def testTrillExtensionA(self):
'''Test basic wave line creation and output, as well as passing
objects through make measure calls.
'''
from music21 import stream
from music21 import note
from music21 import chord
from music21 import expressions
from music21.musicxml import m21ToXml
s = stream.Stream()
s.repeatAppend(note.Note(), 12)
n1 = s.notes[0]
n2 = s.notes[-1]
sp1 = expressions.TrillExtension(n1, n2)
s.append(sp1)
raw = m21ToXml.GeneralObjectExporter().parse(s)
self.assertEqual(raw.count(b'wavy-line'), 2)
s = stream.Stream()
s.repeatAppend(chord.Chord(['c-3', 'g4']), 12)
n1 = s.notes[0]
n2 = s.notes[-1]
sp1 = expressions.TrillExtension(n1, n2)
s.append(sp1)
raw = m21ToXml.GeneralObjectExporter().parse(s)
# s.show()
self.assertEqual(raw.count(b'wavy-line'), 2)
def testBasic(self):
from music21 import abcFormat
from music21.abcFormat import translate
from music21.musicxml import m21ToXml
af = abcFormat.ABCFile()
GEX = m21ToXml.GeneralObjectExporter()
for i, tf in enumerate(ALL):
ah = af.readstr(tf)
title = ah.getTitle()
environLocal.printDebug([title])
s = translate.abcToStreamScore(ah)
# run musicxml processing to look for internal errors
#print(repr(s.metadata._workIds['localeOfComposition']._data))
#print(s.metadata.all())
try:
unused_out = GEX.parse(s)
except UnicodeDecodeError as ude:
environLocal.warn('About to fail on ABC file #{}'.format(i))
raise ude
if title == 'D Fragment':
sharps = s.parts[0].keySignature.sharps
self.assertEqual(
sharps, 7, 'C# key signature should be parsed as 7 sharps')
def testMusicxmlOutput(self):
# test direct rendering of musicxml
from music21.musicxml import m21ToXml
d = Dynamic('p')
xmlout = m21ToXml.GeneralObjectExporter().parse(d).decode('utf-8')
match = '<p />'
self.assertTrue(xmlout.find(match) != -1, xmlout)
def write(self, obj, fmt, fp=None, subformats=None, **keywords): # pragma: no cover
from music21.musicxml import m21ToXml
### hack to make musescore excerpts -- fix with a converter class in MusicXML
if subformats is not None and 'png' in subformats:
# do not print a title or author -- to make the PNG smaller.
savedDefaultTitle = defaults.title
savedDefaultAuthor = defaults.author
defaults.title = ''
defaults.author = ''
generalExporter = m21ToXml.GeneralObjectExporter(obj)
dataBytes = generalExporter.parse()
fp = self.writeDataStream(fp, dataBytes)
if subformats is not None and 'png' in subformats:
defaults.title = savedDefaultTitle
defaults.author = savedDefaultAuthor
if (subformats is not None
and ('png' in subformats or 'pdf' in subformats)
and not str(environLocal['musescoreDirectPNGPath']).startswith('/skip')):
fp = self.runThroughMusescore(fp, subformats, **keywords)
return fp
def noteflightEmbed(outputStream):
'''
Takes in a stream outputStream, and a string title. Returns the HTML for a page
containing a noteflight
flash embed of the stream and the title title
TODO: Change javascript and noteflight embed to relate to be server-specific
>>> sc = corpus.parse('bwv7.7').measures(0, 2)
>>> (output, contentType) = alpha.webapps.templates.noteflightEmbed(sc)
>>> contentType
'text/html; charset=utf-8'
'''
from music21.musicxml import m21ToXml
musicxmlBytes = m21ToXml.GeneralObjectExporter().parse(outputStream)
musicxmlString = musicxmlBytes.decode('utf-8')
musicxmlString = musicxmlString.replace('\n', '')
musicxmlString = musicxmlString.replace('\'', '\\\'')
htmlStr = """
<html>
<head>
<title>Music21 URL App Response</title>
<script language="javascript"
src="http://web.mit.edu/music21/webapps/client/javascript/music21.js"></script>
<script>
// Event handling function
function noteflightEventHandler(e)
{
if(e.type == 'scoreDataLoaded') {
m21.noteflight.sendMusicXMLToNoteflightEmbed('nfscore', '$musicxml')
}
}
</script>
<script language="javascript">
m21 = new Music21interface();
function setup() {
m21.noteflight.createNoteflightEmbed('noteflightembed', 'nfscore',
'fc79df30896da6aa03f90ff771015913ca6880be',800, 450, 1.0);
}
</script>
</head>
<body onload="setup()">
<h1>Music21 Output</h1>
<div id="noteflightembed">
</div>
</body>
</html>
"""
htmlData = Template(htmlStr)
htmlData = htmlData.safe_substitute(musicxml=musicxmlString)
return (htmlData.encode('utf-8'), 'text/html; charset=utf-8')
def testMusicxmlDirectOut(self):
# test rendering musicxml directly from meter
from music21.musicxml import m21ToXml
ts = TimeSignature('3/8')
xmlOut = m21ToXml.GeneralObjectExporter().parse(ts).decode('utf-8')
match = '<time><beats>3</beats><beat-type>8</beat-type></time>'
xmlOut = xmlOut.replace(' ', '')
xmlOut = xmlOut.replace('\n', '')
self.assertNotEqual(xmlOut.find(match), -1)
def musicxmlText(outputStream):
'''
Takes in a stream outputStream and returns its musicxml with
content-type 'text/plain' for displaying in a browser
>>> sc = corpus.parse('bwv7.7').measures(0, 2)
>>> (output, contentType) = alpha.webapps.templates.musicxmlText(sc)
>>> contentType
'text/plain; charset=utf-8'
>>> b'score-partwise' in output
True
'''
from music21.musicxml import m21ToXml
musicxmlBytes = m21ToXml.GeneralObjectExporter().parse(outputStream)
return (musicxmlBytes, 'text/plain; charset=utf-8')
def testBasic(self):
from music21 import abcFormat
from music21.abcFormat import translate
from music21.musicxml import m21ToXml
af = abcFormat.ABCFile()
GEX = m21ToXml.GeneralObjectExporter()
for tf in ALL:
ah = af.readstr(tf)
environLocal.printDebug([ah.getTitle()])
s = translate.abcToStreamScore(ah)
# run musicxml processing to look for internal errors
unused_out = GEX.parse(s)
def musicxmlFile(outputStream):
'''
Takes in a stream outputStream and returns its musicxml with
content-type 'application/vnd.recordare.musicxml+xml' for downloading
>>> sc = corpus.parse('bwv7.7').measures(0,2)
>>> (output, contentType) = alpha.webapps.templates.musicxmlFile(sc)
>>> contentType
'application/vnd.recordare.musicxml+xml; charset=utf-8'
>>> b'score-partwise' in output
True
'''
from music21.musicxml import m21ToXml
musicxmlBytes = m21ToXml.GeneralObjectExporter().parse(outputStream)
return (musicxmlBytes, 'application/vnd.recordare.musicxml+xml; charset=utf-8')
def testQuarterToneA(self):
p1 = Pitch('D#~')
# environLocal.printDebug([p1, p1.accidental])
self.assertEqual(str(p1), 'D#~')
# test generation of raw musicxml output
xmlOut = m21ToXml.GeneralObjectExporter().parse(p1).decode('utf-8')
match = '<step>D</step><alter>1.5</alter><octave>4</octave>'
xmlOut = xmlOut.replace(' ', '')
xmlOut = xmlOut.replace('\n', '')
self.assertNotEqual(xmlOut.find(match), -1)
s = stream.Stream()
for pStr in ['A~', 'A#~', 'A`', 'A-`']:
p = Pitch(pStr)
self.assertEqual(str(p), pStr)
n = note.Note()
n.pitch = p
s.append(n)
self.assertEqual(len(s), 4)
match = [e.pitch.ps for e in s]
self.assertEqual(match, [69.5, 70.5, 68.5, 67.5])
s = stream.Stream()
alterList = [
None, 0.5, 1.5, -1.5, -0.5, 'half-sharp', 'one-and-a-half-sharp',
'half-flat', 'one-and-a-half-flat', '~'
]
sc = scale.MajorScale('c4')
for x in range(1, 10):
n = note.Note(sc.pitchFromDegree(x % sc.getDegreeMaxUnique()))
n.quarterLength = 0.5
n.pitch.accidental = Accidental(alterList[x])
s.append(n)
match = [str(n.pitch) for n in s.notes]
self.assertEqual(match, [
'C~4', 'D#~4', 'E-`4', 'F`4', 'G~4', 'A#~4', 'B`4', 'C-`4', 'D~4'
])
match = [e.pitch.ps for e in s]
self.assertEqual(
match, [60.5, 63.5, 62.5, 64.5, 67.5, 70.5, 70.5, 58.5, 62.5])
def write(self, obj, fmt, fp=None, subformats=None, **keywords):
from music21.musicxml import m21ToXml
### hack to make musescore excerpts -- fix with a converter class in MusicXML
if subformats is not None and 'png' in subformats:
savedDefaultTitle = defaults.title
savedDefaultAuthor = defaults.author
defaults.title = ''
defaults.author = ''
generalExporter = m21ToXml.GeneralObjectExporter(obj)
dataBytes = generalExporter.parse()
fp = self.writeDataStream(fp, dataBytes)
if subformats is not None and 'png' in subformats:
defaults.title = savedDefaultTitle
defaults.author = savedDefaultAuthor
if subformats is not None and 'png' in subformats:
fp = self.runThroughMusescore(fp, **keywords)
return fp
def testBasic(self):
from music21 import abcFormat
from music21.abcFormat import translate
from music21.musicxml import m21ToXml
af = abcFormat.ABCFile()
GEX = m21ToXml.GeneralObjectExporter()
for i, tf in enumerate(ALL):
ah = af.readstr(tf)
environLocal.printDebug([ah.getTitle()])
s = translate.abcToStreamScore(ah)
# run musicxml processing to look for internal errors
#print(repr(s.metadata._workIds['localeOfComposition']._data))
#print(s.metadata.all())
try:
unused_out = GEX.parse(s)
except UnicodeDecodeError as ude:
environLocal.warn("About to fail on ABC file #{}".format(i))
raise ude
def to_musicxml(self):
return m21ToXml.GeneralObjectExporter(
self.to_score()).parse().decode('utf-8')
