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#!/usr/bin/env python3
import re
import sys
import time
import requests
# Use the same regex for PR title and commit messages for now
title_regex = r'^(([a-zA-Z\-_.]+:\s)?)T\d+:\s+[^\s]+.*'
commit_regex = title_regex
def check_pr_title(title):
if not re.match(title_regex, title):
print(f"PR title '{title}' does not match the required format!")
print("Valid title example: T99999: make IPsec secure")
sys.exit(1)
def check_commit_message(title):
if not re.match(commit_regex, title):
print(f"Commit title '{title}' does not match the required format!")
print("Valid title example: T99999: make IPsec secure")
sys.exit(1)
if __name__ == '__main__':
if len(sys.argv) < 2:
print("Please specify pull request URL!")
sys.exit(1)
# There seems to be a race condition that causes this scripts to receive
# an incomplete PR object that is missing certain fields,
# which causes temporary CI failures that require re-running the script
#
# It's probably better to add a small delay to prevent that
time.sleep(5)
# Get the pull request object
pr = requests.get(sys.argv[1]).json()
if "title" not in pr:
print("The PR object does not have a title field!")
print("Did not receive a valid pull request object, please check the URL!")
sys.exit(1)
check_pr_title(pr["title"])
# Get the list of commits
commits = requests.get(pr["commits_url"]).json()
for c in commits:
# Retrieve every individual commit and check its title
co = requests.get(c["url"]).json()
check_commit_message(co["commit"]["message"])
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