Python settings.USE_I18N属性代码示例

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def test_override_settings_delete(self):
        """
        Allow deletion of a setting in an overridden settings set (#18824)
        """
        previous_i18n = settings.USE_I18N
        previous_l10n = settings.USE_L10N
        with self.settings(USE_I18N=False):
            del settings.USE_I18N
            with self.assertRaises(AttributeError):
                getattr(settings, 'USE_I18N')
            # Should also work for a non-overridden setting
            del settings.USE_L10N
            with self.assertRaises(AttributeError):
                getattr(settings, 'USE_L10N')
            self.assertNotIn('USE_I18N', dir(settings))
            self.assertNotIn('USE_L10N', dir(settings))
        self.assertEqual(settings.USE_I18N, previous_i18n)
        self.assertEqual(settings.USE_L10N, previous_l10n) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def i18n_javascript(self, request):
        """
        Displays the i18n JavaScript that the Django admin requires.

        This takes into account the USE_I18N setting. If it's set to False, the
        generated JavaScript will be leaner and faster.
        """
        if settings.USE_I18N:
            from django.views.i18n import javascript_catalog
        else:
            from django.views.i18n import null_javascript_catalog as javascript_catalog
        return javascript_catalog(request, packages=['django.conf', 'xadmin'])

# This global object represents the default admin site, for the common case.
# You can instantiate AdminSite in your own code to create a custom admin site. 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def _i18n_cache_key_suffix(request, cache_key):
    """If necessary, adds the current locale or time zone to the cache key."""
    if settings.USE_I18N or settings.USE_L10N:
        # first check if LocaleMiddleware or another middleware added
        # LANGUAGE_CODE to request, then fall back to the active language
        # which in turn can also fall back to settings.LANGUAGE_CODE
        cache_key += '.%s' % getattr(request, 'LANGUAGE_CODE', get_language())
    if settings.USE_TZ:
        # The datetime module doesn't restrict the output of tzname().
        # Windows is known to use non-standard, locale-dependent names.
        # User-defined tzinfo classes may return absolutely anything.
        # Hence this paranoid conversion to create a valid cache key.
        tz_name = force_text(get_current_timezone_name(), errors='ignore')
        cache_key += '.%s' % tz_name.encode('ascii', 'ignore').decode('ascii').replace(' ', '_')
    return cache_key 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def learn_cache_key(request, response, cache_timeout=None, key_prefix=None, cache=None):
    """
    Learns what headers to take into account for some request URL from the
    response object. It stores those headers in a global URL registry so that
    later access to that URL will know what headers to take into account
    without building the response object itself. The headers are named in the
    Vary header of the response, but we want to prevent response generation.

    The list of headers to use for cache key generation is stored in the same
    cache as the pages themselves. If the cache ages some data out of the
    cache, this just means that we have to build the response once to get at
    the Vary header and so at the list of headers to use for the cache key.
    """
    if key_prefix is None:
        key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX
    if cache_timeout is None:
        cache_timeout = settings.CACHE_MIDDLEWARE_SECONDS
    cache_key = _generate_cache_header_key(key_prefix, request)
    if cache is None:
        cache = caches[settings.CACHE_MIDDLEWARE_ALIAS]
    if response.has_header('Vary'):
        is_accept_language_redundant = settings.USE_I18N or settings.USE_L10N
        # If i18n or l10n are used, the generated cache key will be suffixed
        # with the current locale. Adding the raw value of Accept-Language is
        # redundant in that case and would result in storing the same content
        # under multiple keys in the cache. See #18191 for details.
        headerlist = []
        for header in cc_delim_re.split(response['Vary']):
            header = header.upper().replace('-', '_')
            if header == 'ACCEPT_LANGUAGE' and is_accept_language_redundant:
                continue
            headerlist.append('HTTP_' + header)
        headerlist.sort()
        cache.set(cache_key, headerlist, cache_timeout)
        return _generate_cache_key(request, request.method, headerlist, key_prefix)
    else:
        # if there is no Vary header, we still need a cache key
        # for the request.build_absolute_uri()
        cache.set(cache_key, [], cache_timeout)
        return _generate_cache_key(request, request.method, [], key_prefix) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def __getattr__(self, real_name):
        from django.conf import settings
        if settings.USE_I18N:
            from django.utils.translation import trans_real as trans
        else:
            from django.utils.translation import trans_null as trans
        setattr(self, real_name, getattr(trans, real_name))
        return getattr(trans, real_name) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def i18n_javascript(self, request):
        """
        Displays the i18n JavaScript that the Django admin requires.

        This takes into account the USE_I18N setting. If it's set to False, the
        generated JavaScript will be leaner and faster.
        """
        if settings.USE_I18N:
            from django.views.i18n import javascript_catalog
        else:
            from django.views.i18n import null_javascript_catalog as javascript_catalog
        return javascript_catalog(request, packages=['django.conf', 'django.contrib.admin']) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def _i18n_cache_key_suffix(request, cache_key):
    """If necessary, add the current locale or time zone to the cache key."""
    if settings.USE_I18N or settings.USE_L10N:
        # first check if LocaleMiddleware or another middleware added
        # LANGUAGE_CODE to request, then fall back to the active language
        # which in turn can also fall back to settings.LANGUAGE_CODE
        cache_key += '.%s' % getattr(request, 'LANGUAGE_CODE', get_language())
    if settings.USE_TZ:
        # The datetime module doesn't restrict the output of tzname().
        # Windows is known to use non-standard, locale-dependent names.
        # User-defined tzinfo classes may return absolutely anything.
        # Hence this paranoid conversion to create a valid cache key.
        tz_name = force_text(get_current_timezone_name(), errors='ignore')
        cache_key += '.%s' % tz_name.encode('ascii', 'ignore').decode('ascii').replace(' ', '_')
    return cache_key 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def learn_cache_key(request, response, cache_timeout=None, key_prefix=None, cache=None):
    """
    Learn what headers to take into account for some request URL from the
    response object. Store those headers in a global URL registry so that
    later access to that URL will know what headers to take into account
    without building the response object itself. The headers are named in the
    Vary header of the response, but we want to prevent response generation.

    The list of headers to use for cache key generation is stored in the same
    cache as the pages themselves. If the cache ages some data out of the
    cache, this just means that we have to build the response once to get at
    the Vary header and so at the list of headers to use for the cache key.
    """
    if key_prefix is None:
        key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX
    if cache_timeout is None:
        cache_timeout = settings.CACHE_MIDDLEWARE_SECONDS
    cache_key = _generate_cache_header_key(key_prefix, request)
    if cache is None:
        cache = caches[settings.CACHE_MIDDLEWARE_ALIAS]
    if response.has_header('Vary'):
        is_accept_language_redundant = settings.USE_I18N or settings.USE_L10N
        # If i18n or l10n are used, the generated cache key will be suffixed
        # with the current locale. Adding the raw value of Accept-Language is
        # redundant in that case and would result in storing the same content
        # under multiple keys in the cache. See #18191 for details.
        headerlist = []
        for header in cc_delim_re.split(response['Vary']):
            header = header.upper().replace('-', '_')
            if header == 'ACCEPT_LANGUAGE' and is_accept_language_redundant:
                continue
            headerlist.append('HTTP_' + header)
        headerlist.sort()
        cache.set(cache_key, headerlist, cache_timeout)
        return _generate_cache_key(request, request.method, headerlist, key_prefix)
    else:
        # if there is no Vary header, we still need a cache key
        # for the request.build_absolute_uri()
        cache.set(cache_key, [], cache_timeout)
        return _generate_cache_key(request, request.method, [], key_prefix) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def _i18n_cache_key_suffix(request, cache_key):
    """If necessary, add the current locale or time zone to the cache key."""
    if settings.USE_I18N or settings.USE_L10N:
        # first check if LocaleMiddleware or another middleware added
        # LANGUAGE_CODE to request, then fall back to the active language
        # which in turn can also fall back to settings.LANGUAGE_CODE
        cache_key += '.%s' % getattr(request, 'LANGUAGE_CODE', get_language())
    if settings.USE_TZ:
        cache_key += '.%s' % get_current_timezone_name()
    return cache_key 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def learn_cache_key(request, response, cache_timeout=None, key_prefix=None, cache=None):
    """
    Learn what headers to take into account for some request URL from the
    response object. Store those headers in a global URL registry so that
    later access to that URL will know what headers to take into account
    without building the response object itself. The headers are named in the
    Vary header of the response, but we want to prevent response generation.

    The list of headers to use for cache key generation is stored in the same
    cache as the pages themselves. If the cache ages some data out of the
    cache, this just means that we have to build the response once to get at
    the Vary header and so at the list of headers to use for the cache key.
    """
    if key_prefix is None:
        key_prefix = settings.CACHE_MIDDLEWARE_KEY_PREFIX
    if cache_timeout is None:
        cache_timeout = settings.CACHE_MIDDLEWARE_SECONDS
    cache_key = _generate_cache_header_key(key_prefix, request)
    if cache is None:
        cache = caches[settings.CACHE_MIDDLEWARE_ALIAS]
    if response.has_header('Vary'):
        is_accept_language_redundant = settings.USE_I18N or settings.USE_L10N
        # If i18n or l10n are used, the generated cache key will be suffixed
        # with the current locale. Adding the raw value of Accept-Language is
        # redundant in that case and would result in storing the same content
        # under multiple keys in the cache. See #18191 for details.
        headerlist = []
        for header in cc_delim_re.split(response['Vary']):
            header = header.upper().replace('-', '_')
            if header != 'ACCEPT_LANGUAGE' or not is_accept_language_redundant:
                headerlist.append('HTTP_' + header)
        headerlist.sort()
        cache.set(cache_key, headerlist, cache_timeout)
        return _generate_cache_key(request, request.method, headerlist, key_prefix)
    else:
        # if there is no Vary header, we still need a cache key
        # for the request.build_absolute_uri()
        cache.set(cache_key, [], cache_timeout)
        return _generate_cache_key(request, request.method, [], key_prefix) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def purge_urls_from_cache(urls, backend_settings=None, backends=None):
    # Convert each url to urls one for each managed language (WAGTAILFRONTENDCACHE_LANGUAGES setting).
    # The managed languages are common to all the defined backends.
    # This depends on settings.USE_I18N
    languages = getattr(settings, 'WAGTAILFRONTENDCACHE_LANGUAGES', [])
    if settings.USE_I18N and languages:
        langs_regex = "^/(%s)/" % "|".join(languages)
        new_urls = []

        # Purge the given url for each managed language
        for isocode, description in languages:
            for url in urls:
                up = urlparse(url)
                new_url = urlunparse((
                    up.scheme,
                    up.netloc,
                    re.sub(langs_regex, "/%s/" % isocode, up.path),
                    up.params,
                    up.query,
                    up.fragment
                ))

                # Check for best performance. True if re.sub found no match
                # It happens when i18n_patterns was not used in urls.py to serve content for different languages from different URLs
                if new_url in new_urls:
                    continue

                new_urls.append(new_url)

        urls = new_urls

    for backend_name, backend in get_backends(backend_settings, backends).items():
        for url in urls:
            logger.info("[%s] Purging URL: %s", backend_name, url)

        backend.purge_batch(urls) 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def get_admin_interface_languages(context):
    if not settings.USE_I18N:
        # i18n disabled
        return None
    if len(settings.LANGUAGES) < 2:
        # less than 2 languages
        return None
    try:
        set_language_url = reverse('set_language')
    except NoReverseMatch:
        # ImproperlyConfigured - must include i18n urls:
        # urlpatterns += [url(r'^i18n/', include('django.conf.urls.i18n')),]
        return None
    request = context.get('request', None)
    if not request:
        return None
    full_path = request.get_full_path()
    admin_nolang_url = re.sub(r'^\/([\w]{2})([\-\_]{1}[\w]{2})?\/', '/', full_path)
    if admin_nolang_url == full_path:
        # ImproperlyConfigured - must include admin urls using i18n_patterns:
        # from django.conf.urls.i18n import i18n_patterns
        # urlpatterns += i18n_patterns(url(r'^admin/', admin.site.urls))
        return None
    langs_data = []
    default_lang_code = settings.LANGUAGE_CODE
    current_lang_code = translation.get_language() or default_lang_code
    for language in settings.LANGUAGES:
        lang_code = language[0].lower()
        lang_name = language[1].title()
        lang_data = {
            'code': lang_code,
            'name': lang_name,
            'default': lang_code == default_lang_code,
            'active': lang_code == current_lang_code,
            'activation_url': '{}?next=/{}{}'.format(
                set_language_url, lang_code, admin_nolang_url)
        }
        langs_data.append(lang_data)
    return langs_data 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def _i18n_cache_key_suffix(request, cache_key):
    """If necessary, adds the current locale or time zone to the cache key."""
    if settings.USE_I18N or settings.USE_L10N:
        # first check if LocaleMiddleware or another middleware added
        # LANGUAGE_CODE to request, then fall back to the active language
        # which in turn can also fall back to settings.LANGUAGE_CODE
        cache_key += '.%s' % getattr(request, 'LANGUAGE_CODE', get_language())
    if settings.USE_TZ:
        # The datetime module doesn't restrict the output of tzname().
        # Windows is known to use non-standard, locale-dependant names.
        # User-defined tzinfo classes may return absolutely anything.
        # Hence this paranoid conversion to create a valid cache key.
        tz_name = force_text(get_current_timezone_name(), errors='ignore')
        cache_key += '.%s' % tz_name.encode('ascii', 'ignore').decode('ascii').replace(' ', '_')
    return cache_key 

# 需要导入模块: from django.conf import settings [as 别名]
# 或者: from django.conf.settings import USE_I18N [as 别名]
def i18n_patterns(prefix, *args):
    """
    Adds the language code prefix to every URL pattern within this
    function. This may only be used in the root URLconf, not in an included
    URLconf.

    """
    pattern_list = patterns(prefix, *args)
    if not settings.USE_I18N:
        return pattern_list
    return [LocaleRegexURLResolver(pattern_list)]