""" Copyright (c) 2003-2005 Gustavo Niemeyer 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 " __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)