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https://git.srhtnin.garden/sarah/SaraSort.git
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sarahandClaude Opus 5.5
f7ed23edf9
Flowchart of inputs/outputs with editable arrows, service page (status, controls, autostart, version, logs), config editor (form + raw), templates, tools (warnings, filename tester, failed files) and settings with SaraFem-compatible export/import. AppImage build and a SaraSuite manifest in Packaging/. Co-Authored-By: Claude Opus 5.5 <[email protected]>
82 lines
3.0 KiB
Python
82 lines
3.0 KiB
Python
"""SaraSortd's systemd user unit: status, start/stop/restart, autostart, and
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its journal. SaraSortd's own log files are read from its LogDir."""
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import subprocess
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from dataclasses import dataclass
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from pathlib import Path
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from Core import ChildEnvironment
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@dataclass
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class ServiceStatus:
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Active: str = "unknown" # active, inactive, failed, activating, ...
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Sub: str = "" # running, dead, ...
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Enabled: str = "unknown" # enabled, disabled, ...
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Pid: str = ""
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Since: str = ""
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Found: bool = False
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@property
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def Running(self) -> bool:
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return self.Active in ("active", "activating", "reloading")
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def _Run(Arguments: list[str], Timeout: int = 15) -> subprocess.CompletedProcess:
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return subprocess.run(Arguments, capture_output=True, text=True, timeout=Timeout, env=ChildEnvironment())
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def Status(Unit: str) -> ServiceStatus:
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try:
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Result = _Run(["systemctl", "--user", "show", Unit,
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"-p", "LoadState,ActiveState,SubState,UnitFileState,MainPID,ActiveEnterTimestamp"])
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except (OSError, subprocess.SubprocessError):
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return ServiceStatus()
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Values = dict(Line.split("=", 1) for Line in Result.stdout.splitlines() if "=" in Line)
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return ServiceStatus(
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Active=Values.get("ActiveState", "unknown"),
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Sub=Values.get("SubState", ""),
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Enabled=Values.get("UnitFileState", "") or "unknown",
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Pid=Values.get("MainPID", "") if Values.get("MainPID") != "0" else "",
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Since=Values.get("ActiveEnterTimestamp", ""),
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Found=Values.get("LoadState") == "loaded",
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)
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def Control(Unit: str, Action: str) -> str:
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"""Action: start, stop, restart, enable, disable. Returns "" or an error."""
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try:
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Result = _Run(["systemctl", "--user", Action, Unit])
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except (OSError, subprocess.SubprocessError) as Error:
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return str(Error)
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return "" if Result.returncode == 0 else (Result.stderr.strip() or f"systemctl {Action} failed")
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def RestartIfRunning(Unit: str) -> str:
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"""For after a GlobalConf.toml change: SaraSortd only reads it at start."""
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if not Status(Unit).Running:
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return ""
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return Control(Unit, "restart")
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def Journal(Unit: str, Lines: int) -> list[str]:
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try:
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Result = _Run(["journalctl", "--user", "-u", Unit, "-n", str(Lines), "--no-pager", "-o", "short-iso"])
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except (OSError, subprocess.SubprocessError) as Error:
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return [f"Couldn't read the journal: {Error}"]
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return Result.stdout.splitlines() or [Result.stderr.strip() or "(empty)"]
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def LogFiles(LogDir: Path) -> list[Path]:
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"""Newest first."""
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if not LogDir.is_dir():
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return []
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return sorted((Item for Item in LogDir.iterdir() if Item.is_file()), key=lambda Item: Item.stat().st_mtime, reverse=True)
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def ReadTail(FilePath: Path, Lines: int) -> list[str]:
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try:
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return FilePath.read_text(encoding="utf-8", errors="replace").splitlines()[-Lines:]
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except OSError as Error:
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return [f"Couldn't read {FilePath}: {Error}"]
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