Add swagger-drogon generator

scripts/swagger-drogon/swagger_drogon/cli.py

@@ -0,0 +1,41 @@
+from __future__ import annotations
+
+import argparse
+import json
+from pathlib import Path
+
+from .contract import load_contract
+from .generator import generate
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser(prog="swagger-drogon")
+    subparsers = parser.add_subparsers(dest="command")
+
+    generate_parser = subparsers.add_parser("generate")
+    generate_parser.add_argument("--controllers", type=Path, required=True)
+    generate_parser.add_argument("--sources", type=Path, nargs="*", default=[])
+    generate_parser.add_argument("--contract", type=Path)
+    generate_parser.add_argument("--out", type=Path, required=True)
+    generate_parser.add_argument("--title", default="Drogon API")
+    generate_parser.add_argument("--version", default="0.1.0")
+    generate_parser.add_argument("--server", default="http://localhost:5555")
+
+    args = parser.parse_args()
+    if args.command != "generate":
+        parser.error("expected command: generate")
+
+    contract = load_contract(args.contract) if args.contract else {}
+    spec = generate(
+        controllers_dir=args.controllers,
+        source_dirs=args.sources,
+        contract=contract,
+        title=args.title,
+        version=args.version,
+        server=args.server,
+    )
+    args.out.parent.mkdir(parents=True, exist_ok=True)
+    args.out.write_text(
+        json.dumps(spec, indent=2, sort_keys=True) + "\n",
+        encoding="utf-8",
+    )