import new
+import string
from rational import *
+import re
+import sys
+
+def escape_ly_output_string (input_string):
+ return_string = input_string
+ needs_quotes = not re.match (u"^[a-zA-ZäöüÜÄÖßñ]*$", return_string);
+ if needs_quotes:
+ return_string = "\"" + string.replace (return_string, "\"", "\\\"") + "\""
+ return return_string
+
class Xml_node:
def __init__ (self):
return ''.join ([c.get_text () for c in self._children])
def message (self, msg):
- print msg
+ sys.stderr.write (msg+'\n')
p = self
while p:
- print ' In: <%s %s>' % (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):
- return [c for c in self._children if isinstance(c, klass)]
+ if not klass:
+ return []
+ else:
+ return [c for c in self._children if isinstance(c, klass)]
def get_named_children (self, nm):
- return self.get_typed_children (class_dict[nm])
+ return self.get_typed_children (get_class (nm))
def get_named_child (self, nm):
return self.get_maybe_exist_named_child (nm)
return self._children
def get_maybe_exist_named_child (self, name):
- return self.get_maybe_exist_typed_child (class_dict[name])
+ return self.get_maybe_exist_typed_child (get_class (name))
def get_maybe_exist_typed_child (self, klass):
cn = self.get_typed_children (klass)
def get_unique_typed_child (self, klass):
cn = self.get_typed_children(klass)
if len (cn) <> 1:
- print self.__dict__
+ sys.stderr.write (self.__dict__ + '\n')
raise 'Child is not unique for', (klass, 'found', cn)
return cn[0]
self.duration = Rational (0)
self.start = Rational (0)
+class Work (Xml_node):
+ def get_work_information (self, tag):
+ wt = self.get_maybe_exist_named_child (tag)
+ if wt:
+ return wt.get_text ()
+ else:
+ return ''
+
+ def get_work_title (self):
+ return self.get_work_information ('work-title')
+ def get_work_number (self):
+ return self.get_work_information ('work-number')
+ def get_opus (self):
+ return self.get_work_information ('opus')
+
+class Identification (Xml_node):
+ def get_rights (self):
+ rights = self.get_maybe_exist_named_child ('rights')
+ if rights:
+ return rights.get_text ()
+ else:
+ return ''
+
+ def get_creator (self, type):
+ creators = self.get_named_children ('creator')
+ # return the first creator tag that has the particular type
+ for i in creators:
+ if hasattr (i, 'type') and i.type == type:
+ return i.get_text ()
+ return None
+
+ def get_composer (self):
+ c = self.get_creator ('composer')
+ if c:
+ return c
+ creators = self.get_named_children ('creator')
+ # return the first creator tag that has no type at all
+ for i in creators:
+ if not hasattr (i, 'type'):
+ return i.get_text ()
+ return None
+ def get_arranger (self):
+ return self.get_creator ('arranger')
+ def get_editor (self):
+ return self.get_creator ('editor')
+ def get_poet (self):
+ v = self.get_creator ('lyricist')
+ if v:
+ return v
+ v = self.get_creator ('poet')
+ return v
+
+ def get_encoding_information (self, type):
+ enc = self.get_named_children ('encoding')
+ if enc:
+ children = enc[0].get_named_children (type)
+ if children:
+ return children[0].get_text ()
+ else:
+ return None
+
+ def get_encoding_software (self):
+ return self.get_encoding_information ('software')
+ def get_encoding_date (self):
+ return self.get_encoding_information ('encoding-date')
+ def get_encoding_person (self):
+ return self.get_encoding_information ('encoder')
+ def get_encoding_description (self):
+ return self.get_encoding_information ('encoding-description')
+
class Duration (Music_xml_node):
def get_length (self):
class Hash_comment (Music_xml_node):
pass
+class Hash_text (Music_xml_node):
+ pass
class Pitch (Music_xml_node):
def get_step (self):
- ch = self.get_unique_typed_child (class_dict[u'step'])
+ ch = self.get_unique_typed_child (get_class (u'step'))
step = ch.get_text ().strip ()
return step
def get_octave (self):
- ch = self.get_unique_typed_child (class_dict[u'octave'])
+ ch = self.get_unique_typed_child (get_class (u'octave'))
step = ch.get_text ().strip ()
return int (step)
def get_alteration (self):
- ch = self.get_maybe_exist_typed_child (class_dict[u'alter'])
+ ch = self.get_maybe_exist_typed_child (get_class (u'alter'))
alter = 0
if ch:
alter = int (ch.get_text ().strip ())
self._dict[c.get_name()] = c
def get_named_attribute (self, name):
- return self._dict[name]
+ return self._dict.get (name)
def get_measure_length (self):
(n,d) = self.get_time_signature ()
try:
mxl = self.get_named_attribute ('time')
-
- beats = mxl.get_maybe_exist_named_child ('beats')
- type = mxl.get_maybe_exist_named_child ('beat-type')
- return (int (beats.get_text ()),
- int (type.get_text ()))
+ if mxl:
+ beats = mxl.get_maybe_exist_named_child ('beats')
+ type = mxl.get_maybe_exist_named_child ('beat-type')
+ return (int (beats.get_text ()),
+ int (type.get_text ()))
+ else:
+ return (4, 4)
except KeyError:
- print 'error: requested time signature, but time sig unknown'
+ sys.stderr.write ('error: requested time signature, but time sig unknown\n')
return (4, 4)
- def get_clef_sign (self):
+ # returns clef information in the form ("cleftype", position, octave-shift)
+ def get_clef_information (self):
+ clefinfo = ['G', 2, 0]
mxl = self.get_named_attribute ('clef')
+ if not mxl:
+ return clefinfo
sign = mxl.get_maybe_exist_named_child ('sign')
if sign:
- return sign.get_text ()
- else:
- print 'clef requested, but unknow'
- return 'G'
+ clefinfo[0] = sign.get_text()
+ line = mxl.get_maybe_exist_named_child ('line')
+ if line:
+ clefinfo[1] = string.atoi (line.get_text ())
+ octave = mxl.get_maybe_exist_named_child ('clef-octave-change')
+ if octave:
+ clefinfo[2] = string.atoi (octave.get_text ())
+ return clefinfo
def get_key_signature (self):
"return (fifths, mode) tuple"
key = self.get_named_attribute ('key')
- mode_node = self.get_maybe_exist_named_child ('mode')
+ mode_node = key.get_maybe_exist_named_child ('mode')
mode = 'major'
if mode_node:
mode = mode_node.get_text ()
self.instrument_name = ''
def get_duration_log (self):
- ch = self.get_maybe_exist_typed_child (class_dict[u'type'])
+ ch = self.get_maybe_exist_typed_child (get_class (u'type'))
- if ch:
- log = ch.get_text ().strip()
- return {'eighth': 3,
+ if ch:
+ log = ch.get_text ().strip()
+ return {'256th': 8,
+ '128th': 7,
+ '64th': 6,
+ '32nd': 5,
+ '16th': 4,
+ 'eighth': 3,
'quarter': 2,
'half': 1,
- '16th': 4,
- '32nd': 5,
- 'breve': -1,
- 'long': -2,
- 'whole': 0} [log]
- else:
- return 0
+ 'whole': 0,
+ 'breve': -1,
+ 'long': -2}.get (log, 0)
+ else:
+ sys.stderr.write ("Encountered note without duration (no <type> element): %s\n" % self)
+ return 0
def get_factor (self):
- return 1
+ return 1
def get_pitches (self):
- return self.get_typed_children (class_dict[u'pitch'])
+ return self.get_typed_children (get_class (u'pitch'))
class Part_list (Music_xml_node):
def __init__ (self):
if not self._id_instrument_name_dict:
self.generate_id_instrument_dict()
- try:
- return self._id_instrument_name_dict[id]
- except KeyError:
- print "Opps, couldn't find instrument for ID=", id
+ instrument_name = self._id_instrument_name_dict.get (id)
+ if instrument_name:
+ return instrument_name
+ else:
+ sys.stderr.write ("Opps, couldn't find instrument for ID=%s\n" % id)
return "Grand Piano"
+
+class Part_group (Music_xml_node):
+ pass
+class Score_part (Music_xml_node):
+ pass
-class Measure(Music_xml_node):
+class Measure (Music_xml_node):
def get_notes (self):
- return self.get_typed_children (class_dict[u'note'])
+ return self.get_typed_children (get_class (u'note'))
+
+class Syllabic (Music_xml_node):
+ def continued (self):
+ text = self.get_text()
+ return (text == "begin") or (text == "middle")
+class Text (Music_xml_node):
+ pass
+
+class Lyric (Music_xml_node):
+ def get_number (self):
+ if hasattr (self, 'number'):
+ return self.number
+ else:
+ return -1
+
+ def lyric_to_text (self):
+ continued = False
+ syllabic = self.get_maybe_exist_typed_child (Syllabic)
+ if syllabic:
+ continued = syllabic.continued ()
+ text = self.get_maybe_exist_typed_child (Text)
+
+ if text:
+ text = text.get_text()
+ # We need to convert soft hyphens to -, otherwise the ascii codec as well
+ # as lilypond will barf on that character
+ text = string.replace( text, u'\xad', '-' )
+
+ if text == "-" and continued:
+ return "--"
+ elif text == "_" and continued:
+ return "__"
+ elif continued and text:
+ return escape_ly_output_string (text) + " --"
+ elif continued:
+ return "--"
+ elif text:
+ return escape_ly_output_string (text)
+ else:
+ return ""
-
class Musicxml_voice:
def __init__ (self):
self._elements = []
self._staves = {}
self._start_staff = None
+ self._lyrics = []
+ self._has_lyrics = False
def add_element (self, e):
self._elements.append (e)
and e.get_maybe_exist_typed_child (Staff)):
name = e.get_maybe_exist_typed_child (Staff).get_text ()
- if not self._start_staff:
+ if not self._start_staff and not e.get_maybe_exist_typed_child (Grace):
self._start_staff = name
self._staves[name] = True
+ lyrics = e.get_typed_children (Lyric)
+ if not self._has_lyrics:
+ self.has_lyrics = len (lyrics) > 0
+
+ for l in lyrics:
+ nr = l.get_number()
+ if (nr > 0) and not (nr in self._lyrics):
+ self._lyrics.append (nr)
+
def insert (self, idx, e):
self._elements.insert (idx, e)
+ def get_lyrics_numbers (self):
+ if (len (self._lyrics) == 0) and self._has_lyrics:
+ #only happens if none of the <lyric> tags has a number attribute
+ return [1]
+ else:
+ return self._lyrics
+
class Part (Music_xml_node):
measure_start_moment = now
measure_position = Rational (0)
for n in m.get_all_children ():
+ if isinstance (n, Hash_text):
+ continue
dur = Rational (0)
if n.__class__ == Attributes:
attributes_object = n
factor = Rational (1,
- int (attributes_dict['divisions'].get_text ()))
+ int (attributes_dict.get ('divisions').get_text ()))
if (n.get_maybe_exist_typed_child (Duration)):
and n.get_maybe_exist_typed_child (Chord)):
now = last_moment
measure_position = last_measure_position
-
- last_moment = now
- last_measure_position = measure_position
- n._when = now
+ n._when = now
n._measure_position = measure_position
- n._duration = dur
- now += dur
- measure_position += dur
+ n._duration = dur
+ if dur > Rational (0):
+ last_moment = now
+ last_measure_position = measure_position
+ now += dur
+ measure_position += dur
+ elif dur < Rational (0):
+ # backup element, reset measure position
+ now += dur
+ measure_position += dur
+ if measure_position < 0:
+ # backup went beyond the measure start => reset to 0
+ now -= measure_position
+ measure_position = 0
+ last_moment = now
+ last_measure_position = measure_position
if n._name == 'note':
instrument = n.get_maybe_exist_named_child ('instrument')
if instrument:
start_attr = None
for n in elements:
- voice_id = n.get_maybe_exist_typed_child (class_dict['voice'])
+ voice_id = n.get_maybe_exist_typed_child (get_class ('voice'))
- if not (voice_id or isinstance (n, Attributes)):
+ # TODO: If the first element of a voice is a dynamics entry,
+ # then voice_id is not yet set! Thus it will currently be ignored
+ if not (voice_id or isinstance (n, Attributes) or isinstance (n, Direction) ):
continue
if isinstance (n, Attributes) and not start_attr:
start_attr = n
continue
- if isinstance (n, Attributes):
+ if isinstance (n, Attributes) or isinstance (n, Direction):
for v in voices.values ():
v.add_element (n)
continue
class Time_modification(Music_xml_node):
def get_fraction (self):
- b = self.get_maybe_exist_typed_child (class_dict['actual-notes'])
- a = self.get_maybe_exist_typed_child (class_dict['normal-notes'])
+ b = self.get_maybe_exist_named_child ('actual-notes')
+ a = self.get_maybe_exist_named_child ('normal-notes')
return (int(a.get_text ()), int (b.get_text ()))
class Accidental (Music_xml_node):
self.editorial = False
self.cautionary = False
+class Music_xml_spanner (Music_xml_node):
+ def get_type (self):
+ if hasattr (self, 'type'):
+ return self.type
+ else:
+ return 0
+ def get_size (self):
+ if hasattr (self, 'size'):
+ return string.atoi (self.size)
+ else:
+ return 0
+
+class Wedge (Music_xml_spanner):
+ pass
-class Tuplet(Music_xml_node):
+class Tuplet (Music_xml_spanner):
pass
-class Slur (Music_xml_node):
+class Slur (Music_xml_spanner):
def get_type (self):
return self.type
-class Beam (Music_xml_node):
+class Beam (Music_xml_spanner):
def get_type (self):
return self.get_text ()
def is_primary (self):
return self.number == "1"
+
+class Wavy_line (Music_xml_spanner):
+ pass
-class Chord (Music_xml_node):
+class Pedal (Music_xml_spanner):
pass
-class Dot (Music_xml_node):
+class Glissando (Music_xml_spanner):
pass
-class Alter (Music_xml_node):
+class Octave_shift (Music_xml_spanner):
+ # default is 8 for the octave-shift!
+ def get_size (self):
+ if hasattr (self, 'size'):
+ return string.atoi (self.size)
+ else:
+ return 8
+
+class Chord (Music_xml_node):
pass
+class Dot (Music_xml_node):
+ pass
+
+# Rests in MusicXML are <note> blocks with a <rest> inside. This class is only
+# for the inner <rest> element, not the whole rest block.
class Rest (Music_xml_node):
def __init__ (self):
Music_xml_node.__init__ (self)
self._is_whole_measure = False
def is_whole_measure (self):
return self._is_whole_measure
-
-class Mode (Music_xml_node):
- pass
-class Tied (Music_xml_node):
- pass
+ def get_step (self):
+ ch = self.get_maybe_exist_typed_child (get_class (u'display-step'))
+ if ch:
+ step = ch.get_text ().strip ()
+ return step
+ else:
+ return None
+ def get_octave (self):
+ ch = self.get_maybe_exist_typed_child (get_class (u'display-octave'))
+ if ch:
+ step = ch.get_text ().strip ()
+ return int (step)
+ else:
+ return None
class Type (Music_xml_node):
pass
class Staff (Music_xml_node):
pass
-class Instrument (Music_xml_node):
+class Direction (Music_xml_node):
+ pass
+class DirType (Music_xml_node):
pass
+class Bend (Music_xml_node):
+ def bend_alter (self):
+ alter = self.get_maybe_exist_named_child ('bend-alter')
+ if alter:
+ return alter.get_text()
+ else:
+ return 0
+
+
+
## need this, not all classes are instantiated
-## for every input file.
+## for every input file. Only add those classes, that are either directly
+## used by class name or extend Music_xml_node in some way!
class_dict = {
'#comment': Hash_comment,
+ '#text': Hash_text,
'accidental': Accidental,
- 'alter': Alter,
'attributes': Attributes,
'beam' : Beam,
+ 'bend' : Bend,
'chord': Chord,
'dot': Dot,
+ 'direction': Direction,
+ 'direction-type': DirType,
'duration': Duration,
+ 'glissando': Glissando,
'grace': Grace,
- 'instrument': Instrument,
- 'mode' : Mode,
+ 'identification': Identification,
+ 'lyric': Lyric,
'measure': Measure,
'notations': Notations,
'note': Note,
+ 'octave-shift': Octave_shift,
'part': Part,
+ 'part-group': Part_group,
+ 'part-list': Part_list,
+ 'pedal': Pedal,
'pitch': Pitch,
- 'rest':Rest,
+ 'rest': Rest,
+ 'score-part': Score_part,
'slur': Slur,
- 'tied': Tied,
+ 'staff': Staff,
+ 'syllabic': Syllabic,
+ 'text': Text,
'time-modification': Time_modification,
- 'tuplet': Tuplet,
+ 'tuplet': Tuplet,
'type': Type,
- 'part-list': Part_list,
- 'staff': Staff,
+ 'wavy-line': Wavy_line,
+ 'wedge': Wedge,
+ 'work': Work,
}
def name2class_name (name):
return str (name)
def get_class (name):
- try:
- return class_dict[name]
- except KeyError:
+ classname = class_dict.get (name)
+ if classname:
+ return classname
+ else:
class_name = name2class_name (name)
klass = new.classobj (class_name, (Music_xml_node,) , {})
class_dict[name] = klass
projects / lilypond.git / blobdiff