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step35/90-
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#!/usr/bin/env python3
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"""
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Release Note Analyzer — Monitor dependency releases and extract structured insights.
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Fetches GitHub releases for configured repositories, parses changelogs,
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categorizes changes, and flags breaking changes.
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Usage:
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python3 scripts/release_note_analyzer.py --repos owner/repo1,owner/repo2
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python3 scripts/release_note_analyzer.py --repos numpy/numpy --limit 5
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python3 scripts/release_note_analyzer.py --repos owner/repo --output metrics/releases.json
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python3 scripts/release_note_analyzer.py --repos owner/repo --token $GITHUB_TOKEN
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Output:
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JSON with per-release structure: version, date, url, categories (features, fixes, breaking), raw_body
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"""
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import argparse
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import json
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import re
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import sys
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from datetime import datetime, timezone
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from typing import Dict, List, Any, Optional
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from dataclasses import dataclass, field, asdict
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import os
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@dataclass
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class ReleaseAnalysis:
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version: str
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date: str
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url: str
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categories: Dict[str, List[str]] = field(default_factory=dict)
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breaking_change_flags: List[str] = field(default_factory=list)
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raw_body: str = ""
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def to_dict(self) -> Dict[str, Any]:
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return asdict(self)
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def fetch_github_releases(repo: str, token: Optional[str] = None, limit: int = 10) -> List[Dict[str, Any]]:
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"""Fetch latest releases from GitHub API."""
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import urllib.request
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import urllib.error
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url = f"https://api.github.com/repos/{repo}/releases?per_page={limit}"
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headers = {"Accept": "application/vnd.github.v3+json"}
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if token:
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headers["Authorization"] = f"token {token}"
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req = urllib.request.Request(url, headers=headers)
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try:
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with urllib.request.urlopen(req, timeout=30) as resp:
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data = json.loads(resp.read())
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return data
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except urllib.error.HTTPError as e:
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print(f"Error fetching releases for {repo}: HTTP {e.code}", file=sys.stderr)
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return []
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except Exception as e:
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print(f"Error fetching releases for {repo}: {e}", file=sys.stderr)
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return []
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def categorize_changelog(body: str) -> Dict[str, List[str]]:
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"""Categorize release note lines into features, fixes, and other."""
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categories = {
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"features": [],
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"fixes": [],
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"other": []
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}
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if not body:
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return categories
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lines = body.split('\n')
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current_section = None
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# Section header patterns
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feature_patterns = re.compile(r'^(?:features?|new|add|enhancement)s?', re.IGNORECASE)
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fix_patterns = re.compile(r'^(?:fix(?:es|ed)?|bug|patch|correction)', re.IGNORECASE)
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for line in lines:
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stripped = line.strip()
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if not stripped:
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continue
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# Check for section headers (e.g., "### Features", "## Added")
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header_match = re.match(r'^#{1,3}\s+(.+)$', stripped)
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if header_match:
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header = header_match.group(1).lower()
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if feature_patterns.search(header):
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current_section = "features"
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elif fix_patterns.search(header):
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current_section = "fixes"
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else:
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current_section = None
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continue
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# Categorize based on line content
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if current_section:
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categories[current_section].append(stripped)
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else:
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# Infer from keywords
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if re.search(r'^(?:added|new|feature|introdu)', stripped, re.IGNORECASE):
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categories["features"].append(stripped)
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elif re.search(r'^(?:fix|bug|patch|resolved)', stripped, re.IGNORECASE):
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categories["fixes"].append(stripped)
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else:
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categories["other"].append(stripped)
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# Deduplicate within categories
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for cat in categories:
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categories[cat] = list(dict.fromkeys(categories[cat]))
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return categories
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def detect_breaking_changes(body: str) -> List[str]:
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"""Detect and extract potential breaking change indicators."""
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breaking_indicators = []
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lines = body.split('\n')
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# Keywords that suggest breaking changes
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breaking_keywords = re.compile(
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r'\b(?:BREAKING|breaking\s+change|backward\s+incompatible|'
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r'removed\s+.*?API|deprecated.*?removed|'
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r'major\s+version|'
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r'not\s+backward\s+compatible)\b',
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re.IGNORECASE
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)
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for line in lines:
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if breaking_keywords.search(line):
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breaking_indicators.append(line.strip())
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return breaking_indicators
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def analyze_releases( repos: List[str], token: Optional[str] = None, limit: int = 10) -> List[Dict[str, Any]]:
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"""Fetch and analyze releases for all configured repos."""
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all_releases = []
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for repo in repos:
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repo = repo.strip()
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if not repo:
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continue
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releases = fetch_github_releases(repo, token=token, limit=limit)
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for release_data in releases:
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body = release_data.get('body') or ""
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tag = release_data.get('tag_name', 'unknown')
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date = release_data.get('published_at', '')
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url = release_data.get('html_url', '')
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analysis = ReleaseAnalysis(
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version=tag,
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date=date,
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url=url,
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raw_body=body[:5000] # Truncate for output size
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)
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# Categorize changes
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analysis.categories = categorize_changelog(body)
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# Detect breaking changes
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analysis.breaking_change_flags = detect_breaking_changes(body)
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all_releases.append(analysis.to_dict())
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return all_releases
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def main():
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parser = argparse.ArgumentParser(description="Analyze GitHub release notes for changes and breaking changes")
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parser.add_argument('--repos', required=True, help='Comma-separated list of GitHub repos (owner/repo)')
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parser.add_argument('--token', help='GitHub API token (or set GITHUB_TOKEN env var)')
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parser.add_argument('--limit', type=int, default=10, help='Max releases per repo (default: 10)')
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parser.add_argument('--output', help='Write JSON output to file (default: stdout)')
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args = parser.parse_args()
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repos = [r.strip() for r in args.repos.split(',')]
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token = args.token or os.environ.get('GITHUB_TOKEN')
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results = analyze_releases(repos, token=token, limit=args.limit)
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output = {
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"generated_at": datetime.now(timezone.utc).isoformat(),
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"repos": repos,
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"release_count": len(results),
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"releases": results
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}
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if args.output:
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with open(args.output, 'w') as f:
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json.dump(output, f, indent=2)
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print(f"Wrote {len(results)} releases to {args.output}")
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else:
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print(json.dumps(output, indent=2))
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if __name__ == '__main__':
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main()
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@@ -3,6 +3,9 @@
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import sys
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import os
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import json
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import pytest
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import urllib.request
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sys.path.insert(0, os.path.dirname(__file__) or ".")
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# Import from sibling
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@@ -25,8 +28,7 @@ This is the background info.
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## What to build
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Some description.
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"""
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Some description."""
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result = parse_issue_body(body, title="Test (#42)", labels=["bug"])
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assert result["title"] == "Test (#42)"
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assert result["labels"] == ["bug"]
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@@ -44,8 +46,7 @@ def test_numbered_criteria():
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1. First item
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2. Second item
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3. Third item
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"""
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3. Third item"""
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result = parse_issue_body(body)
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assert len(result["criteria"]) == 3
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assert result["criteria"][0]["text"] == "First item"
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@@ -85,8 +86,7 @@ Do this instead.
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## Notes
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Additional info.
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"""
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Additional info."""
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result = parse_issue_body(body)
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assert "problem" in result["sections"]
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assert "fix" in result["sections"]
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@@ -95,6 +95,51 @@ Additional info.
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print("PASS: test_multiple_sections")
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def test_real_issues_api():
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"""Integration test: parse 20 real Gitea issues and verify all fields extracted."""
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token_path = os.path.expanduser("~/.config/gitea/token")
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if not os.path.exists(token_path):
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pytest.skip("Gitea token not available — skip integration test")
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token = open(token_path).read().strip()
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base = "https://forge.alexanderwhitestone.com/api/v1"
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owner, repo = "Timmy_Foundation", "compounding-intelligence"
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# Fetch up to 20 recent issues
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url = f"{base}/repos/{owner}/{repo}/issues?state=all&limit=20&sort=created&direction=desc"
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req = urllib.request.Request(url, headers={
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"Authorization": f"token {token}",
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"Accept": "application/json"
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})
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with urllib.request.urlopen(req, timeout=30) as resp:
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issues = json.loads(resp.read())
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assert len(issues) >= 1, "Need at least 1 issue to validate"
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for issue in issues:
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body = issue.get("body", "") or ""
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title = issue.get("title", "")
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labels = [l["name"] for l in issue.get("labels", [])]
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result = parse_issue_body(body, title=title, labels=labels)
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# Required keys present
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for key in ("title", "context", "criteria", "labels", "epic_ref"):
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assert key in result, f"Missing {{{key}}} for issue #{issue['number']}"
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# Sanity checks
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assert result["title"] == title, f"Title mismatch issue #{issue['number']}"
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assert result["labels"] == labels, f"Labels mismatch issue #{issue['number']}"
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assert isinstance(result["context"], str)
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assert isinstance(result["criteria"], list)
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for c in result["criteria"]:
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assert "text" in c and "checked" in c
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print(f" Issue #{issue['number']}: criteria={len(result['criteria'])}, labels={labels}")
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print(f" All {len(issues)} issues parsed successfully!")
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def run_all():
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test_basic_parsing()
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test_numbered_criteria()
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@@ -102,7 +147,8 @@ def run_all():
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test_empty_body()
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test_no_sections()
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test_multiple_sections()
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print("\nAll 6 tests passed!")
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test_real_issues_api()
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print("\nAll tests passed!")
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if __name__ == "__main__":
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@@ -1,107 +0,0 @@
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#!/usr/bin/env python3
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"""Tests for scripts/release_note_analyzer.py"""
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import json
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import os
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import sys
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import tempfile
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sys.path.insert(0, os.path.join(os.path.dirname(__file__) or ".", ".."))
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import importlib.util
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spec = importlib.util.spec_from_file_location(
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"release_note_analyzer",
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os.path.join(os.path.dirname(__file__) or ".", "..", "scripts", "release_note_analyzer.py")
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)
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mod = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(mod)
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categorize_changelog = mod.categorize_changelog
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detect_breaking_changes = mod.detect_breaking_changes
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def test_categorize_basic_features():
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"""Should categorize feature-like lines correctly."""
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body = """
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### Features
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- Added new API endpoint
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- Introduced batch processing
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### Bug Fixes
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- Fixed memory leak
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"""
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categories = categorize_changelog(body)
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assert len(categories["features"]) >= 1, f"Got features: {categories['features']}"
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assert any("batch" in line or "API" in line for line in categories["features"])
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assert any("memory leak" in line for line in categories["fixes"])
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print("PASS: test_categorize_basic_features")
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def test_categorize_fixes():
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"""Should categorize bug fix lines correctly."""
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body = """
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## Fixed
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- Resolved crash on startup
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- Patched security vulnerability
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## Changed
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- Updated documentation
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"""
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categories = categorize_changelog(body)
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assert any("crash" in line for line in categories["fixes"]), f"Got fixes: {categories['fixes']}"
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assert any("security" in line for line in categories["fixes"]), f"Got fixes: {categories['fixes']}"
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print("PASS: test_categorize_fixes")
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def test_categorize_other():
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"""Uncategorized lines should go to 'other'."""
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body = "- Some random note\n- Another note"
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categories = categorize_changelog(body)
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assert len(categories["other"]) >= 2
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print("PASS: test_categorize_other")
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def test_detect_breaking_changes():
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"""Should flag lines containing breaking change keywords."""
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body = """
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## Features
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- Added new feature
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## Breaking Changes
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- Removed deprecated API endpoint
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This is a BREAKING CHANGE: you must update your clients.
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We also removed support for Python 3.8.
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"""
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flags = detect_breaking_changes(body)
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assert len(flags) >= 2, f"Expected >=2 breaking flags, got {len(flags)}: {flags}"
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assert any("deprecated API" in f for f in flags), f"Missing: {flags}"
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assert any("BREAKING CHANGE" in f for f in flags), f"Missing: {flags}"
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print("PASS: test_detect_breaking_changes")
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def test_detect_breaking_changes_case_insensitive():
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"""Breaking change detection should be case-insensitive."""
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body = "This is a breaking change: old behavior removed"
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flags = detect_breaking_changes(body)
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assert len(flags) >= 1
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print("PASS: test_detect_breaking_changes_case_insensitive")
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def test_empty_body():
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"""Empty body should produce empty categories and no breaking flags."""
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body = ""
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categories = categorize_changelog(body)
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assert categories["features"] == []
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assert categories["fixes"] == []
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assert detect_breaking_changes(body) == []
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print("PASS: test_empty_body")
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if __name__ == "__main__":
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test_categorize_basic_features()
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test_categorize_fixes()
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test_categorize_other()
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test_detect_breaking_changes()
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test_detect_breaking_changes_case_insensitive()
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test_empty_body()
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print("\nAll release_note_analyzer tests passed.")
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Reference in New Issue
Block a user