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August 29, 2015 14:05
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Make any Python datetime object into a UTC based time-zone-naive datetime. Makes it easier to use UTC everywhere. Makes the bold assumption that anything without time-zone information is already UTC.
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| import isodate | |
| def make_datetime_naive_utc(dt): | |
| delta = dt.tzinfo.utcoffset(dt) if dt.tzinfo else None | |
| naive_dt = dt.replace(tzinfo=None) | |
| return naive_dt if not delta else naive_dt - delta | |
| local_time_with_tzinfo = isodate.parse_datetime('2014-08-20T14:40:18-06:00') | |
| utc_with_tzinfo = isodate.parse_datetime('2014-08-20T20:40:18Z') | |
| naive_utc = isodate.parse_datetime('2014-08-20T20:40:18') | |
| f = make_datetime_naive_utc | |
| assert f(local_time_with_tzinfo) == f(utc_with_tzinfo) == f(naive_utc) |
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