3fiK ddlmZddlmZddlmZddlmZddlm Z ddl m Z ddl mZdZed d d d efdeeeeezdedede fdZy)) deprecated)BaseLanguageModel)PydanticToolsParser)ChatPromptTemplate)Runnable)convert_to_openai_function) BaseModelzExtract and save the relevant entities mentioned in the following passage together with their properties. If a property is not present and is not required in the function parameters, do not include it in the output.z0.1.14a{LangChain has introduced a method called `with_structured_output` thatis available on ChatModels capable of tool calling.You can read more about the method here: . Please follow our extraction use case documentation for more guidelineson how to do information extraction with LLMs.. with_structured_output does not currently support a list of pydantic schemas. If this is a blocker or if you notice other issues, please provide feedback here:z1.0a, from pydantic import BaseModel, Field from langchain_anthropic import ChatAnthropic class Joke(BaseModel): setup: str = Field(description="The setup of the joke") punchline: str = Field(description="The punchline to the joke") # Or any other chat model that supports tools. # Please reference to the documentation of structured_output # to see an up to date list of which models support # with_structured_output. model = ChatAnthropic(model="claude-opus-4-1-20250805", temperature=0) structured_model = model.with_structured_output(Joke) structured_model.invoke("Tell me a joke about cats. Make sure to call the Joke function.") )sincemessageremoval alternativepydantic_schemasllmsystem_messagereturnc t|ts|g}tjd|fdg}|Dcgc] }t |}}|Dcgc]}d|d }}|j |}||zt |zScc}wcc}w)a?Creates a chain that extracts information from a passage. Args: pydantic_schemas: The schema of the entities to extract. llm: The language model to use. system_message: The system message to use for extraction. Returns: A runnable that extracts information from a passage. system)userz{input}function)typer)tools) isinstancelistr from_messages#convert_pydantic_to_openai_functionbindr) rrrpromptp functionsdrmodels n/var/www/auto_recruiter/arenv/lib/python3.12/site-packages/langchain_classic/chains/openai_tools/extraction.py create_extraction_chain_pydanticr#sf & -,-  - - ~ &  F BRRA4Q7RIR:C DQja 0 DE D HH5H !E E>/6FG GGS Ds A; BN)langchain_core._apirlangchain_core.language_modelsr*langchain_core.output_parsers.openai_toolsrlangchain_core.promptsrlangchain_core.runnablesr%langchain_core.utils.function_callingrrpydanticr _EXTRACTION_TEMPLATErrstrr#r"r/s*<J5-q   H  ##N/H4 ?+d9o=H HH HI#HHr.