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__init__.py	2.22 KB	Del OK
__pycache__	-	Del OK
_encoded_words.py	8.25 KB	Del OK
_header_value_parser.py	102.24 KB	Del OK
_parseaddr.py	16.98 KB	Del OK
_policybase.py	14.3 KB	Del OK
base64mime.py	3.67 KB	Del OK
charset.py	17.03 KB	Del OK
encoders.py	2.73 KB	Del OK
errors.py	3.59 KB	Del OK
feedparser.py	22.2 KB	Del OK
generator.py	19.06 KB	Del OK
header.py	23.88 KB	Del OK
headerregistry.py	20.15 KB	Del OK
iterators.py	2.29 KB	Del OK
message.py	34.41 KB	Del OK
mime	-	Del OK
parser.py	5.19 KB	Del OK
policy.py	8.62 KB	Del OK
quoprimime.py	10.67 KB	Del OK
utils.py	13.94 KB	Del OK

Edit: _parseaddr.py

# 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. """ from __future__ import unicode_literals from __future__ import print_function from __future__ import division from __future__ import absolute_import from future.builtins import int __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. """ res = _parsedate_tz(data) if not res: return if res[9] is None: res[9] = 0 return tuple(res) def _parsedate_tz(data): """Convert date to extended time tuple. The last (additional) element is the time zone offset in seconds, except if the timezone was specified as -0000. In that case the last element is None. This indicates a UTC timestamp that explicitly declaims knowledge of the source timezone, as opposed to a +0000 timestamp that indicates the source timezone really was UTC. """ if not data: return 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 == -1: i = s.find('-') if i > 0: data[3:] = [s[:i], s[i:]] 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 elif len(tm) == 1 and '.' in tm[0]: # Some non-compliant MUAs use '.' to separate time elements. tm = tm[0].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 if tzoffset==0 and tz.startswith('-'): tzoffset = None # 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(object): """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 email.utils.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): """Skip white space and extract comments.""" wslist = [] while self.pos < len(self.field): if self.field[self.pos] in self.LWS + '\n\r': if self.field[self.pos] not in '\n\r': wslist.append(self.field[self.pos]) self.pos += 1 elif self.field[self.pos] == '(': self.commentlist.append(self.getcomment()) else: break return EMPTYSTRING.join(wslist) 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): preserve_ws = True if self.field[self.pos] == '.': if aslist and not aslist[-1].strip(): aslist.pop() aslist.append('.') self.pos += 1 preserve_ws = False elif self.field[self.pos] == '"': aslist.append('"%s"' % quote(self.getquote())) elif self.field[self.pos] in self.atomends: if aslist and not aslist[-1].strip(): aslist.pop() break else: aslist.append(self.getatom()) ws = self.gotonext() if preserve_ws and ws: aslist.append(ws) if self.pos >= len(self.field) or self.field[self.pos] != '@': return EMPTYSTRING.join(aslist) aslist.append('@') self.pos += 1 self.gotonext() return EMPTYSTRING.join(aslist) + self.getdomain() 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] 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]
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