def add_source(sourceDesc, adi):
existing = sourceDesc.getDocument().getElementById(adi[3])
if not existing:
source = MeiElement('source')
source.id = adi[3]
source.addAttribute('type', adi[1])
sourceDesc.addChild(source)
def test_getattributeval(self):
measure = MeiElement("measure")
staff = MeiElement("staff")
measure.addAttribute("n", "2")
self.assertEqual(utilities.get_attribute_val(measure, "n"), "2")
self.assertEqual(utilities.get_attribute_val(staff, "n", "1"), "1")
def make_invisible_space(MEI_tree, handle_mRest=False):
"""Turns all invisible notes, rests and mRests into
<space> elements.
"""
all_note_rest = MEI_tree.getDescendantsByName('note rest')
all_mRest = MEI_tree.getDescendantsByName('mRest')
# Replace notes and rests with spaces
for item in all_note_rest:
try:
if item.getAttribute('visible').getValue() == 'false':
space = MeiElement('space')
attributes = item.getAttributes()
for attr in attributes:
# Don't add octave or pitch attributes to space
if attr.getName() not in ['oct', 'pname']:
space.addAttribute(attr)
# If mRest, calculate duration here?
parent = item.getParent()
parent.addChildBefore(item, space)
parent.removeChild(item)
except: # doesn't have attribute `visible`
pass
# Replace mRests with nothing -- just remove them
# Not currently supported by MEItoVexFlow
if handle_mRest:
for item in all_mRest:
try:
if item.getAttribute('visible').getValue() == 'false':
item.getParent().removeChild(item)
except: # doesn't have attribute `visible`
pass
def _create_graphic_element(self, imgfile):
graphic = MeiElement("graphic")
# xlink = MeiNamespace("xlink", "http://www.w3.org/1999/xlink")
# ns_attr = MeiAttribute("xlink")
graphic.addAttribute("xmlns:xlink", "http://www.w3.org/1999/xlink")
graphic.addAttribute("xlink:href", imgfile)
return graphic
def _create_staff_group(self, sg_list, staff_grp, n):
'''
Recursively create the staff group element from the parsed
user input of the staff groupings
'''
if not sg_list:
return staff_grp, n
else:
if type(sg_list[0]) is list:
new_staff_grp, n = self._create_staff_group(sg_list[0], MeiElement('staffGrp'), n)
staff_grp.addChild(new_staff_grp)
else:
# check for barthrough character
if sg_list[0][-1] == '|':
# the barlines go through all the staves in the staff group
staff_grp.addAttribute('barthru', 'true')
# remove the barthrough character, should now only be an integer
sg_list[0] = sg_list[0][:-1]
n_staff_defs = int(sg_list[0])
# get current staffDef number
for i in range(n_staff_defs):
staff_def = MeiElement('staffDef')
staff_def.addAttribute('n', str(n + i + 1))
staff_grp.addChild(staff_def)
n += n_staff_defs
return self._create_staff_group(sg_list[1:], staff_grp, n)
def test_object_equality(self):
el1 = MeiElement("note")
el2 = MeiElement("accid")
el1.addChild(el2)
self.assertEqual(el1, el2.parent)
def post(self, file):
'''
Add a dot ornament to a given element.
'''
neumeid = str(self.get_argument("id", ""))
dot_form = str(self.get_argument("dotform", ""))
# Bounding box
ulx = str(self.get_argument("ulx", None))
uly = str(self.get_argument("uly", None))
lrx = str(self.get_argument("lrx", None))
lry = str(self.get_argument("lry", None))
mei_directory = os.path.abspath(conf.MEI_DIRECTORY)
fname = os.path.join(mei_directory, file)
self.mei = XmlImport.read(fname)
punctum = self.mei.getElementById(neumeid)
# check that a punctum element was provided
if punctum.getName() == "neume" and punctum.getAttribute("name").getValue() == "punctum":
note = punctum.getDescendantsByName("note")
if len(note):
# if a dot does not already exist on the note
if len(note[0].getChildrenByName("dot")) == 0:
dot = MeiElement("dot")
dot.addAttribute("form", dot_form)
note[0].addChild(dot)
self.update_or_add_zone(punctum, ulx, uly, lrx, lry)
XmlExport.write(self.mei, fname)
self.set_status(200)
def parse_token(token):
def parse_attrs(token):
def parse_attrs_str(attrs_str):
res = []
attr_pairs = attrs_str.split(",")
for attr_pair in attr_pairs:
if attr_pair == '':
continue
name_val = attr_pair.split("=")
if len(name_val) > 1:
attr = MeiAttribute(name_val[0], name_val[1])
res.append(attr)
else:
logging.warning("get_descendants(): invalid attribute specifier in expression: " + expr)
return res
m = re.search("\[(.*)\]", token)
attrs_str = ""
if m is not None:
attrs_str = m.group(1)
return parse_attrs_str(attrs_str)
m = re.search("^([^\[]+)", token)
elem = MeiElement(m.group(1))
attrs = parse_attrs(token)
for attr in attrs:
elem.addAttribute(attr)
return elem
def test_getattributeval(self):
measure = MeiElement('measure')
staff = MeiElement('staff')
measure.addAttribute('n', '2')
self.assertEqual(utilities.get_attribute_val(measure, 'n'), '2')
self.assertEqual(utilities.get_attribute_val(staff, 'n', '1'), '1')
def add_editor(titleStmt, ali):
existing = titleStmt.getDocument().getElementById(adi[3])
if not existing:
editor = MeiElement('editor')
editor.id = ali[3]
# Using 'replace' simply to have more natural name for a person
editor.addAttribute('type', adi[1].replace('ction', 'ctor'))
titleStmt.addChild(editor)
def get_new_zone(self, ulx, uly, lrx, lry):
zone = MeiElement("zone")
zone.addAttribute("ulx", str(ulx))
zone.addAttribute("uly", str(uly))
zone.addAttribute("lrx", str(lrx))
zone.addAttribute("lry", str(lry))
return zone
def create_zone(self, ulx, uly, lrx, lry):
zone = MeiElement("zone")
zone.addAttribute("ulx", ulx)
zone.addAttribute("uly", uly)
zone.addAttribute("lrx", lrx)
zone.addAttribute("lry", lry)
return zone
def test_documentwritefailure(self):
doc = MeiDocument()
root = MeiElement("mei")
root.id = "myid"
doc.root = root
with self.assertRaises(FileWriteFailureException) as cm:
ret = XmlExport.meiDocumentToFile(doc, "C:/StupidPath")
self.assertTrue(isinstance(cm.exception, FileWriteFailureException))
def test_exporttostring(self):
doc = MeiDocument()
root = MeiElement("mei")
root.id = "myid"
doc.root = root
expected = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<mei xml:id=\"myid\" xmlns=\"http://www.music-encoding.org/ns/mei\" meiversion=\"2013\" />\n"
ret = documentToText(doc)
self.assertEqual(expected, ret)
def _create_staff(self, n, zone):
'''
Create a staff element, and attach a zone reference to it
'''
staff = MeiElement('staff')
staff.addAttribute('n', str(n))
staff.addAttribute('facs', '#'+zone.getId())
return staff
def test_setdocument(self):
m = MeiElement("mei")
doc = MeiDocument()
with self.assertRaises(DocumentRootNotSetException) as cm:
m.setDocument(doc)
self.assertTrue(isinstance(cm.exception, DocumentRootNotSetException))
doc.setRootElement(m)
self.assertEqual(doc.root, m)
def create_new_division(self, type):
'''
Make a new division and return the MEI element.
Attach the facs data to the division element
'''
division = MeiElement("division")
division.addAttribute("form", type)
return division
def test_parent(self):
el1 = MeiElement("mei")
el2 = MeiElement("meiHead")
el3 = MeiElement("music")
el2.parent = el1
el3.parent = el1
self.assertEqual("mei", el2.parent.name)
self.assertEqual("mei", el3.parent.name)
def wrap_whole_measure(staff, ALT_TYPE):
"""Enclose the entire contents of a staff in a measure
inside the <app> element. Will be done if variants overlap
in illegal ways.
"""
rich_wrapper_name = 'app'
rich_default_name = 'lem'
if ALT_TYPE == EMENDATION:
rich_wrapper_name = 'choice'
rich_default_name = 'sic'
old_layers = staff.getChildrenByName('layer')
notelist = []
if len(old_layers) > 0:
old_layer = staff.getChildrenByName('layer')[0]
notelist.extend(get_descendants(old_layer, 'note rest space mRest'))
staff.removeChild(old_layer)
new_layer = MeiElement('layer')
rich_wrapper = MeiElement(rich_wrapper_name)
rich_default_elem = MeiElement(rich_default_name)
for note in notelist:
rich_default_elem.addChild(note)
rich_wrapper.addChild(rich_default_elem)
new_layer.addChild(rich_wrapper)
staff.addChild(new_layer)
return rich_wrapper
def test_documentpointers(self):
mei = MeiElement("mei")
mus = MeiElement("music")
body = MeiElement("body")
staff = MeiElement("staff")
staff2 = MeiElement("staff")
n1 = MeiElement("note")
n2 = MeiElement("note")
n3 = MeiElement("note")
self.assertEqual(None, mei.document)
mei.addChild(mus)
self.assertEqual(None, mus.document)
doc = MeiDocument()
mus.addChild(body)
doc.root = mei
self.assertEqual(doc, mei.document)
self.assertEqual(doc, mus.document)
self.assertEqual(doc, body.document)
self.assertEqual(None, staff.document)
body.addChild(staff)
self.assertEqual(doc, staff.document)
def insert_puncta(self, nid, bboxes):
'''
Insert a punctum for each note in the reference neume
before the reference neume in the MEI document.
'''
ref_neume = self.mei.getElementById(nid)
parent = ref_neume.getParent()
# get underlying notes
notes = ref_neume.getDescendantsByName("note")
nids = []
for n, bb in zip(notes, bboxes):
punctum = MeiElement("neume")
punctum.addAttribute("name", "punctum")
nc = MeiElement("nc")
nc.addChild(n)
punctum.addChild(nc)
# add generated punctum id to return to client
nids.append(punctum.getId())
# add facs data for the punctum
zone = self.get_new_zone(bb["ulx"], bb["uly"], bb["lrx"], bb["lry"])
self.add_zone(punctum, zone)
# insert the punctum before the reference neume
parent.addChildBefore(ref_neume, punctum)
return nids
def test_removechild(self):
p = MeiElement("layer")
el1 = MeiElement("note")
el2 = MeiElement("note")
p.addChild(el1)
p.addChild(el2)
self.assertEqual(2, len(p.children))
p.removeChild(el1)
self.assertEqual(1, len(p.children))
def create_note(dur, pname, octave, color=None):
n = MeiElement('note')
n.addAttribute('dur', dur)
n.addAttribute('pname', pname)
n.addAttribute('oct', octave)
if color:
n.addAttribute('color', color)
return n
def test_getnextmeasure(self):
section = MeiElement('section')
m1 = MeiElement('measure')
sb = MeiElement('sb')
m2 = MeiElement('measure')
section.addChild(m1)
section.addChild(sb)
section.addChild(m2)
self.assertEqual(utilities.get_next_measure(m1), m2)
self.assertEqual(utilities.get_next_measure(m2), None)
def _create_zone(self, ulx, uly, lrx, lry):
'''
Create a zone element
'''
zone = MeiElement('zone')
zone.addAttribute('ulx', str(ulx))
zone.addAttribute('uly', str(uly))
zone.addAttribute('lrx', str(lrx))
zone.addAttribute('lry', str(lry))
return zone
def test_children(self):
el1 = MeiElement("mei")
el2 = MeiElement("meiHead")
el3 = MeiElement("music")
self.assertEqual(0, len(el1.children))
el1.addChild(el2)
el1.addChild(el3)
self.assertEqual("mei", el2.parent.name)
self.assertTrue(el1.hasChildren("music"))
def change_arranger_element(MEI_tree):
"""Changes all occurrence of the <arranger> tag to <editor>"""
all_arranger = MEI_tree.getDescendantsByName('arranger')
for arranger in all_arranger:
parent = arranger.getParent()
editor = MeiElement('editor')
arranger_children = arranger.getChildren()
arranger_value = arranger.getValue()
for child in arranger_children:
editor.addChild(child)
editor.setValue(arranger_value)
parent.addChild(editor)
parent.removeChild(arranger)
def _create_zone_element(self):
zone = MeiElement("zone")
# zone = mod.zone_()
# zone.id = self._idgen()
# zone.attributes = {'ulx': self.glyph['coord'][0], 'uly': self.glyph['coord'][1], \
# 'lrx': self.glyph['coord'][2], 'lry': self.glyph['coord'][3]}
zone.addAttribute("ulx", str(self.glyph['coord'][0]))
zone.addAttribute("uly", str(self.glyph['coord'][1]))
zone.addAttribute("lrx", str(self.glyph['coord'][2]))
zone.addAttribute("lry", str(self.glyph['coord'][3]))
self.surface.addChild(zone)
return zone
def update_or_add_zone(self, punctum, ulx, uly, lrx, lry):
facsid = punctum.getAttribute("facs").getValue()
if facsid:
# the zone exists already
zone = self.mei.getElementById(facsid)
else:
# create a new zone
zone = MeiElement("zone")
# update bounding box data
zone.addAttribute("ulx", ulx)
zone.addAttribute("uly", uly)
zone.addAttribute("lrx", lrx)
zone.addAttribute("lry", lry)
def _create_division_element(self):
division = MeiElement("division")
# division = mod.division_()
# division.id = self._idgen()
zone = self._create_zone_element()
division.addAttribute("facs", str(zone.id))
if self.glyph['form']:
div = str(self.glyph['form'][0])
else:
div = "minor"
division.addAttribute("form", div)
return division
def __init__(self):
MeiElement.__init__(self, "instrGrp")
def __init__(self):
MeiElement.__init__(self, "label")
def __init__(self):
MeiElement.__init__(self, "dot")
def __init__(self):
MeiElement.__init__(self, "group")
def __init__(self):
MeiElement.__init__(self, "layerDef")
def __init__(self):
MeiElement.__init__(self, "abbr")
def __init__(self):
MeiElement.__init__(self, "castList")
def __init__(self):
MeiElement.__init__(self, "lb")
def __init__(self):
MeiElement.__init__(self, "castItem")
def __init__(self):
MeiElement.__init__(self, "fw")
def __init__(self):
MeiElement.__init__(self, "expansion")
def __init__(self):
MeiElement.__init__(self, "num")
def __init__(self):
MeiElement.__init__(self, "note")
def __init__(self):
MeiElement.__init__(self, "music")
def __init__(self):
MeiElement.__init__(self, "custos")
def __init__(self):
MeiElement.__init__(self, "hairpin")
def __init__(self):
MeiElement.__init__(self, "clefGrp")
def __init__(self):
MeiElement.__init__(self, "keySig")
def __init__(self):
MeiElement.__init__(self, "chord")
def __init__(self):
MeiElement.__init__(self, "dynam")
def __init__(self):
MeiElement.__init__(self, "instrDef")
def __init__(self):
MeiElement.__init__(self, "grpSym")
def __init__(self):
MeiElement.__init__(self, "castGrp")
def __init__(self):
MeiElement.__init__(self, "incip")
def __init__(self):
MeiElement.__init__(self, "edition")
def __init__(self):
MeiElement.__init__(self, "keyAccid")
def __init__(self):
MeiElement.__init__(self, "ending")
def __init__(self):
MeiElement.__init__(self, "identifier")
def __init__(self):
MeiElement.__init__(self, "mdiv")
def __init__(self):
MeiElement.__init__(self, "mei")
