46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""
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This module defines a method to parse an ISO 8601:2004 date time string.
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For this job it uses the parse_date and parse_time methods defined in date
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and time module.
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"""
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from datetime import datetime
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from isodate.isodates import parse_date
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from isodate.isoerror import ISO8601Error
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from isodate.isostrf import DATE_EXT_COMPLETE, TIME_EXT_COMPLETE, TZ_EXT, strftime
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from isodate.isotime import parse_time
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def parse_datetime(datetimestring):
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"""
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Parses ISO 8601 date-times into datetime.datetime objects.
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This function uses parse_date and parse_time to do the job, so it allows
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more combinations of date and time representations, than the actual
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ISO 8601:2004 standard allows.
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"""
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try:
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datestring, timestring = datetimestring.split("T")
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except ValueError:
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raise ISO8601Error(
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"ISO 8601 time designator 'T' missing. Unable to"
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" parse datetime string %r" % datetimestring
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)
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tmpdate = parse_date(datestring)
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tmptime = parse_time(timestring)
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return datetime.combine(tmpdate, tmptime)
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def datetime_isoformat(
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tdt, format=DATE_EXT_COMPLETE + "T" + TIME_EXT_COMPLETE + TZ_EXT
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):
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"""
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Format datetime strings.
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This method is just a wrapper around isodate.isostrf.strftime and uses
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Extended-Complete as default format.
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"""
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return strftime(tdt, format)
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