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Add a is_undefined_date method to utils.date

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Kovid Goyal 2011-01-18 10:47:24 -07:00
parent e24f359a84
commit f8182c3804
1 changed files with 8 additions and 0 deletions
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8
src/calibre/utils/date.py
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@ -46,6 +46,14 @@ local_tz = _local_tz = SafeLocalTimeZone()
UNDEFINED_DATE = datetime(101,1,1, tzinfo=utc_tz) UNDEFINED_DATE = datetime(101,1,1, tzinfo=utc_tz)
def is_date_undefined(qt_or_dt):
d = qt_or_dt
if hasattr(d, 'toString'):
d = datetime(d.year(), d.month(), d.day(), tzinfo=utc_tz)
return d.year == UNDEFINED_DATE.year and \
d.month == UNDEFINED_DATE.month and \
d.day == UNDEFINED_DATE.day
def parse_date(date_string, assume_utc=False, as_utc=True, default=None): def parse_date(date_string, assume_utc=False, as_utc=True, default=None):
''' '''
Parse a date/time string into a timezone aware datetime object. The timezone Parse a date/time string into a timezone aware datetime object. The timezone