_FakeCallback Class — langchain Architecture

Architecture documentation for the _FakeCallback class in test_chat_models.py from the langchain codebase.

Class python

Entity Profile

Dependency Diagram

graph TD
  2119022a_1c9f_44fb_786c_1c09b7a93f01["_FakeCallback"]
  9659be4f_91d1_3b62_bcfb_38c048777165["FakeCallbackHandler"]
  2119022a_1c9f_44fb_786c_1c09b7a93f01 -->|extends| 9659be4f_91d1_3b62_bcfb_38c048777165
  af57ae60_607e_c138_9ab0_fb8bb1c5916a["test_chat_models.py"]
  2119022a_1c9f_44fb_786c_1c09b7a93f01 -->|defined in| af57ae60_607e_c138_9ab0_fb8bb1c5916a
  57dfdc76_4351_a024_13da_6929ba713661["on_llm_end()"]
  2119022a_1c9f_44fb_786c_1c09b7a93f01 -->|method| 57dfdc76_4351_a024_13da_6929ba713661

Relationship Graph

Source Code

libs/partners/groq/tests/integration_tests/test_chat_models.py lines 369–378

    class _FakeCallback(FakeCallbackHandler):
        saved_things: dict = {}

        def on_llm_end(
            self,
            *args: Any,
            **kwargs: Any,
        ) -> Any:
            # Save the generation
            self.saved_things["generation"] = args[0]