Use str as default path converter (#9066)

rest_framework/routers.py

@@ -144,7 +144,7 @@ def __init__(self, trailing_slash=True, use_regex_path=True):
             self._url_conf = re_path
         else:
             self._base_pattern = '<{lookup_value}:{lookup_prefix}{lookup_url_kwarg}>'
-            self._default_value_pattern = 'path'
+            self._default_value_pattern = 'str'
             self._url_conf = path
             # remove regex characters from routes
             _routes = []

tests/test_routers.py

@@ -99,6 +99,13 @@ def url_path_detail(self, request, *args, **kwargs):
         kwarg = self.kwargs.get('kwarg', '')
         return Response({'pk': pk, 'kwarg': kwarg})
 
+    @action(detail=True, url_path='detail/<int:kwarg>/detail/<int:param>')
+    def url_path_detail_multiple_params(self, request, *args, **kwargs):
+        pk = self.kwargs.get('pk', '')
+        kwarg = self.kwargs.get('kwarg', '')
+        param = self.kwargs.get('param', '')
+        return Response({'pk': pk, 'kwarg': kwarg, 'param': param})
+
 
 notes_router = SimpleRouter()
 notes_router.register(r'notes', NoteViewSet)
@@ -561,6 +568,18 @@ def test_detail_extra_action(self):
         assert response.status_code == 200
         assert json.loads(response.content.decode()) == {'pk': pk, 'kwarg': kwarg}
 
+    def test_detail_extra_other_action(self):
+        # this to assure that ambiguous patterns are interpreted correctly
+        # using the `path` converters this URL is recognized to match the pattern
+        # of `UrlPathViewSet.url_path_detail` when it should match
+        # `UrlPathViewSet.url_path_detail_multiple_params`
+        pk = '1'
+        kwarg = 1234
+        param = 2
+        response = self.client.get('/path/1/detail/1234/detail/2/')
+        assert response.status_code == 200
+        assert json.loads(response.content.decode()) == {'pk': pk, 'kwarg': kwarg, 'param': param}
+
     def test_defaultrouter_root(self):
         response = self.client.get('/default/')
         assert response.status_code == 200