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Krzysztof kuhy Rudnicki
c4d5631054
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The CUPS-fallback note blamed a missing pyusb when the probe was really skipped because CUPS owned the printer. It now names the real reason. run.sh installs python-pyusb for the system python3 that sudo runs. A paper misfeed blocks the usb:// backend while CUPS keeps saying "processing", and cancel leaves that backend hung so the queue never recovers. The report now flags a job whose page counter is frozen for 15 s, and a backend of a cancelled job, with a y/N offer to SIGKILL it. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01AaBRWtXXWCs3K3yPHSruUC
34 lines
1.2 KiB
Bash
Executable File
34 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
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# Depends on pyusb (USB port-status probe when CUPS owns the printer) and runs
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# as root for USB hardware queries and CUPS management.
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#
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# Imports are absolute (python_pkg.brother_printer.*), so the monorepo root must
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# be importable. sudo's env_reset drops an exported PYTHONPATH, hence passing it
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# as a sudo VAR=value argument instead.
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#
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# Usage: ./run.sh # auto-detect
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# ./run.sh <printer_ip> # network/SNMP mode
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# The tool runs under the system python3 (sudo secure_path), so pyusb must come
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# from the distro package, not a venv.
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ensure_pyusb() {
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/usr/bin/python3 -c 'import usb.core' 2>/dev/null && return 0
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if ! command -v pacman >/dev/null; then
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echo "pyusb missing and pacman not found; install python-pyusb for system python3." >&2
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exit 1
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fi
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echo "Installing python-pyusb..."
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sudo pacman -S --needed --noconfirm python-pyusb
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}
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ensure_pyusb
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if [[ $EUID -ne 0 ]]; then
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exec sudo PYTHONPATH="$REPO_ROOT" python3 -m python_pkg.brother_printer "$@"
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fi
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exec env PYTHONPATH="$REPO_ROOT" python3 -m python_pkg.brother_printer "$@"
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