Fixed #10335: handle system locals unknown to Python in timezone name handling. Thanks, mitsuhiko.

import types

import urllib

import locale

import datetime

import codecs

from django.utils.functional import Promise

        return iri

    return urllib.quote(smart_str(iri), safe='/#%[]=:;$&()+,!?*')

# The encoding of the default system locale but falls back to the

# given fallback encoding if the encoding is unsupported by python or could

# not be determined.  See tickets #10335 and #5846

try:

    DEFAULT_LOCALE_ENCODING = locale.getdefaultlocale()[1] or 'ascii'

    codecs.lookup(DEFAULT_LOCALE_ENCODING)

except:

    DEFAULT_LOCALE_ENCODING = 'ascii'

"Implementation of tzinfo classes for use with datetime.datetime."

import locale

import time

from datetime import timedelta, tzinfo

from django.utils.encoding import smart_unicode

try:

    DEFAULT_ENCODING = locale.getdefaultlocale()[1] or 'ascii'

except:

    # Any problems at all determining the locale and we fallback. See #5846.

    DEFAULT_ENCODING = 'ascii'

from django.utils.encoding import smart_unicode, smart_str, DEFAULT_LOCALE_ENCODING

class FixedOffset(tzinfo):

    "Fixed offset in minutes east from UTC."

        self._tzname = self.tzname(dt)

    def __repr__(self):

        return self._tzname

        return smart_str(self._tzname)

    def utcoffset(self, dt):

        if self._isdst(dt):

    def tzname(self, dt):

        try:

            return smart_unicode(time.tzname[self._isdst(dt)], DEFAULT_ENCODING)

            return smart_unicode(time.tzname[self._isdst(dt)],

                                 DEFAULT_LOCALE_ENCODING)

        except UnicodeDecodeError:

            return None