245 lines
9.2 KiB
Python
245 lines
9.2 KiB
Python
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#!/usr/bin/env python3
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"""
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PR-Agent Auto-Approve + Auto-Merge Bot
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Runs periodically (cron), finds open PRs that have been reviewed by PR-Agent,
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approves them and enables auto-merge.
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"""
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import os, sys, json, time, hmac, hashlib, asyncio
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from pathlib import Path
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# ── Config ──
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APP_ID = os.environ.get("GITHUB_APP_ID", "4319749")
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PRIVATE_KEY_PATH = os.environ.get("PRIVATE_KEY_PATH", "/var/lib/pr-agent-server/private-key.pem")
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WEBHOOK_SECRET = os.environ.get("GITHUB_WEBHOOK_SECRET", "")
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BASE_URL = os.environ.get("GITHUB_API_BASE", "https://api.github.com")
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def get_jwt():
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import jwt as pyjwt
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with open(PRIVATE_KEY_PATH) as f:
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key = f.read()
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now = int(time.time())
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payload = {"iat": now - 60, "exp": now + 600, "iss": APP_ID}
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return pyjwt.encode(payload, key, algorithm="RS256")
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def get_installation_token(installation_id: int) -> str:
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"""Get installation access token"""
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import httpx
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jwt_token = get_jwt()
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with httpx.Client() as client:
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r = client.post(
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f"{BASE_URL}/app/installations/{installation_id}/access_tokens",
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headers={"Authorization": f"Bearer {jwt_token}", "Accept": "application/vnd.github.v3+json"}
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)
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return r.json().get("token", "")
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def get_all_installations() -> list:
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"""Get all app installations"""
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jwt_token = get_jwt()
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import httpx
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with httpx.Client() as client:
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r = client.get(
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f"{BASE_URL}/app/installations",
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headers={"Authorization": f"Bearer {jwt_token}", "Accept": "application/vnd.github.v3+json"}
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)
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return r.json()
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def get_installation_repos(installation_id: int, token: str) -> list:
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"""Get repos for an installation"""
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import httpx
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with httpx.Client() as client:
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r = client.get(
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f"{BASE_URL}/installation/repositories",
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headers={"Authorization": f"token {token}", "Accept": "application/vnd.github.v3+json"}
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)
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return r.json().get("repositories", [])
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def get_open_prs(token: str, repo_full: str) -> list:
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"""Get open PRs in a repo"""
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import httpx
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with httpx.Client() as client:
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r = client.get(
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f"{BASE_URL}/repos/{repo_full}/pulls?state=open&sort=updated&direction=desc",
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headers={"Authorization": f"token {token}", "Accept": "application/vnd.github.v3+json"}
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)
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return r.json()
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def get_pr_reviews(token: str, repo_full: str, pr_number: int) -> list:
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"""Get reviews for a PR"""
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import httpx
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with httpx.Client() as client:
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r = client.get(
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f"{BASE_URL}/repos/{repo_full}/pulls/{pr_number}/reviews",
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headers={"Authorization": f"token {token}", "Accept": "application/vnd.github.v3+json"}
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)
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return r.json()
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def get_pr_comments(token: str, repo_full: str, pr_number: int) -> list:
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"""Get issue comments for a PR"""
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import httpx
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with httpx.Client() as client:
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r = client.get(
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f"{BASE_URL}/repos/{repo_full}/issues/{pr_number}/comments",
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headers={"Authorization": f"token {token}", "Accept": "application/vnd.github.v3+json"}
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)
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return r.json()
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def approve_pr(token: str, repo_full: str, pr_number: int) -> bool:
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"""Submit APPROVE review"""
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import httpx
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with httpx.Client() as client:
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r = client.post(
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f"{BASE_URL}/repos/{repo_full}/pulls/{pr_number}/reviews",
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headers={"Authorization": f"token {token}", "Accept": "application/vnd.github.v3+json"},
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json={"event": "APPROVE", "body": "✅ Auto-approved by PR-Agent bot."}
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)
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return r.status_code == 200
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def merge_pr(token: str, repo_full: str, pr_number: int) -> tuple:
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"""Attempt to merge the PR"""
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import httpx
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with httpx.Client() as client:
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# Get PR info for SHA
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pr_r = client.get(
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f"{BASE_URL}/repos/{repo_full}/pulls/{pr_number}",
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headers={"Authorization": f"token {token}", "Accept": "application/vnd.github.v3+json"}
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)
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if pr_r.status_code != 200:
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return False, f"Can't get PR: {pr_r.status_code}"
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pr_data = pr_r.json()
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sha = pr_data.get("head", {}).get("sha", "")
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mergeable = pr_data.get("mergeable", False)
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if mergeable is False:
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return False, "PR not mergeable (conflicts or checks pending)"
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# Try merge
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merge_r = client.put(
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f"{BASE_URL}/repos/{repo_full}/pulls/{pr_number}/merge",
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headers={"Authorization": f"token {token}", "Accept": "application/vnd.github.v3+json"},
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json={
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"commit_title": f"Auto-merge PR #{pr_number}",
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"merge_method": "merge",
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"sha": sha
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}
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)
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if merge_r.status_code == 200:
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return True, f"Merged: {merge_r.json().get('sha', '')}"
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else:
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return False, f"Merge failed: {merge_r.status_code} - {merge_r.json().get('message', '')}"
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def has_bot_comment_with_review(comments: list) -> tuple:
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"""Check if PR-Agent has posted a review comment and extract quality"""
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bot_name = "mytheclipsebotreview"
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for c in comments:
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if c.get("user", {}).get("login", "").startswith(bot_name):
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body = c.get("body", "")
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# Check for PR Reviewer Guide (successful review)
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if "PR Reviewer Guide" in body:
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# Extract score if available
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score = extract_score(body)
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return True, score
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return False, 0
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def extract_score(body: str) -> int:
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"""Extract review score from bot comment"""
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import re
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# Look for score patterns like "Score: 8" or "⏱️ Estimated effort"
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# For now, assume passing if we got a review without errors
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return 8
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def main():
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print("=" * 60)
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print(f"PR-Agent Auto-Approve/Merge Bot - {time.ctime()}")
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print("=" * 60)
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# Get installations
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installations = get_all_installations()
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print(f"Found {len(installations)} installation(s)")
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for inst in installations:
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inst_id = inst["id"]
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account = inst["account"]["login"]
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print(f"\n📦 Installation {inst_id} - @{account}")
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# Get token
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token = get_installation_token(inst_id)
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if not token:
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print(f" ❌ Failed to get token")
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continue
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# Get repos
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repos = get_installation_repos(inst_id, token)
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print(f" Repos: {len(repos)}")
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for repo in repos:
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repo_full = repo["full_name"]
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print(f"\n 📁 {repo_full}")
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# Get open PRs
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prs = get_open_prs(token, repo_full)
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print(f" Open PRs: {len(prs)}")
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for pr in prs[:5]: # Max 5 per repo
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pr_num = pr["number"]
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pr_title = pr["title"]
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pr_user = pr["user"]["login"]
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pr_author = pr_user
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print(f" 🔀 PR #{pr_num}: {pr_title[:50]}...")
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# Skip bot PRs
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if "[bot]" in pr_author or pr_author == "mytheclipsebotreview":
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print(f" ⏭️ Bot PR, skipping")
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continue
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# Check if already approved/merged
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if pr.get("merged", False):
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print(f" ✅ Already merged")
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continue
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# Check reviews
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reviews = get_pr_reviews(token, repo_full, pr_num)
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bot_approved = any(
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r.get("user", {}).get("login", "").startswith("mytheclipsebotreview")
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and r.get("state") == "APPROVED"
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for r in reviews
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)
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if bot_approved:
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print(f" ✅ Already approved. Trying merge...")
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success, msg = merge_pr(token, repo_full, pr_num)
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print(f" {'✅' if success else '❌'} Merge: {msg}")
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continue
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# Check bot comments for review
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comments = get_pr_comments(token, repo_full, pr_num)
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has_review, score = has_bot_comment_with_review(comments)
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if has_review and score >= 5:
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print(f" 📝 Review found (score: {score}). Approving + merging...")
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# Approve
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if approve_pr(token, repo_full, pr_num):
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print(f" ✅ Approved!")
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else:
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print(f" ❌ Approve failed")
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continue
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# Small delay
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time.sleep(2)
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# Merge
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success, msg = merge_pr(token, repo_full, pr_num)
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print(f" {'✅ Merged!' if success else '❌ ' + msg}")
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elif has_review and score < 5:
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print(f" ⏭️ Review score too low ({score})")
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else:
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print(f" ⏳ No bot review yet")
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print("\n" + "=" * 60)
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print("Done!")
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if __name__ == "__main__":
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main()
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