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100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
# Copyright 2025 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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"""File reading tool for Agent Builder Assistant."""
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from pathlib import Path
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from typing import Any
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from typing import Dict
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from typing import List
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from google.adk.tools.tool_context import ToolContext
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from ..utils.resolve_root_directory import resolve_file_paths
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async def read_files(
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file_paths: List[str], tool_context: ToolContext
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) -> Dict[str, Any]:
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"""Read content from multiple files.
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This tool reads content from multiple files and returns their contents.
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It's designed for reading Python tools, configuration files, and other text
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files.
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Args:
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file_paths: List of absolute or relative paths to files to read
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Returns:
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Dict containing read operation results:
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- success: bool indicating if all reads succeeded
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- files: dict mapping file_path to file info:
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- content: file content as string
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- file_size: size of file in bytes
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- exists: bool indicating if file exists
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- error: error message if read failed for this file
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- successful_reads: number of files read successfully
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- total_files: total number of files requested
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- errors: list of general error messages
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"""
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try:
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# Resolve file paths using session state
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session_state = tool_context._invocation_context.session.state
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resolved_paths = resolve_file_paths(file_paths, session_state)
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result = {
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"success": True,
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"files": {},
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"successful_reads": 0,
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"total_files": len(file_paths),
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"errors": [],
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}
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for resolved_path in resolved_paths:
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file_path_obj = resolved_path.resolve()
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file_info = {
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"content": "",
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"file_size": 0,
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"exists": False,
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"error": None,
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}
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try:
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if not file_path_obj.exists():
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file_info["error"] = f"File does not exist: {file_path_obj}"
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else:
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file_info["exists"] = True
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file_info["file_size"] = file_path_obj.stat().st_size
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with open(file_path_obj, "r", encoding="utf-8") as f:
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file_info["content"] = f.read()
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result["successful_reads"] += 1
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except Exception as e:
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file_info["error"] = f"Failed to read {file_path_obj}: {str(e)}"
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result["success"] = False
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result["files"][str(file_path_obj)] = file_info
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return result
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except Exception as e:
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return {
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"success": False,
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"files": {},
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"successful_reads": 0,
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"total_files": len(file_paths) if file_paths else 0,
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"errors": [f"Read operation failed: {str(e)}"],
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}
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