79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
# enzyme - Video metadata parser
|
|
# Copyright 2011-2012 Antoine Bertin <diaoulael@gmail.com>
|
|
# Copyright 2006-2009 Dirk Meyer <dischi@freevo.org>
|
|
# Copyright 2006-2009 Jason Tackaberry
|
|
#
|
|
# This file is part of enzyme.
|
|
#
|
|
# enzyme 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 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# enzyme 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 enzyme. If not, see <http://www.gnu.org/licenses/>.
|
|
__all__ = ['ENCODING', 'str_to_unicode', 'unicode_to_str']
|
|
|
|
import locale
|
|
|
|
# find the correct encoding
|
|
try:
|
|
ENCODING = locale.getdefaultlocale()[1]
|
|
''.encode(ENCODING)
|
|
except (UnicodeError, TypeError):
|
|
ENCODING = 'latin-1'
|
|
|
|
|
|
def str_to_unicode(s, encoding=None):
|
|
"""
|
|
Attempts to convert a string of unknown character set to a unicode
|
|
string. First it tries to decode the string based on the locale's
|
|
preferred encoding, and if that fails, fall back to UTF-8 and then
|
|
latin-1. If all fails, it will force encoding to the preferred
|
|
charset, replacing unknown characters. If the given object is no
|
|
string, this function will return the given object.
|
|
"""
|
|
if not type(s) == str:
|
|
return s
|
|
|
|
if not encoding:
|
|
encoding = ENCODING
|
|
|
|
for c in [encoding, "utf-8", "latin-1"]:
|
|
try:
|
|
return s.decode(c)
|
|
except UnicodeDecodeError:
|
|
pass
|
|
|
|
return s.decode(encoding, "replace")
|
|
|
|
|
|
def unicode_to_str(s, encoding=None):
|
|
"""
|
|
Attempts to convert a unicode string of unknown character set to a
|
|
string. First it tries to encode the string based on the locale's
|
|
preferred encoding, and if that fails, fall back to UTF-8 and then
|
|
latin-1. If all fails, it will force encoding to the preferred
|
|
charset, replacing unknown characters. If the given object is no
|
|
unicode string, this function will return the given object.
|
|
"""
|
|
if not type(s) == unicode:
|
|
return s
|
|
|
|
if not encoding:
|
|
encoding = ENCODING
|
|
|
|
for c in [encoding, "utf-8", "latin-1"]:
|
|
try:
|
|
return s.encode(c)
|
|
except UnicodeDecodeError:
|
|
pass
|
|
|
|
return s.encode(encoding, "replace")
|