docker-tidy/docker_custodian/args.py

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import datetime
from dateutil import tz
from pytimeparse import timeparse
def timedelta_type(value):
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"""Return 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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"""
if value is None:
return None
return datetime_seconds_ago(timeparse.timeparse(value))
def datetime_seconds_ago(seconds):
now = datetime.datetime.now(tz.tzutc())
return now - datetime.timedelta(seconds=seconds)