Fix rfi from string in same node (#139)

* Fix rfi from string in same node

* Remove unused script

Author: Tomperez98

src/resonate/record.py

@@ -21,6 +21,24 @@
 T = TypeVar("T")
 
 
+def _set_retry_policy(invocation: LFI | RFI) -> retry_policy.RetryPolicy | None:
+    if not isinstance(invocation.unit, Invocation):
+        retry_policy = None
+    elif isinstance(invocation.unit.fn, str):
+        retry_policy = invocation.opts.retry_policy or None
+    elif isgeneratorfunction(invocation.unit.fn):
+        retry_policy = invocation.opts.retry_policy or never()
+    else:
+        assert iscoroutinefunction(invocation.unit.fn) or isfunction(invocation.unit.fn)
+        retry_policy = invocation.opts.retry_policy or exponential(
+            base_delay=1,
+            factor=2,
+            max_retries=-1,
+            max_delay=30,
+        )
+    return retry_policy
+
+
 @final
 class Record(Generic[T]):
     def __init__(
@@ -38,24 +56,7 @@ def __init__(
         self._result: Result[T, Exception] | None = None
         self.children: list[Record[Any]] = []
         self.invocation: LFI | RFI = invocation
-        self.retry_policy: retry_policy.RetryPolicy | None
-        if not isinstance(invocation.unit, Invocation):
-            self.retry_policy = None
-        elif isinstance(invocation.unit.fn, str):
-            self.retry_policy = invocation.opts.retry_policy or None
-        elif isgeneratorfunction(invocation.unit.fn):
-            self.retry_policy = invocation.opts.retry_policy or never()
-        else:
-            assert iscoroutinefunction(invocation.unit.fn) or isfunction(
-                invocation.unit.fn
-            )
-            self.retry_policy = invocation.opts.retry_policy or exponential(
-                base_delay=1,
-                factor=2,
-                max_retries=-1,
-                max_delay=30,
-            )
-
+        self.retry_policy = _set_retry_policy(invocation=invocation)
         self._attempt: int = 1
         self.durable_promise: DurablePromiseRecord | None = None
         self._task: TaskRecord | None = None
@@ -70,6 +71,10 @@ def __init__(
             self.parent.id if self.parent else None,
         )
 
+    def overwrite_invocation(self, invocation: RFI) -> None:
+        self.invocation = invocation
+        self.retry_policy = _set_retry_policy(invocation)
+
     def get_coro(self) -> ResonateCoro[T]:
         assert self._coro
         return self._coro

src/resonate/scheduler/scheduler.py

@@ -422,7 +422,7 @@ def _process_invoke_msg(
             assert record.is_root
             assert isinstance(record.invocation, RFI)
             assert record.durable_promise is not None
-            record.invocation = rfi
+            record.overwrite_invocation(rfi)
         else:
             record = Record[Any](
                 id=invoke_msg.root_durable_promise.id,

tests/test_functionality.py

@@ -246,7 +246,7 @@ def test_golden_device_rfi() -> None:
     group = "test-golden-device-rfi"
 
     def foo_golden_device_rfi(ctx: Context, n: str) -> Generator[Yieldable, Any, str]:
-        p: Promise[str] = yield ctx.rfi(bar_golden_device_rfi, n).options(
+        p: Promise[str] = yield ctx.rfi("bar_golden_device_rfi", n).options(
             id="bar", send_to=poll(group)
         )
         assert isinstance(p, Promise)
@@ -281,7 +281,7 @@ def exec_id(n: int) -> str:
     def factorial_rfi(ctx: Context, n: int) -> Generator[Yieldable, Any, int]:
         if n == 0:
             return 1
-        p = yield ctx.rfi(factorial_rfi, n - 1).options(
+        p = yield ctx.rfi("factorial_rfi", n - 1).options(
             id=exec_id(n - 1), send_to=poll(group)
         )
         return n * (yield p)