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84 lines
2.9 KiB
84 lines
2.9 KiB
# Copyright 2023 Zilliz. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from typing import List
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from towhee.operator.base import PyOperator
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import erniebot
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class ErnieChat(PyOperator):
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'''Wrapper of Ernie Bot SDK'''
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def __init__(self,
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model_name: str = 'ernie-bot-turbo',
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eb_api_type: str = None,
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eb_access_token: str = None,
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**kwargs
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):
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erniebot.api_type = eb_api_type or os.getenv('EB_API_TYPE')
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erniebot.access_token = eb_access_token or os.getenv('EB_ACCESS_TOKEN')
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self._model = model_name
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self.stream = kwargs.pop('stream') if 'stream' in kwargs else False
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self.kwargs = kwargs
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def __call__(self, messages: List[dict]):
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messages = self.parse_inputs(messages)
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response = erniebot.ChatCompletion.create(
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model=self._model,
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messages=messages,
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stream=self.stream,
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**self.kwargs
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)
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if self.stream:
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return self.stream_output(response)
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else:
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answer = response.result
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return answer
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def parse_inputs(self, messages: List[dict]):
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assert isinstance(messages, list), \
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'Inputs must be a list of dictionaries with keys from ["system", "question", "answer"].'
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new_messages = []
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for m in messages:
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if ('role' and 'content' in m) and (m['role'] in ['system', 'assistant', 'user']):
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new_messages.append(m)
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else:
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for k, v in m.items():
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if k == 'question':
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new_m = {'role': 'user', 'content': v}
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elif k == 'answer':
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new_m = {'role': 'assistant', 'content': v}
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elif k == 'system':
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new_m = {'role': 'system', 'content': v}
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else:
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raise KeyError(
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'Invalid message key: only accept key value from ["system", "question", "answer"].')
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new_messages.append(new_m)
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return new_messages
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def stream_output(self, response):
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for resp in response:
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yield resp.result
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@staticmethod
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def supported_model_names():
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model_list = [
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'ernie-bot',
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'ernie-bot-turbo'
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]
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model_list.sort()
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return model_list
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