Viewing file:  __init__.py (1.7 KB) -rw-r--r--
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"""
Copyright (c) 2003-2005 Gustavo Niemeyer <gustavo@niemeyer.net>
This module offers extensions to the standard python 2.3+
datetime module.
This version of the code has been modified to remove the embedded copy
of zoneinfo-2008e.tar.gz and instead use the system data from the tzdata
package
"""
from dateutil.tz import tzfile
from tarfile import TarFile
import os
__author__ = "Gustavo Niemeyer <gustavo@niemeyer.net>"
__license__ = "PSF License"
__all__ = ["setcachesize", "gettz", "rebuild"]
def setcachesize(size):
pass
def gettz(name):
from dateutil.tz import gettz
return gettz(name)
def rebuild(filename, tag=None, format="gz"):
import tempfile, shutil
tmpdir = tempfile.mkdtemp()
zonedir = os.path.join(tmpdir, "zoneinfo")
moduledir = os.path.dirname(__file__)
if tag: tag = "-"+tag
targetname = "zoneinfo%s.tar.%s" % (tag, format)
try:
tf = TarFile.open(filename)
for name in tf.getnames():
if not (name.endswith(".sh") or
name.endswith(".tab") or
name == "leapseconds"):
tf.extract(name, tmpdir)
filepath = os.path.join(tmpdir, name)
os.system("zic -d %s %s" % (zonedir, filepath))
tf.close()
target = os.path.join(moduledir, targetname)
for entry in os.listdir(moduledir):
if entry.startswith("zoneinfo") and ".tar." in entry:
os.unlink(os.path.join(moduledir, entry))
tf = TarFile.open(target, "w:%s" % format)
for entry in os.listdir(zonedir):
entrypath = os.path.join(zonedir, entry)
tf.add(entrypath, entry)
tf.close()
finally:
shutil.rmtree(tmpdir)
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