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_get_llm_string() — langchain Function Reference

Architecture documentation for the _get_llm_string() function in chat_models.py from the langchain codebase.

Function python CoreAbstractions MessageSchema calls 2 called by 2

Entity Profile

Dependency Diagram

graph TD
  4fc37aed_deb5_e40b_e6f9_e9ec4aba8bf4["_get_llm_string()"]
  d009a608_c505_bd50_7200_0de8a69ba4b7["BaseChatModel"]
  4fc37aed_deb5_e40b_e6f9_e9ec4aba8bf4 -->|defined in| d009a608_c505_bd50_7200_0de8a69ba4b7
  c75ce290_1863_e639_39d8_1d5eede2b115["_generate_with_cache()"]
  c75ce290_1863_e639_39d8_1d5eede2b115 -->|calls| 4fc37aed_deb5_e40b_e6f9_e9ec4aba8bf4
  1444b9d3_5ad9_5b23_967b_eb8224746e4f["_agenerate_with_cache()"]
  1444b9d3_5ad9_5b23_967b_eb8224746e4f -->|calls| 4fc37aed_deb5_e40b_e6f9_e9ec4aba8bf4
  5c320356_b8cd_92a3_38a3_2878a3c460d0["_get_invocation_params()"]
  4fc37aed_deb5_e40b_e6f9_e9ec4aba8bf4 -->|calls| 5c320356_b8cd_92a3_38a3_2878a3c460d0
  9793f2f3_1136_1a61_b521_e03eff201daf["_cleanup_llm_representation()"]
  4fc37aed_deb5_e40b_e6f9_e9ec4aba8bf4 -->|calls| 9793f2f3_1136_1a61_b521_e03eff201daf
  style 4fc37aed_deb5_e40b_e6f9_e9ec4aba8bf4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/language_models/chat_models.py lines 828–840

    def _get_llm_string(self, stop: list[str] | None = None, **kwargs: Any) -> str:
        if self.is_lc_serializable():
            params = {**kwargs, "stop": stop}
            param_string = str(sorted(params.items()))
            # This code is not super efficient as it goes back and forth between
            # json and dict.
            serialized_repr = self._serialized
            _cleanup_llm_representation(serialized_repr, 1)
            llm_string = json.dumps(serialized_repr, sort_keys=True)
            return llm_string + "---" + param_string
        params = self._get_invocation_params(stop=stop, **kwargs)
        params = {**params, **kwargs}
        return str(sorted(params.items()))

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Defined In

Calls

Called By

Source

Frequently Asked Questions

What does _get_llm_string() do?
_get_llm_string() is a function in the langchain codebase, defined in libs/core/langchain_core/language_models/chat_models.py.
Where is _get_llm_string() defined?
_get_llm_string() is defined in libs/core/langchain_core/language_models/chat_models.py at line 828.
What does _get_llm_string() call?
_get_llm_string() calls 2 function(s): _cleanup_llm_representation, _get_invocation_params.
What calls _get_llm_string()?
_get_llm_string() is called by 2 function(s): _agenerate_with_cache, _generate_with_cache.

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