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Revert "Remove MessageGraph (#4875)"

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This reverts commit a5e6223569.
This commit is contained in:
Nuno Campos
2025-06-13 14:21:05 -07:00
parent 053b606b46
commit 3fa3a586b5
9 changed files with 2049 additions and 31 deletions
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docs/docs/cloud/deployment/graph_rebuild.md
+5 -5
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@@ -20,7 +20,7 @@ my-app/
|-- openai_agent.py # code for your graph
```
where the graph is defined in `openai_agent.py`.
where the graph is defined in `openai_agent.py`.
### No rebuild
@@ -28,11 +28,11 @@ In the standard LangGraph API configuration, the server uses the compiled graph
```python
from langchain_openai import ChatOpenAI
from langgraph.graph import END, START, StateGraph, MessagesState
from langgraph.graph import END, START, MessageGraph
model = ChatOpenAI(temperature=0)
graph_workflow = StateGraph(MessagesState)
graph_workflow = MessageGraph()
graph_workflow.add_node("agent", model)
graph_workflow.add_edge("agent", END)
@@ -61,7 +61,7 @@ To make your graph rebuild on each new run with custom configuration, you need t
from typing import Annotated
from typing_extensions import TypedDict
from langchain_openai import ChatOpenAI
from langgraph.graph import END, START
from langgraph.graph import END, START, MessageGraph
from langgraph.graph.state import StateGraph
from langgraph.graph.message import add_messages
from langgraph.prebuilt import ToolNode
@@ -144,4 +144,4 @@ Finally, you need to specify the path to your graph-making function (`make_graph
}
```
See more info on LangGraph API configuration file [here](../reference/cli.md#configuration-file)
See more info on LangGraph API configuration file [here](../reference/cli.md#configuration-file)
docs/docs/tutorials/extraction/retries.ipynb
+3 -3
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@@ -89,7 +89,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"id": "baf669a0-04ee-492d-80d8-8fcb658ed128",
"metadata": {},
"outputs": [],
@@ -313,8 +313,8 @@
"\n",
" builder.add_edge(\"finalizer\", END)\n",
"\n",
" # These functions let the step be used in a\n",
" # StateGraph with 'messages' as the key.\n",
" # These functions let the step be used in a MessageGraph\n",
" # or a StateGraph with 'messages' as the key.\n",
" def encode(x: Union[Sequence[AnyMessage], PromptValue]) -> dict:\n",
" \"\"\"Ensure the input is the correct format.\"\"\"\n",
" if isinstance(x, PromptValue):\n",