feat(fal): print routes for ephemeral runs (#586)

* feat(hacky): sdk route printer

* use service_urls

* ignore old messages

* fix

---------

Co-authored-by: Ruslan Kuprieiev <kupruser@gmail.com>

Author: badayvedat

projects/fal/src/fal/api.py

@@ -600,7 +600,27 @@ def run(
         kwargs: dict[str, Any],
     ) -> ReturnT:
         def result_handler(partial_result):
+            from fal.console import console
+
+            if service_urls := partial_result.service_urls:
+                console.print("Playground:")
+                endpoints = getattr(func, "_routes", ["/"])  # type: ignore[attr-defined]
+                for endpoint in endpoints:
+                    console.print(f"\t{service_urls.playground}{endpoint}")
+                console.print("Synchronous Endpoints:")
+                for endpoint in endpoints:
+                    console.print(f"\t{service_urls.run}{endpoint}")
+                console.print("Asynchronous Endpoints (Recommended):")
+                for endpoint in endpoints:
+                    console.print(f"\t{service_urls.queue}{endpoint}")
+
             for log in partial_result.logs:
+                if (
+                    "Access the playground at" in log.message
+                    or "And API access through" in log.message
+                ):
+                    # Obsolete messages from before service_urls were added.
+                    continue
                 self._log_printer.print(log)
 
         return self._run(func, options, args, kwargs, result_handler=result_handler)

projects/fal/src/fal/app.py

@@ -110,6 +110,7 @@ def initialize_and_serve():
     metadata["openapi"] = app.openapi()
 
     routes = app.collect_routes()
+    initialize_and_serve._routes = [r.path for r in routes.keys()] or ["/"]  # type: ignore[attr-defined]
     realtime_app = any(route.is_websocket for route in routes)
 
     kind = cls.host_kwargs.pop("kind", "virtualenv")