#30141: dateparse parse_duration to accept negative durations
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Reporter: heikkimattila | Owner: nobody
Type: Uncategorized | Status: new
Component: Uncategorized | Version: 1.11
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 1
UI/UX: 0 |
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The https://docs.djangoproject.com/en/2.1/_modules/django/utils/dateparse/
defines:
{{{
standard_duration_re = re.compile(
r'^'
r'(?:(?P<days>-?\d+) (days?, )?)?'
r'((?:(?P<hours>-?\d+):)(?=\d+:\d+))?'
r'(?:(?P<minutes>-?\d+):)?'
r'(?P<seconds>-?\d+)'
r'(?:\.(?P<microseconds>\d{1,6})\d{0,6})?'
r'$'
)
}}}
that doesn't match to negative durations, because of the <hours>
definition final (lookahead) part does not have '-?' in it. The following
will work:
{{{
r'((?:(?P<hours>-?\d+):)(?=-?\d+:-?\d+))?'
}}}
(Thanks to Konstantin Senichev for finding the fix.)
--
Ticket URL: <https://code.djangoproject.com/ticket/30141>
Django <https://code.djangoproject.com/>
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