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mimetools.pyc
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Python Compiled Bytecode
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2014-12-31
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# Source Generated with Decompyle++
# File: in.pyc (Python 2.7)
'''Various tools used by MIME-reading or MIME-writing programs.'''
import os
import sys
import tempfile
from warnings import filterwarnings, catch_warnings
with catch_warnings():
if sys.py3kwarning:
filterwarnings('ignore', '.*rfc822 has been removed', DeprecationWarning)
import rfc822
from warnings import warnpy3k
warnpy3k('in 3.x, mimetools has been removed in favor of the email package', stacklevel = 2)
__all__ = [
'Message',
'choose_boundary',
'encode',
'decode',
'copyliteral',
'copybinary']
class Message(rfc822.Message):
'''A derived class of rfc822.Message that knows about MIME headers and
contains some hooks for decoding encoded and multipart messages.'''
def __init__(self, fp, seekable = 1):
rfc822.Message.__init__(self, fp, seekable)
self.encodingheader = self.getheader('content-transfer-encoding')
self.typeheader = self.getheader('content-type')
self.parsetype()
self.parseplist()
def parsetype(self):
str = self.typeheader
if str is None:
str = 'text/plain'
if ';' in str:
i = str.index(';')
self.plisttext = str[i:]
str = str[:i]
else:
self.plisttext = ''
fields = str.split('/')
for i in range(len(fields)):
fields[i] = fields[i].strip().lower()
self.type = '/'.join(fields)
self.maintype = fields[0]
self.subtype = '/'.join(fields[1:])
def parseplist(self):
str = self.plisttext
self.plist = []
while str[:1] == ';':
str = str[1:]
if ';' in str:
end = str.index(';')
else:
end = len(str)
f = str[:end]
if '=' in f:
i = f.index('=')
f = f[:i].strip().lower() + '=' + f[i + 1:].strip()
self.plist.append(f.strip())
str = str[end:]
def getplist(self):
return self.plist
def getparam(self, name):
name = name.lower() + '='
n = len(name)
for p in self.plist:
if p[:n] == name:
return rfc822.unquote(p[n:])
def getparamnames(self):
result = []
for p in self.plist:
i = p.find('=')
if i >= 0:
result.append(p[:i].lower())
continue
return result
def getencoding(self):
if self.encodingheader is None:
return '7bit'
return None.encodingheader.lower()
def gettype(self):
return self.type
def getmaintype(self):
return self.maintype
def getsubtype(self):
return self.subtype
try:
import thread
except ImportError:
import dummy_thread as thread
_counter_lock = thread.allocate_lock()
del thread
_counter = 0
def _get_next_counter():
global _counter
_counter_lock.acquire()
_counter += 1
result = _counter
_counter_lock.release()
return result
_prefix = None
def choose_boundary():
"""Return a string usable as a multipart boundary.
The string chosen is unique within a single program run, and
incorporates the user id (if available), process id (if available),
and current time. So it's very unlikely the returned string appears
in message text, but there's no guarantee.
The boundary contains dots so you have to quote it in the header."""
global _prefix
import time as time
if _prefix is None:
import socket as socket
try:
hostid = socket.gethostbyname(socket.gethostname())
except socket.gaierror:
hostid = '127.0.0.1'
try:
uid = repr(os.getuid())
except AttributeError:
uid = '1'
try:
pid = repr(os.getpid())
except AttributeError:
pid = '1'
_prefix = hostid + '.' + uid + '.' + pid
return '%s.%.3f.%d' % (_prefix, time.time(), _get_next_counter())
def decode(input, output, encoding):
'''Decode common content-transfer-encodings (base64, quopri, uuencode).'''
if encoding == 'base64':
import base64
return base64.decode(input, output)
if None == 'quoted-printable':
import quopri as quopri
return quopri.decode(input, output)
if None in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu as uu
return uu.decode(input, output)
if None in ('7bit', '8bit'):
return output.write(input.read())
if None in decodetab:
pipethrough(input, decodetab[encoding], output)
else:
raise ValueError, 'unknown Content-Transfer-Encoding: %s' % encoding
def encode(input, output, encoding):
'''Encode common content-transfer-encodings (base64, quopri, uuencode).'''
if encoding == 'base64':
import base64
return base64.encode(input, output)
if None == 'quoted-printable':
import quopri
return quopri.encode(input, output, 0)
if None in ('uuencode', 'x-uuencode', 'uue', 'x-uue'):
import uu
return uu.encode(input, output)
if None in ('7bit', '8bit'):
return output.write(input.read())
if None in encodetab:
pipethrough(input, encodetab[encoding], output)
else:
raise ValueError, 'unknown Content-Transfer-Encoding: %s' % encoding
uudecode_pipe = '(\nTEMP=/tmp/@uu.$$\nsed "s%^begin [0-7][0-7]* .*%begin 600 $TEMP%" | uudecode\ncat $TEMP\nrm $TEMP\n)'
decodetab = {
'uuencode': uudecode_pipe,
'x-uuencode': uudecode_pipe,
'uue': uudecode_pipe,
'x-uue': uudecode_pipe,
'quoted-printable': 'mmencode -u -q',
'base64': 'mmencode -u -b' }
encodetab = {
'x-uuencode': 'uuencode tempfile',
'uuencode': 'uuencode tempfile',
'x-uue': 'uuencode tempfile',
'uue': 'uuencode tempfile',
'quoted-printable': 'mmencode -q',
'base64': 'mmencode -b' }
def pipeto(input, command):
pipe = os.popen(command, 'w')
copyliteral(input, pipe)
pipe.close()
def pipethrough(input, command, output):
(fd, tempname) = tempfile.mkstemp()
temp = os.fdopen(fd, 'w')
copyliteral(input, temp)
temp.close()
pipe = os.popen(command + ' <' + tempname, 'r')
copybinary(pipe, output)
pipe.close()
os.unlink(tempname)
def copyliteral(input, output):
while None:
line = input.readline()
if not line:
break
continue
return None
def copybinary(input, output):
BUFSIZE = 8192
while None:
line = input.read(BUFSIZE)
if not line:
break
continue
return None