247 lines
8.9 KiB
Python
Executable File
247 lines
8.9 KiB
Python
Executable File
from flask import Blueprint, abort, jsonify, request
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import logging
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import time
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from routes.utils.celery_tasks import (
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get_task_info,
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get_task_status,
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get_last_task_status,
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get_all_tasks,
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cancel_task,
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retry_task,
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redis_client,
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)
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# Configure logging
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logger = logging.getLogger(__name__)
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prgs_bp = Blueprint("prgs", __name__, url_prefix="/api/prgs")
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# (Old .prg file system removed. Using new task system only.)
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@prgs_bp.route("/<task_id>", methods=["GET"])
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def get_task_details(task_id):
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"""
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Return a JSON object with the resource type, its name (title),
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the last progress update, and, if available, the original request parameters.
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This function works with the new task ID based system.
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Args:
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task_id: A task UUID from Celery
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"""
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# Only support new task IDs
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task_info = get_task_info(task_id)
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if not task_info:
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abort(404, "Task not found")
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# Dynamically construct original_url
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dynamic_original_url = ""
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download_type = task_info.get("download_type")
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# The 'url' field in task_info stores the Spotify/Deezer URL of the item
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# e.g., https://open.spotify.com/album/albumId or https://www.deezer.com/track/trackId
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item_url = task_info.get("url")
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if download_type and item_url:
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try:
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# Extract the ID from the item_url (last part of the path)
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item_id = item_url.split("/")[-1]
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if item_id: # Ensure item_id is not empty
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base_url = request.host_url.rstrip("/")
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dynamic_original_url = (
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f"{base_url}/api/{download_type}/download/{item_id}"
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)
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else:
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logger.warning(
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f"Could not extract item ID from URL: {item_url} for task {task_id}. Falling back for original_url."
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)
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original_request_obj = task_info.get("original_request", {})
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dynamic_original_url = original_request_obj.get("original_url", "")
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except Exception as e:
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logger.error(
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f"Error constructing dynamic original_url for task {task_id}: {e}",
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exc_info=True,
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)
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original_request_obj = task_info.get("original_request", {})
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dynamic_original_url = original_request_obj.get(
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"original_url", ""
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) # Fallback on any error
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else:
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logger.warning(
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f"Missing download_type ('{download_type}') or item_url ('{item_url}') in task_info for task {task_id}. Falling back for original_url."
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)
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original_request_obj = task_info.get("original_request", {})
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dynamic_original_url = original_request_obj.get("original_url", "")
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last_status = get_last_task_status(task_id)
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status_count = len(get_task_status(task_id))
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# Default to the full last_status object, then check for the raw callback
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last_line_content = last_status
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if last_status and "raw_callback" in last_status:
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last_line_content = last_status["raw_callback"]
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response = {
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"original_url": dynamic_original_url,
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"last_line": last_line_content,
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"timestamp": time.time(),
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"task_id": task_id,
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"status_count": status_count,
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}
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if last_status and last_status.get("summary"):
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response["summary"] = last_status["summary"]
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return jsonify(response)
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@prgs_bp.route("/delete/<task_id>", methods=["DELETE"])
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def delete_task(task_id):
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"""
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Delete a task's information and history.
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Args:
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task_id: A task UUID from Celery
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"""
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# Only support new task IDs
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task_info = get_task_info(task_id)
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if not task_info:
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abort(404, "Task not found")
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cancel_task(task_id)
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redis_client.delete(f"task:{task_id}:info")
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redis_client.delete(f"task:{task_id}:status")
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return {"message": f"Task {task_id} deleted successfully"}, 200
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@prgs_bp.route("/list", methods=["GET"])
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def list_tasks():
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"""
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Retrieve a list of all tasks in the system.
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Returns a detailed list of task objects including status and metadata,
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formatted according to the callback documentation.
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By default, it returns active tasks. Use ?include_finished=true to include completed tasks.
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"""
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try:
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# Check for 'include_finished' query parameter
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include_finished_str = request.args.get("include_finished", "false")
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include_finished = include_finished_str.lower() in ["true", "1", "yes"]
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tasks = get_all_tasks(include_finished=include_finished)
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detailed_tasks = []
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for task_summary in tasks:
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task_id = task_summary.get("task_id")
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if not task_id:
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continue
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task_info = get_task_info(task_id)
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last_status = get_last_task_status(task_id)
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if task_info and last_status:
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# Start with the last status object as the base.
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# This object should conform to one of the callback types.
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task_details = last_status.copy()
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# Add essential metadata to the task details
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task_details["task_id"] = task_id
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task_details["original_request"] = task_info.get(
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"original_request", {}
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)
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task_details["created_at"] = task_info.get("created_at", 0)
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# Ensure core properties from task_info are present if not in status
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if "type" not in task_details:
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task_details["type"] = task_info.get("type", "unknown")
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if "name" not in task_details:
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task_details["name"] = task_info.get("name", "Unknown")
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if "artist" not in task_details:
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task_details["artist"] = task_info.get("artist", "")
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if "download_type" not in task_details:
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task_details["download_type"] = task_info.get(
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"download_type", "unknown"
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)
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detailed_tasks.append(task_details)
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elif (
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task_info
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): # If last_status is somehow missing, still provide some info
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detailed_tasks.append(
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{
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"task_id": task_id,
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"type": task_info.get("type", "unknown"),
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"name": task_info.get("name", "Unknown"),
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"artist": task_info.get("artist", ""),
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"download_type": task_info.get("download_type", "unknown"),
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"status": "unknown",
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"original_request": task_info.get("original_request", {}),
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"created_at": task_info.get("created_at", 0),
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"timestamp": task_info.get("created_at", 0),
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}
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)
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# Sort tasks by creation time (newest first, or by timestamp if creation time is missing)
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detailed_tasks.sort(
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key=lambda x: x.get("timestamp", x.get("created_at", 0)), reverse=True
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)
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return jsonify(detailed_tasks)
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except Exception as e:
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logger.error(f"Error in /api/prgs/list: {e}", exc_info=True)
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return jsonify({"error": "Failed to retrieve task list"}), 500
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@prgs_bp.route("/retry/<task_id>", methods=["POST"])
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def retry_task_endpoint(task_id):
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"""
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Retry a failed task.
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Args:
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task_id: The ID of the task to retry
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"""
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try:
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# First check if this is a task ID in the new system
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task_info = get_task_info(task_id)
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if task_info:
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# This is a task ID in the new system
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result = retry_task(task_id)
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return jsonify(result)
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# If not found in new system, we need to handle the old system retry
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# For now, return an error as we're transitioning to the new system
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return jsonify(
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{
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"status": "error",
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"message": "Retry for old system is not supported in the new API. Please use the new task ID format.",
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}
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), 400
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except Exception as e:
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abort(500, f"An error occurred: {e}")
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@prgs_bp.route("/cancel/<task_id>", methods=["POST"])
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def cancel_task_endpoint(task_id):
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"""
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Cancel a running or queued task.
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Args:
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task_id: The ID of the task to cancel
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"""
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try:
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# First check if this is a task ID in the new system
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task_info = get_task_info(task_id)
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if task_info:
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# This is a task ID in the new system
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result = cancel_task(task_id)
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return jsonify(result)
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# If not found in new system, we need to handle the old system cancellation
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# For now, return an error as we're transitioning to the new system
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return jsonify(
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{
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"status": "error",
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"message": "Cancellation for old system is not supported in the new API. Please use the new task ID format.",
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}
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), 400
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except Exception as e:
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abort(500, f"An error occurred: {e}")
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