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Delete src/gam/iso8601.shouldnotbehere directory
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Jay Lee
GitHub
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# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2007 - 2015 Michael Twomey
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""ISO 8601 date time string parsing
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"""
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__all__ = ["parse_date", "ParseError", "UTC"]
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@@ -1,160 +0,0 @@
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# -*- coding: utf-8 -*-
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"""ISO 8601 date time string parsing
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"""
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from datetime import (datetime, timedelta, tzinfo)
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import time as _time
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import re
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ISO8601_REGEX = re.compile(r'^(?P<year>[0-9]{4})-(?P<month>[0-9]{2})-(?P<day>[0-9]{2})(?P<separator>[ T])(?P<hour>[0-9]{2}):(?P<minute>[0-9]{2}):(?P<second>[0-9]{2})([.,](?P<second_fraction>[0-9]+)){0,1}(?P<timezone>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9]{2}):(?P<tz_minute>[0-9]{2}))$')
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ISO8601_TZ_REGEX = re.compile(r'^(?P<timezone>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9]{2}):(?P<tz_minute>[0-9]{2}))$')
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class ParseError(Exception):
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"""Raised when there is a problem parsing a date string"""
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# Yoinked from python docs
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ZERO = timedelta(0)
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class Utc(tzinfo):
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"""UTC Timezone
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"""
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def utcoffset(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 dst(self, dt):
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return ZERO
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def __repr__(self):
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return "<iso8601.Utc>"
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UTC = Utc()
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class FixedOffset(tzinfo):
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"""Fixed offset in hours and minutes from UTC
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"""
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def __init__(self, offset_hours, offset_minutes, name):
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self.__offset_hours = offset_hours # Keep for later __getinitargs__
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self.__offset_minutes = offset_minutes # Keep for later __getinitargs__
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self.__offset = timedelta(hours=offset_hours, minutes=offset_minutes)
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self.__name = name
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def __eq__(self, other):
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if isinstance(other, FixedOffset):
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return (other.__offset == self.__offset) and (other.__name == self.__name)
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if isinstance(other, tzinfo):
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return other == self
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return False
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def __getinitargs__(self):
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return (self.__offset_hours, self.__offset_minutes, self.__name)
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def utcoffset(self, dt):
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return self.__offset
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def tzname(self, dt):
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return self.__name
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def dst(self, dt):
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return ZERO
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def __repr__(self):
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return "<FixedOffset %r %r>" % (self.__name, self.__offset)
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# A class capturing the platform's idea of local time.
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STDOFFSET = timedelta(seconds = -_time.timezone)
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if _time.daylight:
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DSTOFFSET = timedelta(seconds = -_time.altzone)
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else:
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DSTOFFSET = STDOFFSET
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DSTDIFF = DSTOFFSET - STDOFFSET
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class LocalTimezone(tzinfo):
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"""Local time zone
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"""
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def utcoffset(self, dt):
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if self._isdst(dt):
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return DSTOFFSET
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else:
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return STDOFFSET
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def dst(self, dt):
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if self._isdst(dt):
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return DSTDIFF
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else:
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return ZERO
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def tzname(self, dt):
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return _time.tzname[self._isdst(dt)]
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def _isdst(self, dt):
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tt = (dt.year, dt.month, dt.day,
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dt.hour, dt.minute, dt.second,
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dt.weekday(), 0, 0)
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stamp = _time.mktime(tt)
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tt = _time.localtime(stamp)
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return tt.tm_isdst > 0
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Local = LocalTimezone()
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def parse_timezone(matches):
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"""Parses ISO 8601 time zone specs into tzinfo offsets
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"""
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if matches["timezone"] == "Z":
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return UTC
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sign = matches["tz_sign"]
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hours = int(matches['tz_hour'])
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minutes = int(matches['tz_minute'])
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description = "%s%02d:%02d" % (sign, hours, minutes)
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if sign == "-":
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hours = -hours
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minutes = -minutes
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return FixedOffset(hours, minutes, description)
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def parse_timezone_str(tzstring):
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m = ISO8601_TZ_REGEX.match(tzstring)
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if not m:
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raise ParseError("Unable to parse timezone string %r" % tzstring)
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groups = m.groupdict()
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return parse_timezone(groups)
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def parse_date(datestring):
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"""Parses ISO 8601 dates into datetime objects
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The timezone is parsed from the date string. However it is quite common to
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have dates without a timezone (not strictly correct). In this case the
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default timezone specified in default_timezone is used. This is UTC by
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default.
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:param datestring: The date to parse as a string
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:returns: A datetime.datetime instance
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:raises: ParseError when there is a problem parsing the date or
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constructing the datetime instance.
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"""
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m = ISO8601_REGEX.match(datestring)
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if not m:
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raise ParseError("Unable to parse date string %r" % datestring)
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groups = m.groupdict()
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tz = parse_timezone(groups)
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try:
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return (datetime(year=int(groups['year']),
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month=int(groups['month']),
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day=int(groups['day']),
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hour=int(groups['hour']),
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minute=int(groups['minute']),
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second=int(groups['second']),
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tzinfo=tz),
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tz)
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except Exception as e:
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raise ParseError(e)
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