Fabio Erculiani
87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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"""
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@author: Fabio Erculiani <lxnay@sabayonlinux.org>
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@contact: lxnay@sabayonlinux.org
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@copyright: Fabio Erculiani
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@license: GPL-2
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B{Entropy Framework internationalization module}
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This module contains Entropy Framework i18n functions and
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variables.
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"""
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import sys
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import os
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_LOCALE = None
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_LOCALE_FULL = os.getenv('LC_ALL')
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if _LOCALE_FULL == None:
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_LOCALE_FULL = os.getenv('LANG')
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if _LOCALE_FULL == None:
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_LOCALE_FULL = os.getenv('LANGUAGE')
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if _LOCALE_FULL:
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_LOCALE = _LOCALE_FULL.split('.')[0]
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_LOCALE = _LOCALE.split('_')[0]
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_LOCALE = _LOCALE.lower()
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try:
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import gettext
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localedir = "/usr/share/locale"
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# support for ENV TEXTDOMAINDIR
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envdir = os.getenv('TEXTDOMAINDIR')
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if envdir is not None:
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localedir = envdir
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kwargs = {"localedir": localedir,}
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if sys.hexversion < 0x3000000:
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kwargs['unicode'] = True
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gettext.install('entropy', **kwargs)
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# do not use gettext.gettext because it returns str instead of unicode
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_ = _
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except (ImportError, OSError,):
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def _(raw_string):
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"""
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Fallback in case gettext is not available, same syntax
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for the gettext provided function.
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@param raw_string: raw untranslated string
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@type raw_string: string
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@return: translated string using environment locale
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setting (LC_ALL, LANG or LANGUAGE)
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@rtype: string
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"""
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return raw_string
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def change_language(lang):
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"""
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Change gettext language on the fly.
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@param lang: new language string (see `locale -a` for a list of
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supported ones)
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@type lang: string
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"""
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global _
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# change in environ
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for var in ("LANGUAGE", "LC_ALL", "LANG",):
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os.environ[var] = lang
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# reinstall gettext
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# remove _ from global scope so that gettext will readd it
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old_ = _
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del _
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kwargs = {"localedir": localedir,}
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if sys.hexversion < 0x3000000:
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kwargs['unicode'] = True
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gettext.install('entropy', **kwargs)
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_ = _
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# redeclare "_" in all loaded modules
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for module in list(sys.modules.values()):
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if not hasattr(module, "__dict__"):
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continue
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t_func = module.__dict__.get("_")
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if t_func is not old_:
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continue
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module._ = _
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