def display_fretboard(curr_string, curr_note):
open_strings = ['e', 'b', 'g', 'd', 'a', 'e']
open_string_positions = [24, 19, 15, 10, 5, 0]
output = '0 1 2 3 4 5 6 7 8 9 10 11 12 \n';
str_i = 1
for open_string in open_strings:
output += open_string + ' '
is_curr_note_open = False
for note_index in range(
first_fret_position(open_string_positions, str_i),
twelfth_fret_position(open_string_positions, str_i)):
if get_index(curr_string, curr_note) == open_string_positions[str_i - 1]:
is_curr_note_open = True
if str_i == curr_string and is_curr_note_open and note_index == open_string_positions[str_i - 1] + 12:
output += curr_note + ' '
is_curr_note_open = False
elif str_i == curr_string and get_index(curr_string, curr_note) == note_index :
output += curr_note + ' '
else:
output += '| '
output += '\n'
str_i += 1
return output
def test_get_index(self):
self.assertEqual(get_index(0, 0), -1)
# Open E
self.assertEqual(get_index(6, 'E'), 12)
self.assertEqual(get_index(6, 'F'), 1)
self.assertEqual(get_index(6, 'D#/Eb'), 11)
# Open A
self.assertEqual(get_index(5, 'A'), 17)
self.assertEqual(get_index(5, 'F'), 13)
self.assertEqual(get_index(5, 'F#/Gb'), 14)
self.assertEqual(get_index(5, 'G'), 15)
self.assertEqual(get_index(5, 'G#/Ab'), 16)
self.assertEqual(get_index(5, 'A'), 17)
# Open D
self.assertEqual(get_index(4, 'D'), 22)
self.assertEqual(get_index(4, 'D#/Eb'), 11)
self.assertEqual(get_index(4, 'E'), 12)
self.assertEqual(get_index(4, 'F'), 13)
self.assertEqual(get_index(4, 'F#/Gb'), 14)
self.assertEqual(get_index(4, 'G'), 15)
self.assertEqual(get_index(4, 'G#/Ab'), 16)
self.assertEqual(get_index(4, 'A'), 17)
self.assertEqual(get_index(4, 'A#/Bb'), 18)
self.assertEqual(get_index(4, 'B'), 19)
self.assertEqual(get_index(4, 'C'), 20)
self.assertEqual(get_index(4, 'C#/Db'), 21)
# Open G
self.assertEqual(get_index(3, 'G'), 27)
self.assertEqual(get_index(3, 'G#/Ab'), 16)
self.assertEqual(get_index(3, 'A'), 17)
self.assertEqual(get_index(3, 'A#/Bb'), 18)
self.assertEqual(get_index(3, 'B'), 19)
self.assertEqual(get_index(3, 'C'), 20)
self.assertEqual(get_index(3, 'C#/Db'), 21)
self.assertEqual(get_index(3, 'D'), 22)
self.assertEqual(get_index(3, 'D#/Eb'), 23)
self.assertEqual(get_index(3, 'E'), 24)
self.assertEqual(get_index(3, 'F'), 25)
self.assertEqual(get_index(3, 'F#/Gb'), 26)
# Open B
self.assertEqual(get_index(2, 'B'), 31)
self.assertEqual(get_index(2, 'C'), 20)
self.assertEqual(get_index(2, 'C#/Db'), 21)
self.assertEqual(get_index(2, 'D'), 22)
self.assertEqual(get_index(2, 'D#/Eb'), 23)
self.assertEqual(get_index(2, 'E'), 24)
self.assertEqual(get_index(2, 'F'), 25)
self.assertEqual(get_index(2, 'F#/Gb'), 26)
self.assertEqual(get_index(2, 'G'), 27)
self.assertEqual(get_index(2, 'G#/Ab'), 28)
self.assertEqual(get_index(2, 'A'), 29)
self.assertEqual(get_index(2, 'A#/Bb'), 30)
# Open E
self.assertEqual(get_index(1, 'E'), 36)
self.assertEqual(get_index(1, 'F'), 25)
self.assertEqual(get_index(1, 'F#/Gb'), 26)
self.assertEqual(get_index(1, 'G'), 27)
self.assertEqual(get_index(1, 'G#/Ab'), 28)
self.assertEqual(get_index(1, 'A'), 29)
self.assertEqual(get_index(1, 'A#/Bb'), 30)
self.assertEqual(get_index(1, 'B'), 31)
self.assertEqual(get_index(1, 'C'), 32)
self.assertEqual(get_index(1, 'C#/Db'), 33)
self.assertEqual(get_index(1, 'D'), 34)
self.assertEqual(get_index(1, 'D#/Eb'), 35)
def get_file(self, current_string, note):
return self.files[get_index(
self.zero_based_string_to_string_number(current_string), note)]
def get_file(self, current_string, note):
return self.files[get_index(
self.zero_based_string_to_string_number(current_string), note)]