Add Gitea CI and release pipeline

scripts/gitea_release.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+import argparse
+import json
+import mimetypes
+import pathlib
+import sys
+import urllib.error
+import urllib.parse
+import urllib.request
+
+
+def request_json(method: str, url: str, token: str, payload: dict | None = None) -> dict:
+    data = None
+    headers = {"Authorization": f"token {token}", "Accept": "application/json"}
+    if payload is not None:
+        data = json.dumps(payload).encode()
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req) as resp:
+        return json.loads(resp.read().decode())
+
+
+def request_no_content(method: str, url: str, token: str) -> None:
+    req = urllib.request.Request(
+        url,
+        headers={"Authorization": f"token {token}", "Accept": "application/json"},
+        method=method,
+    )
+    with urllib.request.urlopen(req):
+        return
+
+
+def get_or_create_release(server: str, repo: str, token: str, tag: str) -> dict:
+    base = f"{server.rstrip('/')}/api/v1/repos/{repo}"
+    tag_url = f"{base}/releases/tags/{urllib.parse.quote(tag, safe='')}"
+    try:
+        return request_json("GET", tag_url, token)
+    except urllib.error.HTTPError as err:
+        if err.code != 404:
+            raise
+    payload = {
+        "tag_name": tag,
+        "name": tag,
+        "draft": False,
+        "prerelease": False,
+    }
+    return request_json("POST", f"{base}/releases", token, payload)
+
+
+def upload_asset(server: str, repo: str, token: str, release: dict, path: pathlib.Path) -> None:
+    base = f"{server.rstrip('/')}/api/v1/repos/{repo}"
+    assets = release.get("assets", [])
+    for asset in assets:
+        if asset.get("name") == path.name:
+            request_no_content("DELETE", f"{base}/releases/{release['id']}/assets/{asset['id']}", token)
+    query = urllib.parse.urlencode({"name": path.name})
+    url = f"{base}/releases/{release['id']}/assets?{query}"
+    content_type = mimetypes.guess_type(path.name)[0] or "application/octet-stream"
+    req = urllib.request.Request(
+        url,
+        data=path.read_bytes(),
+        headers={
+            "Authorization": f"token {token}",
+            "Accept": "application/json",
+            "Content-Type": content_type,
+        },
+        method="POST",
+    )
+    with urllib.request.urlopen(req):
+        return
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--server", required=True)
+    parser.add_argument("--repo", required=True)
+    parser.add_argument("--token", required=True)
+    parser.add_argument("--tag", required=True)
+    parser.add_argument("artifacts", nargs="+")
+    args = parser.parse_args()
+
+    paths = [pathlib.Path(p) for p in args.artifacts]
+    missing = [str(p) for p in paths if not p.is_file()]
+    if missing:
+        print(f"missing artifacts: {', '.join(missing)}", file=sys.stderr)
+        return 1
+
+    release = get_or_create_release(args.server, args.repo, args.token, args.tag)
+    for path in paths:
+        upload_asset(args.server, args.repo, args.token, release, path)
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())