thirdparty: Remove the mini_dateutil module
The builtin datetime module already provides the same features, there is no need to carry that code any longer.
This commit is contained in:
Emmanuel Gil Peyrot
1
slixmpp/thirdparty/__init__.py
vendored
1
slixmpp/thirdparty/__init__.py
vendored
@@ -3,5 +3,4 @@ try:
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except:
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from slixmpp.thirdparty.gnupg import GPG
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from slixmpp.thirdparty.mini_dateutil import tzutc, tzoffset, parse_iso
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from slixmpp.thirdparty.orderedset import OrderedSet
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273
slixmpp/thirdparty/mini_dateutil.py
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273
slixmpp/thirdparty/mini_dateutil.py
vendored
@@ -1,273 +0,0 @@
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# This module is a very stripped down version of the dateutil
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# package for when dateutil has not been installed. As a replacement
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# for dateutil.parser.parse, the parsing methods from
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# http://blog.mfabrik.com/2008/06/30/relativity-of-time-shortcomings-in-python-datetime-and-workaround/
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#As such, the following copyrights and licenses applies:
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# dateutil - Extensions to the standard python 2.3+ datetime module.
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#
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# Copyright (c) 2003-2011 - Gustavo Niemeyer <gustavo@niemeyer.net>
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# fixed_dateime
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#
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# Copyright (c) 2008, Red Innovation Ltd., Finland
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Red Innovation nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY RED INNOVATION ``AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL RED INNOVATION BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import re
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import math
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import datetime
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ZERO = datetime.timedelta(0)
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try:
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from dateutil.parser import parse as parse_iso
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from dateutil.tz import tzoffset, tzutc
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except:
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# As a stopgap, define the two timezones here based
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# on the dateutil code.
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class tzutc(datetime.tzinfo):
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def utcoffset(self, dt):
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return ZERO
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def dst(self, dt):
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return ZERO
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def tzname(self, dt):
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return "UTC"
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def __eq__(self, other):
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return (isinstance(other, tzutc) or
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(isinstance(other, tzoffset) and other._offset == ZERO))
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def __ne__(self, other):
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return not self.__eq__(other)
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def __repr__(self):
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return "%s()" % self.__class__.__name__
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__reduce__ = object.__reduce__
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class tzoffset(datetime.tzinfo):
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def __init__(self, name, offset):
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self._name = name
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self._offset = datetime.timedelta(minutes=offset)
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def utcoffset(self, dt):
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return self._offset
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def dst(self, dt):
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return ZERO
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def tzname(self, dt):
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return self._name
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def __eq__(self, other):
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return (isinstance(other, tzoffset) and
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self._offset == other._offset)
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def __ne__(self, other):
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return not self.__eq__(other)
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def __repr__(self):
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return "%s(%s, %s)" % (self.__class__.__name__,
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repr(self._name),
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self._offset.days*86400+self._offset.seconds)
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__reduce__ = object.__reduce__
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_fixed_offset_tzs = { }
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UTC = tzutc()
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def _get_fixed_offset_tz(offsetmins):
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"""For internal use only: Returns a tzinfo with
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the given fixed offset. This creates only one instance
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for each offset; the zones are kept in a dictionary"""
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if offsetmins == 0:
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return UTC
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if not offsetmins in _fixed_offset_tzs:
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if offsetmins < 0:
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sign = '-'
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absoff = -offsetmins
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else:
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sign = '+'
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absoff = offsetmins
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name = "UTC%s%02d:%02d" % (sign, int(absoff / 60), absoff % 60)
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inst = tzoffset(name,offsetmins)
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_fixed_offset_tzs[offsetmins] = inst
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return _fixed_offset_tzs[offsetmins]
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_iso8601_parser = re.compile(r"""
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^
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(?P<year> [0-9]{4})?(?P<ymdsep>-?)?
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(?P<month>[0-9]{2})?(?P=ymdsep)?
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(?P<day> [0-9]{2})?
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(?P<time>
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(?: # time part... optional... at least hour must be specified
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(?:T|\s+)?
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(?P<hour>[0-9]{2})
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(?:
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# minutes, separated with :, or none, from hours
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(?P<hmssep>[:]?)
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(?P<minute>[0-9]{2})
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(?:
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# same for seconds, separated with :, or none, from hours
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(?P=hmssep)
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(?P<second>[0-9]{2})
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)?
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)?
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# fractions
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(?: [,.] (?P<frac>[0-9]{1,10}))?
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# timezone, Z, +-hh or +-hh:?mm. MUST BE, but complain if not there.
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(
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(?P<tzempty>Z)
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(?P<tzh>[+-][0-9]{2})
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(?: :? # optional separator
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(?P<tzm>[0-9]{2})
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)?
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)?
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)
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)?
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$
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""", re.X) # """
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def parse_iso(timestamp):
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"""Internal function for parsing a timestamp in
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ISO 8601 format"""
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timestamp = timestamp.strip()
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m = _iso8601_parser.match(timestamp)
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if not m:
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raise ValueError("Not a proper ISO 8601 timestamp!: %s" % timestamp)
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vals = m.groupdict()
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def_vals = {'year': 1970, 'month': 1, 'day': 1}
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for key in vals:
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if vals[key] is None:
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vals[key] = def_vals.get(key, 0)
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elif key not in ['time', 'ymdsep', 'hmssep', 'tzempty']:
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vals[key] = int(vals[key])
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year = vals['year']
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month = vals['month']
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day = vals['day']
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if m.group('time') is None:
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return datetime.date(year, month, day)
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h, min, s, us = None, None, None, 0
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frac = 0
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if m.group('tzempty') == None and m.group('tzh') == None:
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raise ValueError("Not a proper ISO 8601 timestamp: " +
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"missing timezone (Z or +hh[:mm])!")
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if m.group('frac'):
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frac = m.group('frac')
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power = len(frac)
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frac = int(frac) / 10.0 ** power
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if m.group('hour'):
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h = vals['hour']
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if m.group('minute'):
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min = vals['minute']
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if m.group('second'):
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s = vals['second']
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if frac != None:
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# ok, fractions of hour?
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if min == None:
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frac, min = math.modf(frac * 60.0)
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min = int(min)
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# fractions of second?
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if s == None:
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frac, s = math.modf(frac * 60.0)
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s = int(s)
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# and extract microseconds...
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us = int(frac * 1000000)
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if m.group('tzempty') == 'Z':
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offsetmins = 0
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else:
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# timezone: hour diff with sign
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offsetmins = vals['tzh'] * 60
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tzm = m.group('tzm')
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# add optional minutes
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if tzm != None:
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tzm = int(tzm)
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offsetmins += tzm if offsetmins > 0 else -tzm
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tz = _get_fixed_offset_tz(offsetmins)
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return datetime.datetime(year, month, day, h, min, s, us, tz)
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