suna/agentpress/agents/simple_web_dev/tools/files_tool.py

292 lines
10 KiB
Python

import os
import asyncio
from pathlib import Path
from agentpress.tools.tool import Tool, ToolResult, openapi_schema, xml_schema
from agentpress.state_manager import StateManager
from typing import Optional
class FilesTool(Tool):
"""File management tool for creating, updating, and deleting files.
This tool provides file operations within a workspace directory, with built-in
file filtering and state tracking capabilities.
Attributes:
workspace (str): Path to the workspace directory
EXCLUDED_FILES (set): Files to exclude from operations
EXCLUDED_DIRS (set): Directories to exclude
EXCLUDED_EXT (set): File extensions to exclude
SNIPPET_LINES (int): Context lines for edit previews
"""
# Excluded files, directories, and extensions
EXCLUDED_FILES = {
".DS_Store",
".gitignore",
"package-lock.json",
"postcss.config.js",
"postcss.config.mjs",
"jsconfig.json",
"components.json",
"tsconfig.tsbuildinfo",
"tsconfig.json",
}
EXCLUDED_DIRS = {
"node_modules",
".next",
"dist",
"build",
".git"
}
EXCLUDED_EXT = {
".ico",
".svg",
".png",
".jpg",
".jpeg",
".gif",
".bmp",
".tiff",
".webp",
".db",
".sql"
}
def __init__(self, store_id: Optional[str] = None):
super().__init__()
self.workspace = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), 'workspace')
os.makedirs(self.workspace, exist_ok=True)
self.state_manager = StateManager(store_id)
self.SNIPPET_LINES = 4 # Number of context lines to show around edits
asyncio.create_task(self._init_workspace_state())
def _should_exclude_file(self, rel_path: str) -> bool:
"""Check if a file should be excluded based on path, name, or extension"""
# Check filename
filename = os.path.basename(rel_path)
if filename in self.EXCLUDED_FILES:
return True
# Check directory
dir_path = os.path.dirname(rel_path)
if any(excluded in dir_path for excluded in self.EXCLUDED_DIRS):
return True
# Check extension
_, ext = os.path.splitext(filename)
if ext.lower() in self.EXCLUDED_EXT:
return True
return False
async def _init_workspace_state(self):
"""Initialize or update the workspace state in JSON"""
files_state = {}
# Walk through workspace and record all files
for root, _, files in os.walk(self.workspace):
for file in files:
full_path = os.path.join(root, file)
rel_path = os.path.relpath(full_path, self.workspace)
# Skip excluded files
if self._should_exclude_file(rel_path):
continue
try:
with open(full_path, 'r') as f:
content = f.read()
files_state[rel_path] = {
"content": content
}
except Exception as e:
print(f"Error reading file {rel_path}: {e}")
except UnicodeDecodeError:
print(f"Skipping binary file: {rel_path}")
await self.state_manager.set("files", files_state)
async def _update_workspace_state(self):
"""Update the workspace state after any file operation"""
await self._init_workspace_state()
@openapi_schema({
"type": "function",
"function": {
"name": "create_file",
"description": "Create a new file with the provided contents at a given path in the workspace",
"parameters": {
"type": "object",
"properties": {
"file_path": {
"type": "string",
"description": "Path to the file to be created"
},
"file_contents": {
"type": "string",
"description": "The content to write to the file"
}
},
"required": ["file_path", "file_contents"]
}
}
})
@xml_schema(
tag_name="create-file",
mappings=[
{"param_name": "file_path", "node_type": "attribute", "path": "."},
{"param_name": "file_contents", "node_type": "content", "path": "."}
],
example='''
<create-file file_path="path/to/file">
File contents go here
</create-file>
'''
)
async def create_file(self, file_path: str, file_contents: str) -> ToolResult:
try:
full_path = os.path.join(self.workspace, file_path)
if os.path.exists(full_path):
return self.fail_response(f"File '{file_path}' already exists. Use update_file to modify existing files.")
os.makedirs(os.path.dirname(full_path), exist_ok=True)
with open(full_path, 'w') as f:
f.write(file_contents)
await self._update_workspace_state()
return self.success_response(f"File '{file_path}' created successfully.")
except Exception as e:
return self.fail_response(f"Error creating file: {str(e)}")
@openapi_schema({
"type": "function",
"function": {
"name": "delete_file",
"description": "Delete a file at the given path",
"parameters": {
"type": "object",
"properties": {
"file_path": {
"type": "string",
"description": "Path to the file to be deleted"
}
},
"required": ["file_path"]
}
}
})
@xml_schema(
tag_name="delete-file",
mappings=[
{"param_name": "file_path", "node_type": "attribute", "path": "."}
],
example='''
<delete-file file_path="path/to/file">
</delete-file>
'''
)
async def delete_file(self, file_path: str) -> ToolResult:
try:
full_path = os.path.join(self.workspace, file_path)
os.remove(full_path)
await self._update_workspace_state()
return self.success_response(f"File '{file_path}' deleted successfully.")
except Exception as e:
return self.fail_response(f"Error deleting file: {str(e)}")
@openapi_schema({
"type": "function",
"function": {
"name": "str_replace",
"description": "Replace text in file",
"parameters": {
"type": "object",
"properties": {
"file_path": {
"type": "string",
"description": "Path to the target file"
},
"old_str": {
"type": "string",
"description": "Text to be replaced (must appear exactly once)"
},
"new_str": {
"type": "string",
"description": "Replacement text"
}
},
"required": ["file_path", "old_str", "new_str"]
}
}
})
@xml_schema(
tag_name="str-replace",
mappings=[
{"param_name": "file_path", "node_type": "attribute", "path": "file_path"},
{"param_name": "old_str", "node_type": "element", "path": "old_str"},
{"param_name": "new_str", "node_type": "element", "path": "new_str"}
],
example='''
<str-replace file_path="path/to/file">
<old_str>text to replace</old_str>
<new_str>replacement text</new_str>
</str-replace>
'''
)
async def str_replace(self, file_path: str, old_str: str, new_str: str) -> ToolResult:
try:
full_path = Path(os.path.join(self.workspace, file_path))
if not full_path.exists():
return self.fail_response(f"File '{file_path}' does not exist")
content = full_path.read_text().expandtabs()
old_str = old_str.expandtabs()
new_str = new_str.expandtabs()
occurrences = content.count(old_str)
if occurrences == 0:
return self.fail_response(f"String '{old_str}' not found in file")
if occurrences > 1:
lines = [i+1 for i, line in enumerate(content.split('\n')) if old_str in line]
return self.fail_response(f"Multiple occurrences found in lines {lines}. Please ensure string is unique")
# Perform replacement
new_content = content.replace(old_str, new_str)
full_path.write_text(new_content)
# Show snippet around the edit
replacement_line = content.split(old_str)[0].count('\n')
start_line = max(0, replacement_line - self.SNIPPET_LINES)
end_line = replacement_line + self.SNIPPET_LINES + new_str.count('\n')
snippet = '\n'.join(new_content.split('\n')[start_line:end_line + 1])
return self.success_response(f"Replacement successful. Snippet of changes:\n{snippet}")
except Exception as e:
return self.fail_response(f"Error replacing string: {str(e)}")
if __name__ == "__main__":
async def test_files_tool():
files_tool = FilesTool()
test_file_path = "test_file.txt"
test_content = "This is a test file."
updated_content = "This is an updated test file."
print(f"Using workspace directory: {files_tool.workspace}")
# Test create_file
create_result = await files_tool.create_file(test_file_path, test_content)
print("Create file result:", create_result)
# Test delete_file
delete_result = await files_tool.delete_file(test_file_path)
print("Delete file result:", delete_result)
# Test read_file after delete (should fail)
read_deleted_result = await files_tool.read_file(test_file_path)
print("Read deleted file result:", read_deleted_result)
asyncio.run(test_files_tool())