mirror of
https://github.com/MacRimi/ProxMenux.git
synced 2026-10-08 06:26:39 +00:00
52 lines
2.2 KiB
Python
52 lines
2.2 KiB
Python
 
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"""The downloaded OCI images an installation was created from: the container
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does not need them once it exists, so the user may delete them."""
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from __future__ import annotations
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import json
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import subprocess
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import sys
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from pathlib import Path
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from typing import Any
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from . import console
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from .i18n import translate
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PROJECT_ROOT = Path(__file__).resolve().parents[2]
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def _cache(command: str, vmids: list[int]) -> dict[str, Any] | None:
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result = subprocess.run([sys.executable, str(PROJECT_ROOT / "remote" / "oci_image_cache.py"), command,
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*map(str, vmids)], capture_output=True, text=True, check=False)
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try:
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return json.loads(result.stdout) if result.returncode == 0 else None
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except ValueError:
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return None
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def size_text(size: int) -> str:
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return f"{size / 1024**3:.1f} GB" if size >= 1024**3 else f"{max(1, round(size / 1024**2))} MB"
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def offer_removal(ui, vmids: list[int]) -> tuple[bool, str | None]:
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"""Asks whether to delete the images of these installations. Returns whether
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the question was shown and the line to report when they were deleted."""
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listed = _cache("list", vmids)
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archives = (listed or {}).get("archives") or []
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if not archives:
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return False, None
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total = size_text(sum(item["size"] for item in archives))
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if len(archives) == 1:
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text = (f"{translate('The container was created from a downloaded OCI image')} ({total}). "
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f"{translate('The container does not need it any more; an update downloads the new version when there is one.')}"
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f"\n\n{translate('Delete the image to free the space?')}")
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else:
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text = (f"{translate('The containers were created from downloaded OCI images')} ({len(archives)}, {total}). "
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f"{translate('The containers do not need them any more; an update downloads the new versions when there are any.')}"
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f"\n\n{translate('Delete the images to free the space?')}")
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if not console.ask_yes_no(text, True):
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return True, None
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removed = _cache("remove", vmids)
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if not removed or not removed.get("freed"):
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return True, None
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return True, f"{translate('Downloaded OCI images deleted:')} {size_text(removed['freed'])}"
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