/usr/lib/python2.7/dist-packages/xappy/parsedate.py is in python-xappy 0.5-5.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | #!/usr/bin/env python
#
# Copyright (C) 2007 Lemur Consulting Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
r"""parsedate.py: Parse date strings.
"""
__docformat__ = "restructuredtext en"
import datetime
import re
yyyymmdd_re = re.compile(r'(?P<year>[0-9]{4})(?P<month>[0-9]{2})(?P<day>[0-9]{2})$')
yyyy_mm_dd_re = re.compile(r'(?P<year>[0-9]{4})([-/.])(?P<month>[0-9]{2})\2(?P<day>[0-9]{2})$')
def date_from_string(value):
"""Parse a string into a date.
If the value supplied is already a date-like object (ie, has 'year',
'month' and 'day' attributes), it is returned without processing.
Supported date formats are:
- YYYYMMDD
- YYYY-MM-DD
- YYYY/MM/DD
- YYYY.MM.DD
"""
if (hasattr(value, 'year')
and hasattr(value, 'month')
and hasattr(value, 'day')):
return value
mg = yyyymmdd_re.match(value)
if mg is None:
mg = yyyy_mm_dd_re.match(value)
if mg is not None:
year, month, day = (int(i) for i in mg.group('year', 'month', 'day'))
return datetime.date(year, month, day)
raise ValueError('Unrecognised date format')
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