scripts/ai/android_build/interface/registry.py

# Copyright (C) 2026 The Android Open Source Project
#
# 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 dataclasses
import typing
from typing import Any, Optional
from .schema import ToolArgs

@dataclasses.dataclass(frozen=True)
class ToolDefinition:
    name: str
    args_model: typing.Type[ToolArgs]
    implementation: typing.Callable[..., Any]
    wrapped_func: Optional[typing.Callable[..., Any]] = None

TOOLS: dict[str, ToolDefinition] = {}

def register_tool(name: str, args_model: typing.Type[ToolArgs], wrapped_func: Optional[typing.Callable[..., Any]] = None) -> typing.Callable[[typing.Callable[..., Any]], typing.Callable[..., Any]]:
    """Decorator to register a tool."""
    def decorator(func: typing.Callable[..., Any]) -> typing.Callable[..., Any]:
        TOOLS[name] = ToolDefinition(
            name=name,
            args_model=args_model,
            implementation=func,
            wrapped_func=wrapped_func
        )
        return func
    return decorator