marketing-analytics-bot / langchain /example_generator.py
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"""Utility functions for working with prompts."""
from typing import List
from langchain.chains.llm import LLMChain
from langchain.llms.base import BaseLLM
from langchain.prompts.few_shot import FewShotPromptTemplate
from langchain.prompts.prompt import PromptTemplate
TEST_GEN_TEMPLATE_SUFFIX = "Add another example."
def generate_example(
examples: List[dict], llm: BaseLLM, 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 = LLMChain(llm=llm, prompt=prompt)
return chain.predict()