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# ========= Copyright 2023-2024 @ 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 2023-2024 @ CAMEL-AI.org. All Rights Reserved. =========
from abc import ABC, abstractmethod
from typing import Any, Dict, Generic, List, Optional, TypeVar
from camel.messages.conversion import (
ToolCall,
ToolResponse,
)
CallT = TypeVar('CallT', bound=ToolCall, covariant=True)
ResponseT = TypeVar('ResponseT', bound=ToolResponse, covariant=True)
class FunctionCallFormatter(ABC, Generic[CallT, ResponseT]):
r"""Abstract base class for function calling formats"""
@abstractmethod
def extract_tool_calls(self, message: str) -> List[CallT]:
r"""Extract function call info from a message string"""
pass
@abstractmethod
def extract_tool_response(self, message: str) -> Optional[ResponseT]:
r"""Extract function response info from a message string"""
pass
@abstractmethod
def format_tool_call(
self, content: str, func_name: str, args: Dict[str, Any]
) -> str:
r"""Format a function call into a message string"""
pass
@abstractmethod
def format_tool_response(self, func_name: str, result: Any) -> str:
r"""Format a function response into a message string"""
pass
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