Properly read user and repo for github portal for github portal

frictionless/portals/github/plugin.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Any, Optional
+from typing import TYPE_CHECKING, Any, Optional, Tuple
 from urllib.parse import urlparse
 
 from ...system import Plugin
@@ -29,16 +29,22 @@ def create_adapter(
             if not control or isinstance(control, GithubControl):
                 if parsed.netloc == "github.com":
                     control = control or GithubControl()
-                    splited_url = parsed.path.split("/")[1:]
-                    if len(splited_url) == 1:
-                        control.user = splited_url[0]
-                        return GithubAdapter(control)
-                    if len(splited_url) == 2:
-                        control.user, control.repo = splited_url
+
+                    control.user, control.repo = self._extract_user_and_repo(parsed.path)
+
                     return GithubAdapter(control)
         if source is None and isinstance(control, GithubControl):
             return GithubAdapter(control=control)
 
     def select_control_class(self, type: Optional[str] = None):
         if type == "github":
             return GithubControl
+
+    @staticmethod
+    def _extract_user_and_repo(url_path: str) -> Tuple[Optional[str], Optional[str]]:
+        splitted_url = url_path.split("/")[1:]
+
+        user = splitted_url[0] if len(splitted_url) >= 1 else None
+        repo = splitted_url[1] if len(splitted_url) >= 2 else None
+
+        return (user, repo)