#25060: Add support for str(timedelta) representation in parse_duration
-----------------------------+--------------------
Reporter: vmspike | Owner: nobody
Type: New feature | Status: new
Component: Utilities | Version: 1.8
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 1
Easy pickings: 1 | UI/UX: 0
-----------------------------+--------------------
It's useful for conversions to/from str, so we can convert timedelta value
to str and back without additional work.
The following code can be used instead of original parse_duration function
{{{
# Support str(timedelta) format
str_timedelta_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'$'
)
def parse_duration(value):
"""Parses a duration string and returns a datetime.timedelta.
The preferred format for durations in Django is '%d %H:%M:%S.%f'.
Also supports ISO 8601 and str(timedelta) representations.
"""
for duration_re in (standard_duration_re, iso8601_duration_re,
str_timedelta_duration_re):
match = duration_re.match(value)
if match:
kw = match.groupdict()
if kw.get('microseconds'):
kw['microseconds'] = kw['microseconds'].ljust(6, '0')
kw = {k: float(v) for k, v in six.iteritems(kw) if v is not
None}
return datetime.timedelta(**kw)
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/25060>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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