PR Reviewer

import os import requests import traceback from dotenv import load_dotenv # Load environment variables load_dotenv() GITHUB_TOKEN = os.getenv('GITHUB_TOKEN') def fetch_pr_changes(repo_owner: str, repo_name: str, pr_number: int) -> list: """Fetch changes from a GitHub pull request. Args: repo_owner: The owner of the GitHub repository repo_name: The name of the GitHub repository pr_number: The number of the pull request to analyze Returns: A list of file changes with detailed information about each change """ print(f" Fetching PR changes for {repo_owner}/{repo_name}#{pr_number}") # Fetch PR details pr_url = f"https://api.github.com/repos/{repo_owner}/{repo_name}/pulls/{pr_number}" files_url = f"{pr_url}/files" headers = {'Authorization': f'token {GITHUB_TOKEN}'} try: # Get PR metadata pr_response = requests.get(pr_url, headers=headers) pr_response.raise_for_status() pr_data = pr_response.json() # Get file changes files_response = requests.get(files_url, headers=headers) files_response.raise_for_status() files_data = files_response.json() # Combine PR metadata with file changes changes = [] for file in files_data: change = { 'filename': file['filename'], 'status': file['status'], # added, modified, removed 'additions': file['additions'], 'deletions': file['deletions'], 'changes': file['changes'], 'patch': file.get('patch', ''), # The actual diff 'raw_url': file.get('raw_url', ''), 'contents_url': file.get('contents_url', '') } changes.append(change) # Add PR metadata pr_info = { 'title': pr_data['title'], 'description': pr_data['body'], 'author': pr_data['user']['login'], 'created_at': pr_data['created_at'], 'updated_at': pr_data['updated_at'], 'state': pr_data['state'], 'total_changes': len(changes), 'changes': changes } print(f"Successfully fetched {len(changes)} changes") return pr_info except Exception as e: print(f"Error fetching PR changes: {str(e)}") traceback.print_exc() return None # Example usage for debugging # pr_data = fetch_pr_changes('owner', 'repo', 1) # print(pr_data)