Source code for camel.models.openai_compatibility_model
# =========== Copyright 2023 @ CAMEL-AI.org. 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.
# =========== Copyright 2023 @ CAMEL-AI.org. All Rights Reserved. ===========
from typing import Any, Dict, List, Optional, Union
from openai import OpenAI, Stream
from camel.messages import OpenAIMessage
from camel.types import ChatCompletion, ChatCompletionChunk, ModelType
from camel.utils import (
BaseTokenCounter,
OpenAITokenCounter,
)
[docs]
class OpenAICompatibilityModel:
r"""Constructor for model backend supporting OpenAI compatibility."""
def __init__(
self,
model_type: str,
model_config_dict: Dict[str, Any],
api_key: str,
url: str,
token_counter: Optional[BaseTokenCounter] = None,
) -> None:
r"""Constructor for model backend.
Args:
model_type (str): Model for which a backend is created.
model_config_dict (Dict[str, Any]): A dictionary that will
be fed into openai.ChatCompletion.create().
api_key (str): The API key for authenticating with the
model service. (default: :obj:`None`)
url (str): The url to the model service. (default:
:obj:`None`)
token_counter (Optional[BaseTokenCounter]): Token counter to use
for the model. If not provided, `OpenAITokenCounter(ModelType.
GPT_4O_MINI)` will be used.
"""
self.model_type = model_type
self.model_config_dict = model_config_dict
self._token_counter = token_counter
self._client = OpenAI(
timeout=60,
max_retries=3,
api_key=api_key,
base_url=url,
)
[docs]
def run(
self,
messages: List[OpenAIMessage],
) -> Union[ChatCompletion, Stream[ChatCompletionChunk]]:
r"""Runs inference of OpenAI chat completion.
Args:
messages (List[OpenAIMessage]): Message list with the chat history
in OpenAI API format.
Returns:
Union[ChatCompletion, Stream[ChatCompletionChunk]]:
`ChatCompletion` in the non-stream mode, or
`Stream[ChatCompletionChunk]` in the stream mode.
"""
response = self._client.chat.completions.create(
messages=messages,
model=self.model_type,
**self.model_config_dict,
)
return response
@property
def token_counter(self) -> BaseTokenCounter:
r"""Initialize the token counter for the model backend.
Returns:
OpenAITokenCounter: The token counter following the model's
tokenization style.
"""
if not self._token_counter:
self._token_counter = OpenAITokenCounter(ModelType.GPT_4O_MINI)
return self._token_counter
@property
def stream(self) -> bool:
r"""Returns whether the model is in stream mode, which sends partial
results each time.
Returns:
bool: Whether the model is in stream mode.
"""
return self.model_config_dict.get('stream', False)
@property
def token_limit(self) -> int:
r"""Returns the maximum token limit for the given model.
Returns:
int: The maximum token limit for the given model.
"""
max_tokens = self.model_config_dict.get("max_tokens")
if isinstance(max_tokens, int):
return max_tokens
print(
"Must set `max_tokens` as an integer in `model_config_dict` when"
" setting up the model. Using 4096 as default value."
)
return 4096