{
  "id": "python/flask-runtimeerror-working-outside-of-request-context",
  "signature": "RuntimeError: Working outside of request context.",
  "signature_zh": "RuntimeError: 在请求上下文之外工作。",
  "regex": "RuntimeError:\\ Working\\ outside\\ of\\ request\\ context\\.",
  "domain": "python",
  "category": "runtime_error",
  "subcategory": null,
  "root_cause": "Attempting to use Flask's request object (e.g., request.args, request.form) outside of an active request context, such as in a background thread or during app initialization.",
  "root_cause_type": "generic",
  "root_cause_zh": "在活跃的请求上下文之外尝试使用 Flask 的 request 对象（例如 request.args、request.form），例如在后台线程或应用初始化期间。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Using app.request_context() manually without pushing context",
      "why_fails": "Creates context but doesn't push it, so request is still unavailable.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "Accessing request in a Celery task without context",
      "why_fails": "Celery tasks run in separate threads, lacking Flask context.",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Use app.test_request_context() to create a temporary context",
      "success_rate": 0.9,
      "how": "with app.test_request_context():\n    # access request here\n    print(request.args)",
      "condition": "",
      "sources": []
    },
    {
      "action": "Pass request data explicitly to background tasks",
      "success_rate": 0.85,
      "how": "def background_task(user_id):\n    # use passed data, not request\n    pass\n# In route:\nuser_id = request.args.get('id')\nThread(target=background_task, args=(user_id,)).start()",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-03-15",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}