+# -*- coding: utf-8 -*-
import new
import string
from rational import *
+import re
+import sys
+import copy
+import lilylib as ly
+
+_ = ly._
+
+def error (str):
+ ly.stderr_write ((_ ("error: %s") % str) + "\n")
+
+
+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
+ ly.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):
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]
+ 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)
def get_creator (self, type):
creators = self.get_named_children ('creator')
- # return the first creator tag that has type 'editor'
+ # 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 ()
- else:
- return ''
+ return None
def get_composer (self):
c = self.get_creator ('composer')
for i in creators:
if not hasattr (i, 'type'):
return i.get_text ()
- return c
+ return None
def get_arranger (self):
return self.get_creator ('arranger')
def get_editor (self):
return self.get_creator ('editor')
def get_poet (self):
- return self.get_creator ('poet')
+ 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 children:
return children[0].get_text ()
else:
- return ''
+ return None
def get_encoding_software (self):
return self.get_encoding_information ('software')
return self.get_encoding_information ('encoder')
def get_encoding_description (self):
return self.get_encoding_information ('encoding-description')
+
+ def get_encoding_software_list (self):
+ enc = self.get_named_children ('encoding')
+ software = []
+ for e in enc:
+ softwares = e.get_named_children ('software')
+ for s in softwares:
+ software.append (s.get_text ())
+ return software
+
class Duration (Music_xml_node):
class Hash_comment (Music_xml_node):
pass
+class Hash_text (Music_xml_node):
+ pass
class Pitch (Music_xml_node):
def get_step (self):
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')
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'
+ error (_ ("requested time signature, but time sig is unknown"))
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"
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 __init__ (self):
self.instrument_name = ''
def get_duration_log (self):
- ch = self.get_maybe_exist_typed_child (get_class (u'type'))
+ ch = self.get_maybe_exist_named_child (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}.get (log)
- else:
- return 0
+ 'whole': 0,
+ 'breve': -1,
+ 'longa': -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
+ return 1
def get_pitches (self):
- return self.get_typed_children (get_class (u'pitch'))
+ return self.get_typed_children (get_class (u'pitch'))
class Part_list (Music_xml_node):
def __init__ (self):
if instrument_name:
return instrument_name
else:
- print "Opps, couldn't find instrument for ID=", id
+ ly.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'))
elif text == "_" and continued:
return "__"
elif continued and text:
- return text + " --"
+ return escape_ly_output_string (text) + " --"
elif continued:
return "--"
elif text:
- return text
+ return escape_ly_output_string (text)
else:
return ""
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
return self._lyrics
-
class Part (Music_xml_node):
def __init__ (self):
Music_xml_node.__init__ (self)
- self._voices = []
+ self._voices = {}
+ self._staff_attributes_dict = {}
def get_part_list (self):
n = self
def interpret (self):
"""Set durations and starting points."""
+ """The starting point of the very first note is 0!"""
part_list = self.get_part_list ()
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:
- measure_start_moment = now
- measure_position = Rational (0)
- for n in m.get_all_children ():
+ # 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:
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:
n.instrument_name = part_list.get_instrument (instrument.id)
- if attributes_object:
- 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':
- m.message ('%s measure? Expected: %s, Difference: %s' % (problem, now, new_now - now))
-
- now = new_now
+ # 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'))
- # 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) ):
+ 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) or isinstance (n, Direction):
- for v in voices.values ():
- v.add_element (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 not voices.has_key (id):
- voices[id] = Musicxml_voice()
+ 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)
- 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 (k,v) in voices.items ():
- v.insert (0, 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
+ 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):
else:
return None
- def get_tuplet (self):
- return self.get_maybe_exist_typed_child (Tuplet)
+ def get_tuplets (self):
+ return self.get_typed_children (Tuplet)
class Time_modification(Music_xml_node):
def get_fraction (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_node):
+class Tuplet (Music_xml_spanner):
pass
-class Slur (Music_xml_node):
+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_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 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
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
+ 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 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,
'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,
+ '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,
+ 'score-part': Score_part,
+ 'slide': Slide,
'slur': Slur,
+ 'staff': Staff,
'syllabic': Syllabic,
'text': Text,
'time-modification': Time_modification,
+ 'tuplet': Tuplet,
'type': Type,
+ 'unpitched': Unpitched,
+ 'wavy-line': Wavy_line,
+ 'wedge': Wedge,
+ 'words': Words,
'work': Work,
}
def lxml_demarshal_node (node):
name = node.tag
- if name is None:
+ # TODO: This is a nasty hack, but I couldn't find any other way to check
+ # if the given node is a comment node (class _Comment):
+ if name is None or re.match (u"^<!--.*-->$", node.__repr__()):
return None
klass = get_class (name)
py_node = klass()
projects / lilypond.git / blobdiff