Source code for django.urls.conf

"""Functions for use in URLsconfs."""
from functools import partial
from importlib import import_module

from django.core.exceptions import ImproperlyConfigured

from .resolvers import (
    LocalePrefixPattern,
    RegexPattern,
    RoutePattern,
    URLPattern,
    URLResolver,
)


[docs]def include(arg, namespace=None): app_name = None if isinstance(arg, tuple): # Callable returning a namespace hint. try: urlconf_module, app_name = arg except ValueError: if namespace: raise ImproperlyConfigured( "Cannot override the namespace for a dynamic module that " "provides a namespace." ) raise ImproperlyConfigured( "Passing a %d-tuple to include() is not supported. Pass a " "2-tuple containing the list of patterns and app_name, and " "provide the namespace argument to include() instead." % len(arg) ) else: # No namespace hint - use manually provided namespace. urlconf_module = arg if isinstance(urlconf_module, str): urlconf_module = import_module(urlconf_module) patterns = getattr(urlconf_module, "urlpatterns", urlconf_module) app_name = getattr(urlconf_module, "app_name", app_name) if namespace and not app_name: raise ImproperlyConfigured( "Specifying a namespace in include() without providing an app_name " "is not supported. Set the app_name attribute in the included " "module, or pass a 2-tuple containing the list of patterns and " "app_name instead.", ) namespace = namespace or app_name # Make sure the patterns can be iterated through (without this, some # testcases will break). if isinstance(patterns, (list, tuple)): for url_pattern in patterns: pattern = getattr(url_pattern, "pattern", None) if isinstance(pattern, LocalePrefixPattern): raise ImproperlyConfigured( "Using i18n_patterns in an included URLconf is not allowed." ) return (urlconf_module, app_name, namespace)
def _path(route, view, kwargs=None, name=None, Pattern=None): from django.views import View if kwargs is not None and not isinstance(kwargs, dict): raise TypeError( f"kwargs argument must be a dict, but got {kwargs.__class__.__name__}." ) if isinstance(view, (list, tuple)): # For include(...) processing. pattern = Pattern(route, is_endpoint=False) urlconf_module, app_name, namespace = view return URLResolver( pattern, urlconf_module, kwargs, app_name=app_name, namespace=namespace, ) elif callable(view): pattern = Pattern(route, name=name, is_endpoint=True) return URLPattern(pattern, view, kwargs, name) elif isinstance(view, View): view_cls_name = view.__class__.__name__ raise TypeError( f"view must be a callable, pass {view_cls_name}.as_view(), not " f"{view_cls_name}()." ) else: raise TypeError( "view must be a callable or a list/tuple in the case of include()." ) path = partial(_path, Pattern=RoutePattern) re_path = partial(_path, Pattern=RegexPattern)
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