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Diffstat (limited to 'Lib/dos-8x3/mimetool.py')
| -rwxr-xr-x | Lib/dos-8x3/mimetool.py | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/Lib/dos-8x3/mimetool.py b/Lib/dos-8x3/mimetool.py deleted file mode 100755 index da955af..0000000 --- a/Lib/dos-8x3/mimetool.py +++ /dev/null @@ -1,229 +0,0 @@ -"""Various tools used by MIME-reading or MIME-writing programs.""" - - -import os -import rfc822 -import string -import tempfile - - -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 == None: - str = 'text/plain' - if ';' in str: - i = string.index(str, ';') - self.plisttext = str[i:] - str = str[:i] - else: - self.plisttext = '' - fields = string.splitfields(str, '/') - for i in range(len(fields)): - fields[i] = string.lower(string.strip(fields[i])) - self.type = string.joinfields(fields, '/') - self.maintype = fields[0] - self.subtype = string.joinfields(fields[1:], '/') - - def parseplist(self): - str = self.plisttext - self.plist = [] - while str[:1] == ';': - str = str[1:] - if ';' in str: - # XXX Should parse quotes! - end = string.index(str, ';') - else: - end = len(str) - f = str[:end] - if '=' in f: - i = string.index(f, '=') - f = string.lower(string.strip(f[:i])) + \ - '=' + string.strip(f[i+1:]) - self.plist.append(string.strip(f)) - str = str[end:] - - def getplist(self): - return self.plist - - def getparam(self, name): - name = string.lower(name) + '=' - n = len(name) - for p in self.plist: - if p[:n] == name: - return rfc822.unquote(p[n:]) - return None - - def getparamnames(self): - result = [] - for p in self.plist: - i = string.find(p, '=') - if i >= 0: - result.append(string.lower(p[:i])) - return result - - def getencoding(self): - if self.encodingheader == None: - return '7bit' - return string.lower(self.encodingheader) - - def gettype(self): - return self.type - - def getmaintype(self): - return self.maintype - - def getsubtype(self): - return self.subtype - - - - -# Utility functions -# ----------------- - - -_prefix = None - -def choose_boundary(): - """Return a random string usable as a multipart boundary. - The method used is so that it is *very* unlikely that the same - string of characters will every occur again in the Universe, - so the caller needn't check the data it is packing for the - occurrence of the boundary. - - The boundary contains dots so you have to quote it in the header.""" - - global _prefix - import time - import random - if _prefix == None: - import socket - import os - hostid = socket.gethostbyname(socket.gethostname()) - try: - uid = `os.getuid()` - except: - uid = '1' - try: - pid = `os.getpid()` - except: - pid = '1' - _prefix = hostid + '.' + uid + '.' + pid - timestamp = '%.3f' % time.time() - seed = `random.randint(0, 32767)` - return _prefix + '.' + timestamp + '.' + seed - - -# Subroutines for decoding some common content-transfer-types - -def decode(input, output, encoding): - """Decode common content-transfer-encodings (base64, quopri, uuencode).""" - if encoding == 'base64': - import base64 - return base64.decode(input, output) - if encoding == 'quoted-printable': - import quopri - return quopri.decode(input, output) - if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'): - import uu - return uu.decode(input, output) - if encoding in ('7bit', '8bit'): - return output.write(input.read()) - if decodetab.has_key(encoding): - 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 encoding == 'quoted-printable': - import quopri - return quopri.encode(input, output, 0) - if encoding in ('uuencode', 'x-uuencode', 'uue', 'x-uue'): - import uu - return uu.encode(input, output) - if encoding in ('7bit', '8bit'): - return output.write(input.read()) - if encodetab.has_key(encoding): - pipethrough(input, encodetab[encoding], output) - else: - raise ValueError, \ - 'unknown Content-Transfer-Encoding: %s' % encoding - -# The following is no longer used for standard encodings - -# XXX This requires that uudecode and mmencode are in $PATH - -uudecode_pipe = '''( -TEMP=/tmp/@uu.$$ -sed "s%^begin [0-7][0-7]* .*%begin 600 $TEMP%" | uudecode -cat $TEMP -rm $TEMP -)''' - -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): - tempname = tempfile.mktemp() - try: - temp = open(tempname, 'w') - except IOError: - print '*** Cannot create temp file', `tempname` - return - copyliteral(input, temp) - temp.close() - pipe = os.popen(command + ' <' + tempname, 'r') - copybinary(pipe, output) - pipe.close() - os.unlink(tempname) - -def copyliteral(input, output): - while 1: - line = input.readline() - if not line: break - output.write(line) - -def copybinary(input, output): - BUFSIZE = 8192 - while 1: - line = input.read(BUFSIZE) - if not line: break - output.write(line) |