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44 lines
729 B
44 lines
729 B
3 years ago
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from datetime import timedelta
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from dateutil import tz
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UTC = tz.UTC
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def get_timezone(key):
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if not key:
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raise KeyError("Unknown time zone: %s" % key)
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try:
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rv = tz.gettz(key)
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except Exception:
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rv = None
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if rv is None or not isinstance(rv, (tz.tzutc, tz.tzfile)):
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raise KeyError("Unknown time zone: %s" % key)
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return rv
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def get_timezone_file(f, key=None):
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return tz.tzfile(f)
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def get_fixed_offset_zone(offset):
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return tz.tzoffset(None, timedelta(minutes=offset))
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def is_ambiguous(dt):
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return tz.datetime_ambiguous(dt)
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def is_imaginary(dt):
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return not tz.datetime_exists(dt)
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enfold = tz.enfold
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def get_fold(dt):
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return getattr(dt, "fold", 0)
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