chore: import upstream snapshot with attribution

python/ray/serve/gradio_integrations.py

@@ -0,0 +1,32 @@
+import logging
+from typing import Callable
+
+from ray import serve
+from ray.serve._private.constants import SERVE_LOGGER_NAME
+from ray.serve._private.http_util import ASGIAppReplicaWrapper
+from ray.util.annotations import PublicAPI
+
+try:
+    from gradio import Blocks, routes
+except ModuleNotFoundError:
+    print("Gradio isn't installed. Run `pip install gradio` to install Gradio.")
+    raise
+
+logger = logging.getLogger(SERVE_LOGGER_NAME)
+
+
+@PublicAPI(stability="alpha")
+class GradioIngress(ASGIAppReplicaWrapper):
+    """User-facing class that wraps a Gradio App in a Serve Deployment."""
+
+    def __init__(self, builder: Callable[[], Blocks]):
+        """Builds and wraps an ASGI app from the provided builder.
+
+        The builder should take no arguments and return a Gradio App (of type Interface
+        or Blocks).
+        """
+        io: Blocks = builder()
+        super().__init__(routes.App.create_app(io))
+
+
+GradioServer = serve.deployment(GradioIngress)