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108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""Get task info MCP tool."""
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import logging
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from datetime import datetime, timezone
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from fastmcp import Context
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from superset_core.mcp.decorators import tool, ToolAnnotations
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from superset.daos.tasks import TaskDAO
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from superset.extensions import event_logger
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from superset.mcp_service.mcp_core import ModelGetInfoCore
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from superset.mcp_service.task.schemas import (
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GetTaskInfoRequest,
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serialize_task_object,
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TaskError,
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TaskInfo,
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)
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logger = logging.getLogger(__name__)
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@tool(
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tags=["discovery"],
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class_permission_name="Task",
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annotations=ToolAnnotations(
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title="Get task info",
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readOnlyHint=True,
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destructiveHint=False,
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),
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)
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async def get_task_info(
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request: GetTaskInfoRequest,
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ctx: Context,
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) -> TaskInfo | TaskError:
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"""Get details for a single async task by ID or UUID.
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Returns task_type, status, scope, and timestamps for the specified task.
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Non-admin users can only retrieve tasks they are subscribed to.
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Use list_tasks to discover task IDs and UUIDs.
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Example usage:
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```json
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{"identifier": 42}
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```
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Or with UUID:
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```json
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{"identifier": "a1b2c3d4-5678-90ab-cdef-1234567890ab"}
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```
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"""
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await ctx.info("Retrieving task: identifier=%s" % (request.identifier,))
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try:
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with event_logger.log_context(action="mcp.get_task_info.lookup"):
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# ModelGetInfoCore handles int ID and UUID string automatically.
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# TaskDAO.base_filter (TaskFilter) enforces subscription-based access.
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get_tool = ModelGetInfoCore(
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dao_class=TaskDAO,
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output_schema=TaskInfo,
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error_schema=TaskError,
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serializer=serialize_task_object,
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supports_slug=False,
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logger=logger,
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)
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result = get_tool.run_tool(request.identifier)
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if isinstance(result, TaskInfo):
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await ctx.info(
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"Task retrieved: id=%s, task_type=%s, status=%s"
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% (result.id, result.task_type, result.status)
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)
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else:
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await ctx.warning(
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"Task retrieval failed: error_type=%s, error=%s"
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% (result.error_type, result.error)
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)
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return result
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except Exception as e:
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await ctx.error(
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"Task retrieval failed: identifier=%s, error=%s, error_type=%s"
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% (request.identifier, str(e), type(e).__name__)
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)
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return TaskError(
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error=f"Failed to get task info: {str(e)}",
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error_type="InternalError",
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timestamp=datetime.now(timezone.utc),
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)
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