Source code for langchain_core.example_selectors.base
"""Interface for selecting examples to include in prompts."""
from abc import ABC, abstractmethod
from typing import Any, Dict, List
from langchain_core.runnables import run_in_executor
[docs]class BaseExampleSelector(ABC):
"""Interface for selecting examples to include in prompts."""
[docs] @abstractmethod
def add_example(self, example: Dict[str, str]) -> Any:
"""Add new example to store.
Args:
example: A dictionary with keys as input variables
and values as their values."""
[docs] async def aadd_example(self, example: Dict[str, str]) -> Any:
"""Async add new example to store.
Args:
example: A dictionary with keys as input variables
and values as their values."""
return await run_in_executor(None, self.add_example, example)
[docs] @abstractmethod
def select_examples(self, input_variables: Dict[str, str]) -> List[dict]:
"""Select which examples to use based on the inputs.
Args:
input_variables: A dictionary with keys as input variables
and values as their values."""
[docs] async def aselect_examples(self, input_variables: Dict[str, str]) -> List[dict]:
"""Async select which examples to use based on the inputs.
Args:
input_variables: A dictionary with keys as input variables
and values as their values."""
return await run_in_executor(None, self.select_examples, input_variables)