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