ReMe/reme/tool/fs/write_tool.py

81 lines
2.6 KiB
Python

"""Write tool for creating and overwriting files.
This module provides a tool for writing content to files with:
- Automatic parent directory creation
- File overwriting (creates if doesn't exist, overwrites if exists)
- Path resolution (relative to working directory)
"""
import os
from ...core.op import BaseTool
from ...core.schema import ToolCall
class WriteTool(BaseTool):
"""Tool for writing content to files.
Features:
- Creates file if it doesn't exist, overwrites if it does
- Automatically creates parent directories
- Supports both relative and absolute paths
"""
def __init__(self, cwd: str | None = None):
"""Initialize write tool.
Args:
cwd: Working directory (defaults to current directory)
"""
super().__init__()
self.cwd = cwd or os.getcwd()
def _build_tool_call(self) -> ToolCall:
return ToolCall(
**{
"description": (
"Write content to a file. Creates the file if it doesn't exist, "
"overwrites if it does. Automatically creates parent directories."
),
"parameters": {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": "Path to the file to write (relative or absolute)",
},
"content": {
"type": "string",
"description": "Content to write to the file",
},
},
"required": ["path", "content"],
},
},
)
async def execute(self) -> str:
"""Execute the write operation."""
path: str = self.context.path
content: str = self.context.content
# Resolve path to absolute
if not os.path.isabs(path):
absolute_path = os.path.join(self.cwd, path)
else:
absolute_path = path
absolute_path = os.path.normpath(absolute_path)
# Create parent directories if needed
parent_dir = os.path.dirname(absolute_path)
if parent_dir:
os.makedirs(parent_dir, exist_ok=True)
# Write the file
with open(absolute_path, "w", encoding="utf-8") as f:
f.write(content)
# Return success message
content_bytes = len(content.encode("utf-8"))
return f"Successfully wrote {content_bytes} bytes to {path}"