somew1nd
12d7902a82
Fix queue cancellation, concurrency limits and worker status updates. Use direct Explorer imports, split the Diagnoser loop into helpers and remove unused tool registration and prompt-builder code. Correct model caching, endpoint selection and retry handling.
106 lines
4.1 KiB
Python
106 lines
4.1 KiB
Python
# Copyright 2026 Google LLC
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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 inspect
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from typing import Any
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from langchain_core.tools import BaseTool
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from pydantic import BaseModel
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from artemis.context import ArtemisContext
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from artemis.data_engine.trace import trace_langchain_tool
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from artemis.drivers.base import BaseDeviceDriver
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from artemis.graph.state import State
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from artemis.tools.base import ArtemisTool, ToolCategory
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from artemis.tools.tool_wrapper import ToolWrapper
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from artemis.tools.types import CyFunctionDetector
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from artemis.utils.logger import get_logger
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logger = get_logger(__name__)
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class GetUiHierarchyArgs(BaseModel):
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"""Arguments schema for getting UI hierarchy."""
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model_config = {"ignored_types": (CyFunctionDetector,)}
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GET_UI_HIERARCHY_DOCSTRING = (
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"[DIAGNOSTIC] Retrieves the current screen UI hierarchy XML using a persistent"
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" UI Automator client.\n\nUse this instead of running 'uiautomator dump'"
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" command via adb shell, as it is much faster and more stable."
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)
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class GetUiHierarchyTool(ArtemisTool):
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"""Universal tool for retrieving screen UI hierarchy XML."""
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def __init__(self, category: ToolCategory = "diagnostic"):
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super().__init__(
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name="get_ui_hierarchy",
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description=GET_UI_HIERARCHY_DOCSTRING,
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args_schema=GetUiHierarchyArgs,
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category=category,
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)
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# pylint: disable=too-many-arguments,too-many-positional-arguments
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async def execute(
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self,
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driver: BaseDeviceDriver | None = None,
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ctx: ArtemisContext | None = None,
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tool_call_id: str | None = None, # pylint: disable=unused-argument
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state: State | None = None, # pylint: disable=unused-argument
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**kwargs: Any,
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) -> str:
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try:
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logger.info("get_ui_hierarchy tool called.")
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if ctx is not None and getattr(ctx, "ui_adb_client", None) is not None:
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xml_hierarchy = ctx.ui_adb_client.get_hierarchy()
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if inspect.iscoroutine(xml_hierarchy):
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xml_hierarchy = await xml_hierarchy
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return str(xml_hierarchy)
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if driver is not None and hasattr(driver, "get_screen_data"):
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screen_data = await driver.get_screen_data()
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xml_hierarchy = getattr(screen_data, "ui_hierarchy_xml", None)
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if xml_hierarchy:
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return str(xml_hierarchy)
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return "Error retrieving UI hierarchy: No UI hierarchy in screen data."
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if driver is not None and hasattr(driver, "get_ui_hierarchy"):
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xml_hierarchy = await driver.get_ui_hierarchy()
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if inspect.iscoroutine(xml_hierarchy):
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xml_hierarchy = await xml_hierarchy
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return str(xml_hierarchy)
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return "Error retrieving UI hierarchy: No UI Automator client or driver provided."
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except Exception as e: # pylint: disable=broad-exception-caught
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logger.error(f"Failed to get UI hierarchy: {e}")
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return f"Error retrieving UI hierarchy: {e}"
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# Universal tool instance & aliases
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get_ui_hierarchy = GetUiHierarchyTool()
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GetUiHierarchy = GetUiHierarchyTool
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GetUIHierarchy = GetUiHierarchyTool
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def get_ui_hierarchy_tool(ctx: ArtemisContext) -> BaseTool:
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"""Exports get_ui_hierarchy as a LangChain BaseTool."""
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return trace_langchain_tool(get_ui_hierarchy.to_langchain_tool(ctx), ctx)
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ui_hierarchy_wrapper = ToolWrapper(
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tool_fn_getter=get_ui_hierarchy_tool,
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on_success_fn=lambda output: output,
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on_failure_fn=lambda error: f"Failed to retrieve UI hierarchy: {error}",
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)
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