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A code cleansing pass
This commit is contained in:
Barry Warsaw
parent
faf5e4d48f
commit
5c8fef903d
@ -6,6 +6,17 @@ Lifted directly from rfc822.py. This should eventually be rewritten.
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"""
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import time
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from types import TupleType
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try:
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True, False
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except NameError:
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True = 1
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False = 0
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SPACE = ' '
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EMPTYSTRING = ''
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COMMASPACE = ', '
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# Parse a date field
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_monthnames = ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul',
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@ -55,12 +66,13 @@ def parsedate_tz(data):
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data = data[:5]
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[dd, mm, yy, tm, tz] = data
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mm = mm.lower()
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if not mm in _monthnames:
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if mm not in _monthnames:
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dd, mm = mm, dd.lower()
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if not mm in _monthnames:
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if mm not in _monthnames:
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return None
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mm = _monthnames.index(mm)+1
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if mm > 12: mm = mm - 12
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mm = _monthnames.index(mm) + 1
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if mm > 12:
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mm -= 12
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if dd[-1] == ',':
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dd = dd[:-1]
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i = yy.find(':')
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@ -112,9 +124,10 @@ def parsedate_tz(data):
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def parsedate(data):
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"""Convert a time string to a time tuple."""
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t = parsedate_tz(data)
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if type(t) == type( () ):
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if isinstance(t, TupleType):
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return t[:9]
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else: return t
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else:
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return t
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def mktime_tz(data):
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@ -164,10 +177,11 @@ class AddrlistClass:
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"""Parse up to the start of the next address."""
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while self.pos < len(self.field):
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if self.field[self.pos] in self.LWS + '\n\r':
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self.pos = self.pos + 1
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self.pos += 1
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elif self.field[self.pos] == '(':
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self.commentlist.append(self.getcomment())
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else: break
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else:
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break
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def getaddrlist(self):
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"""Parse all addresses.
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@ -175,7 +189,7 @@ class AddrlistClass:
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Returns a list containing all of the addresses.
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"""
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result = []
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while 1:
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while True:
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ad = self.getaddress()
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if ad:
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result += ad
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@ -198,7 +212,7 @@ class AddrlistClass:
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if self.pos >= len(self.field):
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# Bad email address technically, no domain.
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if plist:
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returnlist = [(' '.join(self.commentlist), plist[0])]
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returnlist = [(SPACE.join(self.commentlist), plist[0])]
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elif self.field[self.pos] in '.@':
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# email address is just an addrspec
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@ -206,18 +220,18 @@ class AddrlistClass:
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self.pos = oldpos
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self.commentlist = oldcl
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addrspec = self.getaddrspec()
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returnlist = [(' '.join(self.commentlist), addrspec)]
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returnlist = [(SPACE.join(self.commentlist), addrspec)]
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elif self.field[self.pos] == ':':
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# address is a group
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returnlist = []
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fieldlen = len(self.field)
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self.pos = self.pos + 1
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self.pos += 1
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while self.pos < len(self.field):
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self.gotonext()
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if self.pos < fieldlen and self.field[self.pos] == ';':
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self.pos = self.pos + 1
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self.pos += 1
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break
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returnlist = returnlist + self.getaddress()
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@ -226,19 +240,20 @@ class AddrlistClass:
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routeaddr = self.getrouteaddr()
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if self.commentlist:
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returnlist = [(' '.join(plist) + ' (' + \
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' '.join(self.commentlist) + ')', routeaddr)]
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else: returnlist = [(' '.join(plist), routeaddr)]
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returnlist = [(SPACE.join(plist) + ' (' +
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' '.join(self.commentlist) + ')', routeaddr)]
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else:
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returnlist = [(SPACE.join(plist), routeaddr)]
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else:
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if plist:
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returnlist = [(' '.join(self.commentlist), plist[0])]
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returnlist = [(SPACE.join(self.commentlist), plist[0])]
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elif self.field[self.pos] in self.specials:
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self.pos = self.pos + 1
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self.pos += 1
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self.gotonext()
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if self.pos < len(self.field) and self.field[self.pos] == ',':
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self.pos = self.pos + 1
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self.pos += 1
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return returnlist
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def getrouteaddr(self):
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@ -249,25 +264,25 @@ class AddrlistClass:
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if self.field[self.pos] != '<':
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return
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expectroute = 0
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self.pos = self.pos + 1
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expectroute = False
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self.pos += 1
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self.gotonext()
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adlist = ""
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adlist = ''
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while self.pos < len(self.field):
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if expectroute:
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self.getdomain()
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expectroute = 0
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expectroute = False
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elif self.field[self.pos] == '>':
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self.pos = self.pos + 1
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self.pos += 1
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break
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elif self.field[self.pos] == '@':
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self.pos = self.pos + 1
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expectroute = 1
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self.pos += 1
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expectroute = True
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elif self.field[self.pos] == ':':
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self.pos = self.pos + 1
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self.pos += 1
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else:
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adlist = self.getaddrspec()
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self.pos = self.pos + 1
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self.pos += 1
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break
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self.gotonext()
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@ -281,41 +296,43 @@ class AddrlistClass:
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while self.pos < len(self.field):
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if self.field[self.pos] == '.':
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aslist.append('.')
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self.pos = self.pos + 1
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self.pos += 1
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elif self.field[self.pos] == '"':
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aslist.append('"%s"' % self.getquote())
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elif self.field[self.pos] in self.atomends:
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break
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else: aslist.append(self.getatom())
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else:
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aslist.append(self.getatom())
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self.gotonext()
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if self.pos >= len(self.field) or self.field[self.pos] != '@':
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return ''.join(aslist)
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return EMPTYSTRING.join(aslist)
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aslist.append('@')
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self.pos = self.pos + 1
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self.pos += 1
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self.gotonext()
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return ''.join(aslist) + self.getdomain()
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return EMPTYSTRING.join(aslist) + self.getdomain()
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def getdomain(self):
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"""Get the complete domain name from an address."""
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sdlist = []
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while self.pos < len(self.field):
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if self.field[self.pos] in self.LWS:
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self.pos = self.pos + 1
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self.pos += 1
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elif self.field[self.pos] == '(':
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self.commentlist.append(self.getcomment())
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elif self.field[self.pos] == '[':
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sdlist.append(self.getdomainliteral())
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elif self.field[self.pos] == '.':
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self.pos = self.pos + 1
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self.pos += 1
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sdlist.append('.')
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elif self.field[self.pos] in self.atomends:
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break
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else: sdlist.append(self.getatom())
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return ''.join(sdlist)
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else:
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sdlist.append(self.getatom())
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return EMPTYSTRING.join(sdlist)
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def getdelimited(self, beginchar, endchars, allowcomments = 1):
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def getdelimited(self, beginchar, endchars, allowcomments=True):
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"""Parse a header fragment delimited by special characters.
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`beginchar' is the start character for the fragment.
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@ -332,36 +349,36 @@ class AddrlistClass:
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return ''
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slist = ['']
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quote = 0
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self.pos = self.pos + 1
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quote = False
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self.pos += 1
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while self.pos < len(self.field):
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if quote == 1:
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if quote:
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slist.append(self.field[self.pos])
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quote = 0
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quote = False
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elif self.field[self.pos] in endchars:
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self.pos = self.pos + 1
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self.pos += 1
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break
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elif allowcomments and self.field[self.pos] == '(':
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slist.append(self.getcomment())
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elif self.field[self.pos] == '\\':
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quote = 1
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quote = True
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else:
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slist.append(self.field[self.pos])
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self.pos = self.pos + 1
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self.pos += 1
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return ''.join(slist)
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return EMPTYSTRING.join(slist)
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def getquote(self):
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"""Get a quote-delimited fragment from self's field."""
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return self.getdelimited('"', '"\r', 0)
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return self.getdelimited('"', '"\r', False)
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def getcomment(self):
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"""Get a parenthesis-delimited fragment from self's field."""
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return self.getdelimited('(', ')\r', 1)
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return self.getdelimited('(', ')\r', True)
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def getdomainliteral(self):
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"""Parse an RFC 2822 domain-literal."""
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return '[%s]' % self.getdelimited('[', ']\r', 0)
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return '[%s]' % self.getdelimited('[', ']\r', False)
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def getatom(self, atomends=None):
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"""Parse an RFC 2822 atom.
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@ -377,10 +394,11 @@ class AddrlistClass:
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while self.pos < len(self.field):
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if self.field[self.pos] in atomends:
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break
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else: atomlist.append(self.field[self.pos])
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self.pos = self.pos + 1
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else:
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atomlist.append(self.field[self.pos])
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self.pos += 1
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return ''.join(atomlist)
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return EMPTYSTRING.join(atomlist)
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def getphraselist(self):
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"""Parse a sequence of RFC 2822 phrases.
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@ -393,14 +411,15 @@ class AddrlistClass:
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while self.pos < len(self.field):
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if self.field[self.pos] in self.LWS:
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self.pos = self.pos + 1
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self.pos += 1
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elif self.field[self.pos] == '"':
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plist.append(self.getquote())
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elif self.field[self.pos] == '(':
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self.commentlist.append(self.getcomment())
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elif self.field[self.pos] in self.phraseends:
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break
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else: plist.append(self.getatom(self.phraseends))
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else:
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plist.append(self.getatom(self.phraseends))
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return plist
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@ -417,7 +436,7 @@ class AddressList(AddrlistClass):
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return len(self.addresslist)
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def __str__(self):
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return ", ".join(map(dump_address_pair, self.addresslist))
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return COMMASPACE.join(map(dump_address_pair, self.addresslist))
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def __add__(self, other):
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# Set union
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