| 291 | |
| 292 | |
| 293 | class WebSocketRoute(BaseRoute): |
| 294 | def __init__( |
| 295 | self, |
| 296 | path: str, |
| 297 | endpoint: Callable[..., Any], |
| 298 | *, |
| 299 | name: str | None = None, |
| 300 | middleware: Sequence[Middleware] | None = None, |
| 301 | ) -> None: |
| 302 | assert path.startswith("/"), "Routed paths must start with '/'" |
| 303 | self.path = path |
| 304 | self.endpoint = endpoint |
| 305 | self.name = get_name(endpoint) if name is None else name |
| 306 | |
| 307 | endpoint_handler = endpoint |
| 308 | while isinstance(endpoint_handler, functools.partial): |
| 309 | endpoint_handler = endpoint_handler.func |
| 310 | if inspect.isfunction(endpoint_handler) or inspect.ismethod(endpoint_handler): |
| 311 | # Endpoint is function or method. Treat it as `func(websocket)`. |
| 312 | self.app = websocket_session(endpoint) |
| 313 | else: |
| 314 | # Endpoint is a class. Treat it as ASGI. |
| 315 | self.app = endpoint |
| 316 | |
| 317 | if middleware is not None: |
| 318 | for cls, args, kwargs in reversed(middleware): |
| 319 | self.app = cls(self.app, *args, **kwargs) |
| 320 | |
| 321 | self.path_regex, self.path_format, self.param_convertors = compile_path(path) |
| 322 | |
| 323 | def matches(self, scope: Scope) -> tuple[Match, Scope]: |
| 324 | path_params: dict[str, Any] |
| 325 | if scope["type"] == "websocket": |
| 326 | route_path = get_route_path(scope) |
| 327 | match = self.path_regex.match(route_path) |
| 328 | if match: |
| 329 | matched_params = match.groupdict() |
| 330 | for key, value in matched_params.items(): |
| 331 | matched_params[key] = self.param_convertors[key].convert(value) |
| 332 | path_params = dict(scope.get("path_params", {})) |
| 333 | path_params.update(matched_params) |
| 334 | child_scope = {"endpoint": self.endpoint, "path_params": path_params} |
| 335 | return Match.FULL, child_scope |
| 336 | return Match.NONE, {} |
| 337 | |
| 338 | def url_path_for(self, name: str, /, **path_params: Any) -> URLPath: |
| 339 | seen_params = set(path_params.keys()) |
| 340 | expected_params = set(self.param_convertors.keys()) |
| 341 | |
| 342 | if name != self.name or seen_params != expected_params: |
| 343 | raise NoMatchFound(name, path_params) |
| 344 | |
| 345 | path, remaining_params = replace_params(self.path_format, self.param_convertors, path_params) |
| 346 | assert not remaining_params |
| 347 | return URLPath(path=path, protocol="websocket") |
| 348 | |
| 349 | async def handle(self, scope: Scope, receive: Receive, send: Send) -> None: |
| 350 | await self.app(scope, receive, send) |
no outgoing calls