Add a script for generating the PR report

tools/generate_pr_report.py

@@ -0,0 +1,40 @@
+import argparse
+from os import environ
+from unittest.mock import patch
+
+from baldrick.github.github_api import RepoHandler, PullRequestHandler
+from baldrick.plugins.github_org_vetting import previous_pull_requests_notes, activity_counts, MAINTAINER_NOTES
+
+
+def get_installation_token(installation):
+    return environ["GITHUB_TOKEN"]
+
+
+@patch("baldrick.github.github_auth.get_installation_token", get_installation_token)
+def report_pr_stats(repo_name, pr_number):
+    """
+    Use Baldrick to report PR stats.
+    """
+    repo_handler = RepoHandler(repo_name)
+    pr_handler = PullRequestHandler(repo_name, pr_number)
+
+    print(
+        MAINTAINER_NOTES.format(
+            preamble="",
+            previous_prs=previous_pull_requests_notes(pr_handler, repo_handler),
+            **activity_counts(pr_handler, repo_handler),
+        )
+    )
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(
+        prog="generate_pr_report.py",
+        description="Generate a report for a pull request, requires the GITHUB_TOKEN environment variable.",
+    )
+    parser.add_argument("repo_name", help="Repository name, e.g. owner/repo")
+    parser.add_argument("pr_number", type=int, help="Pull request number")
+
+    args = parser.parse_args()
+
+    report_pr_stats(args.repo_name, int(args.pr_number))