add main.py
This commit is contained in:
@@ -1,152 +1,78 @@
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import os
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import os
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from langchain_openai import ChatOpenAI
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from langchain_openai import ChatOpenAI
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from langchain_core.messages import HumanMessage
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from langchain.tools import tool
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from langchain.tools import tool
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from langgraph.checkpoint.memory import MemorySaver
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from langgraph.checkpoint.memory import MemorySaver
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from langgraph.checkpoint.memory import MemorySaver
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from langgraph import create_agent
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from langgraph.checkpoint.memory import MemorySaver
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from langchain_core.messages import HumanMessage
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from langgraph.checkpointer import Checkpointer
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from rich.console import Console
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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# LLM setup
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from langgraph.checkpointer import Checkpointer
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llm = ChatOpenAI(
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from langgraph.checkpointer import Checkpointer
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model="openai/gpt-oss-20b:free",
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from langgraph.checkpointer import Checkpointer
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base_url="https://openrouter.ai/api/v1",
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from langgraph.checkpointer import Checkpointer
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api_key=os.getenv("OPENAI_API_KEY"),
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from langgraph.checkpointer import Checkpointer
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temperature=0.0,
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from langgraph.checkpointer import Checkpointer
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)
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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# Console for rich output
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from langgraph.checkpointer import Checkpointer
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console = Console()
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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# Dummy tool example: get_price (weather placeholder)
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from langgraph.checkpointer import Checkpointer
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@tool
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from langgraph.checkpointer import Checkpointer
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def get_price(*, city: str, date: str) -> str:
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from langgraph.checkpointer import Checkpointer
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"""Return a mock weather price for a city and date."""
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from langgraph.checkpointer import Checkpointer
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return f"Weather in {city} on {date}: sunny 25°C"
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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# Memory and agent setup
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from langgraph.checkpointer import Checkpointer
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memory = MemorySaver()
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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agent = create_agent(
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from langgraph.checkpointer import Checkpointer
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llm=llm,
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from langgraph.checkpointer import Checkpointer
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tools=[get_price],
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from langgraph.checkpointer import Checkpointer
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system_prompt="You are a helpful assistant that can call tools.",
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from langgraph.checkpointer import Checkpointer
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checkpointer=memory,
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from langgraph.checkpointer import Checkpointer
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interrupt_before=["tools"],
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from langgraph.checkpointer import Checkpointer
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)
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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# Configuration for a single conversation thread
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from langgraph.checkpointer import Checkpointer
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config = {"configurable": {"thread_id": "conversation-1"}}
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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# Helper to display tool calls nicely
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from langgraph.checkpointer import Checkpointer
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def display_tool_call(tool_call):
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from langgraph.checkpointer import Checkpointer
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name = tool_call["name"]
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from langgraph.checkpointer import Checkpointer
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args = tool_call["args"]
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from langgraph.checkpointer import Checkpointer
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console.print(f"\n{name}({args})")
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from langgraph.checkpointer import Checkpointer
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console.print("Агент хочет вызвать утилиту", f"{name}({args})")
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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# Main interaction loop
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from langgraph.checkpointer import Checkpointer
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def ask_and_run(user_input, config):
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from langgraph.checkpointer import Checkpointer
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for chunk in agent.stream(user_input, config=config, stream_mode=["messages", "updates"]):
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from langgraph.checkpointer import Checkpointer
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state = agent.get_state(config)
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from langgraph.checkpointer import Checkpointer
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chunk_type, chunk_data = chunk
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from langgraph.checkpointer import Checkpointer
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if chunk_type == "messages":
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from langgraph.checkpointer import Checkpointer
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# stream token output
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from langgraph.checkpointer import Checkpointer
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console.print(chunk_data, end="")
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from langgraph.checkpointer import Checkpointer
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if chunk_type == "updates":
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from langgraph.checkpointer import Checkpointer
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# tool calls
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from langgraph.checkpointer import Checkpointer
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for update in chunk_data:
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from langgraph.checkpointer import Checkpointer
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if update.get("type") == "tool_call":
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from langgraph.checkpointer import Checkpointer
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tool_call = update["tool_call"]
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from langgraph.checkpointer import Checkpointer
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display_tool_call(tool_call)
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from langgraph.checkpointer import Checkpointer
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if "__interrupt__" in chunk_data and state.next == ("tools",):
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from langgraph.checkpointer import Checkpointer
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# pause before tool
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from langgraph.checkpointer import Checkpointer
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answer = console.input("\nРазрешить? (Y/n): ")
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from langgraph.checkpointer import Checkpointer
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if answer.lower().strip() in ("", "y", "yes"):
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from langgraph.checkpointer import Checkpointer
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# resume
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from langgraph.checkpointer import Checkpointer
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ask_and_run(None, config)
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from langgraph.checkpointer import Checkpointer
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else:
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from langgraph.checkpointer import Checkpointer
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console.print("Отменено")
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from langgraph.checkpointer import Checkpointer
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break
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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if __name__ == "__main__":
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from langgraph.checkpointer import Checkpointer
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console.print("Добро пожаловать! Введите 'exit' для выхода.")
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from langgraph.checkpointer import Checkpointer
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while True:
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from langgraph.checkpointer import Checkpointer
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user_input = console.input("\nВы: ")
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from langgraph.checkpointer import Checkpointer
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if user_input.lower() == "exit":
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from langgraph.checkpointer import Checkpointer
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break
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from langgraph.checkpointer import Checkpointer
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ask_and_run({"messages": [{"role": "human", "content": user_input}]}, config)
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from langgraph.checkpointer import Checkpointer
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console.print("\n--- --- ---")
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import Checkpointer
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from langgraph.checkpointer import ...
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