check_examples_and_selector() — langchain Function Reference

Architecture documentation for the check_examples_and_selector() function in few_shot.py from the langchain codebase.

Function python PromptManagement ExampleSelection

Entity Profile

PromptManagement→ ExampleSelection→ check_examples_and_selector() — langchain Function Reference

Dependency Diagram

graph TD
  deccb127_18eb_192f_bd33_2fbb22993cea["check_examples_and_selector()"]
  972b6cbc_5332_c857_8cbe_3487a7c6b06e["_FewShotPromptTemplateMixin"]
  deccb127_18eb_192f_bd33_2fbb22993cea -->|defined in| 972b6cbc_5332_c857_8cbe_3487a7c6b06e
  style deccb127_18eb_192f_bd33_2fbb22993cea fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/prompts/few_shot.py lines 55–79

    def check_examples_and_selector(cls, values: dict) -> Any:
        """Check that one and only one of `examples`/`example_selector` are provided.

        Args:
            values: The values to check.

        Returns:
            The values if they are valid.

        Raises:
            ValueError: If neither or both `examples` and `example_selector` are
                provided.
            ValueError: If both `examples` and `example_selector` are provided.
        """
        examples = values.get("examples")
        example_selector = values.get("example_selector")
        if examples and example_selector:
            msg = "Only one of 'examples' and 'example_selector' should be provided"
            raise ValueError(msg)

        if examples is None and example_selector is None:
            msg = "One of 'examples' and 'example_selector' should be provided"
            raise ValueError(msg)

        return values