{
  "id": "python/packaging-requirement-parsing-error",
  "signature": "ERROR: packaging.requirements.InvalidRequirement: Expected end of string, got ';' in requirement 'requests>=2.25; extra == \"security\"'",
  "signature_zh": "错误：packaging.requirements.InvalidRequirement：预期字符串结尾，但需求 'requests>=2.25; extra == \"security\"' 中出现了 ';'",
  "regex": "ERROR:\\ packaging\\.requirements\\.InvalidRequirement:\\ Expected\\ end\\ of\\ string,\\ got\\ ';'\\ in\\ requirement\\ 'requests>=2\\.25;\\ extra\\ ==\\ \"security\"'",
  "domain": "python",
  "category": "data_error",
  "subcategory": null,
  "root_cause": "The requirement string uses extras syntax incorrectly; extras must be enclosed in square brackets, not separated by semicolon.",
  "root_cause_type": "generic",
  "root_cause_zh": "需求字符串错误地使用了 extras 语法；extras 必须用方括号括起来，而不是用分号分隔。",
  "versions": [
    {
      "version": "3.9",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "3.10",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Removing the semicolon and extra entirely",
      "why_fails": "Loses the conditional requirement.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "Using a comma instead of semicolon",
      "why_fails": "Comma is not valid for extras syntax.",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Use correct extras syntax with square brackets",
      "success_rate": 0.95,
      "how": "Write: 'requests[security]>=2.25' (extras inside brackets).",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use environment markers for conditional dependencies",
      "success_rate": 0.9,
      "how": "Write: 'requests>=2.25; extra == \"security\"' but note that this is for markers, not extras. For extras, use brackets.",
      "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": "2026-01-10",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}