40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
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import functools
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from django.conf import settings
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from django.urls import LocalePrefixPattern, URLResolver, get_resolver, path
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from django.views.i18n import set_language
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def i18n_patterns(*urls, prefix_default_language=True):
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"""
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Add the language code prefix to every URL pattern within this function.
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This may only be used in the root URLconf, not in an included URLconf.
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"""
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if not settings.USE_I18N:
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return list(urls)
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return [
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URLResolver(
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LocalePrefixPattern(prefix_default_language=prefix_default_language),
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list(urls),
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)
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]
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@functools.lru_cache(maxsize=None)
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def is_language_prefix_patterns_used(urlconf):
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"""
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Return a tuple of two booleans: (
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`True` if i18n_patterns() (LocalePrefixPattern) is used in the URLconf,
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`True` if the default language should be prefixed
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)
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"""
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for url_pattern in get_resolver(urlconf).url_patterns:
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if isinstance(url_pattern.pattern, LocalePrefixPattern):
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return True, url_pattern.pattern.prefix_default_language
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return False, False
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urlpatterns = [
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path('setlang/', set_language, name='set_language'),
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]
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