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Apply 1296026: fix tracebacks in some timezones

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git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@551 4cde692c-a291-49d1-8350-778aa11640f8
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pabs3 2008-05-16 07:17:26 +00:00
parent a983e66970
commit 14654b2a88
1 changed files with 13 additions and 0 deletions
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13
Lib/fontTools/ttLib/tables/_h_e_a_d.py
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@ -104,9 +104,22 @@ def calc_mac_epoch_diff():
"""calculate the difference between the original Mac epoch (1904) """calculate the difference between the original Mac epoch (1904)
to the epoch on this machine. to the epoch on this machine.
""" """
# Since the below code tracebacks in some timezones,
# just return the constant that the code returns
return -2082844800
# Also, the commented lines consitute a hacky fix
# import os
# try:
# tz = os.environ['TZ']
# except:
# tz = time.tzname[0]
# os.environ['TZ'] = 'UTC'
# time.tzset()
safe_epoch_t = (1972, 1, 1, 0, 0, 0, 0, 0, 0) safe_epoch_t = (1972, 1, 1, 0, 0, 0, 0, 0, 0)
safe_epoch = time.mktime(safe_epoch_t) - time.timezone safe_epoch = time.mktime(safe_epoch_t) - time.timezone
assert time.gmtime(safe_epoch)[:6] == safe_epoch_t[:6] assert time.gmtime(safe_epoch)[:6] == safe_epoch_t[:6]
# os.environ['TZ'] = tz
# time.tzset()
seconds1904to1972 = 60 * 60 * 24 * (365 * (1972-1904) + 17) # thanks, Laurence! seconds1904to1972 = 60 * 60 * 24 * (365 * (1972-1904) + 17) # thanks, Laurence!
return long(safe_epoch - seconds1904to1972) return long(safe_epoch - seconds1904to1972)