Mercurial > cpython-lru_cache-weakref

annotate Lib/tzparse.py @ 6719:faebc1940432 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Understand -Xlinker option.
author Guido van Rossum <guido@python.org>
date Tue, 02 Dec 1997 20:38:11 +0000
parents 24da035ceb6e
children 6f4146846337
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
1 # Parse a timezone specification.
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
2 # XXX Unfinished.
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
3 # XXX Only the typical form "XXXhhYYY;ddd/hh,ddd/hh" is currently supported.
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
4
6519
24da035ceb6e Convert all remaining *simple* cases of regex usage to re usage.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
5 tzpat = ('^([A-Z][A-Z][A-Z])([-+]?[0-9]+)([A-Z][A-Z][A-Z]);'
24da035ceb6e Convert all remaining *simple* cases of regex usage to re usage.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
6 '([0-9]+)/([0-9]+),([0-9]+)/([0-9]+)$')
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
7
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
8 tzprog = None
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
9
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
10 def tzparse(tzstr):
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
11 global tzprog
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
12 if tzprog == None:
6519
24da035ceb6e Convert all remaining *simple* cases of regex usage to re usage.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
13 import re
24da035ceb6e Convert all remaining *simple* cases of regex usage to re usage.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
14 tzprog = re.compile(tzpat)
24da035ceb6e Convert all remaining *simple* cases of regex usage to re usage.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
15 match = tzprog.match(tzstr)
24da035ceb6e Convert all remaining *simple* cases of regex usage to re usage.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
16 if not match:
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
17 raise ValueError, 'not the TZ syntax I understand'
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
18 subs = []
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
19 for i in range(1, 8):
6519
24da035ceb6e Convert all remaining *simple* cases of regex usage to re usage.
Guido van Rossum <guido@python.org>
parents: 1746
diff changeset
20 subs.append(match.group(i))
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
21 for i in (1, 3, 4, 5, 6):
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
22 subs[i] = eval(subs[i])
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
23 [tzname, delta, dstname, daystart, hourstart, dayend, hourend] = subs
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
24 return (tzname, delta, dstname, daystart, hourstart, dayend, hourend)
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
25
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
26 def tzlocaltime(secs, params):
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
27 import time
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
28 (tzname, delta, dstname, daystart, hourstart, dayend, hourend) = params
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
29 year, month, days, hours, mins, secs, yday, wday, isdst = \
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
30 time.gmtime(secs - delta*3600)
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
31 if (daystart, hourstart) <= (yday+1, hours) < (dayend, hourend):
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
32 tzname = dstname
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
33 hours = hours + 1
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
34 return year, month, days, hours, mins, secs, yday, wday, tzname
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
35
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
36 def tzset():
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
37 global tzparams, timezone, altzone, daylight, tzname
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
38 import os
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
39 tzstr = os.environ['TZ']
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
40 tzparams = tzparse(tzstr)
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
41 timezone = tzparams[1] * 3600
1260
b120cdd30fbc * Fix bug in tzparse.py for DST timezone
Guido van Rossum <guido@python.org>
parents: 1078
diff changeset
42 altzone = timezone - 3600
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
43 daylight = 1
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
44 tzname = tzparams[0], tzparams[2]
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
45
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
46 def isdst(secs):
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
47 import time
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
48 (tzname, delta, dstname, daystart, hourstart, dayend, hourend) = \
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
49 tzparams
1315
acdc0b9a6c78 * aifc.py: don't die on invalid MARK chunk
Guido van Rossum <guido@python.org>
parents: 1260
diff changeset
50 year, month, days, hours, mins, secs, yday, wday, isdst = \
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
51 time.gmtime(secs - delta*3600)
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
52 return (daystart, hourstart) <= (yday+1, hours) < (dayend, hourend)
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
53
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
54 tzset()
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
55
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
56 def localtime(secs):
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
57 return tzlocaltime(secs, tzparams)
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
58
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
59 def test():
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
60 from time import asctime, gmtime
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
61 import time, sys
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
62 now = time.time()
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
63 x = localtime(now)
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
64 tm = x[:-1] + (0,)
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
65 print 'now =', now, '=', asctime(tm), x[-1]
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
66 now = now - now % (24*3600)
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
67 if sys.argv[1:]: now = now + eval(sys.argv[1])
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
68 x = gmtime(now)
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
69 tm = x[:-1] + (0,)
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
70 print 'gmtime =', now, '=', asctime(tm), 'yday =', x[-2]
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
71 jan1 = now - x[-2]*24*3600
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
72 x = localtime(jan1)
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
73 tm = x[:-1] + (0,)
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
74 print 'jan1 =', jan1, '=', asctime(tm), x[-1]
1078
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
75 for d in range(85, 95) + range(265, 275):
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
76 t = jan1 + d*24*3600
245003c006a6 Misc changes and new modules. whrandom is "objectified". SOCKET.py
Guido van Rossum <guido@python.org>
parents:
diff changeset
77 x = localtime(t)
1316
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
78 tm = x[:-1] + (0,)
2f3f293ef5f1 * calendar.py: all libC functionality now moved to built-in time module
Guido van Rossum <guido@python.org>
parents: 1315
diff changeset
79 print 'd =', d, 't =', t, '=', asctime(tm), x[-1]