{
  "schema_version": "REFERENCE-1.0",
  "as_of": "2026-10-23",
  "item": {
    "id": "METHOD-0258",
    "kind": "METHOD",
    "title": "PythonのzipfileでZIPの内容と破損候補を検査する",
    "last_verified": "2026-10-23",
    "currentness": "VERIFIED_AS_OF",
    "revision": 1,
    "requirements": [
      "Python実行環境",
      "原典と導入済みversionの対応を確認し、権限のある検証用入力・別の出力先を用意する"
    ],
    "suitable_for": "受領アーカイブを展開前に点検する場面。",
    "unsuitable_for": "信頼できないZIPを無制限に自動展開する用途。",
    "purpose": "PythonのzipfileでZIPの内容と破損候補を検査する",
    "composition": "Python",
    "shortest_path": [
      "受け取ったZIPを展開せずに開く",
      "格納名・サイズを列挙し、testzipでCRCを検査する",
      "不審なパスや極端な展開量を別に確認する"
    ],
    "verification": "検査結果と格納ファイル一覧を残し、CRC成功を安全性の保証としないことを確認します。",
    "coverage": [
      "programming language",
      "files/documents/PDF"
    ],
    "canonical_url": "https://enterprise-ai-dictionary.com/reference/methods/method-0258",
    "retrieval": "FULL",
    "publication": "PUBLIC_NO_ADS",
    "index": "INDEX",
    "ads": "OFF",
    "link_policy": "DIRECT"
  },
  "relations": [
    {
      "id": "REFREL-860d94d903728b4a",
      "subject_id": "SRC-EVID-REF-0255",
      "predicate": "supports",
      "object_id": "METHOD-0258",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0255"
      ]
    },
    {
      "id": "REFREL-f91d159f52198c38",
      "subject_id": "TOOL-0006",
      "predicate": "supports",
      "object_id": "METHOD-0258",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0255"
      ]
    },
    {
      "id": "REFREL-350e119c2fb95c50",
      "subject_id": "METHOD-0258",
      "predicate": "uses",
      "object_id": "TOOL-0006",
      "scope_note": "公開一次資料に基づく利用経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0255"
      ]
    },
    {
      "id": "REFREL-3d2fa2cc2e11c93e",
      "subject_id": "METHOD-0258",
      "predicate": "requires",
      "object_id": "IDX-C03-004",
      "scope_note": "検証・運用上の関連概念。製品の基本定義とは区別する。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0255"
      ]
    },
    {
      "id": "REFREL-39157357e208f6d0",
      "subject_id": "IDX-C03-004",
      "predicate": "explains",
      "object_id": "METHOD-0258",
      "scope_note": "利用結果の確認や運用上の注意点を読む経路。",
      "last_verified": "2026-10-23",
      "source_ids": [
        "SRC-EVID-REF-0255"
      ]
    }
  ]
}