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37 lines
994 B
Python
37 lines
994 B
Python
from __future__ import with_statement
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import os
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import pytz
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import subprocess
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_cache_tz = None
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def _get_localzone():
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pipe = subprocess.Popen(
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"systemsetup -gettimezone",
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shell=True,
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stderr=subprocess.PIPE,
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stdout=subprocess.PIPE
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)
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tzname = pipe.stdout.read().replace(b'Time Zone: ', b'').strip()
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if not tzname or tzname not in pytz.all_timezones_set:
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# link will be something like /usr/share/zoneinfo/America/Los_Angeles.
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link = os.readlink("/etc/localtime")
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tzname = link[link.rfind("zoneinfo/") + 9:]
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return pytz.timezone(tzname)
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def get_localzone():
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"""Get the computers configured local timezone, if any."""
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global _cache_tz
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if _cache_tz is None:
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_cache_tz = _get_localzone()
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return _cache_tz
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def reload_localzone():
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"""Reload the cached localzone. You need to call this if the timezone has changed."""
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global _cache_tz
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_cache_tz = _get_localzone()
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return _cache_tz
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