WIP: Improve support for proxy objects

* Do not require (and subsequently ignore) an api Protocol type.
* Make the dir function list the actually available members.

Author: ctrueden

src/appose/service.py

@@ -262,10 +262,10 @@ def call(self, function: str, *args: Any) -> Any:
         task = self.task(script, inputs).wait_for()
         return task.outputs.get("result")
 
-    def proxy(self, var: str, api: type, queue: str | None = None) -> Any:
+    def proxy(self, var: str, queue: str | None = None) -> Any:
         """
-        Create a proxy object providing strongly typed access to a remote
-        object in this service's worker process.
+        Create a proxy object providing access to a remote object in this
+        service's worker process.
 
         Method calls on the proxy are transparently forwarded to the remote
         object via Tasks.
@@ -277,7 +277,6 @@ def proxy(self, var: str, api: type, queue: str | None = None) -> Any:
         Args:
             var: The name of the exported variable in the worker process
                  referencing the remote object.
-            api: The interface/protocol class that the proxy should implement.
             queue: Optional queue identifier for task execution. Pass "main" to
                    ensure execution on the worker's main thread.
 

tests/test_syntax.py

@@ -119,14 +119,6 @@ def test_call_nonexistent_function():
         assert "failed" in str(exc_info.value).lower()
 
 
-class Creature(Protocol):
-    """Test protocol for proxy testing."""
-
-    def walk(self, speed: int) -> str: ...
-    def fly(self, speed: int, height: int) -> bool: ...
-    def dive(self, depth: float) -> str: ...
-
-
 def test_proxy():
     """Test Service.proxy functionality."""
     env = appose.system()
@@ -163,7 +155,7 @@ def walk(self, rate):
         assert_complete(setup)
 
         # Validate bird behavior
-        bird = service.proxy("bird", Creature)
+        bird = service.proxy("bird")
         assert bird.walk(1) == "Hopped at rate: 1"
         assert bird.walk(2) == "Too fast for birds!"
         assert bird.fly(5, 100) is True
@@ -173,7 +165,7 @@ def walk(self, rate):
         assert bird.dive(3) == "Too deep for birds!"
 
         # Validate fish behavior
-        fish = service.proxy("fish", Creature)
+        fish = service.proxy("fish")
         assert fish.walk(1) == "Nope! Only the Darwin fish can do that."
         assert fish.fly(2, 4) is True
         assert fish.fly(2, 10) is False