import http.client import json import urllib.request from pathlib import Path from typing import Any from twisted.python import log class HttpResponse: def __init__(self, raw: http.client.HTTPResponse) -> None: self.raw = raw def json(self) -> Any: return json.load(self.raw) def headers(self) -> http.client.HTTPMessage: return self.raw.headers def http_request( url: str, method: str = "GET", headers: dict[str, str] = {}, data: dict[str, Any] | None = None, ) -> HttpResponse: body = None if data: body = json.dumps(data).encode("ascii") headers = headers.copy() headers["User-Agent"] = "buildbot-nix" req = urllib.request.Request(url, headers=headers, method=method, data=body) try: resp = urllib.request.urlopen(req) except urllib.request.HTTPError as e: body = "" try: body = e.fp.read() except Exception: pass raise Exception( f"Request for {method} {url} failed with {e.code} {e.reason}: {body}" ) from e return HttpResponse(resp) def paginated_github_request(url: str, token: str) -> list[dict[str, Any]]: next_url: str | None = url items = [] while next_url: try: res = http_request( next_url, headers={"Authorization": f"Bearer {token}"}, ) except OSError as e: raise Exception(f"failed to fetch {next_url}: {e}") from e next_url = None link = res.headers()["Link"] if link is not None: links = link.split(", ") for link in links: # pagination link_parts = link.split(";") if link_parts[1].strip() == 'rel="next"': next_url = link_parts[0][1:-1] items += res.json() return items class GithubProject: def __init__(self, data: dict[str, Any]) -> None: self.data = data @property def repo(self) -> str: return self.data["name"] @property def owner(self) -> str: return self.data["owner"]["login"] @property def name(self) -> str: return self.data["full_name"] @property def url(self) -> str: return self.data["html_url"] @property def id(self) -> str: n = self.data["full_name"] return n.replace("/", "-") @property def default_branch(self) -> str: return self.data["default_branch"] @property def topics(self) -> list[str]: return self.data["topics"] def create_project_hook(owner: str, repo: str, token: str, webhook_url: str, webhook_secret) -> None: hooks = paginated_github_request( f"https://api.github.com/repos/{owner}/{repo}/hooks?per_page=100", token ) config = dict(url=webhook_url, content_type="json", insecure_ssl="0", secret=webhook_secret) data = dict(name="web", active=True, events=["push", "pull_request"], config=config) headers = { "Authorization": f"Bearer {token}", "Accept": "application/vnd.github+json", "Content-Type": "application/json", "X-GitHub-Api-Version": "2022-11-28", } for hook in hooks: if hook["config"]["url"] == webhook_url: log.msg(f"hook for {owner}/{repo} already exists") return http_request( f"https://api.github.com/repos/{owner}/{repo}/hooks", method="POST", headers=headers, data=data, ) def load_projects(github_token: str, repo_cache_file: Path) -> list[GithubProject]: if repo_cache_file.exists(): log.msg("fetching github repositories from cache") repos: list[dict[str, Any]] = json.loads(repo_cache_file.read_text()) else: log.msg("fetching github repositories from api") repos = paginated_github_request( "https://api.github.com/user/repos?per_page=100", github_token, ) repo_cache_file.write_text(json.dumps(repos, indent=2)) return [GithubProject(repo) for repo in repos]