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# Bugs Everywhere, a distributed bugtracker
# Copyright (C) 2008-2009 W. Trevor King <wking@drexel.edu>
#
# 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.
import codecs
import locale
import sys
import doctest
ENCODING = None # override get_encoding() output by setting this
def get_encoding():
"""
Guess a useful input/output/filesystem encoding... Maybe we need
seperate encodings for input/output and filesystem? Hmm...
"""
if ENCODING != None:
return ENCODING
encoding = locale.getpreferredencoding() or sys.getdefaultencoding()
if sys.platform != 'win32' or sys.version_info[:2] > (2, 3):
encoding = locale.getlocale(locale.LC_TIME)[1] or encoding
# Python 2.3 on windows doesn't know about 'XYZ' alias for 'cpXYZ'
return encoding
def known_encoding(encoding):
"""
>>> known_encoding("highly-unlikely-encoding")
False
>>> known_encoding(get_encoding())
True
"""
try:
codecs.lookup(encoding)
return True
except LookupError:
return False
def set_IO_stream_encodings(encoding):
sys.stdin = codecs.getreader(encoding)(sys.__stdin__)
sys.stdout = codecs.getwriter(encoding)(sys.__stdout__)
sys.stderr = codecs.getwriter(encoding)(sys.__stderr__)
suite = doctest.DocTestSuite()
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