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20 lines
511 B
Python
20 lines
511 B
Python
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import datetime
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from dateutil import tz
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from pytimeparse import timeparse
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def timedelta_type(value):
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"""Retrun the :class:`datetime.datetime.DateTime` for a time in the past.
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:param value: a string containing a time format supported by :mod:`pytimeparse`
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"""
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if value is None:
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return None
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return datetime_seconds_ago(timeparse.timeparse(value))
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def datetime_seconds_ago(seconds):
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now = datetime.datetime.now(tz.tzutc())
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return now - datetime.timedelta(seconds=seconds)
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