27 lines
627 B
Python
27 lines
627 B
Python
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import datetime
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import re
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def parse_timezone(s: str):
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regexp = re.compile(r"^UTC(([+-][0-2][0-9]):([0-5][0-9]))?$")
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match = regexp.match(s)
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if not match:
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raise ValueError(
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f"Time zone {s} must be either UTC " f"or in format UTC[+-]hh:mm"
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)
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if match.group(1):
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hours = int(match.group(2))
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minutes = int(match.group(3))
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return datetime.timezone(
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datetime.timedelta(
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hours=hours, minutes=minutes if hours >= 0 else -minutes
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)
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)
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else:
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return datetime.timezone.utc
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__all__ = [
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"parse_timezone",
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]
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