40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
import functools
|
|
|
|
from django.conf import settings
|
|
from django.urls import LocalePrefixPattern, URLResolver, get_resolver, path
|
|
from django.views.i18n import set_language
|
|
|
|
|
|
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"),
|
|
]
|