fp.write(NL.join(blocks))
def _handle_message(self, msg):
s = StringIO()
g = self.clone(s)
# The payload of a message/rfc822 part should be a multipart sequence
# of length 1. The zeroth element of the list should be the Message
# object for the subpart. Extract that object, stringify it, and
# write it out.
# Except, it turns out, when it's a string instead, which happens when
# and only when HeaderParser is used on a message of mime type
# message/rfc822. Such messages are generated by, for example,
# Groupwise when forwarding unadorned messages. (Issue 7970.) So
# in that case we just emit the string body.
payload = msg.get_payload()
if isinstance(payload, list):
g.flatten(msg.get_payload(0), unixfrom=False)
payload = s.getvalue()
self._fp.write(payload)
_FMT = '[Non-text (%(type)s) part of message omitted, filename %(filename)s]'
class DecodedGenerator(Generator):
"""Generates a text representation of a message.
Like the Generator base class, except that non-text parts are substituted
with a format string representing the part.
"""
def __init__(self, outfp, mangle_from_=True, maxheaderlen=78, fmt=None):
"""Like Generator.__init__() except that an additional optional
argument is allowed.
Walks through all subparts of a message. If the subpart is of main
type `text', then it prints the decoded payload of the subpart.
Otherwise, fmt is a format string that is used instead of the message
payload. fmt is expanded with the following keywords (in
%(keyword)s format):
type : Full MIME type of the non-text part
maintype : Main MIME type of the non-text part
subtype : Sub-MIME type of the non-text part
filename : Filename of the non-text part
description: Description associated with the non-text part
encoding : Content transfer encoding of the non-text part
The default value for fmt is None, meaning
[Non-text (%(type)s) part of message omitted, filename %(filename)s]
"""
Generator.__init__(self, outfp, mangle_from_, maxheaderlen)
if fmt is None:
self._fmt = _FMT
else:
self._fmt = fmt
def _dispatch(self, msg):
for part in msg.walk():
maintype = part.get_content_maintype()
if maintype == 'text':
print >> self, part.get_payload(decode=True)
elif maintype == 'multipart':
# Just skip this
pass
else:
print >> self, self._fmt % {
'type' : part.get_content_type(),
'maintype' : part.get_content_maintype(),
'subtype' : part.get_content_subtype(),
'filename' : part.get_filename('[no filename]'),
'description': part.get('Content-Description',
'[no description]'),
'encoding' : part.get('Content-Transfer-Encoding',
'[no encoding]'),
}
# Helper
_width = len(repr(sys.maxint-1))
_fmt = '%%0%dd' % _width
def _make_boundary(text=None):
# Craft a random boundary. If text is given, ensure that the chosen
# boundary doesn't appear in the text.
token = random.randrange(sys.maxint)
boundary = ('=' * 15) + (_fmt % token) + '=='
if text is None:
return boundary
b = boundary
counter = 0
while True:
cre = re.compile('^--' + re.escape(b) + '(--)?$', re.MULTILINE)
if not cre.search(text):
break
b = boundary + '.' + str(counter)
counter += 1
return b
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parser. It returns when there's nothing more it can do with the available
data. When you have no more data to push into the parser, call .close().
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# Author: Barry Warsaw
# Contact: email-sig@python.org
"""A package for parsing, handling, and generating email messages."""
__version__ = '4.0.3'
__all__ = [
# Old names
'base64MIME',
'Charset',
'Encoders',
'Errors',
'Generator',
'Header',
'Iterators',
'Message',
'MIMEAudio',
'MIMEBase',
'MIMEImage',
'MIMEMessage',
'MIMEMultipart',
'MIMENonMultipart',
'MIMEText',
'Parser',
'quopriMIME',
'Utils',
'message_from_string',
'message_from_file',
# new names
'base64mime',
'charset',
'encoders',
'errors',
'generator',
'header',
'iterators',
'message',
'mime',
'parser',
'quoprimime',
'utils',
]
# Some convenience routines. Don't import Parser and Message as side-effects
# of importing email since those cascadingly import most of the rest of the
# email package.
def message_from_string(s, *args, **kws):
"""Parse a string into a Message object model.
Optional _class and strict are passed to the Parser constructor.
"""
from email.parser import Parser
return Parser(*args, **kws).parsestr(s)
def message_from_file(fp, *args, **kws):
"""Read a file and parse its contents into a Message object model.
Optional _class and strict are passed to the Parser constructor.
"""
from email.parser import Parser
return Parser(*args, **kws).parse(fp)
# Lazy loading to provide name mapping from new-style names (PEP 8 compatible
# email 4.0 module names), to old-style names (email 3.0 module names).
import sys
class LazyImporter(object):
def __init__(self, module_name):
self.__name__ = 'email.' + module_name
def __getattr__(self, name):
__import__(self.__name__)
mod = sys.modules[self.__name__]
self.__dict__.update(mod.__dict__)
return getattr(mod, name)
_LOWERNAMES = [
# email.<old name> -> email.<new name is lowercased old name>
'Charset',
'Encoders',
'Errors',
'FeedParser',
'Generator',
'Header',
'Iterators',
'Message',
'Parser',
'Utils',
'base64MIME',
'quopriMIME',
]
_MIMENAMES = [
# email.MIME<old name> -> email.mime.<new name is lowercased old name>
'Audio',
'Base',
'Image',
'Message',
'Multipart',
'NonMultipart',
'Text',
]
for _name in _LOWERNAMES:
importer = LazyImporter(_name.lower())
sys.modules['email.' + _name] = importer
setattr(sys.modules['email'], _name, importer)
import email.mime
for _name in _MIMENAMES:
importer = LazyImporter('mime.' + _name.lower())
sys.modules['email.MIME' + _name] = importer
setattr(sys.modules['email'], 'MIME' + _name, importer)
setattr(sys.modules['email.mime'], _name, importer)
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d d d d g | d | d d d d d d d d d d d d d g | d d | d | d! | d" | d# | f S(% s� Returns a date string as specified by RFC 2822, e.g.:
Fri, 09 Nov 2001 01:08:47 -0000
Optional timeval if given is a floating point time value as accepted by
gmtime() and localtime(), otherwise the current time is used.
Optional localtime is a flag that when True, interprets timeval, and
returns a date relative to the local timezone instead of UTC, properly
taking daylight savings time into account.
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an ascii string, not numeric one (so "GMT" instead of "+0000"). This
is needed for HTTP, and is only used when localtime==False.
i����i i t -t +s
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<142480216486.20800.16526388040877946887@nightshade.la.mastaler.com>
Optional idstring if given is a string used to strengthen the
uniqueness of the message id.
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Parse addr into its constituent realname and email address parts.
Return a tuple of realname and email address, unless the parse fails, in
which case return a 2-tuple of ('', '').
R i ( R R ( R& R' ( t addrt addrs( ( s# /usr/lib64/python2.7/email/utils.pyR � s c C s� t | � d k r | j d � rS | j d � rS | d d !j d d � j d d � S| j d � r | j d � r | d d !Sn | S( s Remove quotes from a string.i R i����s \\s \s \"t <t >( t lent
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c C sc d d l } | j | d d �} | d k r= | d k r= | S| d k rR d } n d | | | f S( s� Encode string according to RFC 2231.
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string for language.
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base64mime.pynu �[��� # Copyright (C) 2002-2006 Python Software Foundation
# Author: Ben Gertzfield
# Contact: email-sig@python.org
"""Base64 content transfer encoding per RFCs 2045-2047.
This module handles the content transfer encoding method defined in RFC 2045
to encode arbitrary 8-bit data using the three 8-bit bytes in four 7-bit
characters encoding known as Base64.
It is used in the MIME standards for email to attach images, audio, and text
using some 8-bit character sets to messages.
This module provides an interface to encode and decode both headers and bodies
with Base64 encoding.
RFC 2045 defines a method for including character set information in an
`encoded-word' in a header. This method is commonly used for 8-bit real names
in To:, From:, Cc:, etc. fields, as well as Subject: lines.
This module does not do the line wrapping or end-of-line character conversion
necessary for proper internationalized headers; it only does dumb encoding and
decoding. To deal with the various line wrapping issues, use the email.header
module.
"""
__all__ = [
'base64_len',
'body_decode',
'body_encode',
'decode',
'decodestring',
'encode',
'encodestring',
'header_encode',
]
from binascii import b2a_base64, a2b_base64
from email.utils import fix_eols
CRLF = '\r\n'
NL = '\n'
EMPTYSTRING = ''
# See also Charset.py
MISC_LEN = 7
# Helpers
def base64_len(s):
"""Return the length of s when it is encoded with base64."""
groups_of_3, leftover = divmod(len(s), 3)
# 4 bytes out for each 3 bytes (or nonzero fraction thereof) in.
# Thanks, Tim!
n = groups_of_3 * 4
if leftover:
n += 4
return n
def header_encode(header, charset='iso-8859-1', keep_eols=False,
maxlinelen=76, eol=NL):
"""Encode a single header line with Base64 encoding in a given charset.
Defined in RFC 2045, this Base64 encoding is identical to normal Base64
encoding, except that each line must be intelligently wrapped (respecting
the Base64 encoding), and subsequent lines must start with a space.
charset names the character set to use to encode the header. It defaults
to iso-8859-1.
End-of-line characters (\\r, \\n, \\r\\n) will be automatically converted
to the canonical email line separator \\r\\n unless the keep_eols
parameter is True (the default is False).
Each line of the header will be terminated in the value of eol, which
defaults to "\\n". Set this to "\\r\\n" if you are using the result of
this function directly in email.
The resulting string will be in the form:
"=?charset?b?WW/5ciBtYXp66XLrIHf8eiBhIGhhbXBzdGHuciBBIFlv+XIgbWF6euly?=\\n
=?charset?b?6yB3/HogYSBoYW1wc3Rh7nIgQkMgWW/5ciBtYXp66XLrIHf8eiBhIGhh?="
with each line wrapped at, at most, maxlinelen characters (defaults to 76
characters).
"""
# Return empty headers unchanged
if not header:
return header
if not keep_eols:
header = fix_eols(header)
# Base64 encode each line, in encoded chunks no greater than maxlinelen in
# length, after the RFC chrome is added in.
base64ed = []
max_encoded = maxlinelen - len(charset) - MISC_LEN
max_unencoded = max_encoded * 3 // 4
for i in range(0, len(header), max_unencoded):
base64ed.append(b2a_base64(header[i:i+max_unencoded]))
# Now add the RFC chrome to each encoded chunk
lines = []
for line in base64ed:
# Ignore the last character of each line if it is a newline
if line.endswith(NL):
line = line[:-1]
# Add the chrome
lines.append('=?%s?b?%s?=' % (charset, line))
# Glue the lines together and return it. BAW: should we be able to
# specify the leading whitespace in the joiner?
joiner = eol + ' '
return joiner.join(lines)
def encode(s, binary=True, maxlinelen=76, eol=NL):
"""Encode a string with base64.
Each line will be wrapped at, at most, maxlinelen characters (defaults to
76 characters).
If binary is False, end-of-line characters will be converted to the
canonical email end-of-line sequence \\r\\n. Otherwise they will be left
verbatim (this is the default).
Each line of encoded text will end with eol, which defaults to "\\n". Set
this to "\\r\\n" if you will be using the result of this function directly
in an email.
"""
if not s:
return s
if not binary:
s = fix_eols(s)
encvec = []
max_unencoded = maxlinelen * 3 // 4
for i in range(0, len(s), max_unencoded):
# BAW: should encode() inherit b2a_base64()'s dubious behavior in
# adding a newline to the encoded string?
enc = b2a_base64(s[i:i + max_unencoded])
if enc.endswith(NL) and eol != NL:
enc = enc[:-1] + eol
encvec.append(enc)
return EMPTYSTRING.join(encvec)
# For convenience and backwards compatibility w/ standard base64 module
body_encode = encode
encodestring = encode
def decode(s, convert_eols=None):
"""Decode a raw base64 string.
If convert_eols is set to a string value, all canonical email linefeeds,
e.g. "\\r\\n", in the decoded text will be converted to the value of
convert_eols. os.linesep is a good choice for convert_eols if you are
decoding a text attachment.
This function does not parse a full MIME header value encoded with
base64 (like =?iso-8859-1?b?bmloISBuaWgh?=) -- please use the high
level email.header class for that functionality.
"""
if not s:
return s
dec = a2b_base64(s)
if convert_eols:
return dec.replace(CRLF, convert_eols)
return dec
# For convenience and backwards compatibility w/ standard base64 module
body_decode = decode
decodestring = decode
PK f�\�x�� � base64mime.pycnu �[��� �
{ fc @ s� d Z d d d d d d d d g Z d d
l m Z m Z d d l m Z d Z d
Z d Z d Z
d � Z d e d e d � Z
e d e d � Z e Z e Z d d � Z e Z e Z d S( s� Base64 content transfer encoding per RFCs 2045-2047.
This module handles the content transfer encoding method defined in RFC 2045
to encode arbitrary 8-bit data using the three 8-bit bytes in four 7-bit
characters encoding known as Base64.
It is used in the MIME standards for email to attach images, audio, and text
using some 8-bit character sets to messages.
This module provides an interface to encode and decode both headers and bodies
with Base64 encoding.
RFC 2045 defines a method for including character set information in an
`encoded-word' in a header. This method is commonly used for 8-bit real names
in To:, From:, Cc:, etc. fields, as well as Subject: lines.
This module does not do the line wrapping or end-of-line character conversion
necessary for proper internationalized headers; it only does dumb encoding and
decoding. To deal with the various line wrapping issues, use the email.header
module.
t
base64_lent body_decodet body_encodet decodet decodestringt encodet encodestringt
header_encodei����( t
b2a_base64t
a2b_base64( t fix_eolss
s
t i c C s< t t | � d � \ } } | d } | r8 | d 7} n | S( s6 Return the length of s when it is encoded with base64.i i ( t divmodt len( t st groups_of_3t leftovert n( ( s( /usr/lib64/python2.7/email/base64mime.pyR 4 s
s
iso-8859-1iL c C s� | s
| S| s t | � } n g } | t | � t } | d d } x> t d t | � | � D]$ } | j t | | | | !� � q` Wg } xA | D]9 }
|
j t � r� |
d }
n | j d | |
f � q� W| d } | j | � S( s0 Encode a single header line with Base64 encoding in a given charset.
Defined in RFC 2045, this Base64 encoding is identical to normal Base64
encoding, except that each line must be intelligently wrapped (respecting
the Base64 encoding), and subsequent lines must start with a space.
charset names the character set to use to encode the header. It defaults
to iso-8859-1.
End-of-line characters (\r, \n, \r\n) will be automatically converted
to the canonical email line separator \r\n unless the keep_eols
parameter is True (the default is False).
Each line of the header will be terminated in the value of eol, which
defaults to "\n". Set this to "\r\n" if you are using the result of
this function directly in email.
The resulting string will be in the form:
"=?charset?b?WW/5ciBtYXp66XLrIHf8eiBhIGhhbXBzdGHuciBBIFlv+XIgbWF6euly?=\n
=?charset?b?6yB3/HogYSBoYW1wc3Rh7nIgQkMgWW/5ciBtYXp66XLrIHf8eiBhIGhh?="
with each line wrapped at, at most, maxlinelen characters (defaults to 76
characters).
i i i i����s =?%s?b?%s?=t ( R
R
t MISC_LENt ranget appendR t endswitht NLt join( t headert charsett keep_eolst
maxlinelent eolt base64edt max_encodedt
max_unencodedt it linest linet joiner( ( s( /usr/lib64/python2.7/email/base64mime.pyR @ s "
c C s� | s
| S| s t | � } n g } | d d } xp t d t | � | � D]V } t | | | | !� } | j t � r� | t k r� | d | } n | j | � qL Wt j | � S( s� Encode a string with base64.
Each line will be wrapped at, at most, maxlinelen characters (defaults to
76 characters).
If binary is False, end-of-line characters will be converted to the
canonical email end-of-line sequence \r\n. Otherwise they will be left
verbatim (this is the default).
Each line of encoded text will end with eol, which defaults to "\n". Set
this to "\r\n" if you will be using the result of this function directly
in an email.
i i i i����( R
R R
R R R R t EMPTYSTRINGR ( R t binaryR R t encvecR R! t enc( ( s( /usr/lib64/python2.7/email/base64mime.pyR z s c C s0 | s
| St | � } | r, | j t | � S| S( s� Decode a raw base64 string.
If convert_eols is set to a string value, all canonical email linefeeds,
e.g. "\r\n", in the decoded text will be converted to the value of
convert_eols. os.linesep is a good choice for convert_eols if you are
decoding a text attachment.
This function does not parse a full MIME header value encoded with
base64 (like =?iso-8859-1?b?bmloISBuaWgh?=) -- please use the high
level email.header class for that functionality.
( R t replacet CRLF( R t convert_eolst dec( ( s( /usr/lib64/python2.7/email/base64mime.pyR � s N( t __doc__t __all__t binasciiR R t email.utilsR
R* R R% R R t FalseR t TrueR R R t NoneR R R ( ( ( s( /usr/lib64/python2.7/email/base64mime.pyt <module> s. 9! PK f�\�U��4 �4 charset.pyonu �[��� �
{ fc @ s� d d d d g Z d d l Z d d l Z d d l Z d d l m Z d d l m Z d Z d Z d
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6e e d f d 6e e d f d 6e e d f d 6e e d f d 6e e d f d 6e e d f d 6e e d f d 6e e d f d 6e e d f d 6e e d f d 6e e d f d 6dA d 6e e d f d 6e e d f d 6e d d f d 6e d d f d 6e d d f d 6e e d f d 6e
e d f d 6d e d f d 6Z i d
d! 6d
d" 6d d# 6d d$ 6d d% 6d d& 6d d' 6d d( 6d d) 6d d* 6d d+ 6d d, 6d d- 6d d. 6d d/ 6d d0 6d d1 6d d2 6d d3 6d d4 6d5 d6 6d d7 6d8 d9 6d d: 6Z i d; d 6d< d 6d d 6Z d d d d= � Z d> � Z d? � Z d dB d@ � � YZ d S(C t Charsett add_aliast add_charsett add_codeci����N( t errors( t encode_7or8biti i i i s us-asciis
iso-8859-1s
iso-8859-2s
iso-8859-3s
iso-8859-4s
iso-8859-9s iso-8859-10s iso-8859-13s iso-8859-14s iso-8859-15s iso-8859-16s windows-1252t visciit big5t gb2312s iso-2022-jps euc-jpt shift_jiss koi8-rs utf-8t 8bitt latin_1s latin-1t latin_2s latin-2t latin_3s latin-3t latin_4s latin-4t latin_5s latin-5t latin_6s latin-6t latin_7s latin-7t latin_8s latin-8t latin_9s latin-9t latin_10s latin-10s ks_c_5601-1987t cp949t euc_jps euc-krt euc_krt asciit eucgb2312_cnt big5_twc C s2 | t k r t d � � n | | | f t | <d S( s> Add character set properties to the global registry.
charset is the input character set, and must be the canonical name of a
character set.
Optional header_enc and body_enc is either Charset.QP for
quoted-printable, Charset.BASE64 for base64 encoding, Charset.SHORTEST for
the shortest of qp or base64 encoding, or None for no encoding. SHORTEST
is only valid for header_enc. It describes how message headers and
message bodies in the input charset are to be encoded. Default is no
encoding.
Optional output_charset is the character set that the output should be
in. Conversions will proceed from input charset, to Unicode, to the
output charset when the method Charset.convert() is called. The default
is to output in the same character set as the input.
Both input_charset and output_charset must have Unicode codec entries in
the module's charset-to-codec mapping; use add_codec(charset, codecname)
to add codecs the module does not know about. See the codecs module's
documentation for more information.
s! SHORTEST not allowed for body_encN( t SHORTESTt
ValueErrort CHARSETS( t charsett
header_enct body_enct output_charset( ( s% /usr/lib64/python2.7/email/charset.pyR l s c C s | t | <d S( s� Add a character set alias.
alias is the alias name, e.g. latin-1
canonical is the character set's canonical name, e.g. iso-8859-1
N( t ALIASES( t aliast canonical( ( s% /usr/lib64/python2.7/email/charset.pyR � s c C s | t | <d S( s$ Add a codec that map characters in the given charset to/from Unicode.
charset is the canonical name of a character set. codecname is the name
of a Python codec, as appropriate for the second argument to the unicode()
built-in, or to the encode() method of a Unicode string.
N( t CODEC_MAP( R t codecname( ( s% /usr/lib64/python2.7/email/charset.pyR � s c B s� e Z d Z e d � Z d � Z e Z d � Z d � Z d � Z d � Z
d � Z e d � Z
d � Z d
� Z e d � Z e d � Z RS(
s@ Map character sets to their email properties.
This class provides information about the requirements imposed on email
for a specific character set. It also provides convenience routines for
converting between character sets, given the availability of the
applicable codecs. Given a character set, it will do its best to provide
information on how to use that character set in an email in an
RFC-compliant way.
Certain character sets must be encoded with quoted-printable or base64
when used in email headers or bodies. Certain character sets must be
converted outright, and are not allowed in email. Instances of this
module expose the following information about a character set:
input_charset: The initial character set specified. Common aliases
are converted to their `official' email names (e.g. latin_1
is converted to iso-8859-1). Defaults to 7-bit us-ascii.
header_encoding: If the character set must be encoded before it can be
used in an email header, this attribute will be set to
Charset.QP (for quoted-printable), Charset.BASE64 (for
base64 encoding), or Charset.SHORTEST for the shortest of
QP or BASE64 encoding. Otherwise, it will be None.
body_encoding: Same as header_encoding, but describes the encoding for the
mail message's body, which indeed may be different than the
header encoding. Charset.SHORTEST is not allowed for
body_encoding.
output_charset: Some character sets must be converted before they can be
used in email headers or bodies. If the input_charset is
one of them, this attribute will contain the name of the
charset output will be converted to. Otherwise, it will
be None.
input_codec: The name of the Python codec used to convert the
input_charset to Unicode. If no conversion codec is
necessary, this attribute will be None.
output_codec: The name of the Python codec used to convert Unicode
to the output_charset. If no conversion codec is necessary,
this attribute will have the same value as the input_codec.
c C s^ y2 t | t � r" | j d � n t | d � } Wn t k
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| j t t d f � \ } } } | s� | j } n | | _ | | _ t j
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| j | j � | _ d S( NR ( t
isinstancet unicodet encodet UnicodeErrorR t CharsetErrort lowerR" R t codecst lookupt namet LookupErrort gett
input_charsetR t BASE64t Nonet header_encodingt
body_encodingR! R% t input_codect output_codec( t selfR2 t henct benct conv( ( s% /usr/lib64/python2.7/email/charset.pyt __init__� s0
c C s
| j j � S( N( R2 R, ( R9 ( ( s% /usr/lib64/python2.7/email/charset.pyt __str__� s c C s t | � t | � j � k S( N( t strR, ( R9 t other( ( s% /usr/lib64/python2.7/email/charset.pyt __eq__� s c C s | j | � S( N( RA ( R9 R@ ( ( s% /usr/lib64/python2.7/email/charset.pyt __ne__� s c C s. | j t k r d S| j t k r& d St Sd S( sC Return the content-transfer-encoding used for body encoding.
This is either the string `quoted-printable' or `base64' depending on
the encoding used, or it is a function in which case you should call
the function with a single argument, the Message object being
encoded. The function should then set the Content-Transfer-Encoding
header itself to whatever is appropriate.
Returns "quoted-printable" if self.body_encoding is QP.
Returns "base64" if self.body_encoding is BASE64.
Returns "7bit" otherwise.
s quoted-printablet base64N( R6 t QPR3 R ( R9 ( ( s% /usr/lib64/python2.7/email/charset.pyt get_body_encoding� s
c C s6 | j | j k r. t | | j � j | j � S| Sd S( s: Convert a string from the input_codec to the output_codec.N( R7 R8 R( R) ( R9 t s( ( s% /usr/lib64/python2.7/email/charset.pyt convert s c C sR t | t � s | j d k r" | Sy t | | j d � SWn t k
rM | SXd S( s� Convert a possibly multibyte string to a safely splittable format.
Uses the input_codec to try and convert the string to Unicode, so it
can be safely split on character boundaries (even for multibyte
characters).
Returns the string as-is if it isn't known how to convert it to
Unicode with the input_charset.
Characters that could not be converted to Unicode will be replaced
with the Unicode replacement character U+FFFD.
t replaceN( R' R( R7 R4 R0 ( R9 RF ( ( s% /usr/lib64/python2.7/email/charset.pyt
to_splittable s
c C sh | r | j } n | j } t | t � s7 | d k r; | Sy | j | d � SWn t k
rc | SXd S( s* Convert a splittable string back into an encoded string.
Uses the proper codec to try and convert the string from Unicode back
into an encoded format. Return the string as-is if it is not Unicode,
or if it could not be converted from Unicode.
Characters that could not be converted from Unicode will be replaced
with an appropriate character (usually '?').
If to_output is True (the default), uses output_codec to convert to an
encoded format. If to_output is False, uses input_codec.
RH N( R8 R7 R' R( R4 R) R0 ( R9 t ustrt to_outputt codec( ( s% /usr/lib64/python2.7/email/charset.pyt from_splittable+ s
c C s | j p | j S( s� Return the output character set.
This is self.output_charset if that is not None, otherwise it is
self.input_charset.
( R! R2 ( R9 ( ( s% /usr/lib64/python2.7/email/charset.pyt get_output_charsetD s c C s� | j � } | j t k r9 t j j | � t | � t S| j t k rf t j j
| � t | � t S| j t k r� t j j | � } t j j
| � } t | | � t | � t St | � Sd S( s/ Return the length of the encoded header string.N(
RN R5 R3 t emailt
base64mimet
base64_lent lent MISC_LENRD t
quoprimimet header_quopri_lenR t min( R9 RF t csett lenb64t lenqp( ( s% /usr/lib64/python2.7/email/charset.pyt encoded_header_lenL s c C s� | j � } | r$ | j | � } n | j t k rF t j j | | � S| j t k rn t j j | | d d �S| j t
k r� t j j | � } t j j | � } | | k r� t j j | | � St j j | | d d �Sn | Sd S( sE Header-encode a string, optionally converting it to output_charset.
If convert is True, the string will be converted from the input
charset to the output charset automatically. This is not useful for
multibyte character sets, which have line length issues (multibyte
characters must be split on a character, not a byte boundary); use the
high-level Header class to deal with these issues. convert defaults
to False.
The type of encoding (base64 or quoted-printable) will be based on
self.header_encoding.
t
maxlinelenN(
RN RG R5 R3 RO RP t
header_encodeRD RT R4 R RQ RU ( R9 RF RG RW RX RY ( ( s% /usr/lib64/python2.7/email/charset.pyR\ [ s
c C s^ | r | j | � } n | j t k r7 t j j | � S| j t k rV t j j | � S| Sd S( s� Body-encode a string and convert it to output_charset.
If convert is True (the default), the string will be converted from
the input charset to output charset automatically. Unlike
header_encode(), there are no issues with byte boundaries and
multibyte charsets in email bodies, so this is usually pretty safe.
The type of encoding (base64 or quoted-printable) will be based on
self.body_encoding.
N( RG R6 R3 RO RP t body_encodeRD RT ( R9 RF RG ( ( s% /usr/lib64/python2.7/email/charset.pyR] z s ( t __name__t
__module__t __doc__t DEFAULT_CHARSETR= R> t __repr__RA RB RE RG RI t TrueRM RN RZ t FalseR\ R] ( ( ( s% /usr/lib64/python2.7/email/charset.pyR � s + & ( NNN( ( t __all__R- t email.base64mimeRO t email.quoprimimeR t email.encodersR RD R3 R RS Ra R4 R R" R% R R R R ( ( ( s% /usr/lib64/python2.7/email/charset.pyt <module> s�
PK f�\�sx'�V �V header.pynu �[��� # Copyright (C) 2002-2006 Python Software Foundation
# Author: Ben Gertzfield, Barry Warsaw
# Contact: email-sig@python.org
"""Header encoding and decoding functionality."""
__all__ = [
'Header',
'decode_header',
'make_header',
]
import re
import binascii
import email.quoprimime
import email.base64mime
from email.errors import HeaderParseError
from email.charset import Charset
NL = '\n'
SPACE = ' '
USPACE = u' '
SPACE8 = ' ' * 8
UEMPTYSTRING = u''
MAXLINELEN = 76
USASCII = Charset('us-ascii')
UTF8 = Charset('utf-8')
# Match encoded-word strings in the form =?charset?q?Hello_World?=
ecre = re.compile(r'''
=\? # literal =?
(?P<charset>[^?]*?) # non-greedy up to the next ? is the charset
\? # literal ?
(?P<encoding>[qb]) # either a "q" or a "b", case insensitive
\? # literal ?
(?P<encoded>.*?) # non-greedy up to the next ?= is the encoded string
\?= # literal ?=
(?=[ \t]|$) # whitespace or the end of the string
''', re.VERBOSE | re.IGNORECASE | re.MULTILINE)
# Field name regexp, including trailing colon, but not separating whitespace,
# according to RFC 2822. Character range is from tilde to exclamation mark.
# For use with .match()
fcre = re.compile(r'[\041-\176]+:$')
# Find a header embedded in a putative header value. Used to check for
# header injection attack.
_embeded_header = re.compile(r'\n[^ \t]+:')
# Helpers
_max_append = email.quoprimime._max_append
def decode_header(header):
"""Decode a message header value without converting charset.
Returns a list of (decoded_string, charset) pairs containing each of the
decoded parts of the header. Charset is None for non-encoded parts of the
header, otherwise a lower-case string containing the name of the character
set specified in the encoded string.
An email.errors.HeaderParseError may be raised when certain decoding error
occurs (e.g. a base64 decoding exception).
"""
# If no encoding, just return the header
header = str(header)
if not ecre.search(header):
return [(header, None)]
decoded = []
dec = ''
for line in header.splitlines():
# This line might not have an encoding in it
if not ecre.search(line):
decoded.append((line, None))
continue
parts = ecre.split(line)
while parts:
unenc = parts.pop(0).strip()
if unenc:
# Should we continue a long line?
if decoded and decoded[-1][1] is None:
decoded[-1] = (decoded[-1][0] + SPACE + unenc, None)
else:
decoded.append((unenc, None))
if parts:
charset, encoding = [s.lower() for s in parts[0:2]]
encoded = parts[2]
dec = None
if encoding == 'q':
dec = email.quoprimime.header_decode(encoded)
elif encoding == 'b':
paderr = len(encoded) % 4 # Postel's law: add missing padding
if paderr:
encoded += '==='[:4 - paderr]
try:
dec = email.base64mime.decode(encoded)
except binascii.Error:
# Turn this into a higher level exception. BAW: Right
# now we throw the lower level exception away but
# when/if we get exception chaining, we'll preserve it.
raise HeaderParseError
if dec is None:
dec = encoded
if decoded and decoded[-1][1] == charset:
decoded[-1] = (decoded[-1][0] + dec, decoded[-1][1])
else:
decoded.append((dec, charset))
del parts[0:3]
return decoded
def make_header(decoded_seq, maxlinelen=None, header_name=None,
continuation_ws=' '):
"""Create a Header from a sequence of pairs as returned by decode_header()
decode_header() takes a header value string and returns a sequence of
pairs of the format (decoded_string, charset) where charset is the string
name of the character set.
This function takes one of those sequence of pairs and returns a Header
instance. Optional maxlinelen, header_name, and continuation_ws are as in
the Header constructor.
"""
h = Header(maxlinelen=maxlinelen, header_name=header_name,
continuation_ws=continuation_ws)
for s, charset in decoded_seq:
# None means us-ascii but we can simply pass it on to h.append()
if charset is not None and not isinstance(charset, Charset):
charset = Charset(charset)
h.append(s, charset)
return h
class Header:
def __init__(self, s=None, charset=None,
maxlinelen=None, header_name=None,
continuation_ws=' ', errors='strict'):
"""Create a MIME-compliant header that can contain many character sets.
Optional s is the initial header value. If None, the initial header
value is not set. You can later append to the header with .append()
method calls. s may be a byte string or a Unicode string, but see the
.append() documentation for semantics.
Optional charset serves two purposes: it has the same meaning as the
charset argument to the .append() method. It also sets the default
character set for all subsequent .append() calls that omit the charset
argument. If charset is not provided in the constructor, the us-ascii
charset is used both as s's initial charset and as the default for
subsequent .append() calls.
The maximum line length can be specified explicit via maxlinelen. For
splitting the first line to a shorter value (to account for the field
header which isn't included in s, e.g. `Subject') pass in the name of
the field in header_name. The default maxlinelen is 76.
continuation_ws must be RFC 2822 compliant folding whitespace (usually
either a space or a hard tab) which will be prepended to continuation
lines.
errors is passed through to the .append() call.
"""
if charset is None:
charset = USASCII
if not isinstance(charset, Charset):
charset = Charset(charset)
self._charset = charset
self._continuation_ws = continuation_ws
cws_expanded_len = len(continuation_ws.replace('\t', SPACE8))
# BAW: I believe `chunks' and `maxlinelen' should be non-public.
self._chunks = []
if s is not None:
self.append(s, charset, errors)
if maxlinelen is None:
maxlinelen = MAXLINELEN
if header_name is None:
# We don't know anything about the field header so the first line
# is the same length as subsequent lines.
self._firstlinelen = maxlinelen
else:
# The first line should be shorter to take into account the field
# header. Also subtract off 2 extra for the colon and space.
self._firstlinelen = maxlinelen - len(header_name) - 2
# Second and subsequent lines should subtract off the length in
# columns of the continuation whitespace prefix.
self._maxlinelen = maxlinelen - cws_expanded_len
def __str__(self):
"""A synonym for self.encode()."""
return self.encode()
def __unicode__(self):
"""Helper for the built-in unicode function."""
uchunks = []
lastcs = None
for s, charset in self._chunks:
# We must preserve spaces between encoded and non-encoded word
# boundaries, which means for us we need to add a space when we go
# from a charset to None/us-ascii, or from None/us-ascii to a
# charset. Only do this for the second and subsequent chunks.
nextcs = charset
if uchunks:
if lastcs not in (None, 'us-ascii'):
if nextcs in (None, 'us-ascii'):
uchunks.append(USPACE)
nextcs = None
elif nextcs not in (None, 'us-ascii'):
uchunks.append(USPACE)
lastcs = nextcs
uchunks.append(unicode(s, str(charset)))
return UEMPTYSTRING.join(uchunks)
# Rich comparison operators for equality only. BAW: does it make sense to
# have or explicitly disable <, <=, >, >= operators?
def __eq__(self, other):
# other may be a Header or a string. Both are fine so coerce
# ourselves to a string, swap the args and do another comparison.
return other == self.encode()
def __ne__(self, other):
return not self == other
def append(self, s, charset=None, errors='strict'):
"""Append a string to the MIME header.
Optional charset, if given, should be a Charset instance or the name
of a character set (which will be converted to a Charset instance). A
value of None (the default) means that the charset given in the
constructor is used.
s may be a byte string or a Unicode string. If it is a byte string
(i.e. isinstance(s, str) is true), then charset is the encoding of
that byte string, and a UnicodeError will be raised if the string
cannot be decoded with that charset. If s is a Unicode string, then
charset is a hint specifying the character set of the characters in
the string. In this case, when producing an RFC 2822 compliant header
using RFC 2047 rules, the Unicode string will be encoded using the
following charsets in order: us-ascii, the charset hint, utf-8. The
first character set not to provoke a UnicodeError is used.
Optional `errors' is passed as the third argument to any unicode() or
ustr.encode() call.
"""
if charset is None:
charset = self._charset
elif not isinstance(charset, Charset):
charset = Charset(charset)
# If the charset is our faux 8bit charset, leave the string unchanged
if charset != '8bit':
# We need to test that the string can be converted to unicode and
# back to a byte string, given the input and output codecs of the
# charset.
if isinstance(s, str):
# Possibly raise UnicodeError if the byte string can't be
# converted to a unicode with the input codec of the charset.
incodec = charset.input_codec or 'us-ascii'
ustr = unicode(s, incodec, errors)
# Now make sure that the unicode could be converted back to a
# byte string with the output codec, which may be different
# than the iput coded. Still, use the original byte string.
outcodec = charset.output_codec or 'us-ascii'
ustr.encode(outcodec, errors)
elif isinstance(s, unicode):
# Now we have to be sure the unicode string can be converted
# to a byte string with a reasonable output codec. We want to
# use the byte string in the chunk.
for charset in USASCII, charset, UTF8:
try:
outcodec = charset.output_codec or 'us-ascii'
s = s.encode(outcodec, errors)
break
except UnicodeError:
pass
else:
assert False, 'utf-8 conversion failed'
self._chunks.append((s, charset))
def _split(self, s, charset, maxlinelen, splitchars):
# Split up a header safely for use with encode_chunks.
splittable = charset.to_splittable(s)
encoded = charset.from_splittable(splittable, True)
elen = charset.encoded_header_len(encoded)
# If the line's encoded length first, just return it
if elen <= maxlinelen:
return [(encoded, charset)]
# If we have undetermined raw 8bit characters sitting in a byte
# string, we really don't know what the right thing to do is. We
# can't really split it because it might be multibyte data which we
# could break if we split it between pairs. The least harm seems to
# be to not split the header at all, but that means they could go out
# longer than maxlinelen.
if charset == '8bit':
return [(s, charset)]
# BAW: I'm not sure what the right test here is. What we're trying to
# do is be faithful to RFC 2822's recommendation that ($2.2.3):
#
# "Note: Though structured field bodies are defined in such a way that
# folding can take place between many of the lexical tokens (and even
# within some of the lexical tokens), folding SHOULD be limited to
# placing the CRLF at higher-level syntactic breaks."
#
# For now, I can only imagine doing this when the charset is us-ascii,
# although it's possible that other charsets may also benefit from the
# higher-level syntactic breaks.
elif charset == 'us-ascii':
return self._split_ascii(s, charset, maxlinelen, splitchars)
# BAW: should we use encoded?
elif elen == len(s):
# We can split on _maxlinelen boundaries because we know that the
# encoding won't change the size of the string
splitpnt = maxlinelen
first = charset.from_splittable(splittable[:splitpnt], False)
last = charset.from_splittable(splittable[splitpnt:], False)
else:
# Binary search for split point
first, last = _binsplit(splittable, charset, maxlinelen)
# first is of the proper length so just wrap it in the appropriate
# chrome. last must be recursively split.
fsplittable = charset.to_splittable(first)
fencoded = charset.from_splittable(fsplittable, True)
chunk = [(fencoded, charset)]
return chunk + self._split(last, charset, self._maxlinelen, splitchars)
def _split_ascii(self, s, charset, firstlen, splitchars):
chunks = _split_ascii(s, firstlen, self._maxlinelen,
self._continuation_ws, splitchars)
return zip(chunks, [charset]*len(chunks))
def _encode_chunks(self, newchunks, maxlinelen):
# MIME-encode a header with many different charsets and/or encodings.
#
# Given a list of pairs (string, charset), return a MIME-encoded
# string suitable for use in a header field. Each pair may have
# different charsets and/or encodings, and the resulting header will
# accurately reflect each setting.
#
# Each encoding can be email.utils.QP (quoted-printable, for
# ASCII-like character sets like iso-8859-1), email.utils.BASE64
# (Base64, for non-ASCII like character sets like KOI8-R and
# iso-2022-jp), or None (no encoding).
#
# Each pair will be represented on a separate line; the resulting
# string will be in the format:
#
# =?charset1?q?Mar=EDa_Gonz=E1lez_Alonso?=\n
# =?charset2?b?SvxyZ2VuIEL2aW5n?="
chunks = []
for header, charset in newchunks:
if not header:
continue
if charset is None or charset.header_encoding is None:
s = header
else:
s = charset.header_encode(header)
# Don't add more folding whitespace than necessary
if chunks and chunks[-1].endswith(' '):
extra = ''
else:
extra = ' '
_max_append(chunks, s, maxlinelen, extra)
joiner = NL + self._continuation_ws
return joiner.join(chunks)
def encode(self, splitchars=';, '):
"""Encode a message header into an RFC-compliant format.
There are many issues involved in converting a given string for use in
an email header. Only certain character sets are readable in most
email clients, and as header strings can only contain a subset of
7-bit ASCII, care must be taken to properly convert and encode (with
Base64 or quoted-printable) header strings. In addition, there is a
75-character length limit on any given encoded header field, so
line-wrapping must be performed, even with double-byte character sets.
This method will do its best to convert the string to the correct
character set used in email, and encode and line wrap it safely with
the appropriate scheme for that character set.
If the given charset is not known or an error occurs during
conversion, this function will return the header untouched.
Optional splitchars is a string containing characters to split long
ASCII lines on, in rough support of RFC 2822's `highest level
syntactic breaks'. This doesn't affect RFC 2047 encoded lines.
"""
newchunks = []
maxlinelen = self._firstlinelen
lastlen = 0
for s, charset in self._chunks:
# The first bit of the next chunk should be just long enough to
# fill the next line. Don't forget the space separating the
# encoded words.
targetlen = maxlinelen - lastlen - 1
if targetlen < charset.encoded_header_len(''):
# Stick it on the next line
targetlen = maxlinelen
newchunks += self._split(s, charset, targetlen, splitchars)
lastchunk, lastcharset = newchunks[-1]
lastlen = lastcharset.encoded_header_len(lastchunk)
value = self._encode_chunks(newchunks, maxlinelen)
if _embeded_header.search(value):
raise HeaderParseError("header value appears to contain "
"an embedded header: {!r}".format(value))
return value
def _split_ascii(s, firstlen, restlen, continuation_ws, splitchars):
lines = []
maxlen = firstlen
for line in s.splitlines():
# Ignore any leading whitespace (i.e. continuation whitespace) already
# on the line, since we'll be adding our own.
line = line.lstrip()
if len(line) < maxlen:
lines.append(line)
maxlen = restlen
continue
# Attempt to split the line at the highest-level syntactic break
# possible. Note that we don't have a lot of smarts about field
# syntax; we just try to break on semi-colons, then commas, then
# whitespace.
for ch in splitchars:
if ch in line:
break
else:
# There's nothing useful to split the line on, not even spaces, so
# just append this line unchanged
lines.append(line)
maxlen = restlen
continue
# Now split the line on the character plus trailing whitespace
cre = re.compile(r'%s\s*' % ch)
if ch in ';,':
eol = ch
else:
eol = ''
joiner = eol + ' '
joinlen = len(joiner)
wslen = len(continuation_ws.replace('\t', SPACE8))
this = []
linelen = 0
for part in cre.split(line):
curlen = linelen + max(0, len(this)-1) * joinlen
partlen = len(part)
onfirstline = not lines
# We don't want to split after the field name, if we're on the
# first line and the field name is present in the header string.
if ch == ' ' and onfirstline and \
len(this) == 1 and fcre.match(this[0]):
this.append(part)
linelen += partlen
elif curlen + partlen > maxlen:
if this:
lines.append(joiner.join(this) + eol)
# If this part is longer than maxlen and we aren't already
# splitting on whitespace, try to recursively split this line
# on whitespace.
if partlen > maxlen and ch != ' ':
subl = _split_ascii(part, maxlen, restlen,
continuation_ws, ' ')
lines.extend(subl[:-1])
this = [subl[-1]]
else:
this = [part]
linelen = wslen + len(this[-1])
maxlen = restlen
else:
this.append(part)
linelen += partlen
# Put any left over parts on a line by themselves
if this:
lines.append(joiner.join(this))
return lines
def _binsplit(splittable, charset, maxlinelen):
i = 0
j = len(splittable)
while i < j:
# Invariants:
# 1. splittable[:k] fits for all k <= i (note that we *assume*,
# at the start, that splittable[:0] fits).
# 2. splittable[:k] does not fit for any k > j (at the start,
# this means we shouldn't look at any k > len(splittable)).
# 3. We don't know about splittable[:k] for k in i+1..j.
# 4. We want to set i to the largest k that fits, with i <= k <= j.
#
m = (i+j+1) >> 1 # ceiling((i+j)/2); i < m <= j
chunk = charset.from_splittable(splittable[:m], True)
chunklen = charset.encoded_header_len(chunk)
if chunklen <= maxlinelen:
# m is acceptable, so is a new lower bound.
i = m
else:
# m is not acceptable, so final i must be < m.
j = m - 1
# i == j. Invariant #1 implies that splittable[:i] fits, and
# invariant #2 implies that splittable[:i+1] does not fit, so i
# is what we're looking for.
first = charset.from_splittable(splittable[:i], False)
last = charset.from_splittable(splittable[i:], False)
return first, last
PK f�\�x�� � base64mime.pyonu �[��� �
{ fc @ s� d Z d d d d d d d d g Z d d
l m Z m Z d d l m Z d Z d
Z d Z d Z
d � Z d e d e d � Z
e d e d � Z e Z e Z d d � Z e Z e Z d S( s� Base64 content transfer encoding per RFCs 2045-2047.
This module handles the content transfer encoding method defined in RFC 2045
to encode arbitrary 8-bit data using the three 8-bit bytes in four 7-bit
characters encoding known as Base64.
It is used in the MIME standards for email to attach images, audio, and text
using some 8-bit character sets to messages.
This module provides an interface to encode and decode both headers and bodies
with Base64 encoding.
RFC 2045 defines a method for including character set information in an
`encoded-word' in a header. This method is commonly used for 8-bit real names
in To:, From:, Cc:, etc. fields, as well as Subject: lines.
This module does not do the line wrapping or end-of-line character conversion
necessary for proper internationalized headers; it only does dumb encoding and
decoding. To deal with the various line wrapping issues, use the email.header
module.
t
base64_lent body_decodet body_encodet decodet decodestringt encodet encodestringt
header_encodei����( t
b2a_base64t
a2b_base64( t fix_eolss
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t i c C s< t t | � d � \ } } | d } | r8 | d 7} n | S( s6 Return the length of s when it is encoded with base64.i i ( t divmodt len( t st groups_of_3t leftovert n( ( s( /usr/lib64/python2.7/email/base64mime.pyR 4 s
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iso-8859-1iL c C s� | s
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|
j t � r� |
d }
n | j d | |
f � q� W| d } | j | � S( s0 Encode a single header line with Base64 encoding in a given charset.
Defined in RFC 2045, this Base64 encoding is identical to normal Base64
encoding, except that each line must be intelligently wrapped (respecting
the Base64 encoding), and subsequent lines must start with a space.
charset names the character set to use to encode the header. It defaults
to iso-8859-1.
End-of-line characters (\r, \n, \r\n) will be automatically converted
to the canonical email line separator \r\n unless the keep_eols
parameter is True (the default is False).
Each line of the header will be terminated in the value of eol, which
defaults to "\n". Set this to "\r\n" if you are using the result of
this function directly in email.
The resulting string will be in the form:
"=?charset?b?WW/5ciBtYXp66XLrIHf8eiBhIGhhbXBzdGHuciBBIFlv+XIgbWF6euly?=\n
=?charset?b?6yB3/HogYSBoYW1wc3Rh7nIgQkMgWW/5ciBtYXp66XLrIHf8eiBhIGhh?="
with each line wrapped at, at most, maxlinelen characters (defaults to 76
characters).
i i i i����s =?%s?b?%s?=t ( R
R
t MISC_LENt ranget appendR t endswitht NLt join( t headert charsett keep_eolst
maxlinelent eolt base64edt max_encodedt
max_unencodedt it linest linet joiner( ( s( /usr/lib64/python2.7/email/base64mime.pyR @ s "
c C s� | s
| S| s t | � } n g } | d d } xp t d t | � | � D]V } t | | | | !� } | j t � r� | t k r� | d | } n | j | � qL Wt j | � S( s� Encode a string with base64.
Each line will be wrapped at, at most, maxlinelen characters (defaults to
76 characters).
If binary is False, end-of-line characters will be converted to the
canonical email end-of-line sequence \r\n. Otherwise they will be left
verbatim (this is the default).
Each line of encoded text will end with eol, which defaults to "\n". Set
this to "\r\n" if you will be using the result of this function directly
in an email.
i i i i����( R
R R
R R R R t EMPTYSTRINGR ( R t binaryR R t encvecR R! t enc( ( s( /usr/lib64/python2.7/email/base64mime.pyR z s c C s0 | s
| St | � } | r, | j t | � S| S( s� Decode a raw base64 string.
If convert_eols is set to a string value, all canonical email linefeeds,
e.g. "\r\n", in the decoded text will be converted to the value of
convert_eols. os.linesep is a good choice for convert_eols if you are
decoding a text attachment.
This function does not parse a full MIME header value encoded with
base64 (like =?iso-8859-1?b?bmloISBuaWgh?=) -- please use the high
level email.header class for that functionality.
( R t replacet CRLF( R t convert_eolst dec( ( s( /usr/lib64/python2.7/email/base64mime.pyR � s N( t __doc__t __all__t binasciiR R t email.utilsR
R* R R% R R t FalseR t TrueR R R t NoneR R R ( ( ( s( /usr/lib64/python2.7/email/base64mime.pyt <module> s. 9! PK f�\\H� � iterators.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Various types of useful iterators and generators."""
__all__ = [
'body_line_iterator',
'typed_subpart_iterator',
'walk',
# Do not include _structure() since it's part of the debugging API.
]
import sys
from cStringIO import StringIO
# This function will become a method of the Message class
def walk(self):
"""Walk over the message tree, yielding each subpart.
The walk is performed in depth-first order. This method is a
generator.
"""
yield self
if self.is_multipart():
for subpart in self.get_payload():
for subsubpart in subpart.walk():
yield subsubpart
# These two functions are imported into the Iterators.py interface module.
def body_line_iterator(msg, decode=False):
"""Iterate over the parts, returning string payloads line-by-line.
Optional decode (default False) is passed through to .get_payload().
"""
for subpart in msg.walk():
payload = subpart.get_payload(decode=decode)
if isinstance(payload, basestring):
for line in StringIO(payload):
yield line
def typed_subpart_iterator(msg, maintype='text', subtype=None):
"""Iterate over the subparts with a given MIME type.
Use `maintype' as the main MIME type to match against; this defaults to
"text". Optional `subtype' is the MIME subtype to match against; if
omitted, only the main type is matched.
"""
for subpart in msg.walk():
if subpart.get_content_maintype() == maintype:
if subtype is None or subpart.get_content_subtype() == subtype:
yield subpart
def _structure(msg, fp=None, level=0, include_default=False):
"""A handy debugging aid"""
if fp is None:
fp = sys.stdout
tab = ' ' * (level * 4)
print >> fp, tab + msg.get_content_type(),
if include_default:
print >> fp, '[%s]' % msg.get_default_type()
else:
print >> fp
if msg.is_multipart():
for subpart in msg.get_payload():
_structure(subpart, fp, level+1, include_default)
PK f�\.�
?
?
_parseaddr.pynu �[��� # Copyright (C) 2002-2007 Python Software Foundation
# Contact: email-sig@python.org
"""Email address parsing code.
Lifted directly from rfc822.py. This should eventually be rewritten.
"""
__all__ = [
'mktime_tz',
'parsedate',
'parsedate_tz',
'quote',
]
import time, calendar
SPACE = ' '
EMPTYSTRING = ''
COMMASPACE = ', '
# Parse a date field
_monthnames = ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul',
'aug', 'sep', 'oct', 'nov', 'dec',
'january', 'february', 'march', 'april', 'may', 'june', 'july',
'august', 'september', 'october', 'november', 'december']
_daynames = ['mon', 'tue', 'wed', 'thu', 'fri', 'sat', 'sun']
# The timezone table does not include the military time zones defined
# in RFC822, other than Z. According to RFC1123, the description in
# RFC822 gets the signs wrong, so we can't rely on any such time
# zones. RFC1123 recommends that numeric timezone indicators be used
# instead of timezone names.
_timezones = {'UT':0, 'UTC':0, 'GMT':0, 'Z':0,
'AST': -400, 'ADT': -300, # Atlantic (used in Canada)
'EST': -500, 'EDT': -400, # Eastern
'CST': -600, 'CDT': -500, # Central
'MST': -700, 'MDT': -600, # Mountain
'PST': -800, 'PDT': -700 # Pacific
}
def parsedate_tz(data):
"""Convert a date string to a time tuple.
Accounts for military timezones.
"""
data = data.split()
# The FWS after the comma after the day-of-week is optional, so search and
# adjust for this.
if data[0].endswith(',') or data[0].lower() in _daynames:
# There's a dayname here. Skip it
del data[0]
else:
i = data[0].rfind(',')
if i >= 0:
data[0] = data[0][i+1:]
if len(data) == 3: # RFC 850 date, deprecated
stuff = data[0].split('-')
if len(stuff) == 3:
data = stuff + data[1:]
if len(data) == 4:
s = data[3]
i = s.find('+')
if i > 0:
data[3:] = [s[:i], s[i+1:]]
else:
data.append('') # Dummy tz
if len(data) < 5:
return None
data = data[:5]
[dd, mm, yy, tm, tz] = data
mm = mm.lower()
if mm not in _monthnames:
dd, mm = mm, dd.lower()
if mm not in _monthnames:
return None
mm = _monthnames.index(mm) + 1
if mm > 12:
mm -= 12
if dd[-1] == ',':
dd = dd[:-1]
i = yy.find(':')
if i > 0:
yy, tm = tm, yy
if yy[-1] == ',':
yy = yy[:-1]
if not yy[0].isdigit():
yy, tz = tz, yy
if tm[-1] == ',':
tm = tm[:-1]
tm = tm.split(':')
if len(tm) == 2:
[thh, tmm] = tm
tss = '0'
elif len(tm) == 3:
[thh, tmm, tss] = tm
else:
return None
try:
yy = int(yy)
dd = int(dd)
thh = int(thh)
tmm = int(tmm)
tss = int(tss)
except ValueError:
return None
# Check for a yy specified in two-digit format, then convert it to the
# appropriate four-digit format, according to the POSIX standard. RFC 822
# calls for a two-digit yy, but RFC 2822 (which obsoletes RFC 822)
# mandates a 4-digit yy. For more information, see the documentation for
# the time module.
if yy < 100:
# The year is between 1969 and 1999 (inclusive).
if yy > 68:
yy += 1900
# The year is between 2000 and 2068 (inclusive).
else:
yy += 2000
tzoffset = None
tz = tz.upper()
if tz in _timezones:
tzoffset = _timezones[tz]
else:
try:
tzoffset = int(tz)
except ValueError:
pass
# Convert a timezone offset into seconds ; -0500 -> -18000
if tzoffset:
if tzoffset < 0:
tzsign = -1
tzoffset = -tzoffset
else:
tzsign = 1
tzoffset = tzsign * ( (tzoffset//100)*3600 + (tzoffset % 100)*60)
# Daylight Saving Time flag is set to -1, since DST is unknown.
return yy, mm, dd, thh, tmm, tss, 0, 1, -1, tzoffset
def parsedate(data):
"""Convert a time string to a time tuple."""
t = parsedate_tz(data)
if isinstance(t, tuple):
return t[:9]
else:
return t
def mktime_tz(data):
"""Turn a 10-tuple as returned by parsedate_tz() into a POSIX timestamp."""
if data[9] is None:
# No zone info, so localtime is better assumption than GMT
return time.mktime(data[:8] + (-1,))
else:
t = calendar.timegm(data)
return t - data[9]
def quote(str):
"""Prepare string to be used in a quoted string.
Turns backslash and double quote characters into quoted pairs. These
are the only characters that need to be quoted inside a quoted string.
Does not add the surrounding double quotes.
"""
return str.replace('\\', '\\\\').replace('"', '\\"')
class AddrlistClass:
"""Address parser class by Ben Escoto.
To understand what this class does, it helps to have a copy of RFC 2822 in
front of you.
Note: this class interface is deprecated and may be removed in the future.
Use rfc822.AddressList instead.
"""
def __init__(self, field):
"""Initialize a new instance.
`field' is an unparsed address header field, containing
one or more addresses.
"""
self.specials = '()<>@,:;.\"[]'
self.pos = 0
self.LWS = ' \t'
self.CR = '\r\n'
self.FWS = self.LWS + self.CR
self.atomends = self.specials + self.LWS + self.CR
# Note that RFC 2822 now specifies `.' as obs-phrase, meaning that it
# is obsolete syntax. RFC 2822 requires that we recognize obsolete
# syntax, so allow dots in phrases.
self.phraseends = self.atomends.replace('.', '')
self.field = field
self.commentlist = []
def gotonext(self):
"""Parse up to the start of the next address."""
while self.pos < len(self.field):
if self.field[self.pos] in self.LWS + '\n\r':
self.pos += 1
elif self.field[self.pos] == '(':
self.commentlist.append(self.getcomment())
else:
break
def getaddrlist(self):
"""Parse all addresses.
Returns a list containing all of the addresses.
"""
result = []
while self.pos < len(self.field):
ad = self.getaddress()
if ad:
result += ad
else:
result.append(('', ''))
return result
def getaddress(self):
"""Parse the next address."""
self.commentlist = []
self.gotonext()
oldpos = self.pos
oldcl = self.commentlist
plist = self.getphraselist()
self.gotonext()
returnlist = []
if self.pos >= len(self.field):
# Bad email address technically, no domain.
if plist:
returnlist = [(SPACE.join(self.commentlist), plist[0])]
elif self.field[self.pos] in '.@':
# email address is just an addrspec
# this isn't very efficient since we start over
self.pos = oldpos
self.commentlist = oldcl
addrspec = self.getaddrspec()
returnlist = [(SPACE.join(self.commentlist), addrspec)]
elif self.field[self.pos] == ':':
# address is a group
returnlist = []
fieldlen = len(self.field)
self.pos += 1
while self.pos < len(self.field):
self.gotonext()
if self.pos < fieldlen and self.field[self.pos] == ';':
self.pos += 1
break
returnlist = returnlist + self.getaddress()
elif self.field[self.pos] == '<':
# Address is a phrase then a route addr
routeaddr = self.getrouteaddr()
if self.commentlist:
returnlist = [(SPACE.join(plist) + ' (' +
' '.join(self.commentlist) + ')', routeaddr)]
else:
returnlist = [(SPACE.join(plist), routeaddr)]
else:
if plist:
returnlist = [(SPACE.join(self.commentlist), plist[0])]
elif self.field[self.pos] in self.specials:
self.pos += 1
self.gotonext()
if self.pos < len(self.field) and self.field[self.pos] == ',':
self.pos += 1
return returnlist
def getrouteaddr(self):
"""Parse a route address (Return-path value).
This method just skips all the route stuff and returns the addrspec.
"""
if self.field[self.pos] != '<':
return
expectroute = False
self.pos += 1
self.gotonext()
adlist = ''
while self.pos < len(self.field):
if expectroute:
self.getdomain()
expectroute = False
elif self.field[self.pos] == '>':
self.pos += 1
break
elif self.field[self.pos] == '@':
self.pos += 1
expectroute = True
elif self.field[self.pos] == ':':
self.pos += 1
else:
adlist = self.getaddrspec()
self.pos += 1
break
self.gotonext()
return adlist
def getaddrspec(self):
"""Parse an RFC 2822 addr-spec."""
aslist = []
self.gotonext()
while self.pos < len(self.field):
if self.field[self.pos] == '.':
aslist.append('.')
self.pos += 1
elif self.field[self.pos] == '"':
aslist.append('"%s"' % quote(self.getquote()))
elif self.field[self.pos] in self.atomends:
break
else:
aslist.append(self.getatom())
self.gotonext()
if self.pos >= len(self.field) or self.field[self.pos] != '@':
return EMPTYSTRING.join(aslist)
aslist.append('@')
self.pos += 1
self.gotonext()
domain = self.getdomain()
if not domain:
# Invalid domain, return an empty address instead of returning a
# local part to denote failed parsing.
return EMPTYSTRING
return EMPTYSTRING.join(aslist) + domain
def getdomain(self):
"""Get the complete domain name from an address."""
sdlist = []
while self.pos < len(self.field):
if self.field[self.pos] in self.LWS:
self.pos += 1
elif self.field[self.pos] == '(':
self.commentlist.append(self.getcomment())
elif self.field[self.pos] == '[':
sdlist.append(self.getdomainliteral())
elif self.field[self.pos] == '.':
self.pos += 1
sdlist.append('.')
elif self.field[self.pos] == '@':
# bpo-34155: Don't parse domains with two `@` like
# `a@malicious.org@important.com`.
return EMPTYSTRING
elif self.field[self.pos] in self.atomends:
break
else:
sdlist.append(self.getatom())
return EMPTYSTRING.join(sdlist)
def getdelimited(self, beginchar, endchars, allowcomments=True):
"""Parse a header fragment delimited by special characters.
`beginchar' is the start character for the fragment.
If self is not looking at an instance of `beginchar' then
getdelimited returns the empty string.
`endchars' is a sequence of allowable end-delimiting characters.
Parsing stops when one of these is encountered.
If `allowcomments' is non-zero, embedded RFC 2822 comments are allowed
within the parsed fragment.
"""
if self.field[self.pos] != beginchar:
return ''
slist = ['']
quote = False
self.pos += 1
while self.pos < len(self.field):
if quote:
slist.append(self.field[self.pos])
quote = False
elif self.field[self.pos] in endchars:
self.pos += 1
break
elif allowcomments and self.field[self.pos] == '(':
slist.append(self.getcomment())
continue # have already advanced pos from getcomment
elif self.field[self.pos] == '\\':
quote = True
else:
slist.append(self.field[self.pos])
self.pos += 1
return EMPTYSTRING.join(slist)
def getquote(self):
"""Get a quote-delimited fragment from self's field."""
return self.getdelimited('"', '"\r', False)
def getcomment(self):
"""Get a parenthesis-delimited fragment from self's field."""
return self.getdelimited('(', ')\r', True)
def getdomainliteral(self):
"""Parse an RFC 2822 domain-literal."""
return '[%s]' % self.getdelimited('[', ']\r', False)
def getatom(self, atomends=None):
"""Parse an RFC 2822 atom.
Optional atomends specifies a different set of end token delimiters
(the default is to use self.atomends). This is used e.g. in
getphraselist() since phrase endings must not include the `.' (which
is legal in phrases)."""
atomlist = ['']
if atomends is None:
atomends = self.atomends
while self.pos < len(self.field):
if self.field[self.pos] in atomends:
break
else:
atomlist.append(self.field[self.pos])
self.pos += 1
return EMPTYSTRING.join(atomlist)
def getphraselist(self):
"""Parse a sequence of RFC 2822 phrases.
A phrase is a sequence of words, which are in turn either RFC 2822
atoms or quoted-strings. Phrases are canonicalized by squeezing all
runs of continuous whitespace into one space.
"""
plist = []
while self.pos < len(self.field):
if self.field[self.pos] in self.FWS:
self.pos += 1
elif self.field[self.pos] == '"':
plist.append(self.getquote())
elif self.field[self.pos] == '(':
self.commentlist.append(self.getcomment())
elif self.field[self.pos] in self.phraseends:
break
else:
plist.append(self.getatom(self.phraseends))
return plist
class AddressList(AddrlistClass):
"""An AddressList encapsulates a list of parsed RFC 2822 addresses."""
def __init__(self, field):
AddrlistClass.__init__(self, field)
if field:
self.addresslist = self.getaddrlist()
else:
self.addresslist = []
def __len__(self):
return len(self.addresslist)
def __add__(self, other):
# Set union
newaddr = AddressList(None)
newaddr.addresslist = self.addresslist[:]
for x in other.addresslist:
if not x in self.addresslist:
newaddr.addresslist.append(x)
return newaddr
def __iadd__(self, other):
# Set union, in-place
for x in other.addresslist:
if not x in self.addresslist:
self.addresslist.append(x)
return self
def __sub__(self, other):
# Set difference
newaddr = AddressList(None)
for x in self.addresslist:
if not x in other.addresslist:
newaddr.addresslist.append(x)
return newaddr
def __isub__(self, other):
# Set difference, in-place
for x in other.addresslist:
if x in self.addresslist:
self.addresslist.remove(x)
return self
def __getitem__(self, index):
# Make indexing, slices, and 'in' work
return self.addresslist[index]
PK f�\+f�*� � encoders.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Encodings and related functions."""
__all__ = [
'encode_7or8bit',
'encode_base64',
'encode_noop',
'encode_quopri',
]
import base64
from quopri import encodestring as _encodestring
def _qencode(s):
enc = _encodestring(s, quotetabs=True)
# Must encode spaces, which quopri.encodestring() doesn't do
return enc.replace(' ', '=20')
def _bencode(s):
# We can't quite use base64.encodestring() since it tacks on a "courtesy
# newline". Blech!
if not s:
return s
hasnewline = (s[-1] == '\n')
value = base64.encodestring(s)
if not hasnewline and value[-1] == '\n':
return value[:-1]
return value
def encode_base64(msg):
"""Encode the message's payload in Base64.
Also, add an appropriate Content-Transfer-Encoding header.
"""
orig = msg.get_payload()
encdata = _bencode(orig)
msg.set_payload(encdata)
msg['Content-Transfer-Encoding'] = 'base64'
def encode_quopri(msg):
"""Encode the message's payload in quoted-printable.
Also, add an appropriate Content-Transfer-Encoding header.
"""
orig = msg.get_payload()
encdata = _qencode(orig)
msg.set_payload(encdata)
msg['Content-Transfer-Encoding'] = 'quoted-printable'
def encode_7or8bit(msg):
"""Set the Content-Transfer-Encoding header to 7bit or 8bit."""
orig = msg.get_payload()
if orig is None:
# There's no payload. For backwards compatibility we use 7bit
msg['Content-Transfer-Encoding'] = '7bit'
return
# We play a trick to make this go fast. If encoding to ASCII succeeds, we
# know the data must be 7bit, otherwise treat it as 8bit.
try:
orig.encode('ascii')
except UnicodeError:
msg['Content-Transfer-Encoding'] = '8bit'
else:
msg['Content-Transfer-Encoding'] = '7bit'
def encode_noop(msg):
"""Do nothing."""
PK f�\ ky�E6 E6 _parseaddr.pycnu �[��� �
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c C s d | _ d | _ d | _ d | _ | j | j | _ | j | j | j | _ | j j d d � | _ | | _ g | _ d S( s� Initialize a new instance.
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c C s� g | _ | j � | j } | j } | j � } | j � g } | j t | j � k r� | rPt j | j � | d f g } qPn�| j | j d k r� | | _ | | _ | j � } t j | j � | f g } nz| j | j d k r�g } t | j � } | j d 7_ x=| j t | j � k r�| j � | j | k rm| j | j d k rm| j d 7_ Pn | | j � } qWn� | j | j d k r�| j
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This method just skips all the route stuff and returns the addrspec.
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c C s\ g } | j � x� | j t | j � k r� | j | j d k r` | j d � | j d 7_ nf | j | j d k r� | j d t | j � � � n0 | j | j | j k r� Pn | j | j � � | j � q W| j t | j � k s| j | j d k rt j
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� � q Wt j | � S( s- Get the complete domain name from an address.i Rl t [R` R� ( Rb R< Rh Rc Ri R> Rm t getdomainliteralR� Rf R� Rx ( Rj t sdlist( ( s( /usr/lib64/python2.7/email/_parseaddr.pyR� Z s" c C s- | j | j | k r d Sd g } t } | j d 7_ x� | j t | j � k r | ry | j | j | j � t } n� | j | j | k r� | j d 7_ Pnk | r� | j | j d k r� | j | j � � q; n6 | j | j d k r� t } n | j | j | j � | j d 7_ q; Wt j | � S( s� Parse a header fragment delimited by special characters.
`beginchar' is the start character for the fragment.
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Parsing stops when one of these is encountered.
If `allowcomments' is non-zero, embedded RFC 2822 comments are allowed
within the parsed fragment.
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Optional atomends specifies a different set of end token delimiters
(the default is to use self.atomends). This is used e.g. in
getphraselist() since phrase endings must not include the `.' (which
is legal in phrases).R i N( R? Rf Rb R< Rh R> R� Rx ( Rj Rf t atomlist( ( s( /usr/lib64/python2.7/email/_parseaddr.pyR� � s c C s� g } x� | j t | j � k r� | j | j | j k rL | j d 7_ q | j | j d k rx | j | j � � q | j | j d k r� | j j | j � � q | j | j | j k r� Pq | j | j | j � � q W| S( s� Parse a sequence of RFC 2822 phrases.
A phrase is a sequence of words, which are in turn either RFC 2822
atoms or quoted-strings. Phrases are canonicalized by squeezing all
runs of continuous whitespace into one space.
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`* `*
quoprimime.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Ben Gertzfield
# Contact: email-sig@python.org
"""Quoted-printable content transfer encoding per RFCs 2045-2047.
This module handles the content transfer encoding method defined in RFC 2045
to encode US ASCII-like 8-bit data called `quoted-printable'. It is used to
safely encode text that is in a character set similar to the 7-bit US ASCII
character set, but that includes some 8-bit characters that are normally not
allowed in email bodies or headers.
Quoted-printable is very space-inefficient for encoding binary files; use the
email.base64mime module for that instead.
This module provides an interface to encode and decode both headers and bodies
with quoted-printable encoding.
RFC 2045 defines a method for including character set information in an
`encoded-word' in a header. This method is commonly used for 8-bit real names
in To:/From:/Cc: etc. fields, as well as Subject: lines.
This module does not do the line wrapping or end-of-line character
conversion necessary for proper internationalized headers; it only
does dumb encoding and decoding. To deal with the various line
wrapping issues, use the email.header module.
"""
__all__ = [
'body_decode',
'body_encode',
'body_quopri_check',
'body_quopri_len',
'decode',
'decodestring',
'encode',
'encodestring',
'header_decode',
'header_encode',
'header_quopri_check',
'header_quopri_len',
'quote',
'unquote',
]
import re
from string import hexdigits
from email.utils import fix_eols
CRLF = '\r\n'
NL = '\n'
# See also Charset.py
MISC_LEN = 7
hqre = re.compile(r'[^-a-zA-Z0-9!*+/ ]')
bqre = re.compile(r'[^ !-<>-~\t]')
# Helpers
def header_quopri_check(c):
"""Return True if the character should be escaped with header quopri."""
return bool(hqre.match(c))
def body_quopri_check(c):
"""Return True if the character should be escaped with body quopri."""
return bool(bqre.match(c))
def header_quopri_len(s):
"""Return the length of str when it is encoded with header quopri."""
count = 0
for c in s:
if hqre.match(c):
count += 3
else:
count += 1
return count
def body_quopri_len(str):
"""Return the length of str when it is encoded with body quopri."""
count = 0
for c in str:
if bqre.match(c):
count += 3
else:
count += 1
return count
def _max_append(L, s, maxlen, extra=''):
if not L:
L.append(s.lstrip())
elif len(L[-1]) + len(s) <= maxlen:
L[-1] += extra + s
else:
L.append(s.lstrip())
def unquote(s):
"""Turn a string in the form =AB to the ASCII character with value 0xab"""
return chr(int(s[1:3], 16))
def quote(c):
return "=%02X" % ord(c)
def header_encode(header, charset="iso-8859-1", keep_eols=False,
maxlinelen=76, eol=NL):
"""Encode a single header line with quoted-printable (like) encoding.
Defined in RFC 2045, this `Q' encoding is similar to quoted-printable, but
used specifically for email header fields to allow charsets with mostly 7
bit characters (and some 8 bit) to remain more or less readable in non-RFC
2045 aware mail clients.
charset names the character set to use to encode the header. It defaults
to iso-8859-1.
The resulting string will be in the form:
"=?charset?q?I_f=E2rt_in_your_g=E8n=E8ral_dire=E7tion?\\n
=?charset?q?Silly_=C8nglish_Kn=EEghts?="
with each line wrapped safely at, at most, maxlinelen characters (defaults
to 76 characters). If maxlinelen is None, the entire string is encoded in
one chunk with no splitting.
End-of-line characters (\\r, \\n, \\r\\n) will be automatically converted
to the canonical email line separator \\r\\n unless the keep_eols
parameter is True (the default is False).
Each line of the header will be terminated in the value of eol, which
defaults to "\\n". Set this to "\\r\\n" if you are using the result of
this function directly in email.
"""
# Return empty headers unchanged
if not header:
return header
if not keep_eols:
header = fix_eols(header)
# Quopri encode each line, in encoded chunks no greater than maxlinelen in
# length, after the RFC chrome is added in.
quoted = []
if maxlinelen is None:
# An obnoxiously large number that's good enough
max_encoded = 100000
else:
max_encoded = maxlinelen - len(charset) - MISC_LEN - 1
for c in header:
# Space may be represented as _ instead of =20 for readability
if c == ' ':
_max_append(quoted, '_', max_encoded)
# These characters can be included verbatim
elif not hqre.match(c):
_max_append(quoted, c, max_encoded)
# Otherwise, replace with hex value like =E2
else:
_max_append(quoted, "=%02X" % ord(c), max_encoded)
# Now add the RFC chrome to each encoded chunk and glue the chunks
# together. BAW: should we be able to specify the leading whitespace in
# the joiner?
joiner = eol + ' '
return joiner.join(['=?%s?q?%s?=' % (charset, line) for line in quoted])
def encode(body, binary=False, maxlinelen=76, eol=NL):
"""Encode with quoted-printable, wrapping at maxlinelen characters.
If binary is False (the default), end-of-line characters will be converted
to the canonical email end-of-line sequence \\r\\n. Otherwise they will
be left verbatim.
Each line of encoded text will end with eol, which defaults to "\\n". Set
this to "\\r\\n" if you will be using the result of this function directly
in an email.
Each line will be wrapped at, at most, maxlinelen characters (defaults to
76 characters). Long lines will have the `soft linefeed' quoted-printable
character "=" appended to them, so the decoded text will be identical to
the original text.
"""
if not body:
return body
if not binary:
body = fix_eols(body)
# BAW: We're accumulating the body text by string concatenation. That
# can't be very efficient, but I don't have time now to rewrite it. It
# just feels like this algorithm could be more efficient.
encoded_body = ''
lineno = -1
# Preserve line endings here so we can check later to see an eol needs to
# be added to the output later.
lines = body.splitlines(1)
for line in lines:
# But strip off line-endings for processing this line.
if line.endswith(CRLF):
line = line[:-2]
elif line[-1] in CRLF:
line = line[:-1]
lineno += 1
encoded_line = ''
prev = None
linelen = len(line)
# Now we need to examine every character to see if it needs to be
# quopri encoded. BAW: again, string concatenation is inefficient.
for j in range(linelen):
c = line[j]
prev = c
if bqre.match(c):
c = quote(c)
elif j+1 == linelen:
# Check for whitespace at end of line; special case
if c not in ' \t':
encoded_line += c
prev = c
continue
# Check to see to see if the line has reached its maximum length
if len(encoded_line) + len(c) >= maxlinelen:
encoded_body += encoded_line + '=' + eol
encoded_line = ''
encoded_line += c
# Now at end of line..
if prev and prev in ' \t':
# Special case for whitespace at end of file
if lineno + 1 == len(lines):
prev = quote(prev)
if len(encoded_line) + len(prev) > maxlinelen:
encoded_body += encoded_line + '=' + eol + prev
else:
encoded_body += encoded_line + prev
# Just normal whitespace at end of line
else:
encoded_body += encoded_line + prev + '=' + eol
encoded_line = ''
# Now look at the line we just finished and it has a line ending, we
# need to add eol to the end of the line.
if lines[lineno].endswith(CRLF) or lines[lineno][-1] in CRLF:
encoded_body += encoded_line + eol
else:
encoded_body += encoded_line
encoded_line = ''
return encoded_body
# For convenience and backwards compatibility w/ standard base64 module
body_encode = encode
encodestring = encode
# BAW: I'm not sure if the intent was for the signature of this function to be
# the same as base64MIME.decode() or not...
def decode(encoded, eol=NL):
"""Decode a quoted-printable string.
Lines are separated with eol, which defaults to \\n.
"""
if not encoded:
return encoded
# BAW: see comment in encode() above. Again, we're building up the
# decoded string with string concatenation, which could be done much more
# efficiently.
decoded = ''
for line in encoded.splitlines():
line = line.rstrip()
if not line:
decoded += eol
continue
i = 0
n = len(line)
while i < n:
c = line[i]
if c != '=':
decoded += c
i += 1
# Otherwise, c == "=". Are we at the end of the line? If so, add
# a soft line break.
elif i+1 == n:
i += 1
continue
# Decode if in form =AB
elif i+2 < n and line[i+1] in hexdigits and line[i+2] in hexdigits:
decoded += unquote(line[i:i+3])
i += 3
# Otherwise, not in form =AB, pass literally
else:
decoded += c
i += 1
if i == n:
decoded += eol
# Special case if original string did not end with eol
if not encoded.endswith(eol) and decoded.endswith(eol):
decoded = decoded[:-1]
return decoded
# For convenience and backwards compatibility w/ standard base64 module
body_decode = decode
decodestring = decode
def _unquote_match(match):
"""Turn a match in the form =AB to the ASCII character with value 0xab"""
s = match.group(0)
return unquote(s)
# Header decoding is done a bit differently
def header_decode(s):
"""Decode a string encoded with RFC 2045 MIME header `Q' encoding.
This function does not parse a full MIME header value encoded with
quoted-printable (like =?iso-8859-1?q?Hello_World?=) -- please use
the high level email.header class for that functionality.
"""
s = s.replace('_', ' ')
return re.sub(r'=[a-fA-F0-9]{2}', _unquote_match, s)
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� � n d S( s� Parser of RFC 2822 and MIME email messages.
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continuation lines, optionally preceded by a `Unix-from' header. The
header block is terminated either by the end of the string or by a
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i t _classs( Multiple values for keyword arg '_class'i i t stricts( Multiple values for keyword arg 'strict's Too many argumentss- 'strict' argument is deprecated (and ignored)s Unexpected keyword argumentsN( t lent TypeErrorR R t warningst warnt DeprecationWarning( t selft argst kws( ( s$ /usr/lib64/python2.7/email/parser.pyt __init__ s(
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R ( R R ( R t textR ( ( s$ /usr/lib64/python2.7/email/parser.pyt parsestrJ s ( t __name__t
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\n[^ \t]+:c C sG t | � } t j | � s( | d f g Sg } d } x | j � D]�} t j | � so | j | d f � qA n t j | � } x�| r>| j d � j � } | r� | r� | d d d k r� | d d t | d f | d <q� | j | d f � n | r1g | d d !D] } | j
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occurs (e.g. a base64 decoding exception).
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pairs of the format (decoded_string, charset) where charset is the string
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instance. Optional maxlinelen, header_name, and continuation_ws are as in
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method calls. s may be a byte string or a Unicode string, but see the
.append() documentation for semantics.
Optional charset serves two purposes: it has the same meaning as the
charset argument to the .append() method. It also sets the default
character set for all subsequent .append() calls that omit the charset
argument. If charset is not provided in the constructor, the us-ascii
charset is used both as s's initial charset and as the default for
subsequent .append() calls.
The maximum line length can be specified explicit via maxlinelen. For
splitting the first line to a shorter value (to account for the field
header which isn't included in s, e.g. `Subject') pass in the name of
the field in header_name. The default maxlinelen is 76.
continuation_ws must be RFC 2822 compliant folding whitespace (usually
either a space or a hard tab) which will be prepended to continuation
lines.
errors is passed through to the .append() call.
s i N( R t USASCIIR* R t _charsett _continuation_wsR t replacet SPACE8t _chunksR t
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value of None (the default) means that the charset given in the
constructor is used.
s may be a byte string or a Unicode string. If it is a byte string
(i.e. isinstance(s, str) is true), then charset is the encoding of
that byte string, and a UnicodeError will be raised if the string
cannot be decoded with that charset. If s is a Unicode string, then
charset is a hint specifying the character set of the characters in
the string. In this case, when producing an RFC 2822 compliant header
using RFC 2047 rules, the Unicode string will be encoded using the
following charsets in order: us-ascii, the charset hint, utf-8. The
first character set not to provoke a UnicodeError is used.
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ustr.encode() call.
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Base64 or quoted-printable) header strings. In addition, there is a
75-character length limit on any given encoded header field, so
line-wrapping must be performed, even with double-byte character sets.
This method will do its best to convert the string to the correct
character set used in email, and encode and line wrap it safely with
the appropriate scheme for that character set.
If the given charset is not known or an error occurs during
conversion, this function will return the header untouched.
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ASCII lines on, in rough support of RFC 2822's `highest level
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# Author: Barry Warsaw
# Contact: email-sig@python.org
"""email package exception classes."""
class MessageError(Exception):
"""Base class for errors in the email package."""
class MessageParseError(MessageError):
"""Base class for message parsing errors."""
class HeaderParseError(MessageParseError):
"""Error while parsing headers."""
class BoundaryError(MessageParseError):
"""Couldn't find terminating boundary."""
class MultipartConversionError(MessageError, TypeError):
"""Conversion to a multipart is prohibited."""
class CharsetError(MessageError):
"""An illegal charset was given."""
# These are parsing defects which the parser was able to work around.
class MessageDefect:
"""Base class for a message defect."""
def __init__(self, line=None):
self.line = line
class NoBoundaryInMultipartDefect(MessageDefect):
"""A message claimed to be a multipart but had no boundary parameter."""
class StartBoundaryNotFoundDefect(MessageDefect):
"""The claimed start boundary was never found."""
class FirstHeaderLineIsContinuationDefect(MessageDefect):
"""A message had a continuation line as its first header line."""
class MisplacedEnvelopeHeaderDefect(MessageDefect):
"""A 'Unix-from' header was found in the middle of a header block."""
class MalformedHeaderDefect(MessageDefect):
"""Found a header that was missing a colon, or was otherwise malformed."""
class MultipartInvariantViolationDefect(MessageDefect):
"""A message claimed to be a multipart but no subparts were found."""
PK f�\��x x
message.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Basic message object for the email package object model."""
__all__ = ['Message']
import re
import uu
import binascii
import warnings
from cStringIO import StringIO
# Intrapackage imports
import email.charset
from email import utils
from email import errors
SEMISPACE = '; '
# Regular expression that matches `special' characters in parameters, the
# existence of which force quoting of the parameter value.
tspecials = re.compile(r'[ \(\)<>@,;:\\"/\[\]\?=]')
# Helper functions
def _splitparam(param):
# Split header parameters. BAW: this may be too simple. It isn't
# strictly RFC 2045 (section 5.1) compliant, but it catches most headers
# found in the wild. We may eventually need a full fledged parser
# eventually.
a, sep, b = param.partition(';')
if not sep:
return a.strip(), None
return a.strip(), b.strip()
def _formatparam(param, value=None, quote=True):
"""Convenience function to format and return a key=value pair.
This will quote the value if needed or if quote is true. If value is a
three tuple (charset, language, value), it will be encoded according
to RFC2231 rules.
"""
if value is not None and len(value) > 0:
# A tuple is used for RFC 2231 encoded parameter values where items
# are (charset, language, value). charset is a string, not a Charset
# instance.
if isinstance(value, tuple):
# Encode as per RFC 2231
param += '*'
value = utils.encode_rfc2231(value[2], value[0], value[1])
# BAW: Please check this. I think that if quote is set it should
# force quoting even if not necessary.
if quote or tspecials.search(value):
return '%s="%s"' % (param, utils.quote(value))
else:
return '%s=%s' % (param, value)
else:
return param
def _parseparam(s):
plist = []
while s[:1] == ';':
s = s[1:]
end = s.find(';')
while end > 0 and (s.count('"', 0, end) - s.count('\\"', 0, end)) % 2:
end = s.find(';', end + 1)
if end < 0:
end = len(s)
f = s[:end]
if '=' in f:
i = f.index('=')
f = f[:i].strip().lower() + '=' + f[i+1:].strip()
plist.append(f.strip())
s = s[end:]
return plist
def _unquotevalue(value):
# This is different than utils.collapse_rfc2231_value() because it doesn't
# try to convert the value to a unicode. Message.get_param() and
# Message.get_params() are both currently defined to return the tuple in
# the face of RFC 2231 parameters.
if isinstance(value, tuple):
return value[0], value[1], utils.unquote(value[2])
else:
return utils.unquote(value)
class Message:
"""Basic message object.
A message object is defined as something that has a bunch of RFC 2822
headers and a payload. It may optionally have an envelope header
(a.k.a. Unix-From or From_ header). If the message is a container (i.e. a
multipart or a message/rfc822), then the payload is a list of Message
objects, otherwise it is a string.
Message objects implement part of the `mapping' interface, which assumes
there is exactly one occurrence of the header per message. Some headers
do in fact appear multiple times (e.g. Received) and for those headers,
you must use the explicit API to set or get all the headers. Not all of
the mapping methods are implemented.
"""
def __init__(self):
self._headers = []
self._unixfrom = None
self._payload = None
self._charset = None
# Defaults for multipart messages
self.preamble = self.epilogue = None
self.defects = []
# Default content type
self._default_type = 'text/plain'
def __str__(self):
"""Return the entire formatted message as a string.
This includes the headers, body, and envelope header.
"""
return self.as_string(unixfrom=True)
def as_string(self, unixfrom=False):
"""Return the entire formatted message as a string.
Optional `unixfrom' when True, means include the Unix From_ envelope
header.
This is a convenience method and may not generate the message exactly
as you intend because by default it mangles lines that begin with
"From ". For more flexibility, use the flatten() method of a
Generator instance.
"""
from email.generator import Generator
fp = StringIO()
g = Generator(fp)
g.flatten(self, unixfrom=unixfrom)
return fp.getvalue()
def is_multipart(self):
"""Return True if the message consists of multiple parts."""
return isinstance(self._payload, list)
#
# Unix From_ line
#
def set_unixfrom(self, unixfrom):
self._unixfrom = unixfrom
def get_unixfrom(self):
return self._unixfrom
#
# Payload manipulation.
#
def attach(self, payload):
"""Add the given payload to the current payload.
The current payload will always be a list of objects after this method
is called. If you want to set the payload to a scalar object, use
set_payload() instead.
"""
if self._payload is None:
self._payload = [payload]
else:
self._payload.append(payload)
def get_payload(self, i=None, decode=False):
"""Return a reference to the payload.
The payload will either be a list object or a string. If you mutate
the list object, you modify the message's payload in place. Optional
i returns that index into the payload.
Optional decode is a flag indicating whether the payload should be
decoded or not, according to the Content-Transfer-Encoding header
(default is False).
When True and the message is not a multipart, the payload will be
decoded if this header's value is `quoted-printable' or `base64'. If
some other encoding is used, or the header is missing, or if the
payload has bogus data (i.e. bogus base64 or uuencoded data), the
payload is returned as-is.
If the message is a multipart and the decode flag is True, then None
is returned.
"""
if i is None:
payload = self._payload
elif not isinstance(self._payload, list):
raise TypeError('Expected list, got %s' % type(self._payload))
else:
payload = self._payload[i]
if decode:
if self.is_multipart():
return None
cte = self.get('content-transfer-encoding', '').lower()
if cte == 'quoted-printable':
return utils._qdecode(payload)
elif cte == 'base64':
try:
return utils._bdecode(payload)
except binascii.Error:
# Incorrect padding
return payload
elif cte in ('x-uuencode', 'uuencode', 'uue', 'x-uue'):
sfp = StringIO()
try:
uu.decode(StringIO(payload+'\n'), sfp, quiet=True)
payload = sfp.getvalue()
except uu.Error:
# Some decoding problem
return payload
# Everything else, including encodings with 8bit or 7bit are returned
# unchanged.
return payload
def set_payload(self, payload, charset=None):
"""Set the payload to the given value.
Optional charset sets the message's default character set. See
set_charset() for details.
"""
self._payload = payload
if charset is not None:
self.set_charset(charset)
def set_charset(self, charset):
"""Set the charset of the payload to a given character set.
charset can be a Charset instance, a string naming a character set, or
None. If it is a string it will be converted to a Charset instance.
If charset is None, the charset parameter will be removed from the
Content-Type field. Anything else will generate a TypeError.
The message will be assumed to be of type text/* encoded with
charset.input_charset. It will be converted to charset.output_charset
and encoded properly, if needed, when generating the plain text
representation of the message. MIME headers (MIME-Version,
Content-Type, Content-Transfer-Encoding) will be added as needed.
"""
if charset is None:
self.del_param('charset')
self._charset = None
return
if isinstance(charset, basestring):
charset = email.charset.Charset(charset)
if not isinstance(charset, email.charset.Charset):
raise TypeError(charset)
# BAW: should we accept strings that can serve as arguments to the
# Charset constructor?
self._charset = charset
if 'MIME-Version' not in self:
self.add_header('MIME-Version', '1.0')
if 'Content-Type' not in self:
self.add_header('Content-Type', 'text/plain',
charset=charset.get_output_charset())
else:
self.set_param('charset', charset.get_output_charset())
if isinstance(self._payload, unicode):
self._payload = self._payload.encode(charset.output_charset)
if str(charset) != charset.get_output_charset():
self._payload = charset.body_encode(self._payload)
if 'Content-Transfer-Encoding' not in self:
cte = charset.get_body_encoding()
try:
cte(self)
except TypeError:
self._payload = charset.body_encode(self._payload)
self.add_header('Content-Transfer-Encoding', cte)
def get_charset(self):
"""Return the Charset instance associated with the message's payload.
"""
return self._charset
#
# MAPPING INTERFACE (partial)
#
def __len__(self):
"""Return the total number of headers, including duplicates."""
return len(self._headers)
def __getitem__(self, name):
"""Get a header value.
Return None if the header is missing instead of raising an exception.
Note that if the header appeared multiple times, exactly which
occurrence gets returned is undefined. Use get_all() to get all
the values matching a header field name.
"""
return self.get(name)
def __setitem__(self, name, val):
"""Set the value of a header.
Note: this does not overwrite an existing header with the same field
name. Use __delitem__() first to delete any existing headers.
"""
self._headers.append((name, val))
def __delitem__(self, name):
"""Delete all occurrences of a header, if present.
Does not raise an exception if the header is missing.
"""
name = name.lower()
newheaders = []
for k, v in self._headers:
if k.lower() != name:
newheaders.append((k, v))
self._headers = newheaders
def __contains__(self, name):
return name.lower() in [k.lower() for k, v in self._headers]
def has_key(self, name):
"""Return true if the message contains the header."""
missing = object()
return self.get(name, missing) is not missing
def keys(self):
"""Return a list of all the message's header field names.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
"""
return [k for k, v in self._headers]
def values(self):
"""Return a list of all the message's header values.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
"""
return [v for k, v in self._headers]
def items(self):
"""Get all the message's header fields and values.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
"""
return self._headers[:]
def get(self, name, failobj=None):
"""Get a header value.
Like __getitem__() but return failobj instead of None when the field
is missing.
"""
name = name.lower()
for k, v in self._headers:
if k.lower() == name:
return v
return failobj
#
# Additional useful stuff
#
def get_all(self, name, failobj=None):
"""Return a list of all the values for the named field.
These will be sorted in the order they appeared in the original
message, and may contain duplicates. Any fields deleted and
re-inserted are always appended to the header list.
If no such fields exist, failobj is returned (defaults to None).
"""
values = []
name = name.lower()
for k, v in self._headers:
if k.lower() == name:
values.append(v)
if not values:
return failobj
return values
def add_header(self, _name, _value, **_params):
"""Extended header setting.
name is the header field to add. keyword arguments can be used to set
additional parameters for the header field, with underscores converted
to dashes. Normally the parameter will be added as key="value" unless
value is None, in which case only the key will be added. If a
parameter value contains non-ASCII characters it must be specified as a
three-tuple of (charset, language, value), in which case it will be
encoded according to RFC2231 rules.
Example:
msg.add_header('content-disposition', 'attachment', filename='bud.gif')
"""
parts = []
for k, v in _params.items():
if v is None:
parts.append(k.replace('_', '-'))
else:
parts.append(_formatparam(k.replace('_', '-'), v))
if _value is not None:
parts.insert(0, _value)
self._headers.append((_name, SEMISPACE.join(parts)))
def replace_header(self, _name, _value):
"""Replace a header.
Replace the first matching header found in the message, retaining
header order and case. If no matching header was found, a KeyError is
raised.
"""
_name = _name.lower()
for i, (k, v) in zip(range(len(self._headers)), self._headers):
if k.lower() == _name:
self._headers[i] = (k, _value)
break
else:
raise KeyError(_name)
#
# Use these three methods instead of the three above.
#
def get_content_type(self):
"""Return the message's content type.
The returned string is coerced to lower case of the form
`maintype/subtype'. If there was no Content-Type header in the
message, the default type as given by get_default_type() will be
returned. Since according to RFC 2045, messages always have a default
type this will always return a value.
RFC 2045 defines a message's default type to be text/plain unless it
appears inside a multipart/digest container, in which case it would be
message/rfc822.
"""
missing = object()
value = self.get('content-type', missing)
if value is missing:
# This should have no parameters
return self.get_default_type()
ctype = _splitparam(value)[0].lower()
# RFC 2045, section 5.2 says if its invalid, use text/plain
if ctype.count('/') != 1:
return 'text/plain'
return ctype
def get_content_maintype(self):
"""Return the message's main content type.
This is the `maintype' part of the string returned by
get_content_type().
"""
ctype = self.get_content_type()
return ctype.split('/')[0]
def get_content_subtype(self):
"""Returns the message's sub-content type.
This is the `subtype' part of the string returned by
get_content_type().
"""
ctype = self.get_content_type()
return ctype.split('/')[1]
def get_default_type(self):
"""Return the `default' content type.
Most messages have a default content type of text/plain, except for
messages that are subparts of multipart/digest containers. Such
subparts have a default content type of message/rfc822.
"""
return self._default_type
def set_default_type(self, ctype):
"""Set the `default' content type.
ctype should be either "text/plain" or "message/rfc822", although this
is not enforced. The default content type is not stored in the
Content-Type header.
"""
self._default_type = ctype
def _get_params_preserve(self, failobj, header):
# Like get_params() but preserves the quoting of values. BAW:
# should this be part of the public interface?
missing = object()
value = self.get(header, missing)
if value is missing:
return failobj
params = []
for p in _parseparam(';' + value):
try:
name, val = p.split('=', 1)
name = name.strip()
val = val.strip()
except ValueError:
# Must have been a bare attribute
name = p.strip()
val = ''
params.append((name, val))
params = utils.decode_params(params)
return params
def get_params(self, failobj=None, header='content-type', unquote=True):
"""Return the message's Content-Type parameters, as a list.
The elements of the returned list are 2-tuples of key/value pairs, as
split on the `=' sign. The left hand side of the `=' is the key,
while the right hand side is the value. If there is no `=' sign in
the parameter the value is the empty string. The value is as
described in the get_param() method.
Optional failobj is the object to return if there is no Content-Type
header. Optional header is the header to search instead of
Content-Type. If unquote is True, the value is unquoted.
"""
missing = object()
params = self._get_params_preserve(missing, header)
if params is missing:
return failobj
if unquote:
return [(k, _unquotevalue(v)) for k, v in params]
else:
return params
def get_param(self, param, failobj=None, header='content-type',
unquote=True):
"""Return the parameter value if found in the Content-Type header.
Optional failobj is the object to return if there is no Content-Type
header, or the Content-Type header has no such parameter. Optional
header is the header to search instead of Content-Type.
Parameter keys are always compared case insensitively. The return
value can either be a string, or a 3-tuple if the parameter was RFC
2231 encoded. When it's a 3-tuple, the elements of the value are of
the form (CHARSET, LANGUAGE, VALUE). Note that both CHARSET and
LANGUAGE can be None, in which case you should consider VALUE to be
encoded in the us-ascii charset. You can usually ignore LANGUAGE.
Your application should be prepared to deal with 3-tuple return
values, and can convert the parameter to a Unicode string like so:
param = msg.get_param('foo')
if isinstance(param, tuple):
param = unicode(param[2], param[0] or 'us-ascii')
In any case, the parameter value (either the returned string, or the
VALUE item in the 3-tuple) is always unquoted, unless unquote is set
to False.
"""
if header not in self:
return failobj
for k, v in self._get_params_preserve(failobj, header):
if k.lower() == param.lower():
if unquote:
return _unquotevalue(v)
else:
return v
return failobj
def set_param(self, param, value, header='Content-Type', requote=True,
charset=None, language=''):
"""Set a parameter in the Content-Type header.
If the parameter already exists in the header, its value will be
replaced with the new value.
If header is Content-Type and has not yet been defined for this
message, it will be set to "text/plain" and the new parameter and
value will be appended as per RFC 2045.
An alternate header can be specified in the header argument, and all
parameters will be quoted as necessary unless requote is False.
If charset is specified, the parameter will be encoded according to RFC
2231. Optional language specifies the RFC 2231 language, defaulting
to the empty string. Both charset and language should be strings.
"""
if not isinstance(value, tuple) and charset:
value = (charset, language, value)
if header not in self and header.lower() == 'content-type':
ctype = 'text/plain'
else:
ctype = self.get(header)
if not self.get_param(param, header=header):
if not ctype:
ctype = _formatparam(param, value, requote)
else:
ctype = SEMISPACE.join(
[ctype, _formatparam(param, value, requote)])
else:
ctype = ''
for old_param, old_value in self.get_params(header=header,
unquote=requote):
append_param = ''
if old_param.lower() == param.lower():
append_param = _formatparam(param, value, requote)
else:
append_param = _formatparam(old_param, old_value, requote)
if not ctype:
ctype = append_param
else:
ctype = SEMISPACE.join([ctype, append_param])
if ctype != self.get(header):
del self[header]
self[header] = ctype
def del_param(self, param, header='content-type', requote=True):
"""Remove the given parameter completely from the Content-Type header.
The header will be re-written in place without the parameter or its
value. All values will be quoted as necessary unless requote is
False. Optional header specifies an alternative to the Content-Type
header.
"""
if header not in self:
return
new_ctype = ''
for p, v in self.get_params(header=header, unquote=requote):
if p.lower() != param.lower():
if not new_ctype:
new_ctype = _formatparam(p, v, requote)
else:
new_ctype = SEMISPACE.join([new_ctype,
_formatparam(p, v, requote)])
if new_ctype != self.get(header):
del self[header]
self[header] = new_ctype
def set_type(self, type, header='Content-Type', requote=True):
"""Set the main type and subtype for the Content-Type header.
type must be a string in the form "maintype/subtype", otherwise a
ValueError is raised.
This method replaces the Content-Type header, keeping all the
parameters in place. If requote is False, this leaves the existing
header's quoting as is. Otherwise, the parameters will be quoted (the
default).
An alternative header can be specified in the header argument. When
the Content-Type header is set, we'll always also add a MIME-Version
header.
"""
# BAW: should we be strict?
if not type.count('/') == 1:
raise ValueError
# Set the Content-Type, you get a MIME-Version
if header.lower() == 'content-type':
del self['mime-version']
self['MIME-Version'] = '1.0'
if header not in self:
self[header] = type
return
params = self.get_params(header=header, unquote=requote)
del self[header]
self[header] = type
# Skip the first param; it's the old type.
for p, v in params[1:]:
self.set_param(p, v, header, requote)
def get_filename(self, failobj=None):
"""Return the filename associated with the payload if present.
The filename is extracted from the Content-Disposition header's
`filename' parameter, and it is unquoted. If that header is missing
the `filename' parameter, this method falls back to looking for the
`name' parameter.
"""
missing = object()
filename = self.get_param('filename', missing, 'content-disposition')
if filename is missing:
filename = self.get_param('name', missing, 'content-type')
if filename is missing:
return failobj
return utils.collapse_rfc2231_value(filename).strip()
def get_boundary(self, failobj=None):
"""Return the boundary associated with the payload if present.
The boundary is extracted from the Content-Type header's `boundary'
parameter, and it is unquoted.
"""
missing = object()
boundary = self.get_param('boundary', missing)
if boundary is missing:
return failobj
# RFC 2046 says that boundaries may begin but not end in w/s
return utils.collapse_rfc2231_value(boundary).rstrip()
def set_boundary(self, boundary):
"""Set the boundary parameter in Content-Type to 'boundary'.
This is subtly different than deleting the Content-Type header and
adding a new one with a new boundary parameter via add_header(). The
main difference is that using the set_boundary() method preserves the
order of the Content-Type header in the original message.
HeaderParseError is raised if the message has no Content-Type header.
"""
missing = object()
params = self._get_params_preserve(missing, 'content-type')
if params is missing:
# There was no Content-Type header, and we don't know what type
# to set it to, so raise an exception.
raise errors.HeaderParseError('No Content-Type header found')
newparams = []
foundp = False
for pk, pv in params:
if pk.lower() == 'boundary':
newparams.append(('boundary', '"%s"' % boundary))
foundp = True
else:
newparams.append((pk, pv))
if not foundp:
# The original Content-Type header had no boundary attribute.
# Tack one on the end. BAW: should we raise an exception
# instead???
newparams.append(('boundary', '"%s"' % boundary))
# Replace the existing Content-Type header with the new value
newheaders = []
for h, v in self._headers:
if h.lower() == 'content-type':
parts = []
for k, v in newparams:
if v == '':
parts.append(k)
else:
parts.append('%s=%s' % (k, v))
newheaders.append((h, SEMISPACE.join(parts)))
else:
newheaders.append((h, v))
self._headers = newheaders
def get_content_charset(self, failobj=None):
"""Return the charset parameter of the Content-Type header.
The returned string is always coerced to lower case. If there is no
Content-Type header, or if that header has no charset parameter,
failobj is returned.
"""
missing = object()
charset = self.get_param('charset', missing)
if charset is missing:
return failobj
if isinstance(charset, tuple):
# RFC 2231 encoded, so decode it, and it better end up as ascii.
pcharset = charset[0] or 'us-ascii'
try:
# LookupError will be raised if the charset isn't known to
# Python. UnicodeError will be raised if the encoded text
# contains a character not in the charset.
charset = unicode(charset[2], pcharset).encode('us-ascii')
except (LookupError, UnicodeError):
charset = charset[2]
# charset character must be in us-ascii range
try:
if isinstance(charset, str):
charset = unicode(charset, 'us-ascii')
charset = charset.encode('us-ascii')
except UnicodeError:
return failobj
# RFC 2046, $4.1.2 says charsets are not case sensitive
return charset.lower()
def get_charsets(self, failobj=None):
"""Return a list containing the charset(s) used in this message.
The returned list of items describes the Content-Type headers'
charset parameter for this message and all the subparts in its
payload.
Each item will either be a string (the value of the charset parameter
in the Content-Type header of that part) or the value of the
'failobj' parameter (defaults to None), if the part does not have a
main MIME type of "text", or the charset is not defined.
The list will contain one string for each part of the message, plus
one for the container message (i.e. self), so that a non-multipart
message will still return a list of length 1.
"""
return [part.get_content_charset(failobj) for part in self.walk()]
# I.e. def walk(self): ...
from email.iterators import walk
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header. When a header line is longer (in characters, with tabs
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R R R R" R! RA R0 RR RT RZ R[ ( ( ( s' /usr/lib64/python2.7/email/generator.pyR s 9 sD [Non-text (%(type)s) part of message omitted, filename %(filename)s]c B s) e Z d Z e d d d � Z d � Z RS( s� Generates a text representation of a message.
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with a format string representing the part.
iN c C s; t j | | | | � | d k r. t | _ n | | _ d S( s� Like Generator.__init__() except that an additional optional
argument is allowed.
Walks through all subparts of a message. If the subpart is of main
type `text', then it prints the decoded payload of the subpart.
Otherwise, fmt is a format string that is used instead of the message
payload. fmt is expanded with the following keywords (in
%(keyword)s format):
type : Full MIME type of the non-text part
maintype : Main MIME type of the non-text part
subtype : Sub-MIME type of the non-text part
filename : Filename of the non-text part
description: Description associated with the non-text part
encoding : Content transfer encoding of the non-text part
The default value for fmt is None, meaning
[Non-text (%(type)s) part of message omitted, filename %(filename)s]
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e � qIWd% S(5 s? A package for parsing, handling, and generating email messages.s 4.0.3t
base64MIMEt Charsett Encoderst Errorst Generatort Headert Iteratorst Messaget MIMEAudiot MIMEBaset MIMEImaget MIMEMessaget
MIMEMultipartt MIMENonMultipartt MIMETextt Parsert
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base64mimet charsett encoderst errorst generatort headert iteratorst messaget mimet parsert
quoprimimet utilsc O s& d d l m } | | | � j | � S( sv Parse a string into a Message object model.
Optional _class and strict are passed to the Parser constructor.
i����( R ( t email.parserR t parsestr( t st argst kwsR ( ( s& /usr/lib64/python2.7/email/__init__.pyR 3 s c O s& d d l m } | | | � j | � S( s� Read a file and parse its contents into a Message object model.
Optional _class and strict are passed to the Parser constructor.
i����( R ( R R t parse( t fpR# R$ R ( ( s& /usr/lib64/python2.7/email/__init__.pyR < s i����Nt LazyImporterc B s e Z d � Z d � Z RS( c C s d | | _ d S( Ns email.( t __name__( t selft module_name( ( s& /usr/lib64/python2.7/email/__init__.pyt __init__K s c C s= t | j � t j | j } | j j | j � t | | � S( N( t
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PK f�\.@���4 �4 charset.pycnu �[��� �
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d" 6d d# 6d d$ 6d d% 6d d& 6d d' 6d d( 6d d) 6d d* 6d d+ 6d d, 6d d- 6d d. 6d d/ 6d d0 6d d1 6d d2 6d d3 6d d4 6d5 d6 6d d7 6d8 d9 6d d: 6Z i d; d 6d< d 6d d 6Z d d d d= � Z d> � Z d? � Z d dB d@ � � YZ d S(C t Charsett add_aliast add_charsett add_codeci����N( t errors( t encode_7or8biti i i i s us-asciis
iso-8859-1s
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iso-8859-9s iso-8859-10s iso-8859-13s iso-8859-14s iso-8859-15s iso-8859-16s windows-1252t visciit big5t gb2312s iso-2022-jps euc-jpt shift_jiss koi8-rs utf-8t 8bitt latin_1s latin-1t latin_2s latin-2t latin_3s latin-3t latin_4s latin-4t latin_5s latin-5t latin_6s latin-6t latin_7s latin-7t latin_8s latin-8t latin_9s latin-9t latin_10s latin-10s ks_c_5601-1987t cp949t euc_jps euc-krt euc_krt asciit eucgb2312_cnt big5_twc C s2 | t k r t d � � n | | | f t | <d S( s> Add character set properties to the global registry.
charset is the input character set, and must be the canonical name of a
character set.
Optional header_enc and body_enc is either Charset.QP for
quoted-printable, Charset.BASE64 for base64 encoding, Charset.SHORTEST for
the shortest of qp or base64 encoding, or None for no encoding. SHORTEST
is only valid for header_enc. It describes how message headers and
message bodies in the input charset are to be encoded. Default is no
encoding.
Optional output_charset is the character set that the output should be
in. Conversions will proceed from input charset, to Unicode, to the
output charset when the method Charset.convert() is called. The default
is to output in the same character set as the input.
Both input_charset and output_charset must have Unicode codec entries in
the module's charset-to-codec mapping; use add_codec(charset, codecname)
to add codecs the module does not know about. See the codecs module's
documentation for more information.
s! SHORTEST not allowed for body_encN( t SHORTESTt
ValueErrort CHARSETS( t charsett
header_enct body_enct output_charset( ( s% /usr/lib64/python2.7/email/charset.pyR l s c C s | t | <d S( s� Add a character set alias.
alias is the alias name, e.g. latin-1
canonical is the character set's canonical name, e.g. iso-8859-1
N( t ALIASES( t aliast canonical( ( s% /usr/lib64/python2.7/email/charset.pyR � s c C s | t | <d S( s$ Add a codec that map characters in the given charset to/from Unicode.
charset is the canonical name of a character set. codecname is the name
of a Python codec, as appropriate for the second argument to the unicode()
built-in, or to the encode() method of a Unicode string.
N( t CODEC_MAP( R t codecname( ( s% /usr/lib64/python2.7/email/charset.pyR � s c B s� e Z d Z e d � Z d � Z e Z d � Z d � Z d � Z d � Z
d � Z e d � Z
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s@ Map character sets to their email properties.
This class provides information about the requirements imposed on email
for a specific character set. It also provides convenience routines for
converting between character sets, given the availability of the
applicable codecs. Given a character set, it will do its best to provide
information on how to use that character set in an email in an
RFC-compliant way.
Certain character sets must be encoded with quoted-printable or base64
when used in email headers or bodies. Certain character sets must be
converted outright, and are not allowed in email. Instances of this
module expose the following information about a character set:
input_charset: The initial character set specified. Common aliases
are converted to their `official' email names (e.g. latin_1
is converted to iso-8859-1). Defaults to 7-bit us-ascii.
header_encoding: If the character set must be encoded before it can be
used in an email header, this attribute will be set to
Charset.QP (for quoted-printable), Charset.BASE64 (for
base64 encoding), or Charset.SHORTEST for the shortest of
QP or BASE64 encoding. Otherwise, it will be None.
body_encoding: Same as header_encoding, but describes the encoding for the
mail message's body, which indeed may be different than the
header encoding. Charset.SHORTEST is not allowed for
body_encoding.
output_charset: Some character sets must be converted before they can be
used in email headers or bodies. If the input_charset is
one of them, this attribute will contain the name of the
charset output will be converted to. Otherwise, it will
be None.
input_codec: The name of the Python codec used to convert the
input_charset to Unicode. If no conversion codec is
necessary, this attribute will be None.
output_codec: The name of the Python codec used to convert Unicode
to the output_charset. If no conversion codec is necessary,
this attribute will have the same value as the input_codec.
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| j j � S( N( R2 R, ( R9 ( ( s% /usr/lib64/python2.7/email/charset.pyt __str__� s c C s t | � t | � j � k S( N( t strR, ( R9 t other( ( s% /usr/lib64/python2.7/email/charset.pyt __eq__� s c C s | j | � S( N( RA ( R9 R@ ( ( s% /usr/lib64/python2.7/email/charset.pyt __ne__� s c C sC | j t k s t � | j t k r( d S| j t k r; d St Sd S( sC Return the content-transfer-encoding used for body encoding.
This is either the string `quoted-printable' or `base64' depending on
the encoding used, or it is a function in which case you should call
the function with a single argument, the Message object being
encoded. The function should then set the Content-Transfer-Encoding
header itself to whatever is appropriate.
Returns "quoted-printable" if self.body_encoding is QP.
Returns "base64" if self.body_encoding is BASE64.
Returns "7bit" otherwise.
s quoted-printablet base64N( R6 R t AssertionErrort QPR3 R ( R9 ( ( s% /usr/lib64/python2.7/email/charset.pyt get_body_encoding� s
c C s6 | j | j k r. t | | j � j | j � S| Sd S( s: Convert a string from the input_codec to the output_codec.N( R7 R8 R( R) ( R9 t s( ( s% /usr/lib64/python2.7/email/charset.pyt convert s c C sR t | t � s | j d k r" | Sy t | | j d � SWn t k
rM | SXd S( s� Convert a possibly multibyte string to a safely splittable format.
Uses the input_codec to try and convert the string to Unicode, so it
can be safely split on character boundaries (even for multibyte
characters).
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Unicode with the input_charset.
Characters that could not be converted to Unicode will be replaced
with the Unicode replacement character U+FFFD.
t replaceN( R' R( R7 R4 R0 ( R9 RG ( ( s% /usr/lib64/python2.7/email/charset.pyt
to_splittable s
c C sh | r | j } n | j } t | t � s7 | d k r; | Sy | j | d � SWn t k
rc | SXd S( s* Convert a splittable string back into an encoded string.
Uses the proper codec to try and convert the string from Unicode back
into an encoded format. Return the string as-is if it is not Unicode,
or if it could not be converted from Unicode.
Characters that could not be converted from Unicode will be replaced
with an appropriate character (usually '?').
If to_output is True (the default), uses output_codec to convert to an
encoded format. If to_output is False, uses input_codec.
RI N( R8 R7 R' R( R4 R) R0 ( R9 t ustrt to_outputt codec( ( s% /usr/lib64/python2.7/email/charset.pyt from_splittable+ s
c C s | j p | j S( s� Return the output character set.
This is self.output_charset if that is not None, otherwise it is
self.input_charset.
( R! R2 ( R9 ( ( s% /usr/lib64/python2.7/email/charset.pyt get_output_charsetD s c C s� | j � } | j t k r9 t j j | � t | � t S| j t k rf t j j
| � t | � t S| j t k r� t j j | � } t j j
| � } t | | � t | � t St | � Sd S( s/ Return the length of the encoded header string.N(
RO R5 R3 t emailt
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quoprimimet header_quopri_lenR t min( R9 RG t csett lenb64t lenqp( ( s% /usr/lib64/python2.7/email/charset.pyt encoded_header_lenL s c C s� | j � } | r$ | j | � } n | j t k rF t j j | | � S| j t k rn t j j | | d d �S| j t
k r� t j j | � } t j j | � } | | k r� t j j | | � St j j | | d d �Sn | Sd S( sE Header-encode a string, optionally converting it to output_charset.
If convert is True, the string will be converted from the input
charset to the output charset automatically. This is not useful for
multibyte character sets, which have line length issues (multibyte
characters must be split on a character, not a byte boundary); use the
high-level Header class to deal with these issues. convert defaults
to False.
The type of encoding (base64 or quoted-printable) will be based on
self.header_encoding.
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maxlinelenN(
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header_encodeRE RU R4 R RR RV ( R9 RG RH RX RY RZ ( ( s% /usr/lib64/python2.7/email/charset.pyR] [ s
c C s^ | r | j | � } n | j t k r7 t j j | � S| j t k rV t j j | � S| Sd S( s� Body-encode a string and convert it to output_charset.
If convert is True (the default), the string will be converted from
the input charset to output charset automatically. Unlike
header_encode(), there are no issues with byte boundaries and
multibyte charsets in email bodies, so this is usually pretty safe.
The type of encoding (base64 or quoted-printable) will be based on
self.body_encoding.
N( RH R6 R3 RP RQ t body_encodeRE RU ( R9 RG RH ( ( s% /usr/lib64/python2.7/email/charset.pyR^ z s ( t __name__t
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=\? # literal =?
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\n[^ \t]+:c C sG t | � } t j | � s( | d f g Sg } d } x | j � D]�} t j | � so | j | d f � qA n t j | � } x�| r>| j d � j � } | r� | r� | d d d k r� | d d t | d f | d <q� | j | d f � n | r1g | d d !D] } | j
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5q� WqA W| S( s� Decode a message header value without converting charset.
Returns a list of (decoded_string, charset) pairs containing each of the
decoded parts of the header. Charset is None for non-encoded parts of the
header, otherwise a lower-case string containing the name of the character
set specified in the encoded string.
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occurs (e.g. a base64 decoding exception).
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'c C sq t d | d | d | � } xO | D]G \ } } | d k rY t | t � rY t | � } n | j | | � q" W| S( s� Create a Header from a sequence of pairs as returned by decode_header()
decode_header() takes a header value string and returns a sequence of
pairs of the format (decoded_string, charset) where charset is the string
name of the character set.
This function takes one of those sequence of pairs and returns a Header
instance. Optional maxlinelen, header_name, and continuation_ws are as in
the Header constructor.
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� Z d d � Z RS( R t strictc C s� | d k r t } n t | t � s3 t | � } n | | _ | | _ t | j d t � � } g | _ | d k r� | j
| | | � n | d k r� t } n | d k r� | | _ n | t | � d | _ | | | _
d S( s Create a MIME-compliant header that can contain many character sets.
Optional s is the initial header value. If None, the initial header
value is not set. You can later append to the header with .append()
method calls. s may be a byte string or a Unicode string, but see the
.append() documentation for semantics.
Optional charset serves two purposes: it has the same meaning as the
charset argument to the .append() method. It also sets the default
character set for all subsequent .append() calls that omit the charset
argument. If charset is not provided in the constructor, the us-ascii
charset is used both as s's initial charset and as the default for
subsequent .append() calls.
The maximum line length can be specified explicit via maxlinelen. For
splitting the first line to a shorter value (to account for the field
header which isn't included in s, e.g. `Subject') pass in the name of
the field in header_name. The default maxlinelen is 76.
continuation_ws must be RFC 2822 compliant folding whitespace (usually
either a space or a hard tab) which will be prepended to continuation
lines.
errors is passed through to the .append() call.
s i N( R t USASCIIR* R t _charsett _continuation_wsR t replacet SPACE8t _chunksR t
MAXLINELENt
_firstlinelent _maxlinelen( t selfR" R# R' R( R) t errorst cws_expanded_len( ( s$ /usr/lib64/python2.7/email/header.pyt __init__� s c C s
| j � S( s A synonym for self.encode().( t encode( R7 ( ( s$ /usr/lib64/python2.7/email/header.pyt __str__� s c C s� g } d } x� | j D]� \ } } | } | r~ | d k r_ | d k r{ | j t � d } q{ q~ | d k r~ | j t � q~ n | } | j t | t | � � � q Wt j | � S( s) Helper for the built-in unicode function.s us-asciiN( Ns us-ascii( Ns us-ascii( Ns us-ascii( R R3 R t USPACEt unicodeR t UEMPTYSTRINGt join( R7 t uchunkst lastcsR" R# t nextcs( ( s$ /usr/lib64/python2.7/email/header.pyt __unicode__� s
c C s | | j � k S( N( R; ( R7 t other( ( s$ /usr/lib64/python2.7/email/header.pyt __eq__� s c C s | | k S( N( ( R7 RE ( ( s$ /usr/lib64/python2.7/email/header.pyt __ne__� s c C s) | d k r | j } n t | t � s6 t | � } n | d k rt | t � r� | j p] d } t | | | � } | j p~ d } | j | | � qt | t � rxf t | t
f D]@ } y& | j p� d } | j | | � } PWq� t k
r� q� Xq� Wt s t
d � � qn | j j | | f � d S( s> Append a string to the MIME header.
Optional charset, if given, should be a Charset instance or the name
of a character set (which will be converted to a Charset instance). A
value of None (the default) means that the charset given in the
constructor is used.
s may be a byte string or a Unicode string. If it is a byte string
(i.e. isinstance(s, str) is true), then charset is the encoding of
that byte string, and a UnicodeError will be raised if the string
cannot be decoded with that charset. If s is a Unicode string, then
charset is a hint specifying the character set of the characters in
the string. In this case, when producing an RFC 2822 compliant header
using RFC 2047 rules, the Unicode string will be encoded using the
following charsets in order: us-ascii, the charset hint, utf-8. The
first character set not to provoke a UnicodeError is used.
Optional `errors' is passed as the third argument to any unicode() or
ustr.encode() call.
t 8bits us-asciis utf-8 conversion failedN( R R/ R* R R t input_codecR> t output_codecR; R. t UTF8t UnicodeErrort Falset AssertionErrorR3 R ( R7 R" R# R8 t incodect ustrt outcodec( ( s$ /usr/lib64/python2.7/email/header.pyR � s(
c C s0 | j | � } | j | t � } | j | � } | | k rI | | f g S| d k rb | | f g S| d k r� | j | | | | � S| t | � k r� | } | j | | t � } | j | | t � }
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|
| j |
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t
to_splittablet from_splittablet Truet encoded_header_lent _split_asciiR RM t _binsplitt _splitR6 ( R7 R" R# R' t
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splittableR% t elent splitpntt firstt lastt fsplittablet fencodedt chunk( ( s$ /usr/lib64/python2.7/email/header.pyRX s$
c C s8 t | | | j | j | � } t | | g t | � � S( N( RV R6 R0 t zipR ( R7 R" R# t firstlenRY t chunks( ( s$ /usr/lib64/python2.7/email/header.pyRV N s c C s� g } x� | D]� \ } } | s% q
n | d k s@ | j d k rI | } n | j | � } | rz | d j d � rz d } n d } t | | | | � q
Wt | j } | j | � S( Ni����R R ( R t header_encodingt
header_encodet endswitht _max_appendt NLR0 R@ ( R7 t newchunksR' Rd R R# R" t extrat joiner( ( s$ /usr/lib64/python2.7/email/header.pyt _encode_chunksS s
s ;, c C s� g } | j } d } x~ | j D]s \ } } | | d } | | j d � k rW | } n | | j | | | | � 7} | d \ } } | j | � } q W| j | | � }
t j |
� r� t d j |
� � � n |
S( s� Encode a message header into an RFC-compliant format.
There are many issues involved in converting a given string for use in
an email header. Only certain character sets are readable in most
email clients, and as header strings can only contain a subset of
7-bit ASCII, care must be taken to properly convert and encode (with
Base64 or quoted-printable) header strings. In addition, there is a
75-character length limit on any given encoded header field, so
line-wrapping must be performed, even with double-byte character sets.
This method will do its best to convert the string to the correct
character set used in email, and encode and line wrap it safely with
the appropriate scheme for that character set.
If the given charset is not known or an error occurs during
conversion, this function will return the header untouched.
Optional splitchars is a string containing characters to split long
ASCII lines on, in rough support of RFC 2822's `highest level
syntactic breaks'. This doesn't affect RFC 2047 encoded lines.
i i R i����s8 header value appears to contain an embedded header: {!r}( R5 R3 RU RX Rm t _embeded_headerR R t format( R7 RY Rj R' t lastlenR" R# t targetlent lastchunkt lastcharsett value( ( s$ /usr/lib64/python2.7/email/header.pyR; v s N(
t __name__t
__module__R R: R< RD RF RG R RX RV Rm R; ( ( ( s$ /usr/lib64/python2.7/email/header.pyR � s 3 7 . #c C s| g } | } xi| j � D][} | j � } t | � | k rV | j | � | } q n x4 | D] } | | k r] Pq] q] W| j | � | } q t j d | � } | d k r� | }
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t | d � } | } q| j | � | | 7} qW| r | j | j | � � q q W| S( Ns %s\s*s ;,R R s i i i����( R
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RZ R# R' t it jt mRa t chunklenR] R^ ( ( s$ /usr/lib64/python2.7/email/header.pyRW � s (" t __doc__t __all__Rx R t email.quoprimimeR t email.base64mimet email.errorsR t
email.charsetR Ri R R= R2 R? R4 R. RK Ry t VERBOSEt
IGNORECASEt MULTILINER
R{ Rn R Rh R R R R RV RW ( ( ( s$ /usr/lib64/python2.7/email/header.pyt <module> s:
< � FPK f�\��% % mime/multipart.pynu �[��� # Copyright (C) 2002-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Base class for MIME multipart/* type messages."""
__all__ = ['MIMEMultipart']
from email.mime.base import MIMEBase
class MIMEMultipart(MIMEBase):
"""Base class for MIME multipart/* type messages."""
def __init__(self, _subtype='mixed', boundary=None, _subparts=None,
**_params):
"""Creates a multipart/* type message.
By default, creates a multipart/mixed message, with proper
Content-Type and MIME-Version headers.
_subtype is the subtype of the multipart content type, defaulting to
`mixed'.
boundary is the multipart boundary string. By default it is
calculated as needed.
_subparts is a sequence of initial subparts for the payload. It
must be an iterable object, such as a list. You can always
attach new subparts to the message by using the attach() method.
Additional parameters for the Content-Type header are taken from the
keyword arguments (or passed into the _params argument).
"""
MIMEBase.__init__(self, 'multipart', _subtype, **_params)
# Initialise _payload to an empty list as the Message superclass's
# implementation of is_multipart assumes that _payload is a list for
# multipart messages.
self._payload = []
if _subparts:
for p in _subparts:
self.attach(p)
if boundary:
self.set_boundary(boundary)
PK f�\y�] ] mime/audio.pycnu �[��� �
{ fc @ s� d Z d g Z d d l Z d d l m Z d d l m Z d d l m Z i d d 6d d
6d d 6d d
6Z d � Z
d e f d � � YZ d S( s/ Class representing audio/* type MIME documents.t MIMEAudioi����N( t StringIO( t encoders( t MIMENonMultipartt basict aus x-wavt wavs x-aifft aifft aifcc C sZ | d } t | � } x= t j D]2 } | | | � } | d k r t j | d � Sq Wd S( s Try to identify a sound file type.
sndhdr.what() has a pretty cruddy interface, unfortunately. This is why
we re-do it here. It would be easier to reverse engineer the Unix 'file'
command and use the standard 'magic' file, as shipped with a modern Unix.
i i N( R t sndhdrt testst Nonet _sndhdr_MIMEmapt get( t datat hdrt fakefilet testfnt res( ( s( /usr/lib64/python2.7/email/mime/audio.pyt _whatsnd s
c B s e Z d Z d e j d � Z RS( s, Class for generating audio/* MIME documents.c K sg | d k r t | � } n | d k r6 t d � � n t j | d | | � | j | � | | � d S( s Create an audio/* type MIME document.
_audiodata is a string containing the raw audio data. If this data
can be decoded by the standard Python `sndhdr' module, then the
subtype will be automatically included in the Content-Type header.
Otherwise, you can specify the specific audio subtype via the
_subtype parameter. If _subtype is not given, and no subtype can be
guessed, a TypeError is raised.
_encoder is a function which will perform the actual encoding for
transport of the image data. It takes one argument, which is this
Image instance. It should use get_payload() and set_payload() to
change the payload to the encoded form. It should also add any
Content-Transfer-Encoding or other headers to the message as
necessary. The default encoding is Base64.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
s! Could not find audio MIME subtypet audioN( R R t TypeErrorR t __init__t set_payload( t selft
_audiodatat _subtypet _encodert _params( ( s( /usr/lib64/python2.7/email/mime/audio.pyR - s
N( t __name__t
__module__t __doc__R R t
encode_base64R ( ( ( s( /usr/lib64/python2.7/email/mime/audio.pyR * s ( R t __all__R t cStringIOR t emailR t email.mime.nonmultipartR R R R ( ( ( s( /usr/lib64/python2.7/email/mime/audio.pyt <module> s
PK f�\��x x mime/nonmultipart.pyonu �[��� �
{ fc @ sI d Z d g Z d d l m Z d d l m Z d e f d � � YZ d S( s9 Base class for MIME type messages that are not multipart.t MIMENonMultiparti����( t errors( t MIMEBasec B s e Z d Z d � Z RS( s0 Base class for MIME non-multipart type messages.c C s t j d � � d S( Ns4 Cannot attach additional subparts to non-multipart/*( R t MultipartConversionError( t selft payload( ( s/ /usr/lib64/python2.7/email/mime/nonmultipart.pyt attach s ( t __name__t
__module__t __doc__R ( ( ( s/ /usr/lib64/python2.7/email/mime/nonmultipart.pyR s N( R t __all__t emailR t email.mime.baseR R ( ( ( s/ /usr/lib64/python2.7/email/mime/nonmultipart.pyt <module> s PK f�\b|��� � mime/message.pycnu �[��� �
{ fc @ sI d Z d g Z d d l m Z d d l m Z d e f d � � YZ d S( s, Class representing message/* MIME documents.t MIMEMessagei����( t message( t MIMENonMultipartc B s e Z d Z d d � Z RS( s, Class representing message/* MIME documents.t rfc822c C sX t j | d | � t | t j � s4 t d � � n t j j | | � | j d � d S( s� Create a message/* type MIME document.
_msg is a message object and must be an instance of Message, or a
derived class of Message, otherwise a TypeError is raised.
Optional _subtype defines the subtype of the contained message. The
default is "rfc822" (this is defined by the MIME standard, even though
the term "rfc822" is technically outdated by RFC 2822).
R s& Argument is not an instance of Messages message/rfc822N( R t __init__t
isinstanceR t Messaget TypeErrort attacht set_default_type( t selft _msgt _subtype( ( s* /usr/lib64/python2.7/email/mime/message.pyR s
( t __name__t
__module__t __doc__R ( ( ( s* /usr/lib64/python2.7/email/mime/message.pyR s N( R t __all__t emailR t email.mime.nonmultipartR R ( ( ( s* /usr/lib64/python2.7/email/mime/message.pyt <module> s PK f�\ mime/__init__.pynu �[��� PK f�\y�] ] mime/audio.pyonu �[��� �
{ fc @ s� d Z d g Z d d l Z d d l m Z d d l m Z d d l m Z i d d 6d d
6d d 6d d
6Z d � Z
d e f d � � YZ d S( s/ Class representing audio/* type MIME documents.t MIMEAudioi����N( t StringIO( t encoders( t MIMENonMultipartt basict aus x-wavt wavs x-aifft aifft aifcc C sZ | d } t | � } x= t j D]2 } | | | � } | d k r t j | d � Sq Wd S( s Try to identify a sound file type.
sndhdr.what() has a pretty cruddy interface, unfortunately. This is why
we re-do it here. It would be easier to reverse engineer the Unix 'file'
command and use the standard 'magic' file, as shipped with a modern Unix.
i i N( R t sndhdrt testst Nonet _sndhdr_MIMEmapt get( t datat hdrt fakefilet testfnt res( ( s( /usr/lib64/python2.7/email/mime/audio.pyt _whatsnd s
c B s e Z d Z d e j d � Z RS( s, Class for generating audio/* MIME documents.c K sg | d k r t | � } n | d k r6 t d � � n t j | d | | � | j | � | | � d S( s Create an audio/* type MIME document.
_audiodata is a string containing the raw audio data. If this data
can be decoded by the standard Python `sndhdr' module, then the
subtype will be automatically included in the Content-Type header.
Otherwise, you can specify the specific audio subtype via the
_subtype parameter. If _subtype is not given, and no subtype can be
guessed, a TypeError is raised.
_encoder is a function which will perform the actual encoding for
transport of the image data. It takes one argument, which is this
Image instance. It should use get_payload() and set_payload() to
change the payload to the encoded form. It should also add any
Content-Transfer-Encoding or other headers to the message as
necessary. The default encoding is Base64.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
s! Could not find audio MIME subtypet audioN( R R t TypeErrorR t __init__t set_payload( t selft
_audiodatat _subtypet _encodert _params( ( s( /usr/lib64/python2.7/email/mime/audio.pyR - s
N( t __name__t
__module__t __doc__R R t
encode_base64R ( ( ( s( /usr/lib64/python2.7/email/mime/audio.pyR * s ( R t __all__R t cStringIOR t emailR t email.mime.nonmultipartR R R R ( ( ( s( /usr/lib64/python2.7/email/mime/audio.pyt <module> s
PK f�\��� mime/image.pycnu �[��� �
{ fc @ sU d Z d g Z d d l Z d d l m Z d d l m Z d e f d � � YZ d S( s/ Class representing image/* type MIME documents.t MIMEImagei����N( t encoders( t MIMENonMultipartc B s e Z d Z d e j d � Z RS( s1 Class for generating image/* type MIME documents.c K sm | d k r! t j d | � } n | d k r< t d � � n t j | d | | � | j | � | | � d S( s� Create an image/* type MIME document.
_imagedata is a string containing the raw image data. If this data
can be decoded by the standard Python `imghdr' module, then the
subtype will be automatically included in the Content-Type header.
Otherwise, you can specify the specific image subtype via the _subtype
parameter.
_encoder is a function which will perform the actual encoding for
transport of the image data. It takes one argument, which is this
Image instance. It should use get_payload() and set_payload() to
change the payload to the encoded form. It should also add any
Content-Transfer-Encoding or other headers to the message as
necessary. The default encoding is Base64.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
s" Could not guess image MIME subtypet imageN( t Nonet imghdrt whatt TypeErrorR t __init__t set_payload( t selft
_imagedatat _subtypet _encodert _params( ( s( /usr/lib64/python2.7/email/mime/image.pyR s
N( t __name__t
__module__t __doc__R R t
encode_base64R ( ( ( s( /usr/lib64/python2.7/email/mime/image.pyR s ( R t __all__R t emailR t email.mime.nonmultipartR R ( ( ( s( /usr/lib64/python2.7/email/mime/image.pyt <module> s
PK f�\W �
mime/text.pycnu �[��� �
{ fc @ sI d Z d g Z d d l m Z d d l m Z d e f d � � YZ d S( s. Class representing text/* type MIME documents.t MIMETexti����( t encode_7or8bit( t MIMENonMultipartc B s e Z d Z d d d � Z RS( s0 Class for generating text/* type MIME documents.t plains us-asciic C s1 t j | d | i | d 6� | j | | � d S( s~ Create a text/* type MIME document.
_text is the string for this message object.
_subtype is the MIME sub content type, defaulting to "plain".
_charset is the character set parameter added to the Content-Type
header. This defaults to "us-ascii". Note that as a side-effect, the
Content-Transfer-Encoding header will also be set.
t textt charsetN( R t __init__t set_payload( t selft _textt _subtypet _charset( ( s' /usr/lib64/python2.7/email/mime/text.pyR s ( t __name__t
__module__t __doc__R ( ( ( s' /usr/lib64/python2.7/email/mime/text.pyR s N( R t __all__t email.encodersR t email.mime.nonmultipartR R ( ( ( s' /usr/lib64/python2.7/email/mime/text.pyt <module> s PK f�\�P mime/base.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Base class for MIME specializations."""
__all__ = ['MIMEBase']
from email import message
class MIMEBase(message.Message):
"""Base class for MIME specializations."""
def __init__(self, _maintype, _subtype, **_params):
"""This constructor adds a Content-Type: and a MIME-Version: header.
The Content-Type: header is taken from the _maintype and _subtype
arguments. Additional parameters for this header are taken from the
keyword arguments.
"""
message.Message.__init__(self)
ctype = '%s/%s' % (_maintype, _subtype)
self.add_header('Content-Type', ctype, **_params)
self['MIME-Version'] = '1.0'
PK f�\��� mime/image.pyonu �[��� �
{ fc @ sU d Z d g Z d d l Z d d l m Z d d l m Z d e f d � � YZ d S( s/ Class representing image/* type MIME documents.t MIMEImagei����N( t encoders( t MIMENonMultipartc B s e Z d Z d e j d � Z RS( s1 Class for generating image/* type MIME documents.c K sm | d k r! t j d | � } n | d k r< t d � � n t j | d | | � | j | � | | � d S( s� Create an image/* type MIME document.
_imagedata is a string containing the raw image data. If this data
can be decoded by the standard Python `imghdr' module, then the
subtype will be automatically included in the Content-Type header.
Otherwise, you can specify the specific image subtype via the _subtype
parameter.
_encoder is a function which will perform the actual encoding for
transport of the image data. It takes one argument, which is this
Image instance. It should use get_payload() and set_payload() to
change the payload to the encoded form. It should also add any
Content-Transfer-Encoding or other headers to the message as
necessary. The default encoding is Base64.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
s" Could not guess image MIME subtypet imageN( t Nonet imghdrt whatt TypeErrorR t __init__t set_payload( t selft
_imagedatat _subtypet _encodert _params( ( s( /usr/lib64/python2.7/email/mime/image.pyR s
N( t __name__t
__module__t __doc__R R t
encode_base64R ( ( ( s( /usr/lib64/python2.7/email/mime/image.pyR s ( R t __all__R t emailR t email.mime.nonmultipartR R ( ( ( s( /usr/lib64/python2.7/email/mime/image.pyt <module> s
PK f�\���� mime/message.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Class representing message/* MIME documents."""
__all__ = ['MIMEMessage']
from email import message
from email.mime.nonmultipart import MIMENonMultipart
class MIMEMessage(MIMENonMultipart):
"""Class representing message/* MIME documents."""
def __init__(self, _msg, _subtype='rfc822'):
"""Create a message/* type MIME document.
_msg is a message object and must be an instance of Message, or a
derived class of Message, otherwise a TypeError is raised.
Optional _subtype defines the subtype of the contained message. The
default is "rfc822" (this is defined by the MIME standard, even though
the term "rfc822" is technically outdated by RFC 2822).
"""
MIMENonMultipart.__init__(self, 'message', _subtype)
if not isinstance(_msg, message.Message):
raise TypeError('Argument is not an instance of Message')
# It's convenient to use this base class method. We need to do it
# this way or we'll get an exception
message.Message.attach(self, _msg)
# And be sure our default type is set correctly
self.set_default_type('message/rfc822')
PK f�\�] K� � mime/multipart.pyonu �[��� �
{ fc @ s9 d Z d g Z d d l m Z d e f d � � YZ d S( s. Base class for MIME multipart/* type messages.t
MIMEMultiparti����( t MIMEBasec B s e Z d Z d d d d � Z RS( s. Base class for MIME multipart/* type messages.t mixedc K s` t j | d | | � g | _ | rF x | D] } | j | � q, Wn | r\ | j | � n d S( s� Creates a multipart/* type message.
By default, creates a multipart/mixed message, with proper
Content-Type and MIME-Version headers.
_subtype is the subtype of the multipart content type, defaulting to
`mixed'.
boundary is the multipart boundary string. By default it is
calculated as needed.
_subparts is a sequence of initial subparts for the payload. It
must be an iterable object, such as a list. You can always
attach new subparts to the message by using the attach() method.
Additional parameters for the Content-Type header are taken from the
keyword arguments (or passed into the _params argument).
t multipartN( R t __init__t _payloadt attacht set_boundary( t selft _subtypet boundaryt _subpartst _paramst p( ( s, /usr/lib64/python2.7/email/mime/multipart.pyR s
N( t __name__t
__module__t __doc__t NoneR ( ( ( s, /usr/lib64/python2.7/email/mime/multipart.pyR
s N( R t __all__t email.mime.baseR R ( ( ( s, /usr/lib64/python2.7/email/mime/multipart.pyt <module> s PK f�\a6d�� � mime/__init__.pyonu �[��� �
{ fc @ s d S( N( ( ( ( s+ /usr/lib64/python2.7/email/mime/__init__.pyt <module> t PK f�\��sZ� � mime/nonmultipart.pynu �[��� # Copyright (C) 2002-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Base class for MIME type messages that are not multipart."""
__all__ = ['MIMENonMultipart']
from email import errors
from email.mime.base import MIMEBase
class MIMENonMultipart(MIMEBase):
"""Base class for MIME non-multipart type messages."""
def attach(self, payload):
# The public API prohibits attaching multiple subparts to MIMEBase
# derived subtypes since none of them are, by definition, of content
# type multipart/*
raise errors.MultipartConversionError(
'Cannot attach additional subparts to non-multipart/*')
PK f�\��>\ \
mime/base.pycnu �[��� �
{ fc @ s< d Z d g Z d d l m Z d e j f d � � YZ d S( s$ Base class for MIME specializations.t MIMEBasei����( t messagec B s e Z d Z d � Z RS( s$ Base class for MIME specializations.c K sA t j j | � d | | f } | j d | | � d | d <d S( s� This constructor adds a Content-Type: and a MIME-Version: header.
The Content-Type: header is taken from the _maintype and _subtype
arguments. Additional parameters for this header are taken from the
keyword arguments.
s %s/%ss Content-Types 1.0s MIME-VersionN( R t Messaget __init__t
add_header( t selft _maintypet _subtypet _paramst ctype( ( s' /usr/lib64/python2.7/email/mime/base.pyR s ( t __name__t
__module__t __doc__R ( ( ( s' /usr/lib64/python2.7/email/mime/base.pyR
s N( R t __all__t emailR R R ( ( ( s' /usr/lib64/python2.7/email/mime/base.pyt <module> s PK f�\W �
mime/text.pyonu �[��� �
{ fc @ sI d Z d g Z d d l m Z d d l m Z d e f d � � YZ d S( s. Class representing text/* type MIME documents.t MIMETexti����( t encode_7or8bit( t MIMENonMultipartc B s e Z d Z d d d � Z RS( s0 Class for generating text/* type MIME documents.t plains us-asciic C s1 t j | d | i | d 6� | j | | � d S( s~ Create a text/* type MIME document.
_text is the string for this message object.
_subtype is the MIME sub content type, defaulting to "plain".
_charset is the character set parameter added to the Content-Type
header. This defaults to "us-ascii". Note that as a side-effect, the
Content-Transfer-Encoding header will also be set.
t textt charsetN( R t __init__t set_payload( t selft _textt _subtypet _charset( ( s' /usr/lib64/python2.7/email/mime/text.pyR s ( t __name__t
__module__t __doc__R ( ( ( s' /usr/lib64/python2.7/email/mime/text.pyR s N( R t __all__t email.encodersR t email.mime.nonmultipartR R ( ( ( s' /usr/lib64/python2.7/email/mime/text.pyt <module> s PK f�\��x x mime/nonmultipart.pycnu �[��� �
{ fc @ sI d Z d g Z d d l m Z d d l m Z d e f d � � YZ d S( s9 Base class for MIME type messages that are not multipart.t MIMENonMultiparti����( t errors( t MIMEBasec B s e Z d Z d � Z RS( s0 Base class for MIME non-multipart type messages.c C s t j d � � d S( Ns4 Cannot attach additional subparts to non-multipart/*( R t MultipartConversionError( t selft payload( ( s/ /usr/lib64/python2.7/email/mime/nonmultipart.pyt attach s ( t __name__t
__module__t __doc__R ( ( ( s/ /usr/lib64/python2.7/email/mime/nonmultipart.pyR s N( R t __all__t emailR t email.mime.baseR R ( ( ( s/ /usr/lib64/python2.7/email/mime/nonmultipart.pyt <module> s PK f�\�] K� � mime/multipart.pycnu �[��� �
{ fc @ s9 d Z d g Z d d l m Z d e f d � � YZ d S( s. Base class for MIME multipart/* type messages.t
MIMEMultiparti����( t MIMEBasec B s e Z d Z d d d d � Z RS( s. Base class for MIME multipart/* type messages.t mixedc K s` t j | d | | � g | _ | rF x | D] } | j | � q, Wn | r\ | j | � n d S( s� Creates a multipart/* type message.
By default, creates a multipart/mixed message, with proper
Content-Type and MIME-Version headers.
_subtype is the subtype of the multipart content type, defaulting to
`mixed'.
boundary is the multipart boundary string. By default it is
calculated as needed.
_subparts is a sequence of initial subparts for the payload. It
must be an iterable object, such as a list. You can always
attach new subparts to the message by using the attach() method.
Additional parameters for the Content-Type header are taken from the
keyword arguments (or passed into the _params argument).
t multipartN( R t __init__t _payloadt attacht set_boundary( t selft _subtypet boundaryt _subpartst _paramst p( ( s, /usr/lib64/python2.7/email/mime/multipart.pyR s
N( t __name__t
__module__t __doc__t NoneR ( ( ( s, /usr/lib64/python2.7/email/mime/multipart.pyR
s N( R t __all__t email.mime.baseR R ( ( ( s, /usr/lib64/python2.7/email/mime/multipart.pyt <module> s PK f�\i!A�� � mime/text.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Class representing text/* type MIME documents."""
__all__ = ['MIMEText']
from email.encoders import encode_7or8bit
from email.mime.nonmultipart import MIMENonMultipart
class MIMEText(MIMENonMultipart):
"""Class for generating text/* type MIME documents."""
def __init__(self, _text, _subtype='plain', _charset='us-ascii'):
"""Create a text/* type MIME document.
_text is the string for this message object.
_subtype is the MIME sub content type, defaulting to "plain".
_charset is the character set parameter added to the Content-Type
header. This defaults to "us-ascii". Note that as a side-effect, the
Content-Transfer-Encoding header will also be set.
"""
MIMENonMultipart.__init__(self, 'text', _subtype,
**{'charset': _charset})
self.set_payload(_text, _charset)
PK f�\�"��0 0 mime/application.pycnu �[��� �
{ fc @ sI d Z d g Z d d l m Z d d l m Z d e f d � � YZ d S( s5 Class representing application/* type MIME documents.t MIMEApplicationi����( t encoders( t MIMENonMultipartc B s e Z d Z d e j d � Z RS( s2 Class for generating application/* MIME documents.s octet-streamc K sL | d k r t d � � n t j | d | | � | j | � | | � d S( s Create an application/* type MIME document.
_data is a string containing the raw application data.
_subtype is the MIME content type subtype, defaulting to
'octet-stream'.
_encoder is a function which will perform the actual encoding for
transport of the application data, defaulting to base64 encoding.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
s Invalid application MIME subtypet applicationN( t Nonet TypeErrorR t __init__t set_payload( t selft _datat _subtypet _encodert _params( ( s. /usr/lib64/python2.7/email/mime/application.pyR s
( t __name__t
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s N( R t __all__t emailR t email.mime.nonmultipartR R ( ( ( s. /usr/lib64/python2.7/email/mime/application.pyt <module> s PK f�\a6d�� � mime/__init__.pycnu �[��� �
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{
mime/audio.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Anthony Baxter
# Contact: email-sig@python.org
"""Class representing audio/* type MIME documents."""
__all__ = ['MIMEAudio']
import sndhdr
from cStringIO import StringIO
from email import encoders
from email.mime.nonmultipart import MIMENonMultipart
_sndhdr_MIMEmap = {'au' : 'basic',
'wav' :'x-wav',
'aiff':'x-aiff',
'aifc':'x-aiff',
}
# There are others in sndhdr that don't have MIME types. :(
# Additional ones to be added to sndhdr? midi, mp3, realaudio, wma??
def _whatsnd(data):
"""Try to identify a sound file type.
sndhdr.what() has a pretty cruddy interface, unfortunately. This is why
we re-do it here. It would be easier to reverse engineer the Unix 'file'
command and use the standard 'magic' file, as shipped with a modern Unix.
"""
hdr = data[:512]
fakefile = StringIO(hdr)
for testfn in sndhdr.tests:
res = testfn(hdr, fakefile)
if res is not None:
return _sndhdr_MIMEmap.get(res[0])
return None
class MIMEAudio(MIMENonMultipart):
"""Class for generating audio/* MIME documents."""
def __init__(self, _audiodata, _subtype=None,
_encoder=encoders.encode_base64, **_params):
"""Create an audio/* type MIME document.
_audiodata is a string containing the raw audio data. If this data
can be decoded by the standard Python `sndhdr' module, then the
subtype will be automatically included in the Content-Type header.
Otherwise, you can specify the specific audio subtype via the
_subtype parameter. If _subtype is not given, and no subtype can be
guessed, a TypeError is raised.
_encoder is a function which will perform the actual encoding for
transport of the image data. It takes one argument, which is this
Image instance. It should use get_payload() and set_payload() to
change the payload to the encoded form. It should also add any
Content-Transfer-Encoding or other headers to the message as
necessary. The default encoding is Base64.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
"""
if _subtype is None:
_subtype = _whatsnd(_audiodata)
if _subtype is None:
raise TypeError('Could not find audio MIME subtype')
MIMENonMultipart.__init__(self, 'audio', _subtype, **_params)
self.set_payload(_audiodata)
_encoder(self)
PK f�\��>\ \
mime/base.pyonu �[��� �
{ fc @ s< d Z d g Z d d l m Z d e j f d � � YZ d S( s$ Base class for MIME specializations.t MIMEBasei����( t messagec B s e Z d Z d � Z RS( s$ Base class for MIME specializations.c K sA t j j | � d | | f } | j d | | � d | d <d S( s� This constructor adds a Content-Type: and a MIME-Version: header.
The Content-Type: header is taken from the _maintype and _subtype
arguments. Additional parameters for this header are taken from the
keyword arguments.
s %s/%ss Content-Types 1.0s MIME-VersionN( R t Messaget __init__t
add_header( t selft _maintypet _subtypet _paramst ctype( ( s' /usr/lib64/python2.7/email/mime/base.pyR s ( t __name__t
__module__t __doc__R ( ( ( s' /usr/lib64/python2.7/email/mime/base.pyR
s N( R t __all__t emailR R R ( ( ( s' /usr/lib64/python2.7/email/mime/base.pyt <module> s PK f�\%:�� � mime/application.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Keith Dart
# Contact: email-sig@python.org
"""Class representing application/* type MIME documents."""
__all__ = ["MIMEApplication"]
from email import encoders
from email.mime.nonmultipart import MIMENonMultipart
class MIMEApplication(MIMENonMultipart):
"""Class for generating application/* MIME documents."""
def __init__(self, _data, _subtype='octet-stream',
_encoder=encoders.encode_base64, **_params):
"""Create an application/* type MIME document.
_data is a string containing the raw application data.
_subtype is the MIME content type subtype, defaulting to
'octet-stream'.
_encoder is a function which will perform the actual encoding for
transport of the application data, defaulting to base64 encoding.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
"""
if _subtype is None:
raise TypeError('Invalid application MIME subtype')
MIMENonMultipart.__init__(self, 'application', _subtype, **_params)
self.set_payload(_data)
_encoder(self)
PK f�\��- � �
mime/image.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw
# Contact: email-sig@python.org
"""Class representing image/* type MIME documents."""
__all__ = ['MIMEImage']
import imghdr
from email import encoders
from email.mime.nonmultipart import MIMENonMultipart
class MIMEImage(MIMENonMultipart):
"""Class for generating image/* type MIME documents."""
def __init__(self, _imagedata, _subtype=None,
_encoder=encoders.encode_base64, **_params):
"""Create an image/* type MIME document.
_imagedata is a string containing the raw image data. If this data
can be decoded by the standard Python `imghdr' module, then the
subtype will be automatically included in the Content-Type header.
Otherwise, you can specify the specific image subtype via the _subtype
parameter.
_encoder is a function which will perform the actual encoding for
transport of the image data. It takes one argument, which is this
Image instance. It should use get_payload() and set_payload() to
change the payload to the encoded form. It should also add any
Content-Transfer-Encoding or other headers to the message as
necessary. The default encoding is Base64.
Any additional keyword arguments are passed to the base class
constructor, which turns them into parameters on the Content-Type
header.
"""
if _subtype is None:
_subtype = imghdr.what(None, _imagedata)
if _subtype is None:
raise TypeError('Could not guess image MIME subtype')
MIMENonMultipart.__init__(self, 'image', _subtype, **_params)
self.set_payload(_imagedata)
_encoder(self)
PK f�\b|��� � mime/message.pyonu �[��� �
{ fc @ sI d Z d g Z d d l m Z d d l m Z d e f d � � YZ d S( s, Class representing message/* MIME documents.t MIMEMessagei����( t message( t MIMENonMultipartc B s e Z d Z d d � Z RS( s, Class representing message/* MIME documents.t rfc822c C sX t j | d | � t | t j � s4 t d � � n t j j | | � | j d � d S( s� Create a message/* type MIME document.
_msg is a message object and must be an instance of Message, or a
derived class of Message, otherwise a TypeError is raised.
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the term "rfc822" is technically outdated by RFC 2822).
R s& Argument is not an instance of Messages message/rfc822N( R t __init__t
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s Invalid application MIME subtypet applicationN( t Nonet TypeErrorR t __init__t set_payload( t selft _datat _subtypet _encodert _params( ( s. /usr/lib64/python2.7/email/mime/application.pyR s
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parser. It returns when there's nothing more it can do with the available
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safely encode text that is in a character set similar to the 7-bit US ASCII
character set, but that includes some 8-bit characters that are normally not
allowed in email bodies or headers.
Quoted-printable is very space-inefficient for encoding binary files; use the
email.base64mime module for that instead.
This module provides an interface to encode and decode both headers and bodies
with quoted-printable encoding.
RFC 2045 defines a method for including character set information in an
`encoded-word' in a header. This method is commonly used for 8-bit real names
in To:/From:/Cc: etc. fields, as well as Subject: lines.
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conversion necessary for proper internationalized headers; it only
does dumb encoding and decoding. To deal with the various line
wrapping issues, use the email.header module.
t body_decodet body_encodet body_quopri_checkt body_quopri_lent decodet decodestringt encodet encodestringt
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| S| s t | � } n g } | d k r: d } n | t | � t d } xi | D]a } | d k r~ t | d | � qY t j | � s� t | | | � qY t | d t | � | � qY W| d } | j g | D] } d | | f ^ q� � S( s� Encode a single header line with quoted-printable (like) encoding.
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used specifically for email header fields to allow charsets with mostly 7
bit characters (and some 8 bit) to remain more or less readable in non-RFC
2045 aware mail clients.
charset names the character set to use to encode the header. It defaults
to iso-8859-1.
The resulting string will be in the form:
"=?charset?q?I_f=E2rt_in_your_g=E8n=E8ral_dire=E7tion?\n
=?charset?q?Silly_=C8nglish_Kn=EEghts?="
with each line wrapped safely at, at most, maxlinelen characters (defaults
to 76 characters). If maxlinelen is None, the entire string is encoded in
one chunk with no splitting.
End-of-line characters (\r, \n, \r\n) will be automatically converted
to the canonical email line separator \r\n unless the keep_eols
parameter is True (the default is False).
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defaults to "\n". Set this to "\r\n" if you are using the result of
this function directly in email.
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| | 7} d } qA W| S( s� Encode with quoted-printable, wrapping at maxlinelen characters.
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be left verbatim.
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this to "\r\n" if you will be using the result of this function directly
in an email.
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character "=" appended to them, so the decoded text will be identical to
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quoted-printable (like =?iso-8859-1?q?Hello_World?=) -- please use
the high level email.header class for that functionality.
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payload. fmt is expanded with the following keywords (in
%(keyword)s format):
type : Full MIME type of the non-text part
maintype : Main MIME type of the non-text part
subtype : Sub-MIME type of the non-text part
filename : Filename of the non-text part
description: Description associated with the non-text part
encoding : Content transfer encoding of the non-text part
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[Non-text (%(type)s) part of message omitted, filename %(filename)s]
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base64MIMEt Charsett Encoderst Errorst Generatort Headert Iteratorst Messaget MIMEAudiot MIMEBaset MIMEImaget MIMEMessaget
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base64mimet charsett encoderst errorst generatort headert iteratorst messaget mimet parsert
quoprimimet utilsc O s& d d l m } | | | � j | � S( sv Parse a string into a Message object model.
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t textc c sV xO | j � D]A } | j � | k r
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Wd S( s� Iterate over the subparts with a given MIME type.
Use `maintype' as the main MIME type to match against; this defaults to
"text". Optional `subtype' is the MIME subtype to match against; if
omitted, only the main type is matched.
N( R t get_content_maintypet Nonet get_content_subtype( R t maintypet subtypeR ( ( s' /usr/lib64/python2.7/email/iterators.pyR / s i c C s� | d k r t j } n d | d } | | | j � I| rW | d | j � IJn | J| j � r� x. | j � D] } t | | | d | � qt Wn d S( s A handy debugging aidt i s [%s]i N( R t syst stdoutt get_content_typet get_default_typeR R t
_structure( R t fpt levelt include_defaultt tabR ( ( s' /usr/lib64/python2.7/email/iterators.pyR = s ( t __doc__t __all__R t cStringIOR R t FalseR R R R ( ( ( s' /usr/lib64/python2.7/email/iterators.pyt <module> s PK f�\s��Fp p message.pyonu �[��� �
{ fc @ s� d Z d g Z d d l Z d d l Z d d l Z d d l Z d d l m Z d d l Z d d l m
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� � YZ d S( s8 Basic message object for the email package object model.t Messagei����N( t StringIO( t utils( t errorss ; s [ \(\)<>@,;:\\"/\[\]\?=]c C sD | j d � \ } } } | s. | j � d f S| j � | j � f S( Nt ;( t partitiont stript None( t paramt at sept b( ( s% /usr/lib64/python2.7/email/message.pyt _splitparam s c C s� | d k r� t | � d k r� t | t � r[ | d 7} t j | d | d | d � } n | sp t j | � r� d | t j | � f Sd | | f Sn | Sd S( s� Convenience function to format and return a key=value pair.
This will quote the value if needed or if quote is true. If value is a
three tuple (charset, language, value), it will be encoded according
to RFC2231 rules.
i t *i i s %s="%s"s %s=%sN( R t lent
isinstancet tupleR t encode_rfc2231t tspecialst searcht quote( R t valueR ( ( s% /usr/lib64/python2.7/email/message.pyt _formatparam& s
$c C s g } x| d d k r| d } | j d � } xR | d k r� | j d d | � | j d d | � d r� | j d | d � } q5 W| d k r� t | � } n | | } d | k r� | j d � } | | j � j � d | | d j � } n | j | j � � | | } q W| S( Ni R i t "s \"i t =( t findt countR t indexR t lowert append( t st plistt endt ft i( ( s% /usr/lib64/python2.7/email/message.pyt _parseparam> s
;
/c C sB t | t � r1 | d | d t j | d � f St j | � Sd S( Ni i i ( R R R t unquote( R ( ( s% /usr/lib64/python2.7/email/message.pyt
_unquotevalueP s "c B s� e Z d Z d � Z d � Z e d � Z d � Z d � Z d � Z d � Z
d. e d � Z d. d � Z
d
� Z d � Z d � Z d
� Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d. d � Z d. d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z! d � Z" d. d e# d � Z$ d. d e# d! � Z% d" e# d. d# d$ � Z& d e# d% � Z' d" e# d& � Z( d. d' � Z) d. d( � Z* d) � Z+ d. d* � Z, d. d+ � Z- d, d- l. m/ Z/ RS(/ s� Basic message object.
A message object is defined as something that has a bunch of RFC 2822
headers and a payload. It may optionally have an envelope header
(a.k.a. Unix-From or From_ header). If the message is a container (i.e. a
multipart or a message/rfc822), then the payload is a list of Message
objects, otherwise it is a string.
Message objects implement part of the `mapping' interface, which assumes
there is exactly one occurrence of the header per message. Some headers
do in fact appear multiple times (e.g. Received) and for those headers,
you must use the explicit API to set or get all the headers. Not all of
the mapping methods are implemented.
c C sJ g | _ d | _ d | _ d | _ d | _ | _ g | _ d | _ d S( Ns
text/plain( t _headersR t _unixfromt _payloadt _charsett preamblet epiloguet defectst
_default_type( t self( ( s% /usr/lib64/python2.7/email/message.pyt __init__k s c C s | j d t � S( sw Return the entire formatted message as a string.
This includes the headers, body, and envelope header.
t unixfrom( t as_stringt True( R. ( ( s% /usr/lib64/python2.7/email/message.pyt __str__v s c C sB d d l m } t � } | | � } | j | d | �| j � S( s� Return the entire formatted message as a string.
Optional `unixfrom' when True, means include the Unix From_ envelope
header.
This is a convenience method and may not generate the message exactly
as you intend because by default it mangles lines that begin with
"From ". For more flexibility, use the flatten() method of a
Generator instance.
i����( t GeneratorR0 ( t email.generatorR4 R t flattent getvalue( R. R0 R4 t fpt g( ( s% /usr/lib64/python2.7/email/message.pyR1 | s
c C s t | j t � S( s6 Return True if the message consists of multiple parts.( R R( t list( R. ( ( s% /usr/lib64/python2.7/email/message.pyt is_multipart� s c C s
| | _ d S( N( R' ( R. R0 ( ( s% /usr/lib64/python2.7/email/message.pyt set_unixfrom� s c C s | j S( N( R' ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt get_unixfrom� s c C s2 | j d k r | g | _ n | j j | � d S( s� Add the given payload to the current payload.
The current payload will always be a list of objects after this method
is called. If you want to set the payload to a scalar object, use
set_payload() instead.
N( R( R R ( R. t payload( ( s% /usr/lib64/python2.7/email/message.pyt attach� s c C s9 | d k r | j } n; t | j t � sF t d t | j � � � n
| j | } | r5| j � ri d S| j d d � j � } | d k r� t j
| � S| d k r� y t j | � SWq2t j
k
r� | SXq5| d
k r5t � } y0 t j t | d
� | d t �| j � } Wq2t j
k
r.| SXq5n | S( sZ Return a reference to the payload.
The payload will either be a list object or a string. If you mutate
the list object, you modify the message's payload in place. Optional
i returns that index into the payload.
Optional decode is a flag indicating whether the payload should be
decoded or not, according to the Content-Transfer-Encoding header
(default is False).
When True and the message is not a multipart, the payload will be
decoded if this header's value is `quoted-printable' or `base64'. If
some other encoding is used, or the header is missing, or if the
payload has bogus data (i.e. bogus base64 or uuencoded data), the
payload is returned as-is.
If the message is a multipart and the decode flag is True, then None
is returned.
s Expected list, got %ss content-transfer-encodingt s quoted-printablet base64s
x-uuencodet uuencodet uues x-uues
t quietN( s
x-uuencodeRB RC s x-uue( R R( R R: t TypeErrort typeR; t getR R t _qdecodet _bdecodet binasciit ErrorR t uut decodeR2 R7 ( R. R" RM R> t ctet sfp( ( s% /usr/lib64/python2.7/email/message.pyt get_payload� s0
c C s) | | _ | d k r% | j | � n d S( s� Set the payload to the given value.
Optional charset sets the message's default character set. See
set_charset() for details.
N( R( R t set_charset( R. R> t charset( ( s% /usr/lib64/python2.7/email/message.pyt set_payload� s c C s� | d k r& | j d � d | _ d St | t � rJ t j j | � } n t | t j j � sn t | � � n | | _ d | k r� | j d d � n d | k r� | j d d d | j
� �n | j d | j
� � t | j t
� r| j j | j � | _ n t | � | j
� k r4| j | j � | _ n d | k r�| j � } y | | � Wq�t k
r�| j | j � | _ | j d | � q�Xn d S( s� Set the charset of the payload to a given character set.
charset can be a Charset instance, a string naming a character set, or
None. If it is a string it will be converted to a Charset instance.
If charset is None, the charset parameter will be removed from the
Content-Type field. Anything else will generate a TypeError.
The message will be assumed to be of type text/* encoded with
charset.input_charset. It will be converted to charset.output_charset
and encoded properly, if needed, when generating the plain text
representation of the message. MIME headers (MIME-Version,
Content-Type, Content-Transfer-Encoding) will be added as needed.
RR Ns MIME-Versions 1.0s Content-Types
text/plains Content-Transfer-Encoding( R t del_paramR) R t
basestringt emailRR t CharsetRE t
add_headert get_output_charsett set_paramR( t unicodet encodet output_charsett strt body_encodet get_body_encoding( R. RR RN ( ( s% /usr/lib64/python2.7/email/message.pyRQ � s4
c C s | j S( sK Return the Charset instance associated with the message's payload.
( R) ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt get_charset s c C s
t | j � S( s9 Return the total number of headers, including duplicates.( R R& ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt __len__ s c C s
| j | � S( s- Get a header value.
Return None if the header is missing instead of raising an exception.
Note that if the header appeared multiple times, exactly which
occurrence gets returned is undefined. Use get_all() to get all
the values matching a header field name.
( RG ( R. t name( ( s% /usr/lib64/python2.7/email/message.pyt __getitem__ s c C s | j j | | f � d S( s� Set the value of a header.
Note: this does not overwrite an existing header with the same field
name. Use __delitem__() first to delete any existing headers.
N( R& R ( R. Rc t val( ( s% /usr/lib64/python2.7/email/message.pyt __setitem__( s c C sa | j � } g } x? | j D]4 \ } } | j � | k r | j | | f � q q W| | _ d S( sw Delete all occurrences of a header, if present.
Does not raise an exception if the header is missing.
N( R R& R ( R. Rc t
newheaderst kt v( ( s% /usr/lib64/python2.7/email/message.pyt __delitem__0 s c C s2 | j � g | j D] \ } } | j � ^ q k S( N( R R& ( R. Rc Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt __contains__< s c C s t � } | j | | � | k S( s/ Return true if the message contains the header.( t objectRG ( R. Rc t missing( ( s% /usr/lib64/python2.7/email/message.pyt has_key? s c C s g | j D] \ } } | ^ q
S( s. Return a list of all the message's header field names.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
( R& ( R. Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt keysD s c C s g | j D] \ } } | ^ q
S( s) Return a list of all the message's header values.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
( R& ( R. Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt valuesN s c C s | j S( s' Get all the message's header fields and values.
These will be sorted in the order they appeared in the original
message, or were added to the message, and may contain duplicates.
Any fields deleted and re-inserted are always appended to the header
list.
( R& ( R. ( ( s% /usr/lib64/python2.7/email/message.pyt itemsX s c C s@ | j � } x- | j D]" \ } } | j � | k r | Sq W| S( s~ Get a header value.
Like __getitem__() but return failobj instead of None when the field
is missing.
( R R& ( R. Rc t failobjRh Ri ( ( s% /usr/lib64/python2.7/email/message.pyRG b s
c C s\ g } | j � } x9 | j D]. \ } } | j � | k r | j | � q q W| sX | S| S( sQ Return a list of all the values for the named field.
These will be sorted in the order they appeared in the original
message, and may contain duplicates. Any fields deleted and
re-inserted are always appended to the header list.
If no such fields exist, failobj is returned (defaults to None).
( R R& R ( R. Rc Rr Rp Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt get_allr s c K s� g } xd | j � D]V \ } } | d k rG | j | j d d � � q | j t | j d d � | � � q W| d k r� | j d | � n | j j | t j | � f � d S( s� Extended header setting.
name is the header field to add. keyword arguments can be used to set
additional parameters for the header field, with underscores converted
to dashes. Normally the parameter will be added as key="value" unless
value is None, in which case only the key will be added. If a
parameter value contains non-ASCII characters it must be specified as a
three-tuple of (charset, language, value), in which case it will be
encoded according to RFC2231 rules.
Example:
msg.add_header('content-disposition', 'attachment', filename='bud.gif')
t _t -i N( Rq R R t replaceR t insertR& t SEMISPACEt join( R. t _namet _valuet _paramst partsRh Ri ( ( s% /usr/lib64/python2.7/email/message.pyRX � s & c C s} | j � } xj t t t | j � � | j � D]; \ } \ } } | j � | k r. | | f | j | <Pq. q. Wt | � � d S( s� Replace a header.
Replace the first matching header found in the message, retaining
header order and case. If no matching header was found, a KeyError is
raised.
N( R t zipt rangeR R& t KeyError( R. Rz R{ R" Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt replace_header� s 4c C sd t � } | j d | � } | | k r1 | j � St | � d j � } | j d � d k r` d S| S( s0 Return the message's content type.
The returned string is coerced to lower case of the form
`maintype/subtype'. If there was no Content-Type header in the
message, the default type as given by get_default_type() will be
returned. Since according to RFC 2045, messages always have a default
type this will always return a value.
RFC 2045 defines a message's default type to be text/plain unless it
appears inside a multipart/digest container, in which case it would be
message/rfc822.
s content-typei t /i s
text/plain( Rl RG t get_default_typeR R R ( R. Rm R t ctype( ( s% /usr/lib64/python2.7/email/message.pyt get_content_type� s
c C s | j � } | j d � d S( s� Return the message's main content type.
This is the `maintype' part of the string returned by
get_content_type().
R� i ( R� t split( R. R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_content_maintype� s c C s | j � } | j d � d S( s� Returns the message's sub-content type.
This is the `subtype' part of the string returned by
get_content_type().
R� i ( R� R� ( R. R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_content_subtype� s c C s | j S( s Return the `default' content type.
Most messages have a default content type of text/plain, except for
messages that are subparts of multipart/digest containers. Such
subparts have a default content type of message/rfc822.
( R- ( R. ( ( s% /usr/lib64/python2.7/email/message.pyR� � s c C s
| | _ d S( s� Set the `default' content type.
ctype should be either "text/plain" or "message/rfc822", although this
is not enforced. The default content type is not stored in the
Content-Type header.
N( R- ( R. R� ( ( s% /usr/lib64/python2.7/email/message.pyt set_default_type� s c C s� t � } | j | | � } | | k r+ | Sg } x� t d | � D]s } y4 | j d d � \ } } | j � } | j � } Wn# t k
r� | j � } d } n X| j | | f � qB Wt j | � } | S( NR R i R@ ( Rl RG R# R� R t
ValueErrorR R t
decode_params( R. Rr t headerRm R t paramst pRc Re ( ( s% /usr/lib64/python2.7/email/message.pyt _get_params_preserve� s
s content-typec C sb t � } | j | | � } | | k r+ | S| rZ g | D] \ } } | t | � f ^ q8 S| Sd S( sm Return the message's Content-Type parameters, as a list.
The elements of the returned list are 2-tuples of key/value pairs, as
split on the `=' sign. The left hand side of the `=' is the key,
while the right hand side is the value. If there is no `=' sign in
the parameter the value is the empty string. The value is as
described in the get_param() method.
Optional failobj is the object to return if there is no Content-Type
header. Optional header is the header to search instead of
Content-Type. If unquote is True, the value is unquoted.
N( Rl R� R% ( R. Rr R� R$ Rm R� Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt
get_params s
)c C sf | | k r | SxO | j | | � D]; \ } } | j � | j � k r# | rW t | � S| Sq# q# W| S( s� Return the parameter value if found in the Content-Type header.
Optional failobj is the object to return if there is no Content-Type
header, or the Content-Type header has no such parameter. Optional
header is the header to search instead of Content-Type.
Parameter keys are always compared case insensitively. The return
value can either be a string, or a 3-tuple if the parameter was RFC
2231 encoded. When it's a 3-tuple, the elements of the value are of
the form (CHARSET, LANGUAGE, VALUE). Note that both CHARSET and
LANGUAGE can be None, in which case you should consider VALUE to be
encoded in the us-ascii charset. You can usually ignore LANGUAGE.
Your application should be prepared to deal with 3-tuple return
values, and can convert the parameter to a Unicode string like so:
param = msg.get_param('foo')
if isinstance(param, tuple):
param = unicode(param[2], param[0] or 'us-ascii')
In any case, the parameter value (either the returned string, or the
VALUE item in the 3-tuple) is always unquoted, unless unquote is set
to False.
( R� R R% ( R. R Rr R� R$ Rh Ri ( ( s% /usr/lib64/python2.7/email/message.pyt get_param s
s Content-TypeR@ c C sw t | t � r( | r( | | | f } n | | k rO | j � d k rO d } n | j | � } | j | d | �s� | s� t | | | � } qJt j | t | | | � g � } n� d } x� | j d | d | � D]u \ } } d }
| j � | j � k rt | | | � }
n t | | | � }
| s1|
} q� t j | |
g � } q� W| | j | � k rs| | =| | | <n d S( s� Set a parameter in the Content-Type header.
If the parameter already exists in the header, its value will be
replaced with the new value.
If header is Content-Type and has not yet been defined for this
message, it will be set to "text/plain" and the new parameter and
value will be appended as per RFC 2045.
An alternate header can be specified in the header argument, and all
parameters will be quoted as necessary unless requote is False.
If charset is specified, the parameter will be encoded according to RFC
2231. Optional language specifies the RFC 2231 language, defaulting
to the empty string. Both charset and language should be strings.
s content-types
text/plainR� R@ R$ N( R R R RG R� R Rx Ry R� ( R. R R R� t requoteRR t languageR� t old_paramt old_valuet append_param( ( s% /usr/lib64/python2.7/email/message.pyRZ ; s. c C s� | | k r d Sd } x} | j d | d | � D]c \ } } | j � | j � k r/ | sn t | | | � } q� t j | t | | | � g � } q/ q/ W| | j | � k r� | | =| | | <n d S( s> Remove the given parameter completely from the Content-Type header.
The header will be re-written in place without the parameter or its
value. All values will be quoted as necessary unless requote is
False. Optional header specifies an alternative to the Content-Type
header.
NR@ R� R$ ( R� R R Rx Ry RG ( R. R R� R� t new_ctypeR� Ri ( ( s% /usr/lib64/python2.7/email/message.pyRT k s % c C s� | j d � d k s t � n | j � d k rD | d =d | d <n | | k r^ | | | <d S| j d | d | � } | | =| | | <x. | d D]" \ } } | j | | | | � q� Wd S(
sK Set the main type and subtype for the Content-Type header.
type must be a string in the form "maintype/subtype", otherwise a
ValueError is raised.
This method replaces the Content-Type header, keeping all the
parameters in place. If requote is False, this leaves the existing
header's quoting as is. Otherwise, the parameters will be quoted (the
default).
An alternative header can be specified in the header argument. When
the Content-Type header is set, we'll always also add a MIME-Version
header.
R� i s content-types mime-versions 1.0s MIME-VersionNR� R$ ( R R� R R� RZ ( R. RF R� R� R� R� Ri ( ( s% /usr/lib64/python2.7/email/message.pyt set_type� s
c C se t � } | j d | d � } | | k rB | j d | d � } n | | k rR | St j | � j � S( s@ Return the filename associated with the payload if present.
The filename is extracted from the Content-Disposition header's
`filename' parameter, and it is unquoted. If that header is missing
the `filename' parameter, this method falls back to looking for the
`name' parameter.
t filenames content-dispositionRc s content-type( Rl R� R t collapse_rfc2231_valueR ( R. Rr Rm R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_filename� s c C s> t � } | j d | � } | | k r+ | St j | � j � S( s� Return the boundary associated with the payload if present.
The boundary is extracted from the Content-Type header's `boundary'
parameter, and it is unquoted.
t boundary( Rl R� R R� t rstrip( R. Rr Rm R� ( ( s% /usr/lib64/python2.7/email/message.pyt get_boundary� s
c
C s� t � } | j | d � } | | k r9 t j d � � n g } t } xY | D]Q \ } } | j � d k r� | j d d | f � t } qL | j | | f � qL W| s� | j d d | f � n g } x� | j D]� \ } }
| j � d k r^g } xG | D]? \ } }
|
d k r$| j | � q� | j d | |
f � q� W| j | t j
| � f � q� | j | |
f � q� W| | _ d S( s� Set the boundary parameter in Content-Type to 'boundary'.
This is subtly different than deleting the Content-Type header and
adding a new one with a new boundary parameter via add_header(). The
main difference is that using the set_boundary() method preserves the
order of the Content-Type header in the original message.
HeaderParseError is raised if the message has no Content-Type header.
s content-types No Content-Type header foundR� s "%s"R@ s %s=%sN( Rl R� R t HeaderParseErrort FalseR R R2 R& Rx Ry (
R. R� Rm R� t newparamst foundpt pkt pvRg t hRi R} Rh ( ( s% /usr/lib64/python2.7/email/message.pyt set_boundary� s0
c C s� t � } | j d | � } | | k r+ | St | t � r� | d pG d } y t | d | � j d � } Wq� t t f k
r� | d } q� Xn y4 t | t � r� t | d � } n | j d � } Wn t k
r� | SX| j � S( s� Return the charset parameter of the Content-Type header.
The returned string is always coerced to lower case. If there is no
Content-Type header, or if that header has no charset parameter,
failobj is returned.
RR i s us-asciii (
Rl R� R R R[ R\ t LookupErrort UnicodeErrorR^ R ( R. Rr Rm RR t pcharset( ( s% /usr/lib64/python2.7/email/message.pyt get_content_charset� s"
c C s& g | j � D] } | j | � ^ q
S( s� Return a list containing the charset(s) used in this message.
The returned list of items describes the Content-Type headers'
charset parameter for this message and all the subparts in its
payload.
Each item will either be a string (the value of the charset parameter
in the Content-Type header of that part) or the value of the
'failobj' parameter (defaults to None), if the part does not have a
main MIME type of "text", or the charset is not defined.
The list will contain one string for each part of the message, plus
one for the container message (i.e. self), so that a non-multipart
message will still return a list of length 1.
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s i����( R� N(0 t __name__t
__module__t __doc__R/ R3 R� R1 R; R< R= R? R RP RS RQ Ra Rb Rd Rf Rj Rk Rn Ro Rp Rq RG Rs RX R� R� R� R� R� R� R� R2 R� R� RZ RT R� R� R� R� R� R� t email.iteratorsR� ( ( ( s% /usr/lib64/python2.7/email/message.pyR \ sX 2
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PK f�\�� l� � parser.pynu �[��� # Copyright (C) 2001-2006 Python Software Foundation
# Author: Barry Warsaw, Thomas Wouters, Anthony Baxter
# Contact: email-sig@python.org
"""A parser of RFC 2822 and MIME email messages."""
__all__ = ['Parser', 'HeaderParser']
import warnings
from cStringIO import StringIO
from email.feedparser import FeedParser
from email.message import Message
class Parser:
def __init__(self, *args, **kws):
"""Parser of RFC 2822 and MIME email messages.
Creates an in-memory object tree representing the email message, which
can then be manipulated and turned over to a Generator to return the
textual representation of the message.
The string must be formatted as a block of RFC 2822 headers and header
continuation lines, optionally preceded by a `Unix-from' header. The
header block is terminated either by the end of the string or by a
blank line.
_class is the class to instantiate for new message objects when they
must be created. This class must have a constructor that can take
zero arguments. Default is Message.Message.
"""
if len(args) >= 1:
if '_class' in kws:
raise TypeError("Multiple values for keyword arg '_class'")
kws['_class'] = args[0]
if len(args) == 2:
if 'strict' in kws:
raise TypeError("Multiple values for keyword arg 'strict'")
kws['strict'] = args[1]
if len(args) > 2:
raise TypeError('Too many arguments')
if '_class' in kws:
self._class = kws['_class']
del kws['_class']
else:
self._class = Message
if 'strict' in kws:
warnings.warn("'strict' argument is deprecated (and ignored)",
DeprecationWarning, 2)
del kws['strict']
if kws:
raise TypeError('Unexpected keyword arguments')
def parse(self, fp, headersonly=False):
"""Create a message structure from the data in a file.
Reads all the data from the file and returns the root of the message
structure. Optional headersonly is a flag specifying whether to stop
parsing after reading the headers or not. The default is False,
meaning it parses the entire contents of the file.
"""
feedparser = FeedParser(self._class)
if headersonly:
feedparser._set_headersonly()
while True:
data = fp.read(8192)
if not data:
break
feedparser.feed(data)
return feedparser.close()
def parsestr(self, text, headersonly=False):
"""Create a message structure from a string.
Returns the root of the message structure. Optional headersonly is a
flag specifying whether to stop parsing after reading the headers or
not. The default is False, meaning it parses the entire contents of
the file.
"""
return self.parse(StringIO(text), headersonly=headersonly)
class HeaderParser(Parser):
def parse(self, fp, headersonly=True):
return Parser.parse(self, fp, True)
def parsestr(self, text, headersonly=True):
return Parser.parsestr(self, text, True)
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