wehub-resource-sync
49b9bb6724
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48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
from typing import Annotated
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from pydantic import BaseModel
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from mcp.server import MCPServer
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from mcp.server.mcpserver import (
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AcceptedElicitation,
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CancelledElicitation,
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DeclinedElicitation,
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Elicit,
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ElicitationResult,
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Resolve,
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)
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mcp = MCPServer("Files")
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_FOLDERS: dict[str, list[str]] = {"/tmp/empty": [], "/tmp/project": ["main.py", "README.md"]}
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class Confirm(BaseModel):
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ok: bool
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async def confirm_delete(path: str) -> Confirm | Elicit[Confirm]:
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"""Resolver: ask for confirmation only when the folder is not empty."""
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file_count = len(_FOLDERS.get(path, []))
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if file_count == 0:
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return Confirm(ok=True) # nothing to confirm, no round-trip to the client
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return Elicit(f"{path} has {file_count} file(s). Delete anyway?", Confirm)
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@mcp.tool()
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async def delete_folder(
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path: str,
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confirm: Annotated[ElicitationResult[Confirm], Resolve(confirm_delete)],
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) -> str:
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"""Delete a folder, asking for confirmation when it is not empty."""
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match confirm:
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case AcceptedElicitation(data=Confirm(ok=True)):
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_FOLDERS.pop(path, None)
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return f"deleted {path}"
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case AcceptedElicitation():
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return "kept the folder"
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case DeclinedElicitation():
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return "declined: folder not deleted"
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case CancelledElicitation():
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return "cancelled: folder not deleted"
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