8d94a52942
No speech recogniser is in Debian, so installing bandsaunter from a .deb left transcription to a manual pip step on every machine. A repository of one's own is not bound by archive policy, so build-repo.sh now packages faster-whisper and the base.en model alongside the application: bandsaunter the application (Architecture: all) bandsaunter-transcribe faster-whisper, vendored (amd64) bandsaunter-model-base-en the model, so nothing reaches the network The wheels land in /usr/lib/bandsaunter/vendor rather than dist-packages, and transcribe.py appends that directory to sys.path -- appends, so an apt-managed numpy or PyYAML still wins and the vendor copy only fills the gap. Duplicates of what Debian already ships are stripped from the tree. resolve_model() turns a bare "base.en" into the packaged copy when one is installed, and leaves it alone to be downloaded when none is. The app package recommends the other two, so "apt install bandsaunter" brings the lot and --no-install-recommends still gets just the scanner. Its postinst explains how to add a recogniser only when there genuinely is not one -- including the case where apt has already unpacked the recogniser package but not yet configured it. Verified with the source tree hidden and no home directory: the packaged CLI runs, and a real recording transcribes offline from the vendored engine and packaged model while numpy still resolves to the system one. apt itself resolves the repository over HTTP and plans all three. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
109 lines
4.1 KiB
Bash
Executable file
109 lines
4.1 KiB
Bash
Executable file
#!/bin/sh
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# Build a .deb that pulls in every dependency through apt.
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#
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# Deliberately plain dpkg-deb rather than debhelper: everything this package
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# needs is already in Debian, the payload is pure Python with no compiled
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# parts, and this way the build needs nothing installed beyond dpkg itself.
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set -eu
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here=$(cd "$(dirname "$0")/.." && pwd)
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version=$(cd "$here" && python3 -c 'import bandsaunter; print(bandsaunter.debian_version())')
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revision=${DEB_REVISION:-1}
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arch=all
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stage=$(mktemp -d)
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trap 'rm -rf "$stage"' EXIT
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pkgdir="$stage/bandsaunter_${version}-${revision}_${arch}"
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site="$pkgdir/usr/lib/python3/dist-packages"
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mkdir -p "$site/bandsaunter" "$pkgdir/usr/bin" "$pkgdir/DEBIAN" \
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"$pkgdir/usr/share/doc/bandsaunter"
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cp "$here"/bandsaunter/*.py "$site/bandsaunter/"
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cp "$here/README.md" "$pkgdir/usr/share/doc/bandsaunter/"
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gzip -9n "$pkgdir/usr/share/doc/bandsaunter/README.md"
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cat > "$pkgdir/usr/bin/bandsaunter" <<'EOF'
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#!/usr/bin/python3
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import sys
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from bandsaunter.cli import main
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sys.exit(main())
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EOF
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chmod 755 "$pkgdir/usr/bin/bandsaunter"
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# Every one of these is in Debian, so apt resolves the lot. No speech
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# recogniser is packaged for Debian, so that part ships as its own package
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# (built by build-repo.sh) and is recommended rather than depended on: apt
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# pulls it in from the repository, and a bare "dpkg -i" of this file still
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# installs, without transcription.
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cat > "$pkgdir/DEBIAN/control" <<EOF
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Package: bandsaunter
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Version: ${version}-${revision}
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Section: hamradio
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Priority: optional
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Architecture: ${arch}
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Depends: python3 (>= 3.10), python3-numpy, python3-scipy, python3-rich,
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python3-yaml, librtlsdr0
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Recommends: bandsaunter-transcribe, espeak-ng
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Suggests: rtl-sdr
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Maintainer: bandsaunter
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Installed-Size: $(du -ks "$pkgdir" | cut -f1)
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Description: signal scanner and recorder for RTL-SDR receivers
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Sweeps any set of frequency ranges, or presets from a built-in US band plan,
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records what it finds and works out what kind of signal it was.
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.
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Captures are kept only if they carry voice, decodable CW or an identified
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digital keying scheme, so static and interference are discarded rather than
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filling the disk. CW is decoded to text, and speech can be transcribed when
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a recogniser is installed.
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EOF
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cat > "$pkgdir/DEBIAN/postinst" <<'EOF'
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#!/bin/sh
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set -e
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if [ "$1" = configure ]; then
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# The DVB-T driver claims the dongle on sight and has to be kept off it.
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if [ ! -e /etc/modprobe.d/blacklist-rtlsdr.conf ]; then
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echo 'blacklist dvb_usb_rtl28xxu' > /etc/modprobe.d/blacklist-rtlsdr.conf
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echo 'bandsaunter: blacklisted dvb_usb_rtl28xxu; unplug and replug the'
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echo ' receiver, or run: sudo rmmod dvb_usb_rtl28xxu'
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fi
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# Said once, at install time, only when there is genuinely nothing to
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# transcribe with -- otherwise the recogniser package has already
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# arrived and there is nothing to explain.
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if ! python3 -c 'import importlib.util as u, sys
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sys.path.append("/usr/lib/bandsaunter/vendor")
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try:
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found = any(u.find_spec(m) for m in
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("faster_whisper", "whisper", "vosk", "pocketsphinx"))
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except Exception:
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found = True # something is there, however unhappy; say nothing
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sys.exit(0 if found else 1)' \
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2>/dev/null; then
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echo 'bandsaunter: speech transcription is unavailable -- no recogniser'
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echo ' is installed. Scanning, recording and CW decoding all'
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echo ' work without one. To add transcription, either:'
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echo ' apt install bandsaunter-transcribe'
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echo ' (from the repository this package came from), or'
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echo ' pip install --break-system-packages faster-whisper'
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echo ' Then: bandsaunter transcribe --engines'
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fi
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fi
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exit 0
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EOF
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chmod 755 "$pkgdir/DEBIAN/postinst"
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cat > "$pkgdir/DEBIAN/prerm" <<'EOF'
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#!/bin/sh
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set -e
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if [ "$1" = remove ] || [ "$1" = purge ]; then
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rm -f /etc/modprobe.d/blacklist-rtlsdr.conf
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fi
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exit 0
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EOF
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chmod 755 "$pkgdir/DEBIAN/prerm"
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out=${1:-$here/dist}
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mkdir -p "$out"
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fakeroot dpkg-deb --build "$pkgdir" "$out" >/dev/null
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echo "$out/bandsaunter_${version}-${revision}_${arch}.deb"
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