H1K0
dd77de00d0
Adds src/chord_parser.py with parse_chord_symbol() → ChordTokens. Handles all 18 qualities (including Unicode °/Δ/ø variants and alternative spellings), shorthand expansion (maj9 → maj7+ext9, C9 → 7+ext9, etc.), slash chords, and flat→sharp root normalization. Raises ChordParseError with a descriptive message on bad input. Adds tests/test_chord_parser.py: 90 tests covering all qualities, all 7 extension values (including shorthands), slash chords, root normalization, all §4.6 spec examples, and 10 invalid-input cases. Adds requirements.txt with project dependencies. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
8 lines
57 B
Plaintext
8 lines
57 B
Plaintext
torch
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music21
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pretty_midi
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pytest
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matplotlib
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numpy
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pandas
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