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# Copyright 2021 Zilliz. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
from typing import List
import openai
from towhee.operator.base import PyOperator
class AzureOpenaiChat(PyOperator):
'''Wrapper of OpenAI Chat API'''
def __init__(self,
deployment_name: str = 'gpt-3.5-turbo',
api_type: str = 'azure',
api_version: str = '2023-07-01-preview',
api_key: str = None,
api_base = None,
**kwargs
):
self._api_key = api_key or os.getenv('OPENAI_API_KEY')
self._api_base = api_base or os.getenv('OPENAI_API_BASE')
self._api_type = api_type
self._api_version = api_version
self._deployment = deployment_name
self.stream = kwargs.pop('stream') if 'stream' in kwargs else False
self.kwargs = kwargs
def __call__(self, messages: List[dict]):
messages = self.parse_inputs(messages)
response = openai.ChatCompletion.create(
engine=self._deployment,
messages=messages,
n=1,
stream=self.stream,
api_key = self._api_key,
api_type = self._api_type,
api_base = self._api_base,
api_version = self._api_version,
**self.kwargs
)
if self.stream:
return self.stream_output(response)
else:
answer = response['choices'][0]['message']['content']
return answer
def parse_inputs(self, messages: List[dict]):
assert isinstance(messages, list), \
'Inputs must be a list of dictionaries with keys from ["system", "question", "answer"].'
new_messages = []
for m in messages:
if ('role' and 'content' in m) and (m['role'] in ['system', 'assistant', 'user']):
new_messages.append(m)
else:
for k, v in m.items():
if k == 'question':
new_m = {'role': 'user', 'content': v}
elif k == 'answer':
new_m = {'role': 'assistant', 'content': v}
elif k == 'system':
new_m = {'role': 'system', 'content': v}
else:
raise KeyError('Invalid message key: only accept key value from ["system", "question", "answer"].')
new_messages.append(new_m)
return new_messages
def stream_output(self, response):
for resp in response:
yield resp['choices'][0]['delta']