Fix issue #5450: In openhands-resolver.yml, request code review from the person who initiated the workflow (#5451)

Co-authored-by: Graham Neubig <neubig@gmail.com>

openhands/resolver/send_pull_request.py

@@ -238,6 +238,7 @@ def send_pull_request(
     fork_owner: str | None = None,
     additional_message: str | None = None,
     target_branch: str | None = None,
+    reviewer: str | None = None,
 ) -> str:
     """Send a pull request to a GitHub repository.
 
@@ -350,6 +351,19 @@ def send_pull_request(
         response.raise_for_status()
         pr_data = response.json()
 
+        # Request review if a reviewer was specified
+        if reviewer and pr_type != 'branch':
+            review_data = {'reviewers': [reviewer]}
+            review_response = requests.post(
+                f'{base_url}/pulls/{pr_data["number"]}/requested_reviewers',
+                headers=headers,
+                json=review_data,
+            )
+            if review_response.status_code != 201:
+                print(
+                    f'Warning: Failed to request review from {reviewer}: {review_response.text}'
+                )
+
         url = pr_data['html_url']
 
     print(f'{pr_type} created: {url}\n\n--- Title: {pr_title}\n\n--- Body:\n{pr_body}')
@@ -520,6 +534,7 @@ def process_single_issue(
     fork_owner: str | None,
     send_on_failure: bool,
     target_branch: str | None = None,
+    reviewer: str | None = None,
 ) -> None:
     if not resolver_output.success and not send_on_failure:
         print(
@@ -569,6 +584,7 @@ def process_single_issue(
             fork_owner=fork_owner,
             additional_message=resolver_output.success_explanation,
             target_branch=target_branch,
+            reviewer=reviewer,
         )
 
 
@@ -665,6 +681,12 @@ def main():
         default=None,
         help='Target branch to create the pull request against (defaults to repository default branch)',
     )
+    parser.add_argument(
+        '--reviewer',
+        type=str,
+        help='GitHub username of the person to request review from',
+        default=None,
+    )
     my_args = parser.parse_args()
 
     github_token = (
@@ -718,6 +740,7 @@ def main():
             my_args.fork_owner,
             my_args.send_on_failure,
             my_args.target_branch,
+            my_args.reviewer,
         )