software.append (s.get_text ())
return software
+ def get_file_description (self):
+ misc = self.get_named_children ('miscellaneous')
+ for m in misc:
+ misc_fields = m.get_named_children ('miscellaneous-field')
+ for mf in misc_fields:
+ if hasattr (mf, 'name') and mf.name == 'description':
+ return mf.get_text ()
+ return None
+
class Duration (Music_xml_node):
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 ()]
+ # Look at all measure elements (previously we had self.__class__, which
+ # only looked at objects of the same type!
+ cn = self._parent.get_typed_children (Measure_element)
+ # But only look at the correct voice; But include Attributes, too, which
+ # are not tied to any particular voice
+ cn = [c for c in cn if (c.get_voice_id () == self.get_voice_id ()) or isinstance (c, Attributes)]
return cn[0] == self
class Attributes (Measure_element):
def __init__ (self):
Measure_element.__init__ (self)
self._dict = {}
+ self._original_tag = None
+ def is_first (self):
+ cn = self._parent.get_typed_children (self.__class__)
+ if self._original_tag:
+ return cn[0] == self._original_tag
+ else:
+ return cn[0] == self
+
def set_attributes_from_previous (self, dict):
self._dict.update (dict)
def __init__ (self):
Measure_element.__init__ (self)
self.instrument_name = ''
-
+ self._after_grace = False
+ def is_grace (self):
+ return self.get_maybe_exist_named_child (u'grace')
+ def is_after_grace (self):
+ if not self.is_grace():
+ return False;
+ gr = self.get_maybe_exist_typed_child (Grace)
+ return self._after_grace or hasattr (gr, 'steal-time-previous');
+
def get_duration_log (self):
ch = self.get_maybe_exist_named_child (u'type')
measure_start_moment = now
is_first_measure = True
previous_measure = None
+ # Graces at the end of a measure need to have their position set to the
+ # previous number!
+ pending_graces = []
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,
# and should not change the current measure position!
if isinstance (n, FiguredBass):
n._divisions = factor.denominator ()
+ n._when = now
+ n._measure_position = measure_position
continue
if isinstance (n, Hash_text):
if n.get_name() == 'backup':
dur = - dur
+ # reset all graces before the backup to after-graces:
+ for n in pending_graces:
+ n._when = n._prev_when
+ n._measure_position = n._prev_measure_position
+ n._after_grace = True
+ pending_graces = []
if n.get_maybe_exist_typed_child (Grace):
dur = Rational (0)
n._when = now
n._measure_position = measure_position
+
+ # For all grace notes, store the previous note, in case need
+ # to turn the grace note into an after-grace later on!
+ if isinstance(n, Note) and n.is_grace ():
+ n._prev_when = last_moment
+ n._prev_measure_position = last_measure_position
+ # After-graces are placed at the same position as the previous note
+ if isinstance(n, Note) and n.is_after_grace ():
+ # TODO: We should do the same for grace notes at the end of
+ # a measure with no following note!!!
+ n._when = last_moment
+ n._measure_position = last_measure_position
+ elif isinstance(n, Note) and n.is_grace ():
+ pending_graces.append (n)
+ elif (dur > Rational (0)):
+ pending_graces = [];
+
n._duration = dur
if dur > Rational (0):
last_moment = now
if instrument:
n.instrument_name = part_list.get_instrument (instrument.id)
+ # reset all graces at the end of the measure to after-graces:
+ for n in pending_graces:
+ n._when = n._prev_when
+ n._measure_position = n._prev_measure_position
+ n._after_grace = True
+ pending_graces = []
# Incomplete first measures are not padded, but registered as partial
if is_first_measure:
is_first_measure = False
# 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
+ attributes._original_tag = attr
+ # 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):