def test_same_tone_different_name(self):
"""n2 has the same tone, but as an enharmonic of n1."""
n1 = note.Note('E#6', True)
n2 = note.Note('F4', True)
actual = n1.different_octave(n2)
expected = True
self.assertEqual(actual, expected)
def test_both_before_n1_before_n2(self):
"""Both notes come before C, n1 comes before n2."""
n1 = note.Note('A#6', True)
n2 = note.Note('B4', True)
actual = n1.different_octave(n2)
expected = True
self.assertEqual(actual, expected)
def test_both_before_n1_after_n2(self):
"""Both notes come before C, n1 comes after n2."""
n1 = note.Note('Cb210', True)
n2 = note.Note('A4', True)
actual = n1.different_octave(n2)
expected = False
self.assertEqual(actual, expected)
def test_both_after_n1_after_n2(self):
"""Both notes come after C, n1 comes after n2."""
n1 = note.Note('G8', True)
n2 = note.Note('Fb5', True)
actual = n1.different_octave(n2)
expected = False
self.assertEqual(actual, expected)
def test_after_C_to_before_C(self):
"""n1 has tone after C, n2 has tone before C."""
n1 = note.Note('F4', True)
n2 = note.Note('Bb3', True)
actual = n1.different_octave(n2)
expected = True
self.assertEqual(actual, expected)
def test_C(self):
"""n1 has tone C and n2 has tone != C."""
n1 = note.Note('C3', True)
n2 = note.Note('A3', True)
actual = n1.different_octave(n2)
expected = True
self.assertEqual(actual, expected)
def test_same_tone_same_name(self):
"""n2 has the same tone as n1."""
n1 = note.Note('F4', True)
n2 = note.Note('F4', True)
actual = n1.different_octave(n2)
expected = True
self.assertEqual(actual, expected)
def read_midi(filename):
"""
Returns a list of tracks.
Each track is a list containing 128 lists of notes.
"""
midi_tracks = midi.read_midifile(filename)
resolution = midi_tracks.resolution
tempo_bpm = 120.0 # may be changed repeatedly in the loop
note_tracks = []
for t_index, t in enumerate(midi_tracks):
notes_pitchwise = [[] for i in range(128)]
total_ticks = 0
for elem in t:
total_ticks += elem.tick
if elem.name in ["Note On", "Note Off"]:
pitch = elem.data[0]
if is_note_on(elem):
n = note.Note(velocity=elem.data[1],
pitch=pitch,
start_ticks=total_ticks,
track=t_index)
notes_pitchwise[pitch].append(n)
else:
for n in reversed(notes_pitchwise[pitch]):
if not n.finished:
n.end_ticks = total_ticks
n.finished = True
else:
break
elif elem.name == "Set Tempo":
tempo_bpm = elem.get_bpm()
note_tracks.append(notes_pitchwise)
return note_tracks, tempo_bpm, resolution
def parseNote(fileName):
tree = ET.parse(fileName)
enExport = tree.getroot()
noteTree = enExport[0]
title = noteTree.findall('title')[0].text
author = noteTree.findall('note-attributes')[0].findall('author')[0].text
created = noteTree.findall('created')[0].text
updated = noteTree.findall('updated')[0].text
contentStr = noteTree.findall('content')[0].text
contentStr = contentStr.replace(
"""<?xml version="1.0" encoding="UTF-8" standalone="no"?>""", "")
contentStr = contentStr.replace(
"""<!DOCTYPE en-note SYSTEM "http://xml.evernote.com/pub/enml2.dtd">""",
"")
contentTree = ET.fromstring(contentStr)
resourceListTree = noteTree.findall('resource')
noteObj = note.Note()
noteObj.author = author
noteObj.title = title
noteObj.created = created
noteObj.updated = updated
noteObj.contentTree = contentTree
noteObj.resources = resourceListTree
for tagNode in noteTree.findall('tag'):
noteObj.addTag(tagNode.text)
return noteObj
def select_all(self):
self.cur.execute(
"select noteid, notets, notetext from notes order by notets asc")
notes = []
for row in self.cur.fetchall():
notes.append((row[0], note.Note(row[2], row[1])))
return notes
def create_note(self, button):
if self.sidebar.add_item("New Note", self.id):
self.editor.set_text("")
note_item = note.Note("New Note", "", [])
parent_id = self.sidebar.get_id(self.sidebar.get_selected())
self.db[parent_id]['notes'][self.id] = note_item
self.id += 1
def new_note(self, memo: str, tags=''):
"""
Create a new note.
"""
tags = tags.split(', ')
new_note = note.Note(memo, tags)
self.notes.append(new_note)
def build_chord(self, mode: str, size: int = 3) -> None:
"""Modify self.notes to include size notes of a mode chord in the key
of self.root_note.tone.
Precondition: size > 0
>>> n = note.Note('G3', True)
>>> c = Chord(n)
>>> c.build_chord('major', 4)
>>> str(c)
'G major: G3, B3, D4, G4'
"""
# Initialize a data_set to gain access to chord writing methods.
data_set = data.Data()
self.mode = mode
self.size += size
octave = self.root_note.octave
# Append the first note to self.notes.
self.notes.append(self.root_note)
for i in range(1, size):
# Get the tone of the next note.
tone = eval(
'self.' +
data_set.chord_to_method[self.mode].format('i', 'self.key'))
n = note.Note(tone + str(octave), False)
# If next tone appears in the next octave, increment octave by 1.
if n.different_octave(self.notes[i - 1]):
n.octave += 1
octave += 1
self.notes.append(n)
def test_neutral(self):
"""The Chord is neutral."""
n = note.Note('F#4', True)
c = chord.Chord(n)
c.remove_notes('major 7')
self.assertEqual(c.notes, [])
def test_1_note_keep(self):
"""The Chord has 1 note that is NOT removed."""
n = note.Note('A#4', True)
c = chord.Chord(n)
c.build_chord('major', 1)
c.remove_notes('perfect 5')
self.assertEqual(c.notes, [n])
def test_1_note_remove(self):
"""The Chord has 1 note that is removed."""
n = note.Note('Bb2', True)
c = chord.Chord(n)
c.build_chord('minor', 1)
c.remove_notes('perfect 1')
self.assertEqual(c.notes, [])
def test_neutral(self):
"""The Chord is neutral."""
n = note.Note('G#4', True)
c = chord.Chord(n)
actual = c.is_crunchy()
expected = False
self.assertEqual(actual, expected)
def test_many_notes_no_crunch(self):
"""The Chord contains more than 1 note and none are dissonant with each other."""
n = note.Note('Gb3', True)
c = chord.Chord(n)
c.build_chord('minor', 7)
actual = c.is_crunchy()
expected = False
self.assertEqual(actual, expected)
def test_one_note(self):
"""self.notes contains 1 note."""
n = note.Note('G3', True)
c = chord.Chord(n)
c.build_chord('minor', 1)
actual = c.correct_location(0, 'C')
expected = 1
self.assertEqual(actual, expected)
def test_2_notes_no_crunch(self):
"""The Chord contains 2 notes that are NOT dissonant."""
n = note.Note('Fx4', True)
c = chord.Chord(n)
c.build_chord('augmented', 2)
actual = c.is_crunchy()
expected = False
self.assertEqual(actual, expected)
def test_many_notes_crunch(self):
"""The Chord contains more than 1 note and at least 2 are dissonant with each other."""
n = note.Note('C3', True)
c = chord.Chord(n)
c.build_chord('major suspended 4')
actual = c.is_crunchy()
expected = True
self.assertEqual(actual, expected)
def test_one_note(self):
"""The Chord contains one note."""
n = note.Note('Ab3', True)
c = chord.Chord(n)
c.build_chord('major suspended 2', 1)
actual = c.is_crunchy()
expected = False
self.assertEqual(actual, expected)
def test_2_notes_crunch(self):
"""The Chord contains 2 notes that are dissonant."""
n = note.Note('G3', True)
c = chord.Chord(n)
c.build_chord('major suspended 2', 2)
actual = c.is_crunchy()
expected = True
self.assertEqual(actual, expected)
def test_fill_no_octave(self):
"""The Chord contains more than 1 non-root note, but only 1 root octave."""
n = note.Note('Bb3', True)
c = chord.Chord(n)
c.build_chord('augmented', 3)
actual = c.is_rich()
expected = False
self.assertEqual(actual, expected)
def test_rich(self):
"""The Chord contains multiple octaves with 2 or more notes in between."""
n = note.Note('A#4', True)
c = chord.Chord(n)
c.build_chord('major suspended 24', 6)
actual = c.is_rich()
expected = True
self.assertEqual(actual, expected)
def test_one_note(self):
"""The Chord has one note."""
n = note.Note('Fx4', True)
c = chord.Chord(n)
c.build_chord('major', 1)
actual = c.is_rich()
expected = False
self.assertEqual(actual, expected)
def test_already_exists(self):
"""Notes with argument tone already exist in a Chord."""
n = note.Note('C3', True)
c = chord.Chord(n)
c.build_chord('major', 5)
actual = c.correct_location(0, 'G')
expected = 5
self.assertEqual(actual, expected)
def test_2_notes_middle(self):
"""self.notes has 2 notes and a Note with tone add_tone should be added in between the 2 notes."""
n = note.Note('B2', True)
c = chord.Chord(n)
c.build_chord('major', 2)
actual = c.correct_location(0, 'C#')
expected = 1
self.assertEqual(actual, expected)
def test_start_at_end(self):
"""Start searching from the last index in the Chord."""
n = note.Note('Ab3', True)
c = chord.Chord(n)
c.build_chord('minor', 6)
actual = c.correct_location(5, 'G')
expected = 6
self.assertEqual(actual, expected)
def test_many_notes_middle(self):
"""self.notes has more than 2 notes and a Note with tone add_tone should be added after the first pair."""
n = note.Note('C#3', True)
c = chord.Chord(n)
c.build_chord('diminished', 4)
actual = c.correct_location(0, 'F#')
expected = 2
self.assertEqual(actual, expected)
