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# coding=utf-8
# ------------------------------------
# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.
# ------------------------------------
"""
FILE: sample_query_text.py
DESCRIPTION:
Ask a question over ad-hoc text (options object pattern).
USAGE:
python sample_query_text.py
Environment variables:
1) AZURE_QUESTIONANSWERING_ENDPOINT
2) AZURE_QUESTIONANSWERING_KEY
"""
from __future__ import annotations
def sample_query_text():
# [START query_text]
import os
from azure.core.credentials import AzureKeyCredential
from azure.ai.language.questionanswering import QuestionAnsweringClient
from azure.ai.language.questionanswering.models import AnswersFromTextOptions, TextDocument
endpoint = os.environ["AZURE_QUESTIONANSWERING_ENDPOINT"]
key = os.environ["AZURE_QUESTIONANSWERING_KEY"]
client = QuestionAnsweringClient(endpoint, AzureKeyCredential(key))
with client:
question = "How long does it take to charge a Surface?"
# Options object call
options = AnswersFromTextOptions(
question=question,
text_documents=[
TextDocument(
id="doc1",
text=(
"Power and charging. It takes two to four hours to charge the Surface Pro 4 battery fully "
"from an empty state. It can take longer if you're using your Surface for power-intensive "
"activities like gaming or video streaming while you're charging it."
),
),
TextDocument(
id="doc2",
text=(
"You can use the USB port on your Surface Pro 4 power supply to charge other devices, like "
"a phone, while your Surface charges. The USB port on the power supply is only for charging, "
"not for data transfer."
),
),
],
)
output = client.get_answers_from_text(options)
best_answer = next(
(a for a in (output.answers or []) if a.confidence and a.confidence > 0.9),
None,
)
if best_answer:
print(f"Q: {question}")
print(f"A: {best_answer.answer}")
else:
print(f"No answers for '{question}'")
# [END query_text]
if __name__ == "__main__":
sample_query_text()
|
