mirror of
https://github.com/kennethreitz/pytheory.git
synced 2026-06-05 23:00:20 +00:00
kennethreitz
da40189845
New features:
- Key.signature — sharps/flats count and accidental names
- Key.borrowed_chords — modal interchange from parallel key
- Key.random_progression(n) — weighted random diatonic progressions
- Chord.from_intervals("C", 4, 7) — build from root + semitones
- Chord.from_midi_message(60, 64, 67) — build from MIDI note numbers
- Chord.add_tone(tone) / remove_tone("B") — modify chords immutably
- Tone.letter — "C" from "C#" (letter without accidental)
- Fretboard.scale_diagram(scale) — ASCII neck diagram
- analyze_progression([chords], key="C") → ["I", "vi", "IV", "V"]
443 tests.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>