Fixed #35518 -- Optimized RoutePattern by using string operations for converter-less routes.

2 files changed, 25 insertions, 11 deletions

diff --git a/django/urls/resolvers.py b/django/urls/resolvers.py
index 3d3bbfd38a..13043835dd 100644
--- a/django/urls/resolvers.py
+++ b/django/urls/resolvers.py
@@ -322,17 +322,25 @@ class RoutePattern(CheckURLMixin):
         self.name = name
 
     def match(self, path):
-        match = self.regex.search(path)
-        if match:
-            # RoutePattern doesn't allow non-named groups so args are ignored.
-            kwargs = match.groupdict()
-            for key, value in kwargs.items():
-                converter = self.converters[key]
-                try:
-                    kwargs[key] = converter.to_python(value)
-                except ValueError:
-                    return None
-            return path[match.end() :], (), kwargs
+        # Only use regex overhead if there are converters.
+        if self.converters:
+            if match := self.regex.search(path):
+                # RoutePattern doesn't allow non-named groups so args are ignored.
+                kwargs = match.groupdict()
+                for key, value in kwargs.items():
+                    converter = self.converters[key]
+                    try:
+                        kwargs[key] = converter.to_python(value)
+                    except ValueError:
+                        return None
+                return path[match.end() :], (), kwargs
+        # If this is an endpoint, the path should be exactly the same as the route.
+        elif self._is_endpoint:
+            if self._route == path:
+                return "", (), {}
+        # If this isn't an endpoint, the path should start with the route.
+        elif path.startswith(self._route):
+            return path.removeprefix(self._route), (), {}
         return None
 
     def check(self):
diff --git a/tests/urlpatterns/test_resolvers.py b/tests/urlpatterns/test_resolvers.py
index cb831bbe1c..99b2f9154c 100644
--- a/tests/urlpatterns/test_resolvers.py
+++ b/tests/urlpatterns/test_resolvers.py
@@ -13,6 +13,12 @@ class RoutePatternTests(SimpleTestCase):
     def test_str(self):
         self.assertEqual(str(RoutePattern(_("translated/"))), "translated/")
 
+    def test_has_converters(self):
+        self.assertEqual(len(RoutePattern("translated/").converters), 0)
+        self.assertEqual(len(RoutePattern(_("translated/")).converters), 0)
+        self.assertEqual(len(RoutePattern("translated/<int:foo>").converters), 1)
+        self.assertEqual(len(RoutePattern(_("translated/<int:foo>")).converters), 1)
+
 
 class ResolverCacheTests(SimpleTestCase):
     @override_settings(ROOT_URLCONF="urlpatterns.path_urls")