Preparation for 0.5 release (#5121)

libs/langgraph/langgraph/func/__init__.py

@@ -38,7 +38,7 @@ from langgraph.pregel.read import PregelNode
 from langgraph.pregel.write import ChannelWrite, ChannelWriteEntry
 from langgraph.store.base import BaseStore
 from langgraph.types import _DC_KWARGS, CachePolicy, RetryPolicy, StreamMode
-from langgraph.warnings import LangGraphDeprecatedSinceV10
+from langgraph.warnings import LangGraphDeprecatedSinceV05
 
 
 class TaskFunction(Generic[P, T]):
@@ -179,7 +179,7 @@ def task(
     if (retry := kwargs.get("retry", UNSET)) is not UNSET:
         warnings.warn(
             "`retry` is deprecated and will be removed. Please use `retry_policy` instead.",
-            category=LangGraphDeprecatedSinceV10,
+            category=LangGraphDeprecatedSinceV05,
         )
         if retry_policy is None:
             retry_policy = retry  # type: ignore[assignment]
@@ -383,7 +383,7 @@ class entrypoint:
         if (retry := kwargs.get("retry", UNSET)) is not UNSET:
             warnings.warn(
                 "`retry` is deprecated and will be removed. Please use `retry_policy` instead.",
-                category=LangGraphDeprecatedSinceV10,
+                category=LangGraphDeprecatedSinceV05,
             )
             if retry_policy is None:
                 retry_policy = retry  # type: ignore[assignment]

libs/langgraph/langgraph/graph/state.py

@@ -86,7 +86,7 @@ from langgraph.utils.fields import (
 )
 from langgraph.utils.pydantic import create_model
 from langgraph.utils.runnable import coerce_to_runnable
-from langgraph.warnings import LangGraphDeprecatedSinceV10
+from langgraph.warnings import LangGraphDeprecatedSinceV05
 
 logger = logging.getLogger(__name__)
 
@@ -160,6 +160,7 @@ StateNode: TypeAlias = Union[
     _NodeWithConfigWriter[StateT_contra],
     _NodeWithConfigStore[StateT_contra],
     _NodeWithConfigWriterStore[StateT_contra],
+    Runnable[StateT_contra, Any],
 ]
 
 
@@ -261,7 +262,7 @@ class StateGraph(Generic[StateT, InputT, OutputT]):
         if (input_ := kwargs.get("input", UNSET)) is not UNSET:
             warnings.warn(
                 "`input` is deprecated and will be removed. Please use `input_schema` instead.",
-                category=LangGraphDeprecatedSinceV10,
+                category=LangGraphDeprecatedSinceV05,
                 stacklevel=2,
             )
             if input_schema is None:
@@ -270,7 +271,7 @@ class StateGraph(Generic[StateT, InputT, OutputT]):
         if (output := kwargs.get("output", UNSET)) is not UNSET:
             warnings.warn(
                 "`output` is deprecated and will be removed. Please use `output_schema` instead.",
-                category=LangGraphDeprecatedSinceV10,
+                category=LangGraphDeprecatedSinceV05,
                 stacklevel=2,
             )
             if output_schema is None:
@@ -436,7 +437,7 @@ class StateGraph(Generic[StateT, InputT, OutputT]):
         if (retry := kwargs.get("retry", UNSET)) is not UNSET:
             warnings.warn(
                 "`retry` is deprecated and will be removed. Please use `retry_policy` instead.",
-                category=LangGraphDeprecatedSinceV10,
+                category=LangGraphDeprecatedSinceV05,
             )
             if retry_policy is None:
                 retry_policy = retry  # type: ignore[assignment]
@@ -444,7 +445,7 @@ class StateGraph(Generic[StateT, InputT, OutputT]):
         if (input_ := kwargs.get("input", UNSET)) is not UNSET:
             warnings.warn(
                 "`input` is deprecated and will be removed. Please use `input_schema` instead.",
-                category=LangGraphDeprecatedSinceV10,
+                category=LangGraphDeprecatedSinceV05,
             )
             if input_schema is None:
                 input_schema = cast(Union[type[InputT], None], input_)
@@ -535,7 +536,7 @@ class StateGraph(Generic[StateT, InputT, OutputT]):
         if input_schema is not None:
             self._add_schema(input_schema)
         self.nodes[node] = StateNodeSpec(
-            coerce_to_runnable(action, name=node, trace=False),  # type: ignore
+            coerce_to_runnable(action, name=node, trace=False),
             metadata,
             input=input_schema or self.state_schema,
             retry_policy=retry_policy,

libs/langgraph/langgraph/warnings.py

@@ -41,8 +41,8 @@ class LangGraphDeprecationWarning(DeprecationWarning):
         return message
 
 
-class LangGraphDeprecatedSinceV10(LangGraphDeprecationWarning):
-    """A specific `LangGraphDeprecationWarning` subclass defining functionality deprecated since LangGraph v1.0.0"""
+class LangGraphDeprecatedSinceV05(LangGraphDeprecationWarning):
+    """A specific `LangGraphDeprecationWarning` subclass defining functionality deprecated since LangGraph v0.5.0"""
 
     def __init__(self, message: str, *args: object) -> None:
-        super().__init__(message, *args, since=(1, 0), expected_removal=(2, 0))
+        super().__init__(message, *args, since=(0, 5), expected_removal=(2, 0))

libs/langgraph/tests/test_deprecation.py

@@ -4,7 +4,7 @@ from typing_extensions import TypedDict
 from langgraph.func import entrypoint, task
 from langgraph.graph import StateGraph
 from langgraph.types import RetryPolicy
-from langgraph.warnings import LangGraphDeprecatedSinceV10
+from langgraph.warnings import LangGraphDeprecatedSinceV05
 
 
 class PlainState(TypedDict): ...
@@ -14,7 +14,7 @@ def test_add_node_retry_arg() -> None:
     builder = StateGraph(PlainState)
 
     with pytest.warns(
-        LangGraphDeprecatedSinceV10,
+        LangGraphDeprecatedSinceV05,
         match="`retry` is deprecated and will be removed. Please use `retry_policy` instead.",
     ):
         builder.add_node("test_node", lambda state: state, retry=RetryPolicy())  # type: ignore[arg-type]
@@ -22,7 +22,7 @@ def test_add_node_retry_arg() -> None:
 
 def test_task_retry_arg() -> None:
     with pytest.warns(
-        LangGraphDeprecatedSinceV10,
+        LangGraphDeprecatedSinceV05,
         match="`retry` is deprecated and will be removed. Please use `retry_policy` instead.",
     ):
 
@@ -33,7 +33,7 @@ def test_task_retry_arg() -> None:
 
 def test_entrypoint_retry_arg() -> None:
     with pytest.warns(
-        LangGraphDeprecatedSinceV10,
+        LangGraphDeprecatedSinceV05,
         match="`retry` is deprecated and will be removed. Please use `retry_policy` instead.",
     ):
 
@@ -44,7 +44,7 @@ def test_entrypoint_retry_arg() -> None:
 
 def test_state_graph_input_schema() -> None:
     with pytest.warns(
-        LangGraphDeprecatedSinceV10,
+        LangGraphDeprecatedSinceV05,
         match="`input` is deprecated and will be removed. Please use `input_schema` instead.",
     ):
         StateGraph(PlainState, input=PlainState)  # type: ignore[arg-type]
@@ -52,7 +52,7 @@ def test_state_graph_input_schema() -> None:
 
 def test_state_graph_output_schema() -> None:
     with pytest.warns(
-        LangGraphDeprecatedSinceV10,
+        LangGraphDeprecatedSinceV05,
         match="`output` is deprecated and will be removed. Please use `output_schema` instead.",
     ):
         StateGraph(PlainState, output=PlainState)  # type: ignore[arg-type]
@@ -62,7 +62,7 @@ def test_add_node_input_schema() -> None:
     builder = StateGraph(PlainState)
 
     with pytest.warns(
-        LangGraphDeprecatedSinceV10,
+        LangGraphDeprecatedSinceV05,
         match="`input` is deprecated and will be removed. Please use `input_schema` instead.",
     ):
         builder.add_node("test_node", lambda state: state, input=PlainState)  # type: ignore[arg-type]