Adds workshop_paths.cache_path(steam_id) returning
$LEFT4ME_ROOT/workshop_cache/{steam_id}.vpk with digit-only validation.
Adds overlay_creation.generate_overlay_path(id) and
create_overlay_directory(overlay) with exist_ok=False so a stray dir from a
prior failed delete surfaces loudly instead of shadowing fresh content.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
24 lines
686 B
Python
24 lines
686 B
Python
"""Cache-path helpers for workshop content.
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The cache lives at `$LEFT4ME_ROOT/workshop_cache/{steam_id}.vpk`. Steam IDs
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are validated digit-only here so callers don't need to guard separately.
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"""
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from __future__ import annotations
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import re
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from pathlib import Path
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from l4d2host.paths import get_left4me_root
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_NUMERIC_ID_RE = re.compile(r"^\d+$")
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def workshop_cache_root() -> Path:
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return get_left4me_root() / "workshop_cache"
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def cache_path(steam_id: str) -> Path:
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if not isinstance(steam_id, str) or not _NUMERIC_ID_RE.fullmatch(steam_id):
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raise ValueError(f"steam_id must be digits only: {steam_id!r}")
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return workshop_cache_root() / f"{steam_id}.vpk"
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