ci: Remove reviewer assignment in the PR triaging agent

PiperOrigin-RevId: 823255296

Author: xuanyang15

contributing/samples/adk_pr_triaging_agent/agent.py

@@ -27,18 +27,18 @@
 from google.adk import Agent
 import requests
 
-LABEL_TO_OWNER = {
-    "documentation": "polong-lin",
-    "services": "DeanChensj",
-    "tools": "seanzhou1023",
-    "mcp": "seanzhou1023",
-    "eval": "ankursharmas",
-    "live": "hangfei",
-    "models": "genquan9",
-    "tracing": "Jacksunwei",
-    "core": "Jacksunwei",
-    "web": "wyf7107",
-}
+ALLOWED_LABELS = [
+    "documentation",
+    "services",
+    "tools",
+    "mcp",
+    "eval",
+    "live",
+    "models",
+    "tracing",
+    "core",
+    "web",
+]
 
 CONTRIBUTING_MD = read_file(
     Path(__file__).resolve().parents[3] / "CONTRIBUTING.md"
@@ -158,19 +158,19 @@ def get_pull_request_details(pr_number: int) -> str:
     return error_response(str(e))
 
 
-def add_label_and_reviewer_to_pr(pr_number: int, label: str) -> dict[str, Any]:
-  """Adds a specified label and requests a review from a mapped reviewer on a PR.
+def add_label_to_pr(pr_number: int, label: str) -> dict[str, Any]:
+  """Adds a specified label on a pull request.
 
   Args:
       pr_number: the number of the Github pull request
       label: the label to add
 
   Returns:
-      The the status of this request, with the applied label and assigned
-      reviewer when successful.
+      The the status of this request, with the applied label and response when
+      successful.
   """
-  print(f"Attempting to add label '{label}' and a reviewer to PR #{pr_number}")
-  if label not in LABEL_TO_OWNER:
+  print(f"Attempting to add label '{label}' to PR #{pr_number}")
+  if label not in ALLOWED_LABELS:
     return error_response(
         f"Error: Label '{label}' is not an allowed label. Will not apply."
     )
@@ -186,31 +186,10 @@ def add_label_and_reviewer_to_pr(pr_number: int, label: str) -> dict[str, Any]:
   except requests.exceptions.RequestException as e:
     return error_response(f"Error: {e}")
 
-  owner = LABEL_TO_OWNER.get(label, None)
-  if not owner:
-    return {
-        "status": "warning",
-        "message": (
-            f"{response}\n\nLabel '{label}' does not have an owner. Will not"
-            " assign."
-        ),
-        "applied_label": label,
-    }
-  reviewer_url = f"{GITHUB_BASE_URL}/repos/{OWNER}/{REPO}/pulls/{pr_number}/requested_reviewers"
-  reviewer_payload = {"reviewers": [owner]}
-  try:
-    post_request(reviewer_url, reviewer_payload)
-  except requests.exceptions.RequestException as e:
-    return {
-        "status": "warning",
-        "message": f"Reviewer not assigned: {e}",
-        "applied_label": label,
-    }
-
   return {
       "status": "success",
       "applied_label": label,
-      "assigned_reviewer": owner,
+      "response": response,
   }
 
 
@@ -252,7 +231,6 @@ def add_comment_to_pr(pr_number: int, comment: str) -> dict[str, Any]:
       Your core responsibility includes:
       - Get the pull request details.
       - Add a label to the pull request.
-      - Assign a reviewer to the pull request.
       - Check if the pull request is following the contribution guidelines.
       - Add a comment to the pull request if it's not following the guidelines.
 
@@ -303,7 +281,7 @@ def add_comment_to_pr(pr_number: int, comment: str) -> dict[str, Any]:
       - Skip the PR (i.e. do not label or comment) if any of the following is true:
         - the PR is closed
         - the PR is labeled with "google-contributior"
-        - the PR is already labelled with the above labels (e.g. "documentation", "services", "tools", etc.) and has a reviewer assigned.
+        - the PR is already labelled with the above labels (e.g. "documentation", "services", "tools", etc.).
       - Check if the PR is following the contribution guidelines.
         - If it's not following the guidelines, recommend or add a comment to the PR that points to the contribution guidelines (https://github.com/google/adk-python/blob/main/CONTRIBUTING.md).
         - If it's following the guidelines, recommend or add a label to the PR.
@@ -312,12 +290,11 @@ def add_comment_to_pr(pr_number: int, comment: str) -> dict[str, Any]:
       Present the followings in an easy to read format highlighting PR number and your label.
       - The PR summary in a few sentence
       - The label you recommended or added with the justification
-      - The owner of the label if you assigned a reviewer to the PR
       - The comment you recommended or added to the PR with the justification
     """,
     tools=[
         get_pull_request_details,
-        add_label_and_reviewer_to_pr,
+        add_label_to_pr,
         add_comment_to_pr,
     ],
 )