Kod źródłowy modułu django.conf.urls.i18n

from django.conf import settings
from django.conf.urls import url
from django.urls import LocaleRegexURLResolver, get_resolver
from django.utils import lru_cache
from django.views.i18n import set_language

[dokumenty]def i18n_patterns(*urls, **kwargs): """ 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. """ if not settings.USE_I18N: return list(urls) prefix_default_language = kwargs.pop('prefix_default_language', True) assert not kwargs, 'Unexpected kwargs for i18n_patterns(): %s' % kwargs return [LocaleRegexURLResolver(list(urls), prefix_default_language=prefix_default_language)]
@lru_cache.lru_cache(maxsize=None) def is_language_prefix_patterns_used(urlconf): """ Return a tuple of two booleans: ( `True` if LocaleRegexURLResolver` is used in the `urlconf`, `True` if the default language should be prefixed ) """ for url_pattern in get_resolver(urlconf).url_patterns: if isinstance(url_pattern, LocaleRegexURLResolver): return True, url_pattern.prefix_default_language return False, False urlpatterns = [ url(r'^setlang/$', set_language, name='set_language'), ]
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