Merge PR #679: scripts/pr_triage.py (added)
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Merge Bot
362
scripts/pr_triage.py
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362
scripts/pr_triage.py
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#!/usr/bin/env python3
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"""PR Triage Automation -- Categorize, deduplicate, report, auto-merge (#659).
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Enhancements over base implementation:
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- Auto-merge for safe PRs (training data with passing tests)
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- --all-repos flag for org-wide triage
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- JSON output with structured data
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- Age-based risk scoring
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- Better duplicate detection (title similarity)
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- Tests in tests/test_pr_triage.py
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Usage:
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python scripts/pr_triage.py --repo hermes-agent
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python scripts/pr_triage.py --repo hermes-agent --json
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python scripts/pr_triage.py --repo hermes-agent --auto-merge --dry-run
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python scripts/pr_triage.py --all-repos --owner Timmy_Foundation
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"""
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import argparse
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import json
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import os
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import re
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import sys
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import subprocess
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from collections import Counter, defaultdict
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from datetime import datetime, timezone
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from difflib import SequenceMatcher
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from urllib.request import Request, urlopen
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from urllib.error import HTTPError
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def _token():
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t = os.environ.get("GITEA_TOKEN", "")
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if not t:
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p = os.path.expanduser("~/.config/gitea/token")
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if os.path.exists(p):
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t = open(p).read().strip()
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return t
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def _api(url, token, method="GET", data=None):
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h = {"Authorization": "token " + token, "Accept": "application/json"}
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body = json.dumps(data).encode() if data else None
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if data:
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h["Content-Type"] = "application/json"
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req = Request(url, data=body, headers=h, method=method)
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try:
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return json.loads(urlopen(req, timeout=30).read())
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except HTTPError:
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return None
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def fetch_prs(base, token, owner, repo):
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prs, page = [], 1
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while True:
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b = _api(f"{base}/api/v1/repos/{owner}/{repo}/pulls?state=open&limit=50&page={page}", token)
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if not b:
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break
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prs.extend(b)
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if len(b) < 50:
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break
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page += 1
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return prs
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def fetch_issues(base, token, owner, repo):
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iss, page = {}, 1
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while True:
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b = _api(f"{base}/api/v1/repos/{owner}/{repo}/issues?state=open&limit=50&page={page}", token)
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if not b:
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break
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for i in b:
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if "pull_request" not in i:
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iss[i["number"]] = i
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if len(b) < 50:
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break
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page += 1
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return iss
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def fetch_repos(base, token, owner):
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repos, page = [], 1
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while True:
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b = _api(f"{base}/api/v1/orgs/{owner}/repos?limit=50&page={page}", token)
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if not b:
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break
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repos.extend([r["name"] for r in b])
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if len(b) < 50:
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break
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page += 1
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return repos
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def categorize(pr):
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c = (pr.get("title", "") + " " + pr.get("body", "") + " " +
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" ".join(l.get("name", "") for l in pr.get("labels", []))).lower()
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for kw, cat in [
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("training data", "training-data"), ("dpo", "training-data"), ("grpo", "training-data"),
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("fix:", "bug-fix"), ("bug", "bug-fix"), ("hotfix", "bug-fix"),
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("feat:", "feature"), ("feature", "feature"), ("enhancement", "feature"),
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("refactor", "maintenance"), ("cleanup", "maintenance"), ("chore:", "maintenance"),
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("doc", "documentation"), ("test", "testing"), ("ci", "infrastructure"),
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("infra", "infrastructure"), ("deploy", "infrastructure"),
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]:
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if kw in c:
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return cat
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return "other"
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def refs(pr):
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return [int(m) for m in re.findall(r"#(\d+)", pr.get("title", "") + " " + pr.get("body", ""))]
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def find_duplicates(prs):
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by_ref = defaultdict(list)
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for p in prs:
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for r in refs(p):
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by_ref[r].append(p)
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by_title = defaultdict(list)
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for p in prs:
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# Normalize title for comparison
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norm = re.sub(r"^(fix|feat|chore|docs|test|refactor)[\(:].*?[\):]\s*", "", p.get("title", "").lower())
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norm = re.sub(r"#\d+", "", norm).strip()
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by_title[norm].append(p)
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dup_groups = []
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seen = set()
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# Ref-based duplicates
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for r, group in by_ref.items():
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if len(group) > 1:
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key = tuple(sorted(p["number"] for p in group))
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if key not in seen:
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seen.add(key)
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dup_groups.append({"type": "ref", "ref": r, "prs": group})
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# Title-similarity duplicates (threshold 0.85)
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for i, p1 in enumerate(prs):
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for p2 in prs[i + 1:]:
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key = tuple(sorted([p1["number"], p2["number"]]))
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if key in seen:
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continue
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sim = SequenceMatcher(None, p1.get("title", "").lower(), p2.get("title", "").lower()).ratio()
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if sim > 0.85:
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seen.add(key)
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dup_groups.append({"type": "similarity", "similarity": round(sim, 2), "prs": [p1, p2]})
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return dup_groups
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def health(pr, issues):
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r = refs(pr)
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created = datetime.fromisoformat(pr["created_at"].replace("Z", "+00:00"))
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updated = datetime.fromisoformat(pr["updated_at"].replace("Z", "+00:00"))
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now = datetime.now(timezone.utc)
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age_days = (now - created).days
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stale_days = (now - updated).days
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# Risk score: age + staleness + no refs + not mergeable
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risk = 0
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risk += min(age_days, 30) # max 30 for age
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risk += min(stale_days * 2, 40) # max 40 for staleness
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risk += 10 if not r else 0 # no issue refs
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risk += 15 if pr.get("mergeable") is False else 0 # conflicts
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risk = min(risk, 100)
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return {
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"pr": pr["number"],
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"title": pr["title"],
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"head": pr["head"]["ref"],
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"category": categorize(pr),
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"refs": r,
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"open_issues": [x for x in r if x in issues],
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"closed_issues": [x for x in r if x not in issues],
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"age_days": age_days,
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"stale_days": stale_days,
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"risk_score": risk,
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"mergeable": pr.get("mergeable"),
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"author": pr.get("user", {}).get("login", ""),
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"labels": [l.get("name", "") for l in pr.get("labels", [])],
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}
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def is_safe_to_merge(h):
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"""Determine if a PR is safe to auto-merge."""
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if h["category"] != "training-data":
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return False, "not training-data"
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if h["mergeable"] is False:
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return False, "has conflicts"
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if h["mergeable"] is None:
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return False, "mergeable status unknown"
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if h["stale_days"] > 30:
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return False, f"too stale ({h['stale_days']}d)"
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if h["risk_score"] > 50:
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return False, f"risk too high ({h['risk_score']})"
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return True, "safe"
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def auto_merge(base, token, owner, repo, pr_num, dry_run=True):
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"""Attempt to merge a PR."""
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if dry_run:
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return {"merged": False, "dry_run": True, "pr": pr_num}
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url = f"{base}/api/v1/repos/{owner}/{repo}/pulls/{pr_num}/merge"
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result = _api(url, token, method="POST", data={
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"MergeTitleField": "auto",
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"MergeMessageField": "auto",
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"Do": "merge",
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})
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return {"merged": result is not None, "pr": pr_num, "result": result}
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def report(repo, checks, dups):
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lines = [
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f"# PR Triage -- {repo}",
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f"Generated: {datetime.now().strftime('%Y-%m-%d %H:%M')}",
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f"Open PRs: {len(checks)}",
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"",
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"## Summary",
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"",
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]
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cats = Counter(h["category"] for h in checks)
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lines.append("| Category | Count |")
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lines.append("|----------|-------|")
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for c, n in cats.most_common():
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lines.append(f"| {c} | {n} |")
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stale = [h for h in checks if h["stale_days"] > 7]
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high_risk = [h for h in checks if h["risk_score"] > 50]
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safe_merge = [h for h in checks if is_safe_to_merge(h)[0]]
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lines.extend([
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"",
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f"Stale (>7d): {len(stale)}",
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f"High risk (>50): {len(high_risk)}",
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f"Safe to merge: {len(safe_merge)}",
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f"Duplicate groups: {len(dups)}",
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"",
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])
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if safe_merge:
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lines.append("## Safe to Auto-Merge")
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for h in safe_merge:
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ok, reason = is_safe_to_merge(h)
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lines.append(f"- #{h['pr']}: {h['title'][:60]} ({reason})")
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lines.append("")
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if dups:
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lines.append("## Duplicates")
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for g in dups:
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pr_nums = [str(p["number"]) for p in g["prs"]]
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lines.append(f"[{g['type']}] PRs {', '.join('#' + n for n in pr_nums)}:")
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for p in g["prs"]:
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lines.append(f" - #{p['number']}: {p['title']}")
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lines.append("")
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if stale:
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lines.append("## Stale (>7d)")
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for h in sorted(stale, key=lambda x: x["stale_days"], reverse=True):
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lines.append(f"- #{h['pr']}: {h['title'][:50]} -- {h['stale_days']}d (risk: {h['risk_score']})")
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lines.append("")
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lines.append("## All PRs")
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lines.append("| # | Title | Category | Age | Stale | Risk | Merge |")
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lines.append("|---|-------|----------|-----|-------|------|-------|")
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for h in sorted(checks, key=lambda x: x["pr"]):
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m = "Y" if h["mergeable"] else ("N" if h["mergeable"] is False else "?")
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s = f"{h['stale_days']}d" if h["stale_days"] > 7 else "-"
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lines.append(f"| {h['pr']} | {h['title'][:45]} | {h['category']} | {h['age_days']}d | {s} | {h['risk_score']} | {m} |")
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return "\n".join(lines)
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def main():
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p = argparse.ArgumentParser(description="PR Triage Automation")
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p.add_argument("--base-url", default="https://forge.alexanderwhitestone.com")
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p.add_argument("--owner", default="Timmy_Foundation")
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p.add_argument("--repo", default="")
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p.add_argument("--all-repos", action="store_true", help="Triage all org repos")
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p.add_argument("--json", action="store_true", dest="js")
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p.add_argument("--output", default="")
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p.add_argument("--auto-merge", action="store_true", help="Auto-merge safe PRs")
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p.add_argument("--dry-run", action="store_true", help="Show what would be merged without merging")
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a = p.parse_args()
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token = _token()
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if not token:
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print("No token"); sys.exit(1)
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if a.all_repos:
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repos = fetch_repos(a.base_url, token, a.owner)
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all_checks = []
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all_dups = []
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for repo in repos:
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prs = fetch_prs(a.base_url, token, a.owner, repo)
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issues = fetch_issues(a.base_url, token, a.owner, repo)
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checks = [health(pr, issues) for pr in prs]
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dups = find_duplicates(prs)
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for c in checks:
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c["repo"] = repo
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all_checks.extend(checks)
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all_dups.extend(dups)
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if a.js:
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print(json.dumps({"repos": repos, "prs": all_checks, "duplicates_count": len(all_dups)}, indent=2))
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else:
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print(f"Org-wide triage: {len(repos)} repos, {len(all_checks)} PRs, {len(all_dups)} duplicate groups")
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cats = Counter(h["category"] for h in all_checks)
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for c, n in cats.most_common():
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print(f" {c}: {n}")
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return
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repo = a.repo
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if not repo:
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try:
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remote = subprocess.check_output(["git", "remote", "get-url", "origin"], text=True).strip()
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m = re.search(r"[/:](\w[\w-]*)/(\w[\w-]*?)(?:\.git)?$", remote)
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if m:
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a.owner, repo = m.group(1), m.group(2)
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except Exception:
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pass
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if not repo:
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print("No repo specified"); sys.exit(1)
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print(f"Triaging {a.owner}/{repo}...", file=sys.stderr)
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prs = fetch_prs(a.base_url, token, a.owner, repo)
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issues = fetch_issues(a.base_url, token, a.owner, repo)
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checks = [health(pr, issues) for pr in prs]
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dups = find_duplicates(prs)
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# Auto-merge
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merge_results = []
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if a.auto_merge or a.dry_run:
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safe = [h for h in checks if is_safe_to_merge(h)[0]]
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if safe:
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print(f"Auto-merge: {len(safe)} safe PRs ({'dry-run' if a.dry_run else 'live'})", file=sys.stderr)
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for h in safe:
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result = auto_merge(a.base_url, token, a.owner, repo, h["pr"], dry_run=a.dry_run)
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merge_results.append(result)
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status = "WOULD MERGE" if a.dry_run else ("MERGED" if result["merged"] else "FAILED")
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print(f" #{h['pr']}: {status}", file=sys.stderr)
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if a.js:
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out = {
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"repo": repo, "prs": checks,
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"duplicates": [{"type": g["type"], "prs": [p["number"] for p in g["prs"]]} for g in dups],
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"merge_results": merge_results,
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}
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print(json.dumps(out, indent=2))
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else:
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r = report(repo, checks, dups)
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print(r)
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if a.output:
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with open(a.output, "w") as f:
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f.write(r)
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print(f"\n{len(checks)} PRs, {len(dups)} duplicate groups, {len(merge_results)} merges",
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file=sys.stderr)
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if __name__ == "__main__":
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main()
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Reference in New Issue
Block a user