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ISC License
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Copyright (c) 2019, acidvegas <acid.vegas@acid.vegas>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#!/usr/bin/env python
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# mzk music theory helper - developed by acidvegas in python (https://acid.vegas/mzk)
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# constants.py
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circle = ''' major
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C
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F G
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♮
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1♭ 1♯
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a
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B♭ d c D
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2♭ 2♯
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g minor b
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E♭ 3♭ c f♯ 3♯ A
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f c♯
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4♭ 4
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A♭ b♭ g♯ E
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e♭/d♯
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5♭/7♯ 7♭/5♯
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6♭/6♯
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D♭ B
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G♭/F♯
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C♯ C♭'''
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colors = {
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'gray' : '\033[0;90m',
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'red' : '\033[0;91m',
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'green' : '\033[0;92m',
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'reset' : '\033[0m'
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}
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intervals = {
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'unison' : {'semitones':0, 'short_name':'P1' },
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'minor_second' : {'semitones':1, 'short_name':'m2' },
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'major_second' : {'semitones':2, 'short_name':'M2' },
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'minor_third' : {'semitones':3, 'short_name':'m3' },
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'major_third' : {'semitones':4, 'short_name':'M3' },
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'perfect_fourth' : {'semitones':5, 'short_name':'P4' },
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'augmented_fourth' : {'semitones':6, 'short_name':'+4' },
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'diminished_fifth' : {'semitones':6, 'short_name':'d5' },
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'perfect_fifth' : {'semitones':7, 'short_name':'P5' },
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'minor_sixth' : {'semitones':8, 'short_name':'m6' },
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'major_sixth' : {'semitones':9, 'short_name':'M6' },
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'minor_seventh' : {'semitones':10, 'short_name':'m7' },
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'major_seventh' : {'semitones':11, 'short_name':'M7' },
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'perfect_octave' : {'semitones':12, 'short_name':'8va'}
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}
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notes = ('A', 'A#', 'B', 'C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#' )
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numerals = ('I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX', 'X', 'XI', 'XII' )
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scale_degrees = ('tonic','supertonic','mediant','subdominant','dominant''submediant','subtonic')
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scales = {
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'algerian' : '2131131',
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'aeolian' : '2122122',
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'blues' : '321132',
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'chromatic' : '1111111',
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'dorian' : '2122212',
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'half_whole_diminished' : '12121212',
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'harmonic_minor' : '2122131',
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'ionian' : '2212221',
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'locrian' : '1221222',
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'lydian' : '2221221',
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'major' : '2212221',
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'major_pentatonic' : '22323',
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'melodic_minor' : '2122221',
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'mixolydian' : '2212212',
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'natural_minor' : '2122122',
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'persian' : '1311231',
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'phrygian' : '1222122',
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'whole_half_diminished' : '21212121',
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'whole_tone' : '2222222'
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}
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#!/usr/bin/env python
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# mzk music theory helper - developed by acidvegas in python (https://acid.vegas/mzk)
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# functions.py
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import constants
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def generate_notes(key):
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notes = ['A','A#','B','C','C#','D','D#','E','F','F#','G','G#']
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while notes[0] != key:
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notes.append(notes.pop(0))
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return notes
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def generate_scale(string, scale_notes, full=False):
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notes = generate_notes(string.upper())*2 if full else generate_notes(string.upper())
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notes.append(notes[0]) # add root note to the end
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for index,note in enumerate(notes):
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if note in scale_notes:
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notes[index] = notes[index].center(5, '-')
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else:
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notes[index] = '-'*5
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return notes
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def get_pattern(pattern):
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new_pattern = list()
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for step in pattern:
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if step == '1' : new_pattern.append('H')
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elif step == '2' : new_pattern.append('W')
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elif step == '3' : new_pattern.append('WH')
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return ' '.join(new_pattern)
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def scale(type, key):
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last = 0
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notes = generate_notes(key)
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scale_notes = [notes[0],]
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for step in scales[type]:
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last += int(step)
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if last >= len(notes):
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last -= len(notes)
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scale_notes.append(notes[last])
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return scale_notes
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def print_chord():
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# todo: finish this
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print('◯ ⬤ ')
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print('''╳ ╳ ╳ ╳ ╳ ╳
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┌───┬───┬───┬───┬───┐
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│ │ │ │ │ │
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├───┼───┼───┼───┼───┤
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│ │ │ │ │ │
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├───┼───┼───┼───┼───┤
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│ │ │ │ │ │
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├───┼───┼───┼───┼───┤
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│ │ │ │ │ │
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├───┼───┼───┼───┼───┤
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│ │ │ │ │ │
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└───┴───┴───┴───┴───┘
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E A D G B e''')
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def print_circle_of_fifths():
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'''
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definition:
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the relationship among the 12 tones of the chromatic scale, their corresponding key signatures, & the associated major/minor keys
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accidentals:
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sharps - F, C, G, D, A, E, B
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flats - B, E, A, D, G, C, F
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intervals:
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unison
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perfect fifth
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major sencond
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major sixth
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major third
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major seventh
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augmented fourth
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minor second
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minor sixth
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minor third
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minor seventh
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perfect fourth
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'''
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circle = constants.circle.replace('\n',' \n') + ' ' # todo: fix this
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for note in ('major','C','F','B♭','E♭','A♭','D♭','C♯','G♭/F♯','B','C♭','E','A','D','G'): # todo: reverse
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circle = circle.replace(f' {note} ', f' \033[91m{note}\033[0m ')
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for item in ('♮','1♭','2♭','3♭','4♭','5♭/7♯','6♭/6♯','7♭/5♯','4','3♯','2♯','1♯'):
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circle = circle.replace(f' {item} ', f' \033[90m{item}\033[0m ')
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for note in ('minor','a','d','g','c','f','b♭','e♭/d♯','g♯','c♯','f♯','b','c'):
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circle = circle.replace(f' {note} ', f' \033[92m{note}\033[0m ')
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print(circle)
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#print(print_circle_of_fifths.__doc__)
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def print_intervals():
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'''
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definition:
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the distance between two notes or pitches
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note:
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semitone - half step
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tone - whole step (b to c & e to f is a tone)
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types:
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harmonic interval - notes played simultaneously
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melodic interval - notes played successively
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makeup:
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quantity - distance between two notes
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quality - number of semitones between notes
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qualities:
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major/minor - 2nds, 3rds, 6ths, 7ths
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perfect - 4ths, 5ths, octaves
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diminished - minor/perfect - 1 semitone
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augmented - major/perfect + 1 semitone
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'''
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print(' I N T E R V A L S ')
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print('┌───────────┬──────────────────┬───────┐')
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print('│ semitones │ quality │ short │')
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print('├───────────┼──────────────────┼───────┤')
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for interval, info in constants.intervals.items():
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print('│ {0} │ {1} │ {2} │'.format(str(info['semitones']).rjust(9), interval.ljust(16), info['short_name'].ljust(5)))
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print('└───────────┴──────────────────┴───────┘')
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#print(print_intervals.__doc__)
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def print_scale(root, type, full=False):
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frets = (24,147) if full else (12,75)
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print(f'{root.upper()} {type.upper()} SCALE'.center(frets[1]))
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print(' ┌' + '┬'.join('─'*5 for x in range(frets[0])) + '┐')
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print('0 │' + '│'.join(str(x).center(5) for x in range(1,frets[0]+1)) + '│')
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print(' ├' + '┼'.join('─'*5 for x in range(frets[0])) + '┤')
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scale_notes = scale(type, root)
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for string in ('eBGDAE'):
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string_notes = generate_scale(string, scale_notes, full)
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print(string + ' │' + '│'.join(note.center(5, '-') for note in string_notes[1:]) + '│')
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print(' └' + '┴'.join('─'*5 for x in range(frets[0])) + '┘')
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print((', '.join(scale_notes) + ' / ' + get_pattern(scales[type])).rjust(frets[1]))
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def print_scales():
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'''
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definition:
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any set of musical notes ordered by fundamental frequency or pitch
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note:
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1 - half step
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2 - whole step
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3 - whole step half step'''
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print(' S C A L E S ')
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print('┌───────────────────────┬─────────────────┐')
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print('│ name │ intervals │')
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print('├───────────────────────┼─────────────────┤')
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for name, pattern in constants.scales.items():
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print(f'│ {name.ljust(21)} │ {get_pattern(pattern).rjust(15)} │')
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print('└───────────────────────┴─────────────────┘')
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#print(print_scales.__doc__)
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#!/usr/bin/env python
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# mzk music theory helper - developed by acidvegas in python (https://acid.vegas/mzk)
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# main.py
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import argparser
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import sys
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