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Foxel/domain/agent/tools/vfs.py
2026-02-09 13:19:28 +08:00

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from typing import Any, Dict, Optional
from domain.virtual_fs import VirtualFSService
from domain.virtual_fs.search import VirtualFSSearchService
from .base import ToolSpec
def _normalize_vfs_path(value: Any) -> str:
s = str(value or "").strip().replace("\\", "/")
if not s:
return ""
if not s.startswith("/"):
s = "/" + s
s = s.rstrip("/") or "/"
return s
def _require_vfs_path(value: Any, field: str) -> str:
path = _normalize_vfs_path(value)
if not path:
raise ValueError(f"missing_{field}")
return path
async def _vfs_list_dir(args: Dict[str, Any]) -> Dict[str, Any]:
path = _normalize_vfs_path(args.get("path") or "/") or "/"
page = int(args.get("page") or 1)
page_size = int(args.get("page_size") or 50)
sort_by = str(args.get("sort_by") or "name")
sort_order = str(args.get("sort_order") or "asc")
return await VirtualFSService.list_directory(path, page, page_size, sort_by, sort_order)
async def _vfs_stat(args: Dict[str, Any]) -> Any:
path = _require_vfs_path(args.get("path"), "path")
return await VirtualFSService.stat(path)
async def _vfs_read_text(args: Dict[str, Any]) -> Dict[str, Any]:
path = _require_vfs_path(args.get("path"), "path")
encoding = str(args.get("encoding") or "utf-8")
max_chars = int(args.get("max_chars") or 8000)
data = await VirtualFSService.read_file(path)
if isinstance(data, (bytes, bytearray)):
try:
text = bytes(data).decode(encoding)
except UnicodeDecodeError:
return {"error": "binary_or_invalid_text", "path": path}
elif isinstance(data, str):
text = data
else:
text = str(data)
original_len = len(text)
truncated = original_len > max_chars
if truncated:
text = text[:max_chars]
return {
"path": path,
"encoding": encoding,
"content": text,
"truncated": truncated,
"length": original_len,
}
async def _vfs_write_text(args: Dict[str, Any]) -> Dict[str, Any]:
path = _require_vfs_path(args.get("path"), "path")
if path == "/":
raise ValueError("invalid_path")
encoding = str(args.get("encoding") or "utf-8")
content = str(args.get("content") or "")
data = content.encode(encoding)
await VirtualFSService.write_file(path, data)
return {"written": True, "path": path, "encoding": encoding, "bytes": len(data)}
async def _vfs_mkdir(args: Dict[str, Any]) -> Dict[str, Any]:
path = _require_vfs_path(args.get("path"), "path")
return await VirtualFSService.mkdir(path)
async def _vfs_delete(args: Dict[str, Any]) -> Dict[str, Any]:
path = _require_vfs_path(args.get("path"), "path")
return await VirtualFSService.delete(path)
async def _vfs_move(args: Dict[str, Any]) -> Dict[str, Any]:
src = _require_vfs_path(args.get("src"), "src")
dst = _require_vfs_path(args.get("dst"), "dst")
if src == "/" or dst == "/":
raise ValueError("invalid_path")
overwrite = bool(args.get("overwrite") or False)
return await VirtualFSService.move(src, dst, overwrite)
async def _vfs_copy(args: Dict[str, Any]) -> Dict[str, Any]:
src = _require_vfs_path(args.get("src"), "src")
dst = _require_vfs_path(args.get("dst"), "dst")
if src == "/" or dst == "/":
raise ValueError("invalid_path")
overwrite = bool(args.get("overwrite") or False)
return await VirtualFSService.copy(src, dst, overwrite)
async def _vfs_rename(args: Dict[str, Any]) -> Dict[str, Any]:
src = _require_vfs_path(args.get("src"), "src")
dst = _require_vfs_path(args.get("dst"), "dst")
if src == "/" or dst == "/":
raise ValueError("invalid_path")
overwrite = bool(args.get("overwrite") or False)
return await VirtualFSService.rename(src, dst, overwrite)
async def _vfs_search(args: Dict[str, Any]) -> Dict[str, Any]:
q = str(args.get("q") or "").strip()
if not q:
raise ValueError("missing_q")
mode = str(args.get("mode") or "vector")
top_k = int(args.get("top_k") or 10)
page = int(args.get("page") or 1)
page_size = int(args.get("page_size") or 10)
return await VirtualFSSearchService.search(q, top_k, mode, page, page_size)
TOOLS: Dict[str, ToolSpec] = {
"vfs_list_dir": ToolSpec(
name="vfs_list_dir",
description="浏览目录(列出 entries + pagination",
parameters={
"type": "object",
"properties": {
"path": {"type": "string", "description": "目录路径(绝对路径,如 /foo/bar"},
"page": {"type": "integer", "description": "页码(从 1 开始)"},
"page_size": {"type": "integer", "description": "每页条数"},
"sort_by": {"type": "string", "description": "排序字段name/size/mtime"},
"sort_order": {"type": "string", "description": "排序顺序asc/desc"},
},
"required": ["path"],
"additionalProperties": False,
},
requires_confirmation=False,
handler=_vfs_list_dir,
),
"vfs_stat": ToolSpec(
name="vfs_stat",
description="查看文件/目录信息size/mtime/is_dir/has_thumbnail/vector_index 等)。",
parameters={
"type": "object",
"properties": {
"path": {"type": "string", "description": "路径(绝对路径,如 /foo/bar.txt"},
},
"required": ["path"],
"additionalProperties": False,
},
requires_confirmation=False,
handler=_vfs_stat,
),
"vfs_read_text": ToolSpec(
name="vfs_read_text",
description="读取文本文件内容(解码失败视为二进制,返回 error",
parameters={
"type": "object",
"properties": {
"path": {"type": "string", "description": "文件路径(绝对路径,如 /foo/bar.md"},
"encoding": {"type": "string", "description": "文本编码(默认 utf-8"},
"max_chars": {"type": "integer", "description": "最多返回的字符数(默认 8000"},
},
"required": ["path"],
"additionalProperties": False,
},
requires_confirmation=False,
handler=_vfs_read_text,
),
"vfs_write_text": ToolSpec(
name="vfs_write_text",
description="写入文本文件内容(会覆盖目标文件)。",
parameters={
"type": "object",
"properties": {
"path": {"type": "string", "description": "文件路径(绝对路径,如 /foo/bar.md"},
"content": {"type": "string", "description": "要写入的文本内容"},
"encoding": {"type": "string", "description": "文本编码(默认 utf-8"},
},
"required": ["path", "content"],
"additionalProperties": False,
},
requires_confirmation=True,
handler=_vfs_write_text,
),
"vfs_mkdir": ToolSpec(
name="vfs_mkdir",
description="创建目录。",
parameters={
"type": "object",
"properties": {
"path": {"type": "string", "description": "目录路径(绝对路径,如 /foo/bar"},
},
"required": ["path"],
"additionalProperties": False,
},
requires_confirmation=True,
handler=_vfs_mkdir,
),
"vfs_delete": ToolSpec(
name="vfs_delete",
description="删除文件或目录(由底层适配器决定是否递归)。",
parameters={
"type": "object",
"properties": {
"path": {"type": "string", "description": "路径(绝对路径,如 /foo/bar 或 /foo/bar.txt"},
},
"required": ["path"],
"additionalProperties": False,
},
requires_confirmation=True,
handler=_vfs_delete,
),
"vfs_move": ToolSpec(
name="vfs_move",
description="移动路径(可能进入任务队列)。",
parameters={
"type": "object",
"properties": {
"src": {"type": "string", "description": "源路径(绝对路径)"},
"dst": {"type": "string", "description": "目标路径(绝对路径)"},
"overwrite": {"type": "boolean", "description": "是否允许覆盖已存在目标(默认 false"},
},
"required": ["src", "dst"],
"additionalProperties": False,
},
requires_confirmation=True,
handler=_vfs_move,
),
"vfs_copy": ToolSpec(
name="vfs_copy",
description="复制路径(可能进入任务队列)。",
parameters={
"type": "object",
"properties": {
"src": {"type": "string", "description": "源路径(绝对路径)"},
"dst": {"type": "string", "description": "目标路径(绝对路径)"},
"overwrite": {"type": "boolean", "description": "是否覆盖已存在目标(默认 false"},
},
"required": ["src", "dst"],
"additionalProperties": False,
},
requires_confirmation=True,
handler=_vfs_copy,
),
"vfs_rename": ToolSpec(
name="vfs_rename",
description="重命名路径(本质是同目录 move",
parameters={
"type": "object",
"properties": {
"src": {"type": "string", "description": "源路径(绝对路径)"},
"dst": {"type": "string", "description": "目标路径(绝对路径)"},
"overwrite": {"type": "boolean", "description": "是否允许覆盖已存在目标(默认 false"},
},
"required": ["src", "dst"],
"additionalProperties": False,
},
requires_confirmation=True,
handler=_vfs_rename,
),
"vfs_search": ToolSpec(
name="vfs_search",
description="搜索文件mode=vector 或 filename",
parameters={
"type": "object",
"properties": {
"q": {"type": "string", "description": "搜索关键词"},
"mode": {"type": "string", "description": "搜索模式vector/filename默认 vector"},
"top_k": {"type": "integer", "description": "返回数量vector 模式使用,默认 10"},
"page": {"type": "integer", "description": "页码filename 模式使用,默认 1"},
"page_size": {"type": "integer", "description": "分页大小filename 模式使用,默认 10"},
},
"required": ["q"],
"additionalProperties": False,
},
requires_confirmation=False,
handler=_vfs_search,
),
}