def all_locale_paths():
"""
Returns a list of paths to user-provides languages files.
"""
from eva.conf import settings
globalpath = os.path.join(
os.path.dirname(upath(sys.modules[settings.__module__].__file__)), 'locale')
return [globalpath] + list(settings.LOCALE_PATHS)
def _fetch(lang, fallback=None):
global _translations
res = _translations.get(lang, None)
if res is not None:
return res
loc = to_locale(lang)
def _translation(path):
try:
t = gettext_module.translation('eva', path, [loc], DjangoTranslation)
t.set_language(lang)
return t
except IOError:
return None
res = _translation(globalpath)
# We want to ensure that, for example, "en-gb" and "en-us" don't share
# the same translation object (thus, merging en-us with a local update
# doesn't affect en-gb), even though they will both use the core "en"
# translation. So we have to subvert Python's internal gettext caching.
base_lang = lambda x: x.split('-', 1)[0]
if base_lang(lang) in [base_lang(trans) for trans in list(_translations)]:
res._info = res._info.copy()
res._catalog = res._catalog.copy()
def _merge(path):
t = _translation(path)
if t is not None:
if res is None:
return t
else:
res.merge(t)
return res
for appname in reversed(settings.INSTALLED_APPS):
app = import_module(appname)
apppath = os.path.join(os.path.dirname(upath(app.__file__)), 'locale')
if os.path.isdir(apppath):
res = _merge(apppath)
for localepath in reversed(settings.LOCALE_PATHS):
if os.path.isdir(localepath):
res = _merge(localepath)
if res is None:
if fallback is not None:
res = fallback
else:
return gettext_module.NullTranslations()
_translations[lang] = res
return res
def translation(language):
"""
Returns a translation object.
This translation object will be constructed out of multiple GNUTranslations
objects by merging their catalogs. It will construct a object for the
requested language and add a fallback to the default language, if it's
different from the requested language.
"""
global _translations
t = _translations.get(language, None)
if t is not None:
return t
from eva.conf import settings
globalpath = os.path.join(os.path.dirname(upath(sys.modules[settings.__module__].__file__)), 'locale')
def _fetch(lang, fallback=None):
global _translations
res = _translations.get(lang, None)
if res is not None:
return res
loc = to_locale(lang)
def _translation(path):
try:
t = gettext_module.translation('eva', path, [loc], DjangoTranslation)
t.set_language(lang)
return t
except IOError:
return None
res = _translation(globalpath)
# We want to ensure that, for example, "en-gb" and "en-us" don't share
# the same translation object (thus, merging en-us with a local update
# doesn't affect en-gb), even though they will both use the core "en"
# translation. So we have to subvert Python's internal gettext caching.
base_lang = lambda x: x.split('-', 1)[0]
if base_lang(lang) in [base_lang(trans) for trans in list(_translations)]:
res._info = res._info.copy()
res._catalog = res._catalog.copy()
def _merge(path):
t = _translation(path)
if t is not None:
if res is None:
return t
else:
res.merge(t)
return res
for appname in reversed(settings.INSTALLED_APPS):
app = import_module(appname)
apppath = os.path.join(os.path.dirname(upath(app.__file__)), 'locale')
if os.path.isdir(apppath):
res = _merge(apppath)
for localepath in reversed(settings.LOCALE_PATHS):
if os.path.isdir(localepath):
res = _merge(localepath)
if res is None:
if fallback is not None:
res = fallback
else:
return gettext_module.NullTranslations()
_translations[lang] = res
return res
default_translation = _fetch(settings.LANGUAGE_CODE)
current_translation = _fetch(language, fallback=default_translation)
return current_translation
