django.conf.urls.i18n 源代码

import functools

from django.conf import settings
from django.urls import LocalePrefixPattern, URLResolver, get_resolver, path
from django.views.i18n import set_language


[文档]def i18n_patterns(*urls, prefix_default_language=True): """ Add 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) return [ URLResolver( LocalePrefixPattern(prefix_default_language=prefix_default_language), list(urls), ) ]
@functools.lru_cache(maxsize=None) def is_language_prefix_patterns_used(urlconf): """ Return a tuple of two booleans: ( `True` if i18n_patterns() (LocalePrefixPattern) 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.pattern, LocalePrefixPattern): return True, url_pattern.pattern.prefix_default_language return False, False urlpatterns = [ path('setlang/', set_language, name='set_language'), ]