_generate() — langchain Function Reference

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

Function python LangChainCore LanguageModelBase calls 1 called by 3

Entity Profile

LangChainCore→ LanguageModelBase→ _generate() — langchain Function Reference

Dependency Diagram

graph TD
  eec0b1c8_4eca_a0d5_55a8_e9909486cbb7["_generate()"]
  71f026b7_735a_5848_145f_51d3aab1b87a["FakeMessagesListChatModel"]
  eec0b1c8_4eca_a0d5_55a8_e9909486cbb7 -->|defined in| 71f026b7_735a_5848_145f_51d3aab1b87a
  6aab4b64_b0dd_9e21_9fb0_f35c85a54be9["_generate()"]
  6aab4b64_b0dd_9e21_9fb0_f35c85a54be9 -->|calls| eec0b1c8_4eca_a0d5_55a8_e9909486cbb7
  043fe2cf_c0f7_dc86_8b7a_d8c61bb7e21a["_generate()"]
  043fe2cf_c0f7_dc86_8b7a_d8c61bb7e21a -->|calls| eec0b1c8_4eca_a0d5_55a8_e9909486cbb7
  576f6581_ce6e_5e34_ec34_a77e605e8814["_stream()"]
  576f6581_ce6e_5e34_ec34_a77e605e8814 -->|calls| eec0b1c8_4eca_a0d5_55a8_e9909486cbb7
  6aab4b64_b0dd_9e21_9fb0_f35c85a54be9["_generate()"]
  eec0b1c8_4eca_a0d5_55a8_e9909486cbb7 -->|calls| 6aab4b64_b0dd_9e21_9fb0_f35c85a54be9
  style eec0b1c8_4eca_a0d5_55a8_e9909486cbb7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/language_models/fake_chat_models.py lines 32–47

    def _generate(
        self,
        messages: list[BaseMessage],
        stop: list[str] | None = None,
        run_manager: CallbackManagerForLLMRun | None = None,
        **kwargs: Any,
    ) -> ChatResult:
        if self.sleep is not None:
            time.sleep(self.sleep)
        response = self.responses[self.i]
        if self.i < len(self.responses) - 1:
            self.i += 1
        else:
            self.i = 0
        generation = ChatGeneration(message=response)
        return ChatResult(generations=[generation])