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+# Bugs Everywhere, a distributed bugtracker
+# Copyright (C) 2005 Aaron Bentley and Panometrics, Inc.
+# <abentley@panoramicfeedback.com>
+#
+# 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
+
+def get_encoding():
+ """
+ Guess a useful input/output/filesystem encoding... Maybe we need
+ seperate encodings for input/output and filesystem? Hmm...
+ """
+ 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()