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pi-multifx-pedal/scripts/generate_factory_presets.sh
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shawn c38a7b0fd8 Add main entry point + systemd services + integration tests 
New files:
  main.py                   - PedalApp: boots all subsystems in order,
                              wires MIDI/footswitch callbacks, graceful
                              teardown reverses boot order
  src/system/config.py      - YAML config loader with deep-merge
                              (separated to avoid hardware deps)
  src/system/services.py    - systemd unit generator for pedal.service
                              + multi-fx-pedal.target
  scripts/install_service.sh - copies project, creates venv, installs
                              + enables service units
  tests/test_integration.py - 41 tests: boot, routing, display sync,
                              teardown, systemd content, CLI, edge cases

Modified:
  tests/conftest.py         - add project root to sys.path
2026-06-07 23:39:50 -04:00

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#!/usr/bin/env bash
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
mkdir -p "$PROJECT_ROOT/presets/factory/bank_0"
mkdir -p "$PROJECT_ROOT/presets/factory/bank_1"
cat > "$PROJECT_ROOT/presets/factory/bank_0/bank.json" << 'BANKMETA'
{
"number": 0,
"name": "Clean & Edge",
"preset_count": 4
}
BANKMETA
cat > "$PROJECT_ROOT/presets/factory/bank_0/preset_0.json" << 'PRESET'
{
"name": "Clean Jazz",
"bank": 0,
"program": 0,
"master_volume": 0.8,
"tuner_enabled": false,
"chain": [
{"fx_type": "noise_gate", "enabled": true, "bypass": false, "params": {"threshold": 0.01}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "compressor", "enabled": true, "bypass": false, "params": {"threshold": 0.3, "ratio": 4.0, "gain": 0.8}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/clean_fender.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/twin_reverb.wav"},
{"fx_type": "reverb", "enabled": true, "bypass": false, "params": {"decay": 0.3, "mix": 0.2}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.85}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {
"reverb_mix": {"cc_number": 15, "channel": 0, "min_val": 0.0, "max_val": 1.0}
}
}
PRESET
cat > "$PROJECT_ROOT/presets/factory/bank_0/preset_1.json" << 'PRESET'
{
"name": "Edge of Breakup",
"bank": 0,
"program": 1,
"master_volume": 0.75,
"tuner_enabled": false,
"chain": [
{"fx_type": "noise_gate", "enabled": true, "bypass": false, "params": {"threshold": 0.008}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "overdrive", "enabled": true, "bypass": false, "params": {"drive": 0.3, "gain": 0.9}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/vox_ac30.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/alnico_blue.wav"},
{"fx_type": "delay", "enabled": true, "bypass": false, "params": {"time": 350.0, "feedback": 0.25, "mix": 0.2}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.8}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {}
}
PRESET
cat > "$PROJECT_ROOT/presets/factory/bank_0/preset_2.json" << 'PRESET'
{
"name": "Clean with Chorus",
"bank": 0,
"program": 2,
"master_volume": 0.78,
"tuner_enabled": false,
"chain": [
{"fx_type": "noise_gate", "enabled": true, "bypass": false, "params": {"threshold": 0.01}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/roland_jc120.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/jc120_ir.wav"},
{"fx_type": "chorus", "enabled": true, "bypass": false, "params": {"rate": 0.35, "depth": 0.5, "mix": 0.4}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "reverb", "enabled": true, "bypass": false, "params": {"decay": 0.4, "mix": 0.25}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.82}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {}
}
PRESET
cat > "$PROJECT_ROOT/presets/factory/bank_0/preset_3.json" << 'PRESET'
{
"name": "Dynamic Fingerstyle",
"bank": 0,
"program": 3,
"master_volume": 0.72,
"tuner_enabled": false,
"chain": [
{"fx_type": "compressor", "enabled": true, "bypass": false, "params": {"threshold": 0.25, "ratio": 6.0, "gain": 0.7}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "boost", "enabled": true, "bypass": false, "params": {"gain_db": 3.0}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/fender_twin.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/american_2x12.wav"},
{"fx_type": "reverb", "enabled": true, "bypass": false, "params": {"decay": 0.5, "mix": 0.3}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.78}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {}
}
PRESET
cat > "$PROJECT_ROOT/presets/factory/bank_1/bank.json" << 'BANKMETA'
{
"number": 1,
"name": "Drive & Lead",
"preset_count": 4
}
BANKMETA
cat > "$PROJECT_ROOT/presets/factory/bank_1/preset_0.json" << 'PRESET'
{
"name": "Classic Rock",
"bank": 1,
"program": 0,
"master_volume": 0.7,
"tuner_enabled": false,
"chain": [
{"fx_type": "noise_gate", "enabled": true, "bypass": false, "params": {"threshold": 0.015}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "overdrive", "enabled": true, "bypass": false, "params": {"drive": 0.55, "gain": 0.8}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/marshall_plexi.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/greenback_4x12.wav"},
{"fx_type": "delay", "enabled": true, "bypass": false, "params": {"time": 380.0, "feedback": 0.3, "mix": 0.25}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.75}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {
"drive": {"cc_number": 14, "channel": 0, "min_val": 0.0, "max_val": 1.0}
}
}
PRESET
cat > "$PROJECT_ROOT/presets/factory/bank_1/preset_1.json" << 'PRESET'
{
"name": "Lead Solo",
"bank": 1,
"program": 1,
"master_volume": 0.85,
"tuner_enabled": false,
"chain": [
{"fx_type": "noise_gate", "enabled": true, "bypass": false, "params": {"threshold": 0.02}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "compressor", "enabled": true, "bypass": false, "params": {"threshold": 0.4, "ratio": 3.0, "gain": 1.2}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "overdrive", "enabled": true, "bypass": false, "params": {"drive": 0.7, "gain": 0.7}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "distortion", "enabled": true, "bypass": false, "params": {"drive": 0.6, "gain": 0.6}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/5150_stealth.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/v30_4x12.wav"},
{"fx_type": "delay", "enabled": true, "bypass": false, "params": {"time": 450.0, "feedback": 0.35, "mix": 0.35}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "reverb", "enabled": true, "bypass": false, "params": {"decay": 0.6, "mix": 0.3}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.9}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {
"delay_feedback": {"cc_number": 18, "channel": 1, "min_val": 0.0, "max_val": 1.0}
}
}
PRESET
cat > "$PROJECT_ROOT/presets/factory/bank_1/preset_2.json" << 'PRESET'
{
"name": "Metal Rhythm",
"bank": 1,
"program": 2,
"master_volume": 0.65,
"tuner_enabled": false,
"chain": [
{"fx_type": "noise_gate", "enabled": true, "bypass": false, "params": {"threshold": 0.03}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "boost", "enabled": true, "bypass": false, "params": {"gain_db": 8.0}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "distortion", "enabled": true, "bypass": false, "params": {"drive": 0.8, "gain": 0.5}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/peavey_6505.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/v30_4x12.wav"},
{"fx_type": "eq", "enabled": true, "bypass": false, "params": {"bass": 0.6, "mid": 0.3, "treble": 0.7}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.7}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {}
}
PRESET
cat > "$PROJECT_ROOT/presets/factory/bank_1/preset_3.json" << 'PRESET'
{
"name": "Ambient Wash",
"bank": 1,
"program": 3,
"master_volume": 0.72,
"tuner_enabled": false,
"chain": [
{"fx_type": "compressor", "enabled": true, "bypass": false, "params": {"threshold": 0.3, "ratio": 4.0, "gain": 0.9}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "nam_amp", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "factory/fender_twin.nam", "ir_file_path": ""},
{"fx_type": "ir_cab", "enabled": true, "bypass": false, "params": {}, "nam_model_path": "", "ir_file_path": "factory/american_2x12.wav"},
{"fx_type": "phaser", "enabled": true, "bypass": false, "params": {"rate": 0.2, "depth": 0.6, "feedback": 0.4}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "chorus", "enabled": true, "bypass": false, "params": {"rate": 0.3, "depth": 0.7, "mix": 0.5}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "delay", "enabled": true, "bypass": false, "params": {"time": 500.0, "feedback": 0.4, "mix": 0.35}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "reverb", "enabled": true, "bypass": false, "params": {"decay": 0.8, "mix": 0.4}, "nam_model_path": "", "ir_file_path": ""},
{"fx_type": "volume", "enabled": true, "bypass": false, "params": {"level": 0.78}, "nam_model_path": "", "ir_file_path": ""}
],
"midi_mappings": {}
}
PRESET
echo "Factory presets generated:"
find "$PROJECT_ROOT/presets/factory" -name '*.json' | sort
echo ""
echo "Total: $(find "$PROJECT_ROOT/presets/factory" -name 'preset_*.json' | wc -l) presets across $(find "$PROJECT_ROOT/presets/factory" -name 'bank.json' | wc -l) banks"
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