mirror of
https://github.com/kuhyx/steam-backlog-enforcer.git
synced 2026-11-10 20:27:03 +01:00
Krzysztof kuhy Rudnicki
356530a01c
`requires-python` and the CI pin already said 3.14, but ruff, mypy and pylint were still grading against 3.10 -- three tools judging an interpreter nothing runs any more, and ruff withholding the pyupgrade fixes that only become safe at the newer target. `pin_ci_python.py` rewrites exactly these three knobs. What the stale target was hiding: `datetime.timezone.utc` where `datetime.UTC` is now correct (UP017), `socket.timeout` where `TimeoutError` is (UP041), deprecated `typing` imports (UP035), PEP 695 `type` aliases (UP040), and ruff's stable formatter applying PEP 758 -- `except (A, B):` becomes `except A, B:`. That last one makes the source 3.14-only at the syntax level, which is what `requires-python = ">=3.14"` already promised; kuhy chose it deliberately over holding ruff a release back (2026-08-29). ruff, ruff-format, mypy --strict and pylint all clean at the new target. The two modified web/ TypeScript files are another session's in-flight work and are deliberately left unstaged. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01SfnJmxxsZ534AKk16rC2Gr
60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
"""Reading the kernel's mount table to see which blocks are live.
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``/proc/self/mountinfo`` is the source of truth rather than our own record of
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what we mounted: a bind mount can survive a crash or be removed by hand, and
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the enforcer has to reconcile against reality on every tick.
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"""
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from __future__ import annotations
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import logging
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from pathlib import Path
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logger = logging.getLogger(__name__)
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_INIT_MOUNTINFO_PATH = Path("/proc/1/mountinfo")
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MOUNTINFO_PATH = Path("/proc/self/mountinfo")
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_MOUNTINFO_MIN_FIELDS = 5
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_MOUNTPOINT_FIELD = 4
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def _unescape_mountinfo(field: str) -> str:
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"""Decode the octal escapes the kernel writes into mountinfo paths.
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Args:
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field: A raw mountinfo field.
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Returns:
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The decoded field.
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"""
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return (
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field.replace(r"\040", " ")
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.replace(r"\011", "\t")
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.replace(r"\012", "\n")
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.replace(r"\134", "\\")
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)
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def _mountpoints(path: Path) -> set[Path]:
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"""Parse *path* as mountinfo and return the mount points it lists.
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Args:
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path: A mountinfo file.
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Returns:
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Every mount point named in the file.
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"""
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try:
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raw = path.read_text(encoding="utf-8")
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except OSError, ValueError:
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logger.warning("Could not read mountinfo at %s.", path)
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return set()
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points: set[Path] = set()
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for line in raw.splitlines():
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fields = line.split(" ")
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if len(fields) < _MOUNTINFO_MIN_FIELDS:
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continue
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points.add(Path(_unescape_mountinfo(fields[_MOUNTPOINT_FIELD])))
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return points
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