from typing import List
from langchain_core.language_models import BaseLanguageModel
from langchain_core.output_parsers import StrOutputParser
from langchain_core.prompts.few_shot import FewShotPromptTemplate
from langchain_core.prompts.prompt import PromptTemplate
TEST_GEN_TEMPLATE_SUFFIX = "Add another example."
def generate_example(
examples: List[dict], llm: BaseLanguageModel, prompt_template: PromptTemplate
) -> str:
"""Return another example given a list of examples for a prompt."""
prompt = FewShotPromptTemplate(
examples=examples,
suffix=TEST_GEN_TEMPLATE_SUFFIX,
input_variables=[],
example_prompt=prompt_template,
)
chain = prompt | llm | StrOutputParser()
return chain.invoke({})