return return_string
+def musicxml_duration_to_log (dur):
+ return {'256th': 8,
+ '128th': 7,
+ '64th': 6,
+ '32nd': 5,
+ '16th': 4,
+ 'eighth': 3,
+ 'quarter': 2,
+ 'half': 1,
+ 'whole': 0,
+ 'breve': -1,
+ 'longa': -2,
+ 'long': -2}.get (dur, 0)
+
+
+
class Xml_node:
def __init__ (self):
self._children = []
p = self
while p:
- sys.stderr.write (' In: <%s %s>\n' % (p._name, ' '.join (['%s=%s' % item for item in p._attribute_dict.items()])))
+ sys.stderr.write (' In: <%s %s>\n' % (p._name, ' '.join (['%s=%s' % item for item in p._attribute_dict.items ()])))
p = p.get_parent ()
def get_typed_children (self, klass):
if ch:
log = ch.get_text ().strip()
- return {'256th': 8,
- '128th': 7,
- '64th': 6,
- '32nd': 5,
- '16th': 4,
- 'eighth': 3,
- 'quarter': 2,
- 'half': 1,
- 'whole': 0,
- 'breve': -1,
- 'longa': -2}.get (log, 0)
+ return musicxml_duration_to_log (log)
elif self.get_maybe_exist_named_child (u'grace'):
# FIXME: is it ok to default to eight note for grace notes?
return 3
# modify attributes so that only those applying to the given staff remain
def extract_attributes_for_staff (part, attr, staff):
attributes = copy.copy (attr)
- attributes._children = copy.copy (attr._children)
+ attributes._children = [];
attributes._dict = attr._dict.copy ()
- for c in attributes._children:
- if hasattr (c, 'number') and c.number != staff:
- attributes._children.remove (c)
- return attributes
+ # copy only the relevant children over for the given staff
+ for c in attr._children:
+ if (not (hasattr (c, 'number') and (c.number != staff)) and
+ not (isinstance (c, Hash_text))):
+ attributes._children.append (c)
+ if not attributes._children:
+ return None
+ else:
+ return attributes
def extract_voices (part):
voices = {}
# assign these only to the voices they really belongs to!
for (s, vids) in staff_to_voice_dict.items ():
staff_attributes = part.extract_attributes_for_staff (n, s)
- for v in vids:
- voices[v].add_element (staff_attributes)
+ if staff_attributes:
+ for v in vids:
+ voices[v].add_element (staff_attributes)
continue
if isinstance (n, Partial) or isinstance (n, Barline):
class Harmony (Music_xml_node):
pass
+class ChordPitch (Music_xml_node):
+ def step_class_name (self):
+ return u'root-step'
+ def alter_class_name (self):
+ return u'root-alter'
+ def get_step (self):
+ ch = self.get_unique_typed_child (get_class (self.step_class_name ()))
+ return ch.get_text ().strip ()
+ def get_alteration (self):
+ ch = self.get_maybe_exist_typed_child (get_class (self.alter_class_name ()))
+ alter = 0
+ if ch:
+ alter = int (ch.get_text ().strip ())
+ return alter
+
+class Root (ChordPitch):
+ pass
+
+class Bass (ChordPitch):
+ def step_class_name (self):
+ return u'bass-step'
+ def alter_class_name (self):
+ return u'bass-alter'
+
+class ChordModification (Music_xml_node):
+ def get_type (self):
+ ch = self.get_maybe_exist_typed_child (get_class (u'degree-type'))
+ return {'add': 1, 'alter': 1, 'subtract': -1}.get (ch.get_text ().strip (), 0)
+ def get_value (self):
+ ch = self.get_maybe_exist_typed_child (get_class (u'degree-value'))
+ value = 0
+ if ch:
+ value = int (ch.get_text ().strip ())
+ return value
+ def get_alter (self):
+ ch = self.get_maybe_exist_typed_child (get_class (u'degree-alter'))
+ value = 0
+ if ch:
+ value = int (ch.get_text ().strip ())
+ return value
+
+
class Frame (Music_xml_node):
def get_frets (self):
return self.get_named_child_value_number ('frame-frets', 4)
return self.get_named_child_value_number ('frame-strings', 6)
def get_first_fret (self):
return self.get_named_child_value_number ('first-fret', 1)
+
class Frame_Note (Music_xml_node):
def get_string (self):
return self.get_named_child_value_number ('string', 1)
class FiguredBass (Music_xml_node):
pass
+class BeatUnit (Music_xml_node):
+ pass
+
+class BeatUnitDot (Music_xml_node):
+ pass
+
+class PerMinute (Music_xml_node):
+ pass
+
## need this, not all classes are instantiated
'attributes': Attributes,
'barline': Barline,
'bar-style': BarStyle,
+ 'bass': Bass,
'beam' : Beam,
+ 'beat-unit': BeatUnit,
+ 'beat-unit-dot': BeatUnitDot,
'bend' : Bend,
'bracket' : Bracket,
'chord': Chord,
'dashes' : Dashes,
+ 'degree' : ChordModification,
'dot': Dot,
'direction': Direction,
'direction-type': DirType,
'part-group': Part_group,
'part-list': Part_list,
'pedal': Pedal,
+ 'per-minute': PerMinute,
'pitch': Pitch,
'rest': Rest,
- 'score-part': Score_part,
+ 'root': Root,
+ 'score-part': Score_part,
'slide': Slide,
'slur': Slur,
'staff': Staff,
for c in py_node._children:
c._parent = py_node
- for (k,v) in node.items ():
+ for (k, v) in node.items ():
py_node.__dict__[k] = v
py_node._attribute_dict[k] = v
name = node.nodeName
klass = get_class (name)
- py_node = klass()
+ py_node = klass ()
py_node._name = name
py_node._children = [minidom_demarshal_node (cn) for cn in node.childNodes]
for c in py_node._children:
c._parent = py_node
if node.attributes:
- for (nm, value) in node.attributes.items():
+ for (nm, value) in node.attributes.items ():
py_node.__dict__[nm] = value
py_node._attribute_dict[nm] = value
if __name__ == '__main__':
- import lxml.etree
+ import lxml.etree
- tree = lxml.etree.parse ('beethoven.xml')
- mxl_tree = lxml_demarshal_node (tree.getroot ())
- ks = class_dict.keys()
- ks.sort()
- print '\n'.join (ks)
+ tree = lxml.etree.parse ('beethoven.xml')
+ mxl_tree = lxml_demarshal_node (tree.getroot ())
+ ks = class_dict.keys ()
+ ks.sort ()
+ print '\n'.join (ks)
projects / lilypond.git / blobdiff