X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=python%2Fmusicexp.py;h=b266830d0726bd32e43b884e5ae1e6e2f795836a;hb=2f996385b21b9d5006c7369c2c496ccbee001e97;hp=c70b396815939d4284ed384f51662f3f57e78027;hpb=555d8e498a31380d62be9f4853ab514b3786e986;p=lilypond.git diff --git a/python/musicexp.py b/python/musicexp.py index c70b396815..b266830d07 100644 --- a/python/musicexp.py +++ b/python/musicexp.py @@ -2,9 +2,19 @@ import inspect import sys import string import re +import lilylib + +_ = lilylib._ from rational import Rational +# Store previously converted pitch for \relative conversion as a global state variable +previous_pitch = None +relative_pitches = False + +def warning (str): + ly.stderr_write ((_ ("warning: %s") % str) + "\n") + def escape_instrument_string (input_string): retstring = string.replace (input_string, "\"", "\\\"") @@ -127,8 +137,8 @@ class Output_printer: self.newline () self._file.close () self._file = None - - + + class Duration: def __init__ (self): self.duration_log = 0 @@ -183,7 +193,71 @@ class Duration: return base * dot_fact * self.factor - + +# Implement the different note names for the various languages +def pitch_generic (pitch, notenames, accidentals): + str = notenames[pitch.step] + if pitch.alteration < 0: + str += accidentals[0] * (-pitch.alteration) + elif pitch.alteration > 0: + str += accidentals[3] * (pitch.alteration) + return str + +def pitch_general (pitch): + str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'b'], ['es', 'eh', 'ih', 'is']) + return str.replace ('aes', 'as').replace ('ees', 'es') + +def pitch_nederlands (pitch): + return pitch_general (pitch) + +def pitch_english (pitch): + str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'b'], ['f', 'qf', 'qs', 's']) + return str.replace ('aes', 'as').replace ('ees', 'es') + +def pitch_deutsch (pitch): + str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'h'], ['es', 'eh', 'ih', 'is']) + return str.replace ('hes', 'b').replace ('aes', 'as').replace ('ees', 'es') + +def pitch_norsk (pitch): + return pitch_deutsch (pitch) + +def pitch_svenska (pitch): + str = pitch_generic (pitch, ['c', 'd', 'e', 'f', 'g', 'a', 'h'], ['ess', '', '', 'iss']) + return str.replace ('hess', 'b').replace ('aes', 'as').replace ('ees', 'es') + +def pitch_italiano (pitch): + str = pitch_generic (pitch, ['do', 're', 'mi', 'fa', 'sol', 'la', 'si'], ['b', 'sb', 'sd', 'd']) + return str + +def pitch_catalan (pitch): + return pitch_italiano (pitch) + +def pitch_espanol (pitch): + str = pitch_generic (pitch, ['do', 're', 'mi', 'fa', 'sol', 'la', 'si'], ['b', '', '', 's']) + return str + +def pitch_vlaams (pitch): + str = pitch_generic (pitch, ['do', 're', 'mi', 'fa', 'sol', 'la', 'si'], ['b', '', '', 'k']) + return str + +def set_pitch_language (language): + global pitch_generating_function + function_dict = { + "nederlands": pitch_nederlands, + "english": pitch_english, + "deutsch": pitch_deutsch, + "norsk": pitch_norsk, + "svenska": pitch_svenska, + "italiano": pitch_italiano, + "catalan": pitch_catalan, + "espanol": pitch_espanol, + "vlaams": pitch_vlaams} + pitch_generating_function = function_dict.get (language, pitch_general) + +# global variable to hold the formatting function. +pitch_generating_function = pitch_general + + class Pitch: def __init__ (self): self.alteration = 0 @@ -230,21 +304,39 @@ class Pitch: return self.octave * 12 + [0,2,4,5,7,9,11][self.step] + self.alteration def ly_step_expression (self): - str = 'cdefgab'[self.step] - if self.alteration > 0: - str += 'is'* (self.alteration) - elif self.alteration < 0: - str += 'es'* (-self.alteration) + return pitch_generating_function (self) - return str.replace ('aes', 'as').replace ('ees', 'es') - - def ly_expression (self): - str = self.ly_step_expression () + def absolute_pitch (self): if self.octave >= 0: - str += "'" * (self.octave + 1) + return "'" * (self.octave + 1) elif self.octave < -1: - str += "," * (-self.octave - 1) - + return "," * (-self.octave - 1) + else: + return '' + + def relative_pitch (self): + global previous_pitch + if not previous_pitch: + previous_pitch = self + return self.absolute_pitch () + previous_pitch_steps = previous_pitch.octave * 7 + previous_pitch.step + this_pitch_steps = self.octave * 7 + self.step + pitch_diff = (this_pitch_steps - previous_pitch_steps) + previous_pitch = self + if pitch_diff > 3: + return "'" * ((pitch_diff + 3) / 7) + elif pitch_diff < -3: + return "," * ((-pitch_diff + 3) / 7) + else: + return "" + + def ly_expression (self): + str = self.ly_step_expression () + if relative_pitches: + str += self.relative_pitch () + else: + str += self.absolute_pitch () + return str def print_ly (self, outputter): @@ -332,6 +424,24 @@ class ModeChangingMusicWrapper (MusicWrapper): func ('\\%s' % self.mode) MusicWrapper.print_ly (self, func) +class RelativeMusic (MusicWrapper): + def __init__ (self): + MusicWrapper.__init__ (self) + self.basepitch = None + + def print_ly (self, func): + global previous_pitch + global relative_pitches + prev_relative_pitches = relative_pitches + relative_pitches = True + previous_pitch = self.basepitch + if not previous_pitch: + previous_pitch = Pitch () + func ('\\relative %s%s' % (pitch_generating_function (previous_pitch), + previous_pitch.absolute_pitch ())) + MusicWrapper.print_ly (self, func) + relative_pitches = prev_relative_pitches + class TimeScaledMusic (MusicWrapper): def print_ly (self, func): func ('\\times %d/%d ' % @@ -416,11 +526,11 @@ class SequentialMusic (NestedMusic): value = None at = len( self.elements ) - 1 while (at >= 0 and - not isinstance (self.elements[at], EventChord) and + not isinstance (self.elements[at], ChordEvent) and not isinstance (self.elements[at], BarLine)): at -= 1 - if (at >= 0 and isinstance (self.elements[at], EventChord)): + if (at >= 0 and isinstance (self.elements[at], ChordEvent)): value = self.elements[at] return value @@ -464,7 +574,8 @@ class RepeatedMusic: self.music = SequentialMusic () self.music.elements = music else: - sys.stderr.write ("WARNING: Unable to set the music %s for the repeat %s" % (music, self)) + warning (_ ("unable to set the music %(music)s for the repeat %(repeat)s" % \ + {'music':music, 'repeat':self})) def add_ending (self, music): self.endings.append (music) def print_ly (self, printer): @@ -472,7 +583,7 @@ class RepeatedMusic: if self.music: self.music.print_ly (printer) else: - sys.stderr.write ("WARNING: Encountered repeat without body\n") + warning (_ ("encountered repeat without body")) printer.dump ('{}') if self.endings: printer.dump ('\\alternative {') @@ -559,7 +670,7 @@ class Paper: printer.newline () -class EventChord (NestedMusic): +class ChordEvent (NestedMusic): def __init__ (self): NestedMusic.__init__ (self) self.grace_elements = None @@ -594,14 +705,25 @@ class EventChord (NestedMusic): printer ('\\grace') # don't print newlines after the { and } braces self.grace_elements.print_ly (printer, False) + # Print all overrides and other settings needed by the + # articulations/ornaments before the note + for e in other_events: + e.print_before_note (printer) if rest_events: rest_events[0].print_ly (printer) elif len (note_events) == 1: note_events[0].print_ly (printer) elif note_events: - pitches = [x.pitch.ly_expression () for x in note_events] + global previous_pitch + pitches = [] + basepitch = None + for x in note_events: + pitches.append (x.pitch.ly_expression ()) + if not basepitch: + basepitch = previous_pitch printer ('<%s>' % string.join (pitches)) + previous_pitch = basepitch note_events[0].duration.print_ly (printer) else: pass @@ -609,6 +731,9 @@ class EventChord (NestedMusic): for e in other_events: e.print_ly (printer) + for e in other_events: + e.print_after_note (printer) + self.print_comment (printer) class Partial (Music): @@ -645,6 +770,19 @@ class BarLine (Music): return " | " class Event(Music): + def __init__ (self): + # strings to print before the note to which an event is attached. + # Ignored for notes etc. + self.before_note = None + self.after_note = None + # print something before the note to which an event is attached, e.g. overrides + def print_before_note (self, printer): + if self.before_note: + printer.dump (self.before_note) + # print something after the note to which an event is attached, e.g. resetting + def print_after_note (self, printer): + if self.after_note: + printer.dump (self.after_note) pass class SpanEvent (Event): @@ -662,34 +800,45 @@ class SpanEvent (Event): self.span_type = type class SlurEvent (SpanEvent): + def print_before_note (self, printer): + command = {'dotted': '\\slurDotted', + 'dashed' : '\\slurDashed'}.get (self.line_type, '') + if command and self.span_direction == -1: + printer.dump (command) + def print_after_note (self, printer): + # reset non-solid slur types! + command = {'dotted': '\\slurSolid', + 'dashed' : '\\slurSolid'}.get (self.line_type, '') + if command and self.span_direction == -1: + printer.dump (command) def ly_expression (self): - before = '' - after = '' - # TODO: setting dashed/dotted line style does not work, because that - # command needs to be written before the note, not when the - # event is observed after the note! - #before = {'dotted': '\\slurDotted', - # 'dashed' : '\\slurDashed'}.get (self.line_type, '') - #if before: - #after = '\\slurSolid' - - return {-1: before + '(' + after, - 1:')'}.get (self.span_direction, '') + return {-1: '(', 1:')'}.get (self.span_direction, '') class BeamEvent (SpanEvent): def ly_expression (self): - return {-1: '[', - 1:']'}.get (self.span_direction, '') + return {-1: '[', 1:']'}.get (self.span_direction, '') class PedalEvent (SpanEvent): def ly_expression (self): return {-1: '\\sustainDown', + 0:'\\sustainUp\\sustainDown', 1:'\\sustainUp'}.get (self.span_direction, '') +class TextSpannerEvent (SpanEvent): + def ly_expression (self): + return {-1: '\\startTextSpan', + 1:'\\stopTextSpan'}.get (self.span_direction, '') + +class BracketSpannerEvent (SpanEvent): + def ly_expression (self): + return {-1: '\\startGroup', + 1:'\\stopGroup'}.get (self.span_direction, '') + + # type==-1 means octave up, type==-2 means octave down class OctaveShiftEvent (SpanEvent): def wait_for_note (self): - return False; + return False def set_span_type (self, type): self.span_type = {'up': 1, 'down': -1}.get (type, 0) def ly_octave_shift_indicator (self): @@ -714,24 +863,37 @@ class TrillSpanEvent (SpanEvent): 1:'\\stopTrillSpan'}.get (self.span_direction, '') class GlissandoEvent (SpanEvent): + def print_before_note (self, printer): + if self.span_direction == -1: + style= { + "dashed" : "dashed-line", + "dotted" : "dotted-line", + "wavy" : "zigzag" + }. get (self.line_type, None) + if style: + printer.dump ("\once \override Glissando #'style = #'%s" % style) def ly_expression (self): - style = '' - # TODO: wavy-line glissandos don't work, becasue the style has to be - # set before the note, at the \glissando it's already too late! - #if self.line_type == 'wavy': - #style = "\once\override Glissando #'style = #'zigzag" - # In lilypond, glissando is NOT a spanner, unlike MusicXML. - return {-1: style + '\\glissando', + return {-1: '\\glissando', 1:''}.get (self.span_direction, '') class ArpeggioEvent(Event): def __init__ (self): Event.__init__ (self) self.direction = 0 + self.non_arpeggiate = False def wait_for_note (self): - return True; + return True + def print_before_note (self, printer): + if self.non_arpeggiate: + printer.dump ("\\arpeggioBracket") + else: + dir = { -1: "\\arpeggioDown", 1: "\\arpeggioUp" }.get (self.direction, '') + if dir: + printer.dump (dir) + def print_after_note (self, printer): + if self.non_arpeggiate or self.direction: + printer.dump ("\\arpeggioNeutral") def ly_expression (self): - # TODO: Use self.direction for up/down arpeggios return ('\\arpeggio') @@ -761,32 +923,45 @@ class HairpinEvent (SpanEvent): class DynamicsEvent (Event): def __init__ (self): + Event.__init__ (self) self.type = None - self.available_commands = [ "ppppp", "pppp", "ppp", "pp", "p", - "mp", "mf", - "f", "ff", "fff", "ffff", - "fp", "sf", "sff", "sp", "spp", "sfz", "rfz" ]; def wait_for_note (self): - return True; + return True def ly_expression (self): - if self.type == None: - return; - elif self.type in self.available_commands: + if self.type: return '\%s' % self.type else: - return '-\markup{ \dynamic %s }' % self.type - - def print_ly (self, printer): - if self.type == None: return - elif self.type in self.available_commands: + + def print_ly (self, printer): + if self.type: printer.dump ("\\%s" % self.type) + +class MarkEvent (Event): + def __init__ (self, text="\\default"): + Event.__init__ (self) + self.mark = text + def wait_for_note (self): + return False + def ly_contents (self): + if self.mark: + return '%s' % self.mark else: - printer.dump ("-\\markup{ \\dynamic %s }" % self.type) + return "\"ERROR\"" + def ly_expression (self): + return '\\mark %s' % self.ly_contents () + +class MusicGlyphMarkEvent (MarkEvent): + def ly_contents (self): + if self.mark: + return '\\markup { \\musicglyph #"scripts.%s" }' % self.mark + else: + return '' class TextEvent (Event): def __init__ (self): + Event.__init__ (self) self.Text = None self.force_direction = None self.markup = '' @@ -804,10 +979,11 @@ class TextEvent (Event): class ArticulationEvent (Event): def __init__ (self): + Event.__init__ (self) self.type = None self.force_direction = None def wait_for_note (self): - return True; + return True def direction_mod (self): return { 1: '^', -1: '_', 0: '-' }.get (self.force_direction, '') @@ -1068,7 +1244,7 @@ class MultiMeasureRest(Music): 'elements (list (make-music (quote BarCheck)) (make-music - 'EventChord + 'ChordEvent 'elements (list (make-music 'MultiMeasureRestEvent @@ -1256,7 +1432,7 @@ def test_pitch (): def test_printer (): def make_note (): - evc = EventChord() + evc = ChordEvent() n = NoteEvent() evc.append (n) return n @@ -1286,21 +1462,21 @@ def test_printer (): def test_expr (): m = SequentialMusic() l = 2 - evc = EventChord() + evc = ChordEvent() n = NoteEvent() n.duration.duration_log = l n.pitch.step = 1 evc.insert_around (None, n, 0) m.insert_around (None, evc, 0) - evc = EventChord() + evc = ChordEvent() n = NoteEvent() n.duration.duration_log = l n.pitch.step = 3 evc.insert_around (None, n, 0) m.insert_around (None, evc, 0) - evc = EventChord() + evc = ChordEvent() n = NoteEvent() n.duration.duration_log = l n.pitch.step = 2 @@ -1311,7 +1487,7 @@ def test_expr (): evc.type = 'treble' m.insert_around (None, evc, 0) - evc = EventChord() + evc = ChordEvent() tonic = Pitch () tonic.step = 2 tonic.alteration = -2