init.py — langchain Source File

Architecture documentation for __init__.py, a python file in the langchain codebase. 1 imports, 0 dependents.

File python 1 imports

Entity Profile

Dependency Diagram

graph LR
  873caf76_d8c2_f87d_a99f_9618daa8481f["__init__.py"]
  b24c58a9_b7e7_0d40_177d_3e6558f24262["langchain_classic.evaluation.scoring.eval_chain"]
  873caf76_d8c2_f87d_a99f_9618daa8481f --> b24c58a9_b7e7_0d40_177d_3e6558f24262
  style 873caf76_d8c2_f87d_a99f_9618daa8481f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

"""Scoring evaluators.

This module contains evaluators for scoring on a 1-10 the output of models,
be they LLMs, Chains, or otherwise. This can be based on a variety of
criteria and or a reference answer.

Example:
    >>> from langchain_openai import ChatOpenAI
    >>> from langchain_classic.evaluation.scoring import ScoreStringEvalChain
    >>> model = ChatOpenAI(temperature=0, model_name="gpt-4")
    >>> chain = ScoreStringEvalChain.from_llm(llm=model)
    >>> result = chain.evaluate_strings(
    ...     input="What is the chemical formula for water?",
    ...     prediction="H2O",
    ...     reference="The chemical formula for water is H2O.",
    ... )
    >>> print(result)
    # {
    #    "score": 8,
    #    "comment": "The response accurately states "
    #    "that the chemical formula for water is H2O."
    #    "However, it does not provide an explanation of what the formula means."
    # }
"""

from langchain_classic.evaluation.scoring.eval_chain import (
    LabeledScoreStringEvalChain,
    ScoreStringEvalChain,
)

__all__ = ["LabeledScoreStringEvalChain", "ScoreStringEvalChain"]

Dependencies

langchain_classic.evaluation.scoring.eval_chain

Source

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Frequently Asked Questions

What does __init__.py do?

__init__.py is a source file in the langchain codebase, written in python.

What does __init__.py depend on?

__init__.py imports 1 module(s): langchain_classic.evaluation.scoring.eval_chain.

Where is __init__.py in the architecture?

__init__.py is located at libs/langchain/langchain_classic/evaluation/scoring/__init__.py (directory: libs/langchain/langchain_classic/evaluation/scoring).

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__init__.py — langchain Source File