didericis-claude
60b394e4fb
- image_cache: StaleImageError exception + check_stale/check_stale_path (raise instead of warn) - BottleBackend.launch: template method (skip_stale flag) that calls _image_stale_checks then _launch_impl - Each backend: _image_stale_checks delegates to a stale_checks() function in its launch module; _launch_impl replaces launch override - macos_container: adds image_created_at to util, cached-image support in _build_images, stale_checks - cli/start.py: catches StaleImageError, prompts interactively, retries with skip_stale=True; headless mode dies on it
43 lines
1.5 KiB
Python
43 lines
1.5 KiB
Python
"""Shared helpers for cached-image quickstart stale checks."""
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from __future__ import annotations
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from datetime import datetime, timezone
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from pathlib import Path
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try:
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from .config_store import ConfigStore
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except ImportError:
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from config_store import ConfigStore # type: ignore[import-not-found] # pylint: disable=import-error,no-name-in-module
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class StaleImageError(Exception):
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"""Raised when a cached image or artifact exceeds the configured staleness
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threshold. Callers can catch this to prompt interactively; headless paths
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let it propagate as a fatal error."""
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def check_stale(label: str, created_at: datetime) -> None:
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"""Raise StaleImageError if `created_at` is older than the configured
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stale-warning threshold. Negative threshold disables the check."""
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threshold_days = ConfigStore().cached_image_stale_warning_days()
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if threshold_days < 0:
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return
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now = datetime.now(timezone.utc)
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created = created_at.astimezone(timezone.utc)
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age = now - created
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if age.total_seconds() <= threshold_days * 86400:
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return
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raise StaleImageError(
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f"cached {label} is {age.days} day(s) old; "
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"quickstart does not verify it matches the current Dockerfile/context"
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)
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def check_stale_path(label: str, path: Path) -> None:
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"""Raise StaleImageError if `path`'s mtime exceeds the staleness threshold."""
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check_stale(label, datetime.fromtimestamp(path.stat().st_mtime, tz=timezone.utc))
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__all__ = ["StaleImageError", "check_stale", "check_stale_path"]
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