utils/urlsindex: Add support for django non regexp route

Allow to define endpoint route using a simple string instead of a
regular expression.

It notably enables to use django parameter type annotations like
int or uuid.

swh/web/api/apidoc.py

@@ -381,7 +381,7 @@ def api_doc(
             return make_api_response(request, None, doc_data)
 
         route_name = "%s-doc" % route[1:-1].replace("/", "-")
-        urlpattern = f"^api/{api_version}{route}doc/$"
+        urlpattern = f"api/{api_version}{route}doc/"
 
         view_name = "api-%s-%s" % (api_version, route_name)
         api_urls.add_url_pattern(urlpattern, doc_view, view_name)
@@ -389,7 +389,7 @@ def api_doc(
         # for backward compatibility as previous apidoc URLs were missing
         # the /api prefix
         old_view_name = view_name.replace("api-", "")
-        old_urlpattern = f"^{api_version}{route}doc/$"
+        old_urlpattern = f"{api_version}{route}doc/"
 
         @api_view(["GET", "HEAD"])
         def old_doc_view(request):

swh/web/api/apiurls.py

@@ -89,7 +89,7 @@ def api_route(
 
     """
 
-    url_pattern = "^api/" + api_version + url_pattern + "$"
+    url_pattern = "api/" + api_version + url_pattern
 
     def decorator(f):
         # create a DRF view from the wrapped function

swh/web/api/views/utils.py

@@ -77,7 +77,7 @@ def api_home(request: Request):
     return Response({}, template_name="api.html")
 
 
-api_urls.add_url_pattern(r"^api/$", api_home, view_name="api-1-homepage")
+api_urls.add_url_pattern("api/", api_home, view_name="api-1-homepage")
 
 
 @api_route(r"/", "api-1-endpoints")

swh/web/browse/browseurls.py

@@ -24,7 +24,7 @@ def browse_route(
         view_name: the name of the Django view associated to the routes used
             to reverse the url
     """
-    url_patterns = tuple("^browse/" + url_pattern + "$" for url_pattern in url_patterns)
+    url_patterns = tuple("browse/" + url_pattern for url_pattern in url_patterns)
     view_name = view_name
 
     def decorator(f):

swh/web/utils/urlsindex.py

@@ -7,8 +7,7 @@ from typing import Callable, List
 
 from django.http.response import HttpResponseBase
 from django.shortcuts import redirect
-from django.urls import URLPattern
-from django.urls import re_path as url
+from django.urls import URLPattern, path, re_path
 
 
 class UrlsIndex:
@@ -27,14 +26,23 @@ class UrlsIndex:
         Adds an URL pattern.
 
         Args:
-            url_pattern: regex describing a Django URL
+            url_pattern: string or regex describing a Django URL
             view: function implementing the Django view
             view_name: name of the view used to reverse the URL
         """
+
+        if "(?P<" in url_pattern:
+            url = re_path
+            assert not url_pattern.startswith("^")
+            assert not url_pattern.endswith("$")
+            pattern = "^" + url_pattern + "$"
+        else:
+            url = path
+            pattern = url_pattern
         if view_name:
-            self.urlpatterns.append(url(url_pattern, view, name=view_name))
+            self.urlpatterns.append(url(pattern, view, name=view_name))
         else:
-            self.urlpatterns.append(url(url_pattern, view))
+            self.urlpatterns.append(url(pattern, view))
 
     def add_redirect_for_checksum_args(
         self, view_name: str, url_patterns: List[str], checksum_args: List[str]