minichain / #qa.py#
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# # QA
# Questions answering with embeddings. Adapted from [OpenAI
# Notebook](https://github.com/openai/openai-cookbook/blob/main/examples/Question_answering_using_embeddings.ipynb).
import datasets
import numpy as np
from minichain import EmbeddingPrompt, TemplatePrompt, show_log, start_chain
# We use Hugging Face Datasets as the database by assigning
# a FAISS index.
olympics = datasets.load_from_disk("olympics.data")
olympics.add_faiss_index("embeddings")
# Fast KNN retieval prompt
class KNNPrompt(EmbeddingPrompt):
def find(self, out, inp):
res = olympics.get_nearest_examples("embeddings", np.array(out), 3)
return {"question": inp, "docs": res.examples["content"]}
# QA prompt to ask question with examples
class QAPrompt(TemplatePrompt):
template_file = "qa.pmpt.tpl"
with start_chain("qa") as backend:
question = "Who won the 2020 Summer Olympics men's high jump?"
prompt = KNNPrompt(backend.OpenAIEmbed()).chain(QAPrompt(backend.OpenAI()))
result = prompt(question)
print(result)
# + tags=["hide_inp"]
QAPrompt().show(
{"question": "Who won the race?", "docs": ["doc1", "doc2", "doc3"]}, "Joe Bob"
)
# -
show_log("qa.log")