cpython-lru_cache-weakref: Lib/rfc822.py annotate

annotate Lib/rfc822.py @ 5817:48b94de85bf3 legacy-trunk

Extensive changes by AMK.

author	Guido van Rossum <guido@python.org>
date	Thu, 17 Jul 1997 16:29:42 +0000
parents	e05480db71ab
children	466664ad38e4

rev	line source
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	1 # RFC-822 message manipulation class.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	2 #
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	3 # XXX This is only a very rough sketch of a full RFC-822 parser;
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	4 # in particular the tokenizing of addresses does not adhere to all the
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	5 # quoting rules.
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	6 #
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	7 # Directions for use:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	8 #
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	9 # To create a Message object: first open a file, e.g.:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	10 # fp = open(file, 'r')
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	11 # (or use any other legal way of getting an open file object, e.g. use
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	12 # sys.stdin or call os.popen()).
1435 560ec7030817 * Mass change: get rid of all init() methods, in favor of __init__() Guido van Rossum <guido@python.org> parents: 914 diff changeset	13 # Then pass the open file object to the Message() constructor:
560ec7030817 * Mass change: get rid of all init() methods, in favor of __init__() Guido van Rossum <guido@python.org> parents: 914 diff changeset	14 # m = Message(fp)
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	15 #
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	16 # To get the text of a particular header there are several methods:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	17 # str = m.getheader(name)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	18 # str = m.getrawheader(name)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	19 # where name is the name of the header, e.g. 'Subject'.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	20 # The difference is that getheader() strips the leading and trailing
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	21 # whitespace, while getrawheader() doesn't. Both functions retain
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	22 # embedded whitespace (including newlines) exactly as they are
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	23 # specified in the header, and leave the case of the text unchanged.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	24 #
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	25 # For addresses and address lists there are functions
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	26 # realname, mailaddress = m.getaddr(name) and
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	27 # list = m.getaddrlist(name)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	28 # where the latter returns a list of (realname, mailaddr) tuples.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	29 #
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	30 # There is also a method
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	31 # time = m.getdate(name)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	32 # which parses a Date-like field and returns a time-compatible tuple,
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	33 # i.e. a tuple such as returned by time.localtime() or accepted by
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	34 # time.mktime().
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	35 #
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	36 # See the class definition for lower level access methods.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	37 #
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	38 # There are also some utility functions here.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	39
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	40
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	41 import regex
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	42 import string
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	43 import time
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	44
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	45
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	46 _blanklines = ('\r\n', '\n') # Optimization for islast()
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	47
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	48
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	49 class Message:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	50
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	51 # Initialize the class instance and read the headers.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	52
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	53 def __init__(self, fp, seekable = 1):
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	54 self.fp = fp
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	55 self.seekable = seekable
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	56 self.startofheaders = None
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	57 self.startofbody = None
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	58 #
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	59 if self.seekable:
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	60 try:
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	61 self.startofheaders = self.fp.tell()
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	62 except IOError:
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	63 self.seekable = 0
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	64 #
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	65 self.readheaders()
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	66 #
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	67 if self.seekable:
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	68 try:
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	69 self.startofbody = self.fp.tell()
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	70 except IOError:
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	71 self.seekable = 0
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	72
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	73
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	74 # Rewind the file to the start of the body (if seekable).
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	75
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	76 def rewindbody(self):
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	77 if not self.seekable:
4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	78 raise IOError, "unseekable file"
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	79 self.fp.seek(self.startofbody)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	80
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	81
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	82 # Read header lines up to the entirely blank line that
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	83 # terminates them. The (normally blank) line that ends the
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	84 # headers is skipped, but not included in the returned list.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	85 # If a non-header line ends the headers, (which is an error),
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	86 # an attempt is made to backspace over it; it is never
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	87 # included in the returned list.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	88 #
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	89 # The variable self.status is set to the empty string if all
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	90 # went well, otherwise it is an error message.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	91 # The variable self.headers is a completely uninterpreted list
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	92 # of lines contained in the header (so printing them will
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	93 # reproduce the header exactly as it appears in the file).
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	94
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	95 def readheaders(self):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	96 self.dict = {}
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	97 self.unixfrom = ''
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	98 self.headers = list = []
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	99 self.status = ''
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	100 headerseen = ""
2725 8222041f5a91 Skip old-style 'From name time' lines at beginning of message. Jack Jansen <jack.jansen@cwi.nl> parents: 1872 diff changeset	101 firstline = 1
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	102 while 1:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	103 line = self.fp.readline()
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	104 if not line:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	105 self.status = 'EOF in headers'
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	106 break
2725 8222041f5a91 Skip old-style 'From name time' lines at beginning of message. Jack Jansen <jack.jansen@cwi.nl> parents: 1872 diff changeset	107 # Skip unix From name time lines
2745 3d5ec1c22055 Removed >From stuff Jack Jansen <jack.jansen@cwi.nl> parents: 2725 diff changeset	108 if firstline and line[:5] == 'From ':
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	109 self.unixfrom = self.unixfrom + line
2725 8222041f5a91 Skip old-style 'From name time' lines at beginning of message. Jack Jansen <jack.jansen@cwi.nl> parents: 1872 diff changeset	110 continue
8222041f5a91 Skip old-style 'From name time' lines at beginning of message. Jack Jansen <jack.jansen@cwi.nl> parents: 1872 diff changeset	111 firstline = 0
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	112 if self.islast(line):
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	113 break
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	114 elif headerseen and line[0] in ' \t':
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	115 # It's a continuation line.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	116 list.append(line)
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	117 x = (self.dict[headerseen] + "\n " +
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	118 string.strip(line))
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	119 self.dict[headerseen] = string.strip(x)
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	120 elif ':' in line:
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	121 # It's a header line.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	122 list.append(line)
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	123 i = string.find(line, ':')
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	124 headerseen = string.lower(line[:i])
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	125 self.dict[headerseen] = string.strip(
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	126 line[i+1:])
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	127 else:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	128 # It's not a header line; stop here.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	129 if not headerseen:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	130 self.status = 'No headers'
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	131 else:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	132 self.status = 'Bad header'
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	133 # Try to undo the read.
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	134 if self.seekable:
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	135 self.fp.seek(-len(line), 1)
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	136 else:
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	137 self.status = \
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	138 self.status + '; bad seek'
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	139 break
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	140
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	141
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	142 # Method to determine whether a line is a legal end of
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	143 # RFC-822 headers. You may override this method if your
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	144 # application wants to bend the rules, e.g. to strip trailing
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	145 # whitespace, or to recognise MH template separators
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	146 # ('--------'). For convenience (e.g. for code reading from
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	147 # sockets) a line consisting of \r\n also matches.
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	148
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	149 def islast(self, line):
2780 4113f4fbaae5 added seekable option; save unix from lines; speed up islast() Guido van Rossum <guido@python.org> parents: 2745 diff changeset	150 return line in _blanklines
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	151
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	152
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	153 # Look through the list of headers and find all lines matching
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	154 # a given header name (and their continuation lines).
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	155 # A list of the lines is returned, without interpretation.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	156 # If the header does not occur, an empty list is returned.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	157 # If the header occurs multiple times, all occurrences are
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	158 # returned. Case is not important in the header name.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	159
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	160 def getallmatchingheaders(self, name):
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	161 name = string.lower(name) + ':'
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	162 n = len(name)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	163 list = []
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	164 hit = 0
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	165 for line in self.headers:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	166 if string.lower(line[:n]) == name:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	167 hit = 1
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	168 elif line[:1] not in string.whitespace:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	169 hit = 0
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	170 if hit:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	171 list.append(line)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	172 return list
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	173
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	174
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	175 # Similar, but return only the first matching header (and its
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	176 # continuation lines).
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	177
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	178 def getfirstmatchingheader(self, name):
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	179 name = string.lower(name) + ':'
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	180 n = len(name)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	181 list = []
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	182 hit = 0
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	183 for line in self.headers:
1778 ffdfaf1b24d5 * Lib/rfc822.py: fix two bugs: error in readheaders interpreting Guido van Rossum <guido@python.org> parents: 1746 diff changeset	184 if hit:
ffdfaf1b24d5 * Lib/rfc822.py: fix two bugs: error in readheaders interpreting Guido van Rossum <guido@python.org> parents: 1746 diff changeset	185 if line[:1] not in string.whitespace:
ffdfaf1b24d5 * Lib/rfc822.py: fix two bugs: error in readheaders interpreting Guido van Rossum <guido@python.org> parents: 1746 diff changeset	186 break
ffdfaf1b24d5 * Lib/rfc822.py: fix two bugs: error in readheaders interpreting Guido van Rossum <guido@python.org> parents: 1746 diff changeset	187 elif string.lower(line[:n]) == name:
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	188 hit = 1
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	189 if hit:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	190 list.append(line)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	191 return list
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	192
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	193
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	194 # A higher-level interface to getfirstmatchingheader().
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	195 # Return a string containing the literal text of the header
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	196 # but with the keyword stripped. All leading, trailing and
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	197 # embedded whitespace is kept in the string, however.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	198 # Return None if the header does not occur.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	199
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	200 def getrawheader(self, name):
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	201 list = self.getfirstmatchingheader(name)
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	202 if not list:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	203 return None
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	204 list[0] = list[0][len(name) + 1:]
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	205 return string.joinfields(list, '')
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	206
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	207
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	208 # The normal interface: return a stripped version of the
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	209 # header value with a name, or None if it doesn't exist. This
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	210 # uses the dictionary version which finds the last such
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	211 # header.
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	212
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	213 def getheader(self, name):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	214 try:
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	215 return self.dict[string.lower(name)]
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	216 except KeyError:
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	217 return None
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	218
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	219
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	220 # Retrieve a single address from a header as a tuple, e.g.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	221 # ('Guido van Rossum', 'guido@cwi.nl').
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	222
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	223 def getaddr(self, name):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	224 try:
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	225 data = self[name]
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	226 except KeyError:
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	227 return None, None
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	228 return parseaddr(data)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	229
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	230 # Retrieve a list of addresses from a header, where each
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	231 # address is a tuple as returned by getaddr().
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	232
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	233 def getaddrlist(self, name):
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	234 # XXX This function is not really correct. The split
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	235 # on ',' might fail in the case of commas within
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	236 # quoted strings.
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	237 try:
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	238 data = self[name]
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	239 except KeyError:
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	240 return []
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	241 data = string.splitfields(data, ',')
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	242 for i in range(len(data)):
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	243 data[i] = parseaddr(data[i])
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	244 return data
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	245
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	246 # Retrieve a date field from a header as a tuple compatible
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	247 # with time.mktime().
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	248
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	249 def getdate(self, name):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	250 try:
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	251 data = self[name]
c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	252 except KeyError:
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	253 return None
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	254 return parsedate(data)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	255
4559 adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	256 # Retrieve a date field from a header as a 10-tuple.
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	257 # The first 9 elements make up a tuple compatible
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	258 # with time.mktime(), and the 10th is the offset
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	259 # of the poster's time zone from GMT/UTC.
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	260
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	261 def getdate_tz(self, name):
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	262 try:
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	263 data = self[name]
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	264 except KeyError:
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	265 return None
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	266 return parsedate_tz(data)
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	267
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	268
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	269 # Access as a dictionary (only finds last header of each type):
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	270
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	271 def __len__(self):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	272 return len(self.dict)
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	273
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	274 def __getitem__(self, name):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	275 return self.dict[string.lower(name)]
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	276
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	277 def has_key(self, name):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	278 return self.dict.has_key(string.lower(name))
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	279
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	280 def keys(self):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	281 return self.dict.keys()
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	282
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	283 def values(self):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	284 return self.dict.values()
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	285
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	286 def items(self):
3638 c283b7bbda09 optimization of getheader() using a dictionary Guido van Rossum <guido@python.org> parents: 2780 diff changeset	287 return self.dict.items()
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	288
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	289
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	290
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	291 # Utility functions
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	292 # -----------------
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	293
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	294 # XXX Should fix these to be really conformant.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	295 # XXX The inverses of the parse functions may also be useful.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	296
914 74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	297
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	298 # Remove quotes from a string.
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	299
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	300 def unquote(str):
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	301 if len(str) > 1:
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	302 if str[0] == '"' and str[-1:] == '"':
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	303 return str[1:-1]
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	304 if str[0] == '<' and str[-1:] == '>':
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	305 return str[1:-1]
74b716e9ac49 New modules mimetools and rfc822. Guido van Rossum <guido@python.org> parents: diff changeset	306 return str
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	307
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	308
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	309 # Parse an address into (name, address) tuple
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	310
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	311 def parseaddr(address):
3824 820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	312 import string
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	313 str = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	314 email = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	315 comment = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	316 backslash = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	317 dquote = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	318 space = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	319 paren = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	320 bracket = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	321 seen_bracket = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	322 for c in address:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	323 if backslash:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	324 str = str + c
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	325 backslash = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	326 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	327 if c == '\\':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	328 backslash = 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	329 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	330 if dquote:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	331 if c == '"':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	332 dquote = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	333 else:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	334 str = str + c
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	335 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	336 if c == '"':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	337 dquote = 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	338 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	339 if c in string.whitespace:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	340 space = 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	341 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	342 if space:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	343 str = str + ' '
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	344 space = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	345 if paren:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	346 if c == '(':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	347 paren = paren + 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	348 str = str + c
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	349 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	350 if c == ')':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	351 paren = paren - 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	352 if paren == 0:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	353 comment = comment + str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	354 str = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	355 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	356 if c == '(':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	357 paren = paren + 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	358 if bracket:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	359 email = email + str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	360 str = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	361 elif not seen_bracket:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	362 email = email + str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	363 str = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	364 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	365 if bracket:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	366 if c == '>':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	367 bracket = 0
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	368 email = email + str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	369 str = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	370 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	371 if c == '<':
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	372 bracket = 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	373 seen_bracket = 1
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	374 comment = comment + str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	375 str = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	376 email = ''
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	377 continue
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	378 if c == '#' and not bracket and not paren:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	379 # rest is comment
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	380 break
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	381 str = str + c
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	382 if str:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	383 if seen_bracket:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	384 if bracket:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	385 email = str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	386 else:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	387 comment = comment + str
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	388 else:
3824 820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	389 if paren:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	390 comment = comment + str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	391 else:
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	392 email = email + str
820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	393 return string.strip(comment), string.strip(email)
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	394
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	395
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	396 # Parse a date field
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	397
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	398 _monthnames = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul',
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	399 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	400
4559 adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	401 # The timezone table does not include the military time zones defined
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	402 # in RFC822, other than Z. According to RFC1123, the description in
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	403 # RFC822 gets the signs wrong, so we can't rely on any such time
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	404 # zones. RFC1123 recommends that numeric timezone indicators be used
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	405 # instead of timezone names.
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	406
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	407 _timezones = {'UT':0, 'UTC':0, 'GMT':0, 'Z':0,
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	408 'AST': -400, 'ADT': -300, # Atlantic standard
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	409 'EST': -500, 'EDT': -400, # Eastern
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	410 'CST': -600, 'CDT':-500, # Centreal
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	411 'MST':-700, 'MDT':-600, # Mountain
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	412 'PST':-800, 'PDT':-700 # Pacific
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	413 }
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	414
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	415 def parsedate_tz(data):
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	416 data = string.split(data)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	417 if data[0][-1] == ',':
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	418 # There's a dayname here. Skip it
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	419 del data[0]
4835 e05480db71ab Added support for RFC 850 style dates, as used by some HTTP servers Guido van Rossum <guido@python.org> parents: 4696 diff changeset	420 if len(data) == 3: # RFC 850 date, deprecated
e05480db71ab Added support for RFC 850 style dates, as used by some HTTP servers Guido van Rossum <guido@python.org> parents: 4696 diff changeset	421 stuff = string.split(data[0], '-')
e05480db71ab Added support for RFC 850 style dates, as used by some HTTP servers Guido van Rossum <guido@python.org> parents: 4696 diff changeset	422 if len(stuff) == 3:
e05480db71ab Added support for RFC 850 style dates, as used by some HTTP servers Guido van Rossum <guido@python.org> parents: 4696 diff changeset	423 data = stuff + data[1:]
1872 32e6c3a671d0 mhlib.py: delay opening of sequences file so we don't overwrite it when Guido van Rossum <guido@python.org> parents: 1778 diff changeset	424 if len(data) == 4:
32e6c3a671d0 mhlib.py: delay opening of sequences file so we don't overwrite it when Guido van Rossum <guido@python.org> parents: 1778 diff changeset	425 s = data[3]
32e6c3a671d0 mhlib.py: delay opening of sequences file so we don't overwrite it when Guido van Rossum <guido@python.org> parents: 1778 diff changeset	426 i = string.find(s, '+')
32e6c3a671d0 mhlib.py: delay opening of sequences file so we don't overwrite it when Guido van Rossum <guido@python.org> parents: 1778 diff changeset	427 if i > 0:
32e6c3a671d0 mhlib.py: delay opening of sequences file so we don't overwrite it when Guido van Rossum <guido@python.org> parents: 1778 diff changeset	428 data[3:] = [s[:i], s[i+1:]]
32e6c3a671d0 mhlib.py: delay opening of sequences file so we don't overwrite it when Guido van Rossum <guido@python.org> parents: 1778 diff changeset	429 else:
32e6c3a671d0 mhlib.py: delay opening of sequences file so we don't overwrite it when Guido van Rossum <guido@python.org> parents: 1778 diff changeset	430 data.append('') # Dummy tz
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	431 if len(data) < 5:
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	432 return None
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	433 data = data[:5]
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	434 [dd, mm, yy, tm, tz] = data
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	435 if not mm in _monthnames:
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	436 return None
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	437 mm = _monthnames.index(mm)+1
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	438 tm = string.splitfields(tm, ':')
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	439 if len(tm) == 2:
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	440 [thh, tmm] = tm
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	441 tss = '0'
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	442 else:
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	443 [thh, tmm, tss] = tm
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	444 try:
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	445 yy = string.atoi(yy)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	446 dd = string.atoi(dd)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	447 thh = string.atoi(thh)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	448 tmm = string.atoi(tmm)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	449 tss = string.atoi(tss)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	450 except string.atoi_error:
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	451 return None
4559 adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	452 tzoffset=0
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	453 tz=string.upper(tz)
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	454 if _timezones.has_key(tz):
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	455 tzoffset=_timezones[tz]
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	456 else:
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	457 try:
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	458 tzoffset=string.atoi(tz)
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	459 except string.atoi_error:
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	460 pass
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	461 # Convert a timezone offset into seconds ; -0500 -> -18000
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	462 if tzoffset<0: tzsign=-1
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	463 else: tzsign=1
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	464 tzoffset=tzoffset*tzsign
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	465 tzoffset = tzsign * ( (tzoffset/100)3600 + (tzoffset % 100)60)
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	466 tuple = (yy, mm, dd, thh, tmm, tss, 0, 0, 0, tzoffset)
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	467 return tuple
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	468
4559 adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	469 def parsedate(data):
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	470 t=parsedate_tz(data)
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	471 if type(t)==type( () ):
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	472 return t[:9]
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	473 else: return t
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	474
4696 de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	475 def mktime_tz(data):
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	476 """Turn a 10-tuple as returned by parsedate_tz() into a UTC timestamp.
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	477
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	478 Minor glitch: this first interprets the first 8 elements as a
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	479 local time and then compensates for the timezone difference;
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	480 this may yield a slight error around daylight savings time
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	481 switch dates. Not enough to worry about for common use.
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	482
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	483 """
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	484 t = time.mktime(data[:8] + (0,))
de27da5f22f1 Add mktime_tz() which turns a date_tz 10-tuple into a standard Unix timestamp. Guido van Rossum <guido@python.org> parents: 4559 diff changeset	485 return t + data[9] - time.timezone
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	486
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	487 # When used as script, run a small test program.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	488 # The first command line argument must be a filename containing one
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	489 # message in RFC-822 format.
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	490
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	491 if __name__ == '__main__':
3824 820aba1046c3 New, improved parseaddr() by Sjoerd. Guido van Rossum <guido@python.org> parents: 3638 diff changeset	492 import sys, os
4559 adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	493 file = os.path.join(os.environ['HOME'], 'Mail/inbox/1')
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	494 if sys.argv[1:]: file = sys.argv[1]
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	495 f = open(file, 'r')
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	496 m = Message(f)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	497 print 'From:', m.getaddr('from')
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	498 print 'To:', m.getaddrlist('to')
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	499 print 'Subject:', m.getheader('subject')
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	500 print 'Date:', m.getheader('date')
4559 adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	501 date = m.getdate_tz('date')
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	502 if date:
4559 adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	503 print 'ParsedDate:', time.asctime(date[:-1]),
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	504 hhmmss = date[-1]
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	505 hhmm, ss = divmod(hhmmss, 60)
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	506 hh, mm = divmod(hhmm, 60)
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	507 print "%+03d%02d" % (hh, mm),
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	508 if ss: print ".%02d" % ss,
adbcc0ab9eb6 Added support for timezone in date field. getdate_tz() and Guido van Rossum <guido@python.org> parents: 3824 diff changeset	509 print
1746 1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	510 else:
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	511 print 'ParsedDate:', None
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	512 m.rewindbody()
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	513 n = 0
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	514 while f.readline():
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	515 n = n + 1
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	516 print 'Lines:', n
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	517 print '-'*70
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	518 print 'len =', len(m)
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	519 if m.has_key('Date'): print 'Date =', m['Date']
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	520 if m.has_key('X-Nonsense'): pass
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	521 print 'keys =', m.keys()
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	522 print 'values =', m.values()
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	523 print 'items =', m.items()
1940892d2fe3 Merge alpha100 branch back to main trunk Guido van Rossum <guido@python.org> parents: 1435 diff changeset	524

Mercurial > cpython-lru_cache-weakref

annotate Lib/rfc822.py @ 5817:48b94de85bf3 legacy-trunk