Files
adk-python/src/google/adk/tools/crewai_tool.py
hangfei 9827820143 Agent Development Kit(ADK)
An easy-to-use and powerful framework to build AI agents.
2025-04-08 17:25:47 +00:00

73 lines
2.2 KiB
Python

# Copyright 2025 Google LLC
#
# 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.
from __future__ import annotations
from google.genai import types
from typing_extensions import override
from . import _automatic_function_calling_util
from .function_tool import FunctionTool
try:
from crewai.tools import BaseTool as CrewaiBaseTool
except ImportError as e:
import sys
if sys.version_info < (3, 10):
raise ImportError(
"Crewai Tools require Python 3.10+. Please upgrade your Python version."
) from e
else:
raise ImportError(
"Crewai Tools require pip install 'google-adk[extensions]'."
) from e
class CrewaiTool(FunctionTool):
"""Use this class to wrap a CrewAI tool.
If the original tool name and description are not suitable, you can override
them in the constructor.
"""
tool: CrewaiBaseTool
"""The wrapped CrewAI tool."""
def __init__(self, tool: CrewaiBaseTool, *, name: str, description: str):
super().__init__(tool.run)
self.tool = tool
if name:
self.name = name
elif tool.name:
# Right now, CrewAI tool name contains white spaces. White spaces are
# not supported in our framework. So we replace them with "_".
self.name = tool.name.replace(" ", "_").lower()
if description:
self.description = description
elif tool.description:
self.description = tool.description
@override
def _get_declaration(self) -> types.FunctionDeclaration:
"""Build the function declaration for the tool."""
function_declaration = _automatic_function_calling_util.build_function_declaration_for_params_for_crewai(
False,
self.name,
self.description,
self.func,
self.tool.args_schema.model_json_schema(),
)
return function_declaration