Add OAuth2 config flow scaffold (#28220)

* Add OAuth2 scaffold

* Generate integration if non-existing domain specified

* Update URL

script/scaffold/__main__.py

@@ -48,34 +48,46 @@ def main():
     args = get_arguments()
 
     info = gather_info.gather_info(args)
+    print()
 
-    generate.generate(args.template, info)
+    # If we are calling scaffold on a non-existing integration,
+    # We're going to first make it. If we're making an integration,
+    # we will also make a config flow to go with it.
 
-    # If creating new integration, create config flow too
-    if args.template == "integration":
-        if info.authentication or not info.discoverable:
-            template = "config_flow"
-        else:
-            template = "config_flow_discovery"
+    if info.is_new:
+        generate.generate("integration", info)
 
-        generate.generate(template, info)
+        # If it's a new integration and it's not a config flow,
+        # create a config flow too.
+        if not args.template.startswith("config_flow"):
+            if info.oauth2:
+                template = "config_flow_oauth2"
+            elif info.authentication or not info.discoverable:
+                template = "config_flow"
+            else:
+                template = "config_flow_discovery"
+
+            generate.generate(template, info)
+
+    # If we wanted a new integration, we've already done our work.
+    if args.template != "integration":
+        generate.generate(args.template, info)
+
+    pipe_null = "" if args.develop else "> /dev/null"
 
     print("Running hassfest to pick up new information.")
-    subprocess.run("python -m script.hassfest", shell=True)
+    subprocess.run(f"python -m script.hassfest {pipe_null}", shell=True)
     print()
 
-    print("Running tests")
-    print(f"$ pytest -vvv tests/components/{info.domain}")
-    if (
-        subprocess.run(
-            f"pytest -vvv tests/components/{info.domain}", shell=True
-        ).returncode
-        != 0
-    ):
-        return 1
+    print("Running gen_requirements_all to pick up new information.")
+    subprocess.run(f"python -m script.gen_requirements_all {pipe_null}", shell=True)
     print()
 
-    print(f"Done!")
+    if args.develop:
+        print("Running tests")
+        print(f"$ pytest -vvv tests/components/{info.domain}")
+        subprocess.run(f"pytest -vvv tests/components/{info.domain}", shell=True)
+        print()
 
     docs.print_relevant_docs(args.template, info)