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from pathlib import Path
from personal_agent.tools.base import Tool, ToolError, ToolResult
class FileSystemListTool(Tool):
@property
def name(self) -> str:
return "filesystem_list"
@property
def description(self) -> str:
return "List files and directories inside the agent's sandbox."
@property
def schema(self) -> dict[str, object]:
return {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": (
"Relative path inside the filesystem sandbox. "
"Use '.' for the sandbox root."
),
},
},
"required": ["path"],
}
def execute(self, arguments: dict[str, object]) -> ToolResult:
path = arguments.get("path")
if not isinstance(path, str):
raise ToolError("path must be a string")
sandbox = Path.home() / "Projects" / "personal-agent" / "data"
target = (sandbox / path).resolve()
if not target.is_relative_to(sandbox.resolve()):
raise ToolError("path is outside the filesystem sandbox")
if not target.exists():
raise ToolError(f"path does not exist: {path}")
if not target.is_dir():
raise ToolError(f"path is not a directory: {path}")
entries = []
for entry in sorted(target.iterdir()):
kind = "directory" if entry.is_dir() else "file"
entries.append(f"{kind}: {entry.name}")
if not entries:
return ToolResult(content="Directory is empty.")
return ToolResult(content="\n".join(entries))
class FileSystemReadTool(Tool):
MAX_FILE_SIZE = 1024 * 1024 # 1 MiB
@property
def name(self) -> str:
return "filesystem_read"
@property
def description(self) -> str:
return "Read the contents of a file inside the agent's sandbox."
@property
def schema(self) -> dict[str, object]:
return {
"type": "object",
"properties": {
"path": {
"type": "string",
"description": ("Relative path inside the filesystem sandbox."),
},
},
"required": ["path"],
}
def execute(self, arguments: dict[str, object]) -> ToolResult:
path = arguments.get("path")
if not isinstance(path, str):
raise ToolError("path must be a string")
sandbox = Path.home() / "Projects" / "personal-agent" / "data"
sandbox = sandbox.resolve()
target = (sandbox / path).resolve()
if not target.is_relative_to(sandbox):
raise ToolError("path is outside the filesystem sandbox")
if not target.exists():
raise ToolError(f"path does not exist: {path}")
if not target.is_file():
raise ToolError(f"path is not a file: {path}")
if target.stat().st_size > self.MAX_FILE_SIZE:
raise ToolError("file is too large to read")
try:
content = target.read_text(encoding="utf-8")
except ToolError as error:
raise ToolError("file is not valid UTF-8 text") from error
return ToolResult(content=content)
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