_generate() — langchain Function Reference

Architecture documentation for the _generate() function in test_wrap_model_call.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ _generate() — langchain Function Reference

Dependency Diagram

graph TD
  904852d6_c840_a9fd_01b2_49eff94004b3["_generate()"]
  a0273c07_40b6_2e31_ebf2_bccf3fb9c5d7["FailOnceThenSucceed"]
  904852d6_c840_a9fd_01b2_49eff94004b3 -->|defined in| a0273c07_40b6_2e31_ebf2_bccf3fb9c5d7
  style 904852d6_c840_a9fd_01b2_49eff94004b3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/core/test_wrap_model_call.py lines 115–126

            def _generate(
                self,
                messages: list[BaseMessage],
                stop: list[str] | None = None,
                run_manager: CallbackManagerForLLMRun | None = None,
                **kwargs: Any,
            ) -> ChatResult:
                call_count["value"] += 1
                if call_count["value"] == 1:
                    msg = "First call fails"
                    raise ValueError(msg)
                return super()._generate(messages, **kwargs)