156 lines
4.4 KiB
Python
156 lines
4.4 KiB
Python
import http.client
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import json
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import os
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import urllib.request
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from pathlib import Path
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from tempfile import NamedTemporaryFile
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from typing import Any
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from twisted.python import log
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class HttpResponse:
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def __init__(self, raw: http.client.HTTPResponse) -> None:
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self.raw = raw
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def json(self) -> Any:
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return json.load(self.raw)
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def headers(self) -> http.client.HTTPMessage:
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return self.raw.headers
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def http_request(
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url: str,
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method: str = "GET",
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headers: dict[str, str] = {},
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data: dict[str, Any] | None = None,
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) -> HttpResponse:
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body = None
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if data:
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body = json.dumps(data).encode("ascii")
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headers = headers.copy()
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headers["User-Agent"] = "buildbot-nix"
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req = urllib.request.Request(url, headers=headers, method=method, data=body)
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try:
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resp = urllib.request.urlopen(req)
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except urllib.request.HTTPError as e:
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resp_body = ""
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try:
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resp_body = e.fp.read().decode("utf-8", "replace")
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except Exception:
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pass
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raise Exception(
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f"Request for {method} {url} failed with {e.code} {e.reason}: {resp_body}"
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) from e
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return HttpResponse(resp)
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def paginated_github_request(url: str, token: str) -> list[dict[str, Any]]:
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next_url: str | None = url
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items = []
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while next_url:
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try:
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res = http_request(
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next_url,
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headers={"Authorization": f"Bearer {token}"},
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)
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except OSError as e:
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raise Exception(f"failed to fetch {next_url}: {e}") from e
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next_url = None
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link = res.headers()["Link"]
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if link is not None:
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links = link.split(", ")
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for link in links: # pagination
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link_parts = link.split(";")
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if link_parts[1].strip() == 'rel="next"':
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next_url = link_parts[0][1:-1]
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items += res.json()
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return items
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class GithubProject:
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def __init__(self, data: dict[str, Any]) -> None:
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self.data = data
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@property
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def repo(self) -> str:
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return self.data["name"]
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@property
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def owner(self) -> str:
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return self.data["owner"]["login"]
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@property
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def name(self) -> str:
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return self.data["full_name"]
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@property
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def url(self) -> str:
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return self.data["html_url"]
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@property
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def id(self) -> str:
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n = self.data["full_name"]
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return n.replace("/", "-")
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@property
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def default_branch(self) -> str:
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return self.data["default_branch"]
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@property
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def topics(self) -> list[str]:
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return self.data["topics"]
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def create_project_hook(
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owner: str, repo: str, token: str, webhook_url: str, webhook_secret: str
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) -> None:
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hooks = paginated_github_request(
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f"https://api.github.com/repos/{owner}/{repo}/hooks?per_page=100", token
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)
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config = dict(
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url=webhook_url, content_type="json", insecure_ssl="0", secret=webhook_secret
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)
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data = dict(name="web", active=True, events=["push", "pull_request"], config=config)
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headers = {
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"Authorization": f"Bearer {token}",
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"Accept": "application/vnd.github+json",
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"Content-Type": "application/json",
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"X-GitHub-Api-Version": "2022-11-28",
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}
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for hook in hooks:
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if hook["config"]["url"] == webhook_url:
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log.msg(f"hook for {owner}/{repo} already exists")
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return
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http_request(
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f"https://api.github.com/repos/{owner}/{repo}/hooks",
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method="POST",
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headers=headers,
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data=data,
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)
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def refresh_projects(github_token: str, repo_cache_file: Path) -> None:
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repos = paginated_github_request(
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"https://api.github.com/user/repos?per_page=100",
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github_token,
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)
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with NamedTemporaryFile("w", delete=False, dir=repo_cache_file.parent) as f:
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try:
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f.write(json.dumps(repos))
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f.flush()
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os.rename(f.name, repo_cache_file)
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except OSError:
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os.unlink(f.name)
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raise
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def load_projects(github_token: str, repo_cache_file: Path) -> list[GithubProject]:
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if not repo_cache_file.exists():
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log.msg("fetching github repositories")
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refresh_projects(github_token, repo_cache_file)
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repos: list[dict[str, Any]] = json.loads(repo_cache_file.read_text())
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return [GithubProject(repo) for repo in repos]
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