hi all, sorry if i'm reposting
why time.strptime and time.localtime returns tuple with different DST (9 item of the tuple)?
is there some of setting to fix the problem?
Python 2.2.3 (#1, May 31 2005, 11:33:52)
[GCC 2.95.4 20020320 [FreeBSD]] on freebsd4
Type "help", "copyright" , "credits" or "license" for more information. import time
time.strptime(" 2005-06-07 21:00:00", "%Y-%m-%d %H:%M:%S")
(2005, 6, 7, 21, 0, 0, 6, 1, 0) time.localtime( )
(2005, 6, 7, 21, 2, 39, 1, 158, 1)
--
Best regards,
Maksim Kasimov
mailto: ka*****@i.com.u a 10  2328  http://docs.python.org/lib/module-time.html tells us the last element
is the DST flag, on your computer that applies for localtime(). To get
this with strptime() you have to tweak the %Z formatter - this is
platform specific.
Like the last poster said, use %Z. On my Mandriva Linux system I get the
following results: time.localtime( )
(2005, 6, 7, 15, 7, 12, 1, 158, 1) time.strptime(" 2005-06-07 15:07:12 EDT", "%Y-%m-%d %H:%M:%S %Z")
(2005, 6, 7, 15, 7, 12, 1, 158, 1)
Rick
Maksim Kasimov wrote:
hi all, sorry if i'm reposting
why time.strptime and time.localtime returns tuple with different DST (9
item of the tuple)? is there some of setting to fix the problem?
Python 2.2.3 (#1, May 31 2005, 11:33:52)
[GCC 2.95.4 20020320 [FreeBSD]] on freebsd4
Type "help", "copyright" , "credits" or "license" for more information. >>> import time
>>> time.strptime(" 2005-06-07 21:00:00", "%Y-%m-%d %H:%M:%S") (2005, 6, 7, 21, 0, 0, 6, 1, 0) >>> time.localtime( ) (2005, 6, 7, 21, 2, 39, 1, 158, 1) >>>
Rick Holbert wrote: Like the last poster said, use %Z. On my Mandriva Linux system I get the
following results:
time.localt ime()
(2005, 6, 7, 15, 7, 12, 1, 158, 1)
time.strpti me("2005-06-07 15:07:12 EDT", "%Y-%m-%d %H:%M:%S %Z") (2005, 6, 7, 15, 7, 12, 1, 158, 1)
does not work at all: "ValueError : format mismatch"
i've check the value of time.tzname:
('EET', 'EEST')
and get the following (again):
time.strptime(" 2005-06-07 15:07:12 EET", "%Y-%m-%d %H:%M:%S %Z")
(2005, 6, 7, 15, 7, 12, 6, 1, 0)
--
Best regards,
Maksim Kasimov
mailto: ka*****@i.com.u a
In your case it is the EEST, as this is the DST timezone (see again: http://docs.python.org/lib/module-time.html)
** martin@ubuntu:~ $ python
** Python 2.4.1 (#2, Mar 30 2005, 21:51:10)
** [GCC 3.3.5 (Debian 1:3.3.5-8ubuntu2)] on linux2
** Type "help", "copyright" , "credits" or "license" for more
information.
** >>> import time
** >>> print time.tzname
** ('CET', 'CEST')
** >>> time.strptime(" 2005-06-07 15:07:12 CET", "%Y-%m-%d %H:%M:%S %Z")
** (2005, 6, 7, 15, 7, 12, 1, 158, 0)
** >>> time.strptime(" 2005-06-07 15:07:12 CEST", "%Y-%m-%d %H:%M:%S
%Z")
** (2005, 6, 7, 15, 7, 12, 1, 158, 1)
** >>>
seems like it is not a platform specific,
i think to solve the problem i need put settings in order (in php it is php.ini file) thus i'll have a portable code.
i've check the following code on my various servers, and it gives me different results:
import time
time.tzname
time.daylight
time.strptime(" 2005-06-07 15:07:12", "%Y-%m-%d %H:%M:%S")
time.strptime(" 2005-06-07 15:07:12 EEST", "%Y-%m-%d %H:%M:%S %Z")
Python 2.3.3 (#1, Feb 28 2004, 20:35:22)
[GCC 2.95.4 20020320 [FreeBSD]] on freebsd4
Type "help", "copyright" , "credits" or "license" for more information. import time
time.tzname
('EET', 'EEST') time.daylight
1 time.strptime(" 2005-06-07 15:07:12", "%Y-%m-%d %H:%M:%S")
(2005, 6, 7, 15, 7, 12, 1, 158, -1) time.strptime(" 2005-06-07 15:07:12 EEST", "%Y-%m-%d %H:%M:%S %Z")
(2005, 6, 7, 15, 7, 12, 1, 158, 1)
Python 2.2.3 (#1, Oct 22 2004, 03:10:44)
[GCC 2.95.4 20020320 [FreeBSD]] on freebsd4
Type "help", "copyright" , "credits" or "license" for more information. import time
time.tzname
('EET', 'EEST') time.daylight
1 time.strptime(" 2005-06-07 15:07:12", "%Y-%m-%d %H:%M:%S")
(2005, 6, 7, 15, 7, 12, 6, 1, 0) time.strptime(" 2005-06-07 15:07:12 EEST", "%Y-%m-%d %H:%M:%S %Z")
(2005, 6, 7, 15, 7, 12, 6, 1, 1)
wi******@hotmai l.com wrote: In your case it is the EEST, as this is the DST timezone (see again:
http://docs.python.org/lib/module-time.html)
** martin@ubuntu:~ $ python
** Python 2.4.1 (#2, Mar 30 2005, 21:51:10)
** [GCC 3.3.5 (Debian 1:3.3.5-8ubuntu2)] on linux2
** Type "help", "copyright" , "credits" or "license" for more
information.
** >>> import time
** >>> print time.tzname
** ('CET', 'CEST')
** >>> time.strptime(" 2005-06-07 15:07:12 CET", "%Y-%m-%d %H:%M:%S %Z")
** (2005, 6, 7, 15, 7, 12, 1, 158, 0)
** >>> time.strptime(" 2005-06-07 15:07:12 CEST", "%Y-%m-%d %H:%M:%S
%Z")
** (2005, 6, 7, 15, 7, 12, 1, 158, 1)
** >>>
--
Best regards,
Maksim Kasimov
mailto: ka*****@i.com.u a
The names are at least platform specific, see below the names of the
timezones on my Windows NT 4 box
*** Python 2.3.4 (#53, May 25 2004, 21:17:02) [MSC v.1200 32 bit
(Intel)] on win32
*** Type "help", "copyright" , "credits" or "license" for more
information.
*** >>> import time
*** >>> print time.tzname
*** ('W. Europe Standard Time', 'W. Europe Daylight Time')
*** >>>
yes, i agree, on my WinXP it gives another values.
but my question is how to setup the python (or OS) to make it gives the same results when i call
time.strptime(" 2005-06-07 15:07:12", "%Y-%m-%d %H:%M:%S")
on various servers (and maybe with various OS)?
for now, i can't get it even with the same OS.
and i would like to set time string exactly as "2005-06-07 15:07:12", without "CEST", "EEST" and so on, because as you've notice before, it is different on a variuos systems wi******@hotmai l.com wrote: The names are at least platform specific, see below the names of the
timezones on my Windows NT 4 box
*** Python 2.3.4 (#53, May 25 2004, 21:17:02) [MSC v.1200 32 bit
(Intel)] on win32
*** Type "help", "copyright" , "credits" or "license" for more
information.
*** >>> import time
*** >>> print time.tzname
*** ('W. Europe Standard Time', 'W. Europe Daylight Time')
*** >>>
--
Best regards,
Maksim Kasimov
mailto: ka*****@i.com.u a
It is probably the best to calculate back to UTC.
Assume "2005-06-07 15:07:12" the local time, then convert it as
follows to UTC. Use the UTC time to store/manipulate/whatever you want
to do.
import time
t = time.mktime(tim e.strptime("200 5-06-07 15:07:12", "%Y-%m-%d
%H:%M:%S"))
print time.ctime(t)
offset = time.timezone
if time.daylight:
offset = time.altzone
t += offset
print time.ctime(t)
maybe you are right, i've searched in google groups - such a question was posted to comp.lang.pytho n many times and i has not found (yet) the answer on "how to tune up the output of time.strptime() ?" wi******@hotmai l.com wrote: It is probably the best to calculate back to UTC.
Assume "2005-06-07 15:07:12" the local time, then convert it as
follows to UTC. Use the UTC time to store/manipulate/whatever you want
to do.
import time
t = time.mktime(tim e.strptime("200 5-06-07 15:07:12", "%Y-%m-%d
%H:%M:%S"))
print time.ctime(t)
offset = time.timezone
if time.daylight:
offset = time.altzone
t += offset
print time.ctime(t)
--
Best regards,
Maksim Kasimov
mailto: ka*****@i.com.u a This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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