integrate webserver into cli

pkgs/clan-cli/clan_cli/webui/__init__.py

@@ -0,0 +1,39 @@
+import argparse
+from typing import Callable, NoReturn, Optional
+
+start_server: Optional[Callable] = None
+ServerImportError: Optional[ImportError] = None
+try:
+    from .server import start_server
+except ImportError as e:
+    ServerImportError = e
+
+
+def fastapi_is_not_installed(_: argparse.Namespace) -> NoReturn:
+    assert ServerImportError is not None
+    print(
+        f"Dependencies for the webserver is not installed. The webui command has been disabled ({ServerImportError})"
+    )
+    exit(1)
+
+
+def register_parser(parser: argparse.ArgumentParser) -> None:
+    parser.add_argument("--port", type=int, default=2979, help="Port to listen on")
+    parser.add_argument("--host", type=str, default="::1", help="Host to listen on")
+    parser.add_argument(
+        "--no-open", action="store_true", help="Don't open the browser", default=False
+    )
+    parser.add_argument(
+        "--reload", action="store_true", help="Don't reload on changes", default=False
+    )
+    parser.add_argument(
+        "--log-level",
+        type=str,
+        default="info",
+        help="Log level",
+        choices=["critical", "error", "warning", "info", "debug", "trace"],
+    )
+    if start_server is None:
+        parser.set_defaults(func=fastapi_is_not_installed)
+    else:
+        parser.set_defaults(func=start_server)