-import sys
+# -*- coding: utf-8 -*-
import new
-import re
import string
-from rational import Rational
+from rational import *
+import re
+import sys
+import copy
+import lilylib
+
+_ = lilylib._
+
+def error (str):
+ ly.stderr_write ((_ ("error: %s") % str) + "\n")
+
-from xml.dom import minidom, Node
+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):
- self._children = []
- self._data = None
- self._original = None
- self._name = 'xml_node'
- self._parent = None
-
- def is_first (self):
- return self._parent.get_typed_children (self.__class__)[0] == self
-
- def original (self):
- return self._original
- def get_name (self):
- return self._name
-
- def get_text (self):
- if self._data:
- return self._data
-
- if not self._children:
- return ''
-
- return ''.join ([c.get_text () for c in self._children])
-
- def get_typed_children (self, klass):
- 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])
-
- def get_named_child (self, nm):
- return self.get_maybe_exist_named_child (nm)
-
- def get_children (self, predicate):
- return [c for c in self._children if predicate(c)]
-
- def get_all_children (self):
- return self._children
-
- def get_maybe_exist_named_child (self, name):
- return self.get_maybe_exist_typed_child (class_dict[name])
-
- def get_maybe_exist_typed_child (self, klass):
- cn = self.get_typed_children (klass)
- if len (cn)==0:
- return None
- elif len (cn) == 1:
- return cn[0]
- else:
- raise "More than 1 child", klass
-
- def get_unique_typed_child (self, klass):
- cn = self.get_typed_children(klass)
- if len (cn) <> 1:
- print self.__dict__
- raise 'Child is not unique for', (klass, 'found', cn)
-
- return cn[0]
-
+ def __init__ (self):
+ self._children = []
+ self._data = None
+ self._original = None
+ self._name = 'xml_node'
+ self._parent = None
+ self._attribute_dict = {}
+
+ def get_parent (self):
+ return self._parent
+
+ def is_first (self):
+ return self._parent.get_typed_children (self.__class__)[0] == self
+
+ def original (self):
+ return self._original
+ def get_name (self):
+ return self._name
+
+ def get_text (self):
+ if self._data:
+ return self._data
+
+ if not self._children:
+ return ''
+
+ return ''.join ([c.get_text () for c in self._children])
+
+ def message (self, msg):
+ lilylib.stderr_write (msg+'\n')
+
+ p = self
+ while p:
+ 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 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 (get_class (nm))
+
+ def get_named_child (self, nm):
+ return self.get_maybe_exist_named_child (nm)
+
+ def get_children (self, predicate):
+ return [c for c in self._children if predicate(c)]
+
+ def get_all_children (self):
+ return self._children
+
+ def get_maybe_exist_named_child (self, 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)
+ if len (cn)==0:
+ return None
+ elif len (cn) == 1:
+ return cn[0]
+ else:
+ raise "More than 1 child", klass
+
+ def get_unique_typed_child (self, klass):
+ cn = self.get_typed_children(klass)
+ if len (cn) <> 1:
+ sys.stderr.write (self.__dict__ + '\n')
+ raise 'Child is not unique for', (klass, 'found', cn)
+
+ return cn[0]
+
+ def get_named_child_value_number (self, name, default):
+ n = self.get_maybe_exist_named_child (name)
+ if n:
+ return string.atoi (n.get_text())
+ else:
+ return default
+
+
class Music_xml_node (Xml_node):
- def __init__ (self):
- Xml_node.__init__ (self)
- self.duration = Rational (0)
- self.start = Rational (0)
-
+ def __init__ (self):
+ Xml_node.__init__ (self)
+ 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):
- dur = string.atoi (self.get_text ()) * Rational (1,4)
- return dur
-
+ def get_length (self):
+ dur = int (self.get_text ()) * Rational (1,4)
+ return dur
+
class Hash_comment (Music_xml_node):
- pass
-
+ 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'])
- step = ch.get_text ().strip ()
- return step
- def get_octave (self):
- ch = self.get_unique_typed_child (class_dict[u'octave'])
-
- step = ch.get_text ().strip ()
- return string.atoi (step)
-
- def get_alteration (self):
- ch = self.get_maybe_exist_typed_child (class_dict[u'alter'])
- alter = 0
- if ch:
- alter = string.atoi (ch.get_text ().strip ())
- return alter
+ def get_step (self):
+ 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 (get_class (u'octave'))
+
+ step = ch.get_text ().strip ()
+ return int (step)
+
+ def get_alteration (self):
+ ch = self.get_maybe_exist_typed_child (get_class (u'alter'))
+ alter = 0
+ if ch:
+ alter = int (ch.get_text ().strip ())
+ return alter
+
+class Unpitched (Music_xml_node):
+ def get_step (self):
+ ch = self.get_unique_typed_child (get_class (u'display-step'))
+ step = ch.get_text ().strip ()
+ return step
+
+ def get_octave (self):
+ ch = self.get_unique_typed_child (get_class (u'display-octave'))
+
+ if ch:
+ octave = ch.get_text ().strip ()
+ return int (octave)
+ else:
+ return None
class Measure_element (Music_xml_node):
- def get_voice_id (self):
- voice_id = self.get_maybe_exist_named_child ('voice')
- if voice_id:
- return voice_id.get_text ()
- else:
- return None
-
- def is_first (self):
- cn = self._parent.get_typed_children (self.__class__)
- cn = [c for c in cn if c.get_voice_id () == self.get_voice_id ()]
- return cn[0] == self
-
+ def get_voice_id (self):
+ voice_id = self.get_maybe_exist_named_child ('voice')
+ if voice_id:
+ return voice_id.get_text ()
+ else:
+ return None
+
+ def is_first (self):
+ cn = self._parent.get_typed_children (self.__class__)
+ cn = [c for c in cn if c.get_voice_id () == self.get_voice_id ()]
+ return cn[0] == self
+
class Attributes (Measure_element):
- def __init__ (self):
- Measure_element.__init__ (self)
- self._dict = {}
-
- def set_attributes_from_previous (self, dict):
- self._dict.update (dict)
- def read_self (self):
- for c in self.get_all_children ():
- self._dict[c.get_name()] = c
-
- def get_named_attribute (self, name):
- return self._dict[name]
-
+ def __init__ (self):
+ Measure_element.__init__ (self)
+ self._dict = {}
+
+ def set_attributes_from_previous (self, dict):
+ self._dict.update (dict)
+
+ def read_self (self):
+ for c in self.get_all_children ():
+ self._dict[c.get_name()] = c
+
+ def get_named_attribute (self, name):
+ return self._dict.get (name)
+
+ def get_measure_length (self):
+ (n,d) = self.get_time_signature ()
+ return Rational (n,d)
+
+ def get_time_signature (self):
+ "return time sig as a (beat, beat-type) tuple"
+
+ try:
+ mxl = self.get_named_attribute ('time')
+ 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:
+ error (_ ("requested time signature, but time sig is unknown"))
+ return (4, 4)
+
+ # 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:
+ 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 = key.get_maybe_exist_named_child ('mode')
+ mode = 'major'
+ if mode_node:
+ mode = mode_node.get_text ()
+
+ fifths = int (key.get_maybe_exist_named_child ('fifths').get_text ())
+ return (fifths, mode)
+
+class Barline (Measure_element):
+ pass
+class BarStyle (Music_xml_node):
+ pass
+class Partial (Measure_element):
+ def __init__ (self, partial):
+ Measure_element.__init__ (self)
+ self.partial = partial
+
class Note (Measure_element):
- def get_duration_log (self):
- ch = self.get_maybe_exist_typed_child (class_dict[u'type'])
-
- if ch:
- log = ch.get_text ().strip()
- return {'eighth': 3,
- 'quarter': 2,
- 'half': 1,
- '16th': 4,
- '32nd': 5,
- 'breve': -1,
- 'long': -2,
- 'whole': 0} [log]
- else:
- return 0
-
- def get_factor (self):
- return 1
-
- def get_pitches (self):
- return self.get_typed_children (class_dict[u'pitch'])
+ def __init__ (self):
+ Measure_element.__init__ (self)
+ self.instrument_name = ''
+
+ def get_duration_log (self):
+ ch = self.get_maybe_exist_named_child (u'type')
+
+ 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,
+ 'long': -2}.get (log, 0)
+ elif self.get_maybe_exist_named_child (u'grace'):
+ # FIXME: is it ok to default to eight note for grace notes?
+ return 3
+ else:
+ self.message (_ ("Encountered note at %s with %s duration (no <type> element):") % (self.start, self.duration) )
+ return 0
+
+ def get_factor (self):
+ return 1
+
+ def get_pitches (self):
+ return self.get_typed_children (get_class (u'pitch'))
class Part_list (Music_xml_node):
- pass
-
-class Measure(Music_xml_node):
- def get_notes (self):
- return self.get_typed_children (class_dict[u'note'])
-
+ def __init__ (self):
+ Music_xml_node.__init__ (self)
+ self._id_instrument_name_dict = {}
+
+ def generate_id_instrument_dict (self):
+
+ ## not empty to make sure this happens only once.
+ mapping = {1: 1}
+ for score_part in self.get_named_children ('score-part'):
+ for instr in score_part.get_named_children ('score-instrument'):
+ id = instr.id
+ name = instr.get_named_child ("instrument-name")
+ mapping[id] = name.get_text ()
+
+ self._id_instrument_name_dict = mapping
+
+ def get_instrument (self, id):
+ if not self._id_instrument_name_dict:
+ self.generate_id_instrument_dict()
+
+ instrument_name = self._id_instrument_name_dict.get (id)
+ if instrument_name:
+ return instrument_name
+ else:
+ lilylib.stderr_write (_ ("Unable to find 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):
+ def __init__ (self):
+ Music_xml_node.__init__ (self)
+ self.partial = 0
+ def is_implicit (self):
+ return hasattr (self, 'implicit') and self.implicit == 'yes'
+ def get_notes (self):
+ 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
-
- def add_element (self, e):
- self._elements.append (e)
- if (isinstance (e, Note)
- and e.get_maybe_exist_typed_child (Staff)):
- name = e.get_maybe_exist_typed_child (Staff).get_text ()
-
- if not self._start_staff:
- self._start_staff = name
- self._staves[name] = True
-
- def insert (self, idx, e):
- self._elements.insert (idx, e)
-
-
+ 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)
+ if (isinstance (e, Note)
+ and e.get_maybe_exist_typed_child (Staff)):
+ name = e.get_maybe_exist_typed_child (Staff).get_text ()
+
+ 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):
- def __init__ (self):
- self._voices = []
-
- def interpret (self):
- """Set durations and starting points."""
-
- now = Rational (0)
- factor = Rational (1)
- attr_dict = {}
- measures = self.get_typed_children (Measure)
-
- for m in measures:
- for n in m.get_all_children ():
- dur = Rational (0)
-
- if n.__class__ == Attributes:
- n.set_attributes_from_previous (attr_dict)
- n.read_self ()
- attr_dict = n._dict.copy ()
-
- factor = Rational (1,
- string.atoi (attr_dict['divisions']
- .get_text ()))
- elif (n.get_maybe_exist_typed_child (Duration)
- and not n.get_maybe_exist_typed_child (Chord)):
- mxl_dur = n.get_maybe_exist_typed_child (Duration)
- dur = mxl_dur.get_length () * factor
- if n.get_name() == 'backup':
- dur = - dur
- if n.get_maybe_exist_typed_child (Grace):
- dur = Rational (0)
-
- n._when = now
- n._duration = dur
- now += dur
-
- def extract_voices (part):
- voices = {}
- measures = part.get_typed_children (Measure)
- elements = []
- for m in measures:
- elements.extend (m.get_all_children ())
-
- start_attr = None
- for n in elements:
- voice_id = n.get_maybe_exist_typed_child (class_dict['voice'])
-
- if not (voice_id or isinstance (n, Attributes)):
- continue
-
- if isinstance (n, Attributes) and not start_attr:
- start_attr = n
- continue
-
- if isinstance (n, Attributes):
- for v in voices.values ():
- v.add_element (n)
- continue
-
- id = voice_id.get_text ()
- if not voices.has_key (id):
- voices[id] = Musicxml_voice()
-
- voices[id].add_element (n)
-
- if start_attr:
- for (k,v) in voices.items ():
- v.insert (0, start_attr)
-
- part._voices = voices
-
- def get_voices (self):
- return self._voices
+ def __init__ (self):
+ Music_xml_node.__init__ (self)
+ self._voices = {}
+ self._staff_attributes_dict = {}
+
+ def get_part_list (self):
+ n = self
+ while n and n.get_name() != 'score-partwise':
+ n = n._parent
+
+ return n.get_named_child ('part-list')
+
+ def interpret (self):
+ """Set durations and starting points."""
+ """The starting point of the very first note is 0!"""
+
+ part_list = self.get_part_list ()
+
+ now = Rational (0)
+ factor = Rational (1)
+ attributes_dict = {}
+ attributes_object = None
+ measures = self.get_typed_children (Measure)
+ last_moment = Rational (-1)
+ last_measure_position = Rational (-1)
+ measure_position = Rational (0)
+ measure_start_moment = now
+ is_first_measure = True
+ previous_measure = None
+ for m in measures:
+ # implicit measures are used for artificial measures, e.g. when
+ # a repeat bar line splits a bar into two halves. In this case,
+ # don't reset the measure position to 0. They are also used for
+ # upbeats (initial value of 0 fits these, too).
+ # Also, don't reset the measure position at the end of the loop,
+ # but rather when starting the next measure (since only then do we
+ # know if the next measure is implicit and continues that measure)
+ if not m.is_implicit ():
+ # Warn about possibly overfull measures and reset the position
+ if attributes_object and previous_measure and previous_measure.partial == 0:
+ length = attributes_object.get_measure_length ()
+ new_now = measure_start_moment + length
+ if now <> new_now:
+ problem = 'incomplete'
+ if now > new_now:
+ problem = 'overfull'
+ ## only for verbose operation.
+ if problem <> 'incomplete' and previous_measure:
+ previous_measure.message ('%s measure? Expected: %s, Difference: %s' % (problem, now, new_now - now))
+ now = new_now
+ 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:
+ n.set_attributes_from_previous (attributes_dict)
+ n.read_self ()
+ attributes_dict = n._dict.copy ()
+ attributes_object = n
+
+ factor = Rational (1,
+ int (attributes_dict.get ('divisions').get_text ()))
+
+
+ if (n.get_maybe_exist_typed_child (Duration)):
+ mxl_dur = n.get_maybe_exist_typed_child (Duration)
+ dur = mxl_dur.get_length () * factor
+
+ if n.get_name() == 'backup':
+ dur = - dur
+ if n.get_maybe_exist_typed_child (Grace):
+ dur = Rational (0)
+
+ rest = n.get_maybe_exist_typed_child (Rest)
+ if (rest
+ and attributes_object
+ and attributes_object.get_measure_length () == dur):
+
+ rest._is_whole_measure = True
+
+ if (dur > Rational (0)
+ and n.get_maybe_exist_typed_child (Chord)):
+ now = last_moment
+ measure_position = last_measure_position
+
+ n._when = now
+ n._measure_position = measure_position
+ 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:
+ n.instrument_name = part_list.get_instrument (instrument.id)
+
+ # Incomplete first measures are not padded, but registered as partial
+ if is_first_measure:
+ is_first_measure = False
+ # upbeats are marked as implicit measures
+ if attributes_object and m.is_implicit ():
+ length = attributes_object.get_measure_length ()
+ measure_end = measure_start_moment + length
+ if measure_end <> now:
+ m.partial = now
+ previous_measure = m
+
+ # 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._dict = attr._dict.copy ()
+ for c in attributes._children:
+ if hasattr (c, 'number') and c.number != staff:
+ attributes._children.remove (c)
+ return attributes
+
+ def extract_voices (part):
+ voices = {}
+ measures = part.get_typed_children (Measure)
+ elements = []
+ for m in measures:
+ if m.partial > 0:
+ elements.append (Partial (m.partial))
+ elements.extend (m.get_all_children ())
+ # make sure we know all voices already so that dynamics, clefs, etc.
+ # can be assigned to the correct voices
+ voice_to_staff_dict = {}
+ for n in elements:
+ voice_id = n.get_maybe_exist_named_child (u'voice')
+ vid = None
+ if voice_id:
+ vid = voice_id.get_text ()
+
+ staff_id = n.get_maybe_exist_named_child (u'staff')
+ sid = None
+ if staff_id:
+ sid = staff_id.get_text ()
+ else:
+ sid = "None"
+ if vid and not voices.has_key (vid):
+ voices[vid] = Musicxml_voice()
+ if vid and sid and not n.get_maybe_exist_typed_child (Grace):
+ if not voice_to_staff_dict.has_key (vid):
+ voice_to_staff_dict[vid] = sid
+ # invert the voice_to_staff_dict into a staff_to_voice_dict (since we
+ # need to assign staff-assigned objects like clefs, times, etc. to
+ # all the correct voices. This will never work entirely correct due
+ # to staff-switches, but that's the best we can do!
+ staff_to_voice_dict = {}
+ for (v,s) in voice_to_staff_dict.items ():
+ if not staff_to_voice_dict.has_key (s):
+ staff_to_voice_dict[s] = [v]
+ else:
+ staff_to_voice_dict[s].append (v)
+
+
+ start_attr = None
+ assign_to_next_note = []
+ id = None
+ for n in elements:
+ voice_id = n.get_maybe_exist_typed_child (get_class ('voice'))
+
+ if not (voice_id or isinstance (n, Attributes) or
+ isinstance (n, Direction) or isinstance (n, Partial) or
+ isinstance (n, Barline) or isinstance (n, Harmony) ):
+ continue
+
+ if isinstance (n, Attributes) and not start_attr:
+ start_attr = n
+ continue
+
+ if isinstance (n, Attributes):
+ # 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)
+ continue
+
+ if isinstance (n, Partial) or isinstance (n, Barline):
+ for v in voices.keys ():
+ voices[v].add_element (n)
+ continue
+
+ if isinstance (n, Direction):
+ staff_id = n.get_maybe_exist_named_child (u'staff')
+ if staff_id:
+ staff_id = staff_id.get_text ()
+ if staff_id:
+ dir_voices = staff_to_voice_dict.get (staff_id, voices.keys ())
+ else:
+ dir_voices = voices.keys ()
+ for v in dir_voices:
+ voices[v].add_element (n)
+ continue
+
+ if isinstance (n, Harmony):
+ # store the harmony element until we encounter the next note
+ # and assign it only to that one voice.
+ assign_to_next_note.append (n)
+ continue
+
+ id = voice_id.get_text ()
+ if hasattr (n, 'print-object') and getattr (n, 'print-object') == "no":
+ #Skip this note.
+ pass
+ else:
+ for i in assign_to_next_note:
+ voices[id].add_element (i)
+ assign_to_next_note = []
+ voices[id].add_element (n)
+
+ # Assign all remaining elements from assign_to_next_note to the voice
+ # of the previous note:
+ for i in assign_to_next_note:
+ voices[id].add_element (i)
+ assign_to_next_note = []
+
+ if start_attr:
+ for (s, vids) in staff_to_voice_dict.items ():
+ staff_attributes = part.extract_attributes_for_staff (start_attr, s)
+ staff_attributes.read_self ()
+ part._staff_attributes_dict[s] = staff_attributes
+ for v in vids:
+ voices[v].insert (0, staff_attributes)
+ voices[v]._elements[0].read_self()
+
+ part._voices = voices
+
+ def get_voices (self):
+ return self._voices
+ def get_staff_attributes (self):
+ return self._staff_attributes_dict
class Notations (Music_xml_node):
- def get_tie (self):
- ts = self.get_named_children ('tied')
- starts = [t for t in ts if t.type == 'start']
- if starts:
- return starts[0]
- else:
- return None
-
- def get_tuplet (self):
- return self.get_maybe_exist_typed_child (Tuplet)
-
+ def get_tie (self):
+ ts = self.get_named_children ('tied')
+ starts = [t for t in ts if t.type == 'start']
+ if starts:
+ return starts[0]
+ else:
+ return None
+
+ def get_tuplets (self):
+ return self.get_typed_children (Tuplet)
+
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'])
- return (string.atoi(a.get_text ()), string.atoi (b.get_text ()))
+ def get_fraction (self):
+ 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):
- def __init__ (self):
- Music_xml_node.__init__ (self)
- self.editorial = False
- self.cautionary = False
-
-
-class Tuplet(Music_xml_node):
- pass
-
-class Slur (Music_xml_node):
- def get_type (self):
- return self.type
-
-class Beam (Music_xml_node):
- def get_type (self):
- return self.get_text ()
+ def __init__ (self):
+ Music_xml_node.__init__ (self)
+ 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_spanner):
+ pass
+
+class Bracket (Music_xml_spanner):
+ pass
+
+class Dashes (Music_xml_spanner):
+ pass
+
+class Slur (Music_xml_spanner):
+ def get_type (self):
+ return self.type
+
+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 Pedal (Music_xml_spanner):
+ pass
+
+class Glissando (Music_xml_spanner):
+ pass
+
+class Slide (Music_xml_spanner):
+ pass
+
+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
+ pass
class Dot (Music_xml_node):
- pass
-
-class Alter (Music_xml_node):
- pass
+ 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):
- pass
-class Mode (Music_xml_node):
- pass
-class Tied (Music_xml_node):
- pass
-
+ def __init__ (self):
+ Music_xml_node.__init__ (self)
+ self._is_whole_measure = False
+ def is_whole_measure (self):
+ return self._is_whole_measure
+ 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
+ pass
class Grace (Music_xml_node):
- pass
+ pass
class Staff (Music_xml_node):
- pass
-
+ pass
+
+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
+
+class Words (Music_xml_node):
+ pass
+
+class Harmony (Music_xml_node):
+ pass
+
+class Frame (Music_xml_node):
+ def get_frets (self):
+ return self.get_named_child_value_number ('frame-frets', 4)
+ def get_strings (self):
+ 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)
+ def get_fret (self):
+ return self.get_named_child_value_number ('fret', 0)
+ def get_fingering (self):
+ return self.get_named_child_value_number ('fingering', -1)
+ def get_barre (self):
+ n = self.get_maybe_exist_named_child ('barre')
+ if n:
+ return getattr (n, 'type', '')
+ else:
+ return ''
+
+
+## need this, not all classes are instantiated
+## 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,
+ 'barline': Barline,
+ 'bar-style': BarStyle,
'beam' : Beam,
+ 'bend' : Bend,
+ 'bracket' : Bracket,
'chord': Chord,
+ 'dashes' : Dashes,
'dot': Dot,
+ 'direction': Direction,
+ 'direction-type': DirType,
'duration': Duration,
+ 'frame': Frame,
+ 'frame-note': Frame_Note,
+ 'glissando': Glissando,
'grace': Grace,
- 'mode' : Mode,
+ 'harmony': Harmony,
+ '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,
+ 'slide': Slide,
'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,
+ 'unpitched': Unpitched,
+ 'wavy-line': Wavy_line,
+ 'wedge': Wedge,
+ 'words': Words,
+ 'work': Work,
}
def name2class_name (name):
- name = name.replace ('-', '_')
- name = name.replace ('#', 'hash_')
- name = name[0].upper() + name[1:].lower()
-
- return str (name)
-
-def create_classes (names, dict):
- for n in names:
- if dict.has_key (n):
- continue
-
- class_name = name2class_name (n)
- klass = new.classobj (class_name, (Music_xml_node,) , {})
- dict[n] = klass
-
-def element_names (node, dict):
- dict[node.nodeName] = 1
- for cn in node.childNodes:
- element_names (cn, dict)
- return dict
-
-def demarshal_node (node):
- name = node.nodeName
- klass = class_dict[name]
- py_node = klass()
- py_node._name = name
- py_node._children = [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():
- py_node.__dict__[nm] = value
-
- py_node._data = None
- if node.nodeType == node.TEXT_NODE and node.data:
- py_node._data = node.data
-
- py_node._original = node
- return py_node
-
-def strip_white_space (node):
- node._children = \
- [c for c in node._children
- if not (c._original.nodeType == Node.TEXT_NODE and
- re.match (r'^\s*$', c._data))]
-
- for c in node._children:
- strip_white_space (c)
-
-def create_tree (name):
- doc = minidom.parse(name)
- node = doc.documentElement
- names = element_names (node, {}).keys()
- create_classes (names, class_dict)
+ name = name.replace ('-', '_')
+ name = name.replace ('#', 'hash_')
+ name = name[0].upper() + name[1:].lower()
+
+ return str (name)
+
+def get_class (name):
+ 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
+ return klass
+
+def lxml_demarshal_node (node):
+ name = node.tag
+
+ if name is None:
+ return None
+ klass = get_class (name)
+ py_node = klass()
+
+ py_node._original = node
+ py_node._name = name
+ py_node._data = node.text
+ py_node._children = [lxml_demarshal_node (cn) for cn in node.getchildren()]
+ py_node._children = filter (lambda x: x, py_node._children)
- return demarshal_node (node)
-
-def test_musicxml (tree):
- m = tree._children[-2]
- print m
-
-def read_musicxml (name):
- tree = create_tree (name)
- strip_white_space (tree)
- return tree
+ for c in py_node._children:
+ c._parent = py_node
-if __name__ == '__main__':
- tree = read_musicxml ('BeetAnGeSample.xml')
- test_musicxml (tree)
+ for (k,v) in node.items ():
+ py_node.__dict__[k] = v
+ py_node._attribute_dict[k] = v
+ return py_node
+def minidom_demarshal_node (node):
+ name = node.nodeName
+
+ klass = get_class (name)
+ 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():
+ py_node.__dict__[nm] = value
+ py_node._attribute_dict[nm] = value
+
+ py_node._data = None
+ if node.nodeType == node.TEXT_NODE and node.data:
+ py_node._data = node.data
+
+ py_node._original = node
+ return py_node
+
+
+if __name__ == '__main__':
+ 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)
projects / lilypond.git / blobdiff