Bugs item #1493676, was opened at 2006-05-23 15:58
Message generated for change (Comment added) made by bwooster47
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Category: Python Library
Group: Python 2.4
Status: Closed
Resolution: Invalid
Priority: 5
Private: No
Submitted By: Cillian Sharkey (csharkey)
Assigned to: Nobody/Anonymous (nobody)
Summary: time.strftime() %z error
Initial Comment:
According to the time module documentation, if the time
argument for strftime() is not provided, it will use
the current time as returned by localtime().
However, when the value of localtime() is explicitly
given to strftime(), this produces an error in the
value of the timezone offset (%z) as seen here:
>>> from time import *
>>> strftime("%a %b %e %H:%M:%S %Y %Z %z")
'Tue May 23 16:28:31 2006 IST +0100'
>>> strftime("%a %b %e %H:%M:%S %Y %Z %z", localtime())
'Tue May 23 16:28:31 2006 IST +0000'
This same problem happens for other timezones (the
offset is always +0000 when localtime() is explicitly
given).
This problem is present in both these versions:
Python 2.4.2 (#2, Sep 30 2005, 21:19:01)
[GCC 4.0.2 20050808 (prerelease) (Ubuntu
4.0.1-4ubuntu8)] on linux2
Python 2.3.5 (#2, Sep 4 2005, 22:01:42)
[GCC 3.3.5 (Debian 1:3.3.5-13)] on linux2
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Comment By: bwooster47 (bwooster47)
Date: 2007-02-22 16:22
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Can we confirm whether this issue is not a python issue?
We are talking about small z, not capital Z.
>From Python docs at http://docs.python.org/lib/module-time.html :
"The use of %Z is now deprecated, but the %z escape that expands to the
preferred hour/minute offset is not supported by all ANSI C libraries."
Most current C libraries support %z, it is in fact the preferred way to do
things, would be bad to see python reject this.
Even then - isn't the above a bug? If not supported, %z should always
provide a empty character, but not print out totally incorrect data as
+0000 for EST.
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Comment By: Brett Cannon (bcannon)
Date: 2006-05-24 21:26
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Closing as invalid since, as Georg pointed out, %z is not
supported by Python.
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Comment By: Georg Brandl (gbrandl)
Date: 2006-05-23 16:58
Message:
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Note that %z isn't officially supported by Python, judging
by the docs.
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