Merge pull request #827 from lisongmin/support-list-params-in-prepare-grant-uri

Author: lepture

authlib/oauth2/rfc6749/parameters.py

@@ -54,9 +54,14 @@ def prepare_grant_uri(
     if state:
         params.append(("state", state))
 
-    for k in kwargs:
-        if kwargs[k] is not None:
-            params.append((to_unicode(k), kwargs[k]))
+    for k, value in kwargs.items():
+        if value is not None:
+            if isinstance(value, (list, tuple)):
+                for v in value:
+                    if v is not None:
+                        params.append((to_unicode(k), v))
+            else:
+                params.append((to_unicode(k), value))
 
     return add_params_to_uri(uri, params)
 

tests/core/test_oauth2/test_rfc6749_misc.py

@@ -48,11 +48,11 @@ def test_parse_implicit_response():
 
 def test_prepare_grant_uri():
     grant_uri = parameters.prepare_grant_uri(
-        "https://provider.test/authorize", "dev", "code", max_age=0
+        "https://provider.test/authorize", "dev", "code", max_age=0, resource=["a", "b"]
     )
     assert (
         grant_uri
-        == "https://provider.test/authorize?response_type=code&client_id=dev&max_age=0"
+        == "https://provider.test/authorize?response_type=code&client_id=dev&max_age=0&resource=a&resource=b"
     )