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Code Issues 32 Releases Wiki Activity

i18n: made DjangoTranslations compatible with Python 2.3

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git-svn-id: http://code.djangoproject.com/svn/django/branches/i18n@829 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Georg Bauer 2005-10-11 09:20:31 +00:00
parent 3f5bb5fa53
commit 588b2cb161
1 changed files with 43 additions and 6 deletions
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49
django/utils/translation.py
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@ -33,14 +33,21 @@ class DjangoTranslation(gettext_module.GNUTranslations):
"""
This class sets up the GNUTranslations context with
regard to output charset. Django uses a defined
DEFAULT_CHARSET as the output charset.
DEFAULT_CHARSET as the output charset on Python 2.4 -
with Python 2.3, you need to use DjangoTranslation23.
"""
def __init__(self, *args, **kw):
from django.conf import settings
gettext_module.GNUTranslations.__init__(self, *args, **kw)
self.__charset = self.charset()
self.set_output_charset(settings.DEFAULT_CHARSET)
# starting with Python 2.4, there is a function to define
# the output charset. Before 2.4, the output charset is
# identical with the translation file charset.
try:
self.set_output_charset(settings.DEFAULT_CHARSET)
except AttributeError:
pass
self.django_output_charset = settings.DEFAULT_CHARSET
self.__app = '?.?.?'
self.__language = '??'
@ -54,6 +61,31 @@ class DjangoTranslation(gettext_module.GNUTranslations):
def __repr__(self):
return "<DjangoTranslation app:%s lang:%s>" % (self.__app, self.__language)
class DjangoTranslation23(DjangoTranslation):
"""
This is a compatibility class that is only used with Python 2.3.
The reason is, Python 2.3 doesn't support set_output_charset on
translation objects and so needs this wrapper class to make sure
that input charsets from translation files are correctly translated
to output charsets.
With a full switch to Python 2.4, this can be removed from the source.
"""
def gettext(self, msgid):
res = DjangoTranslation.gettext(self, msgid)
if self.charset() != self.django_output_charset
res = res.decode(self.charset()).encode(self.django_output_charset)
return res
def ngettext(self, msgid1, msgid2, n):
res = DjangoTranslation.ngettext(self, msgid1, msgid2, n)
if self.charset() != self.django_output_charset:
res = res.decode(self.charset()).encode(self.django_output_charset)
return res
def translation(appname, language):
"""
This function returns a translation object.
@ -73,10 +105,15 @@ def translation(appname, language):
from django.conf import settings
# set up the right translation class
klass = DjangoTranslation
if sys.version_info < (2, 4):
klass = DjangoTranslation23
globalpath = os.path.join(os.path.dirname(settings.__file__), 'locale')
try:
t = gettext_module.translation('django', globalpath, [language, settings.LANGUAGE_CODE], DjangoTranslation)
t = gettext_module.translation('django', globalpath, [language, settings.LANGUAGE_CODE], klass)
t.set_app_and_language(appname, language)
except IOError: t = gettext_module.NullTranslations()
_translations[(appname, language)] = t
@ -90,7 +127,7 @@ def translation(appname, language):
projectpath = os.path.join(os.path.dirname(project.__file__), 'locale')
try:
t = gettext_module.translation('django', projectpath, [language, settings.LANGUAGE_CODE], DjangoTranslation)
t = gettext_module.translation('django', projectpath, [language, settings.LANGUAGE_CODE], klass)
t.set_app_and_language(appname, language)
except IOError: t = None
if t is not None:
@ -98,7 +135,7 @@ def translation(appname, language):
_translations[(appname, language)] = t
try:
t = gettext_module.translation('django', apppath, [language, settings.LANGUAGE_CODE], DjangoTranslation)
t = gettext_module.translation('django', apppath, [language, settings.LANGUAGE_CODE], klass)
t.set_app_and_language(appname, language)
except IOError: t = None
if t is not None: