from rational import Rational
+
+def escape_instrument_string (input_string):
+ retstring = string.replace (input_string, "\"", "\\\"")
+ if re.match ('.*\n.*', retstring):
+ strings = retstring.split ('\r\n')
+ retstring = "\\markup { \\column { "
+ for s in strings:
+ retstring += "\\line {\"" + s + "\"} "
+ retstring += "} }"
+ else:
+ retstring = "\"" + retstring + "\""
+ return retstring
+
class Output_stack_element:
def __init__ (self):
self.factor = Rational (1)
self._line += str
def unformatted_output (self, str):
- self._nesting += str.count ('<') + str.count ('{')
- self._nesting -= str.count ('>') + str.count ('}')
+ # don't indent on \< and indent only once on <<
+ self._nesting += ( str.count ('<')
+ - str.count ('\<') - str.count ('<<')
+ + str.count ('{') )
+ self._nesting -= ( str.count ('>') - str.count ('\>') - str.count ('>>')
+ - str.count ('->') - str.count ('_>')
+ - str.count ('^>')
+ + str.count ('}') )
self.print_verbatim (str)
def print_duration_string (self, str):
str = '%d%s' % (1 << self.duration_log, '.'*self.dots)
if factor <> Rational (1,1):
- str += '*%d/%d' % (factor.numerator (), factor.denominator ())
+ if factor.denominator () <> 1:
+ str += '*%d/%d' % (factor.numerator (), factor.denominator ())
+ else:
+ str += '*%d' % factor.numerator ()
return str
return None
class SequentialMusic (NestedMusic):
- def print_ly (self, printer):
+ def get_last_event_chord (self):
+ value = None
+ at = len( self.elements ) - 1
+ while (at >= 0 and
+ not isinstance (self.elements[at], EventChord) and
+ not isinstance (self.elements[at], BarLine)):
+ at -= 1
+
+ if (at >= 0 and isinstance (self.elements[at], EventChord)):
+ value = self.elements[at]
+ return value
+
+ def print_ly (self, printer, newline = True):
printer ('{')
if self.comment:
self.print_comment (printer)
- printer.newline()
+ if newline:
+ printer.newline()
for e in self.elements:
e.print_ly (printer)
printer ('}')
- printer.newline()
+ if newline:
+ printer.newline()
def lisp_sub_expression (self, pred):
name = self.name()
e.set_start (start)
start += e.get_length()
+class RepeatedMusic:
+ def __init__ (self):
+ self.repeat_type = "volta"
+ self.repeat_count = 2
+ self.endings = []
+ self.music = None
+ def set_music (self, music):
+ if isinstance (music, Music):
+ self.music = music
+ elif isinstance (music, list):
+ self.music = SequentialMusic ()
+ self.music.elements = music
+ else:
+ sys.stderr.write ("WARNING: Unable to set the music %s for the repeat %s" % (music, self))
+ def add_ending (self, music):
+ self.endings.append (music)
+ def print_ly (self, printer):
+ printer.dump ('\\repeat %s %s' % (self.repeat_type, self.repeat_count))
+ if self.music:
+ self.music.print_ly (printer)
+ else:
+ sys.stderr.write ("WARNING: Encountered repeat without body\n")
+ printer.dump ('{}')
+ if self.endings:
+ printer.dump ('\\alternative {')
+ for e in self.endings:
+ e.print_ly (printer)
+ printer.dump ('}')
+
+
class Lyrics:
def __init__ (self):
self.lyrics_syllables = []
return lstr
-class EventChord(NestedMusic):
+class Header:
+ def __init__ (self):
+ self.header_fields = {}
+ def set_field (self, field, value):
+ self.header_fields[field] = value
+
+ def print_ly (self, printer):
+ printer.dump ("\header {")
+ printer.newline ()
+ for (k,v) in self.header_fields.items ():
+ if v:
+ printer.dump ('%s = %s' % (k,v))
+ printer.newline ()
+ printer.dump ("}")
+ printer.newline ()
+ printer.newline ()
+
+
+
+
+class EventChord (NestedMusic):
+ def __init__ (self):
+ NestedMusic.__init__ (self)
+ self.grace_elements = None
+ self.grace_type = None
+ def append_grace (self, element):
+ if element:
+ if not self.grace_elements:
+ self.grace_elements = SequentialMusic ()
+ self.grace_elements.append (element)
+
def get_length (self):
l = Rational (0)
for e in self.elements:
other_events = [e for e in self.elements if
not isinstance (e, RhythmicEvent)]
+ if self.grace_elements and self.elements:
+ if self.grace_type:
+ printer ('\\%s' % self.grace_type)
+ else:
+ printer ('\\grace')
+ # don't print newlines after the { and } braces
+ self.grace_elements.print_ly (printer, False)
+
if rest_events:
rest_events[0].print_ly (printer)
elif len (note_events) == 1:
self.print_comment (printer)
+class Partial (Music):
+ def __init__ (self):
+ Music.__init__ (self)
+ self.partial = None
+ def print_ly (self, printer):
+ if self.partial:
+ printer.dump ("\\partial %s" % self.partial.ly_expression ())
-class BarCheck (Music):
+class BarLine (Music):
def __init__ (self):
Music.__init__ (self)
self.bar_number = 0
+ self.type = None
def print_ly (self, printer):
+ bar_symbol = { 'regular': "|", 'dotted': ":", 'dashed': ":",
+ 'heavy': "|", 'light-light': "||", 'light-heavy': "|.",
+ 'heavy-light': ".|", 'heavy-heavy': ".|.", 'tick': "'",
+ 'short': "'", 'none': "" }.get (self.type, None)
+ if bar_symbol <> None:
+ printer.dump ('\\bar "%s"' % bar_symbol)
+ else:
+ printer.dump ("|")
+
if self.bar_number > 0 and (self.bar_number % 10) == 0:
- printer.dump ("| \\barNumberCheck #%d " % self.bar_number)
- printer.newline ()
+ printer.dump ("\\barNumberCheck #%d " % self.bar_number)
else:
- printer.dump ("| ")
printer.print_verbatim (' %% %d' % self.bar_number)
- printer.newline ()
-
+ printer.newline ()
def ly_expression (self):
return " | "
pass
class SpanEvent (Event):
- def __init__(self):
+ def __init__ (self):
Event.__init__ (self)
- self.span_direction = 0
+ self.span_direction = 0 # start/stop
+ self.line_type = 'solid'
+ self.span_type = 0 # e.g. cres/decrescendo, ottava up/down
+ self.size = 0 # size of e.g. ocrave shift
+ def wait_for_note (self):
+ return True
def get_properties(self):
return "'span-direction %d" % self.span_direction
-
+ def set_span_type (self, type):
+ self.span_type = type
+
class SlurEvent (SpanEvent):
def ly_expression (self):
- return {-1: '(',
- 0:'',
+ 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, '')
class BeamEvent (SpanEvent):
def ly_expression (self):
return {-1: '[',
- 0:'',
1:']'}.get (self.span_direction, '')
+class PedalEvent (SpanEvent):
+ def ly_expression (self):
+ return {-1: '\\sustainDown',
+ 1:'\\sustainUp'}.get (self.span_direction, '')
+
+# type==-1 means octave up, type==-2 means octave down
+class OctaveShiftEvent (SpanEvent):
+ def wait_for_note (self):
+ return False;
+ def set_span_type (self, type):
+ self.span_type = {'up': 1, 'down': -1}.get (type, 0)
+ def ly_octave_shift_indicator (self):
+ # convert 8/15 to lilypond indicators (+-1/+-2)
+ value = {8: 1, 15: 2}.get (self.size, 0)
+ # negative values go up!
+ value *= -1*self.span_type
+ return value
+ def ly_expression (self):
+ dir = self.ly_octave_shift_indicator ()
+ value = ''
+ if dir:
+ value = '#(set-octavation %s)' % dir
+ return {
+ -1: value,
+ 1: '#(set-octavation 0)'}.get (self.span_direction, '')
+
+class TrillSpanEvent (SpanEvent):
+ def ly_expression (self):
+ return {-1: '\\startTrillSpan',
+ 0: '', # no need to write out anything for type='continue'
+ 1:'\\stopTrillSpan'}.get (self.span_direction, '')
+
+class GlissandoEvent (SpanEvent):
+ 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',
+ 1:''}.get (self.span_direction, '')
+
class ArpeggioEvent(Event):
+ def wait_for_note (self):
+ return True;
def ly_expression (self):
return ('\\arpeggio')
return '~'
-class HairpinEvent (Event):
- def __init__ (self, type):
- self.type = type
+class HairpinEvent (SpanEvent):
+ def set_span_type (self, type):
+ self.span_type = {'crescendo' : 1, 'decrescendo' : -1, 'diminuendo' : -1 }.get (type, 0)
def hairpin_to_ly (self):
- return { 0: '\!', 1: '\<', -1: '\>' }.get (self.type, '')
+ if self.span_direction == 1:
+ return '\!'
+ else:
+ return {1: '\<', -1: '\>'}.get (self.span_type, '')
def ly_expression (self):
return self.hairpin_to_ly ()
"mp", "mf",
"f", "ff", "fff", "ffff",
"fp", "sf", "sff", "sp", "spp", "sfz", "rfz" ];
+ def wait_for_note (self):
+ return True;
def ly_expression (self):
if self.type == None:
return;
elif self.type in self.available_commands:
return '\%s' % self.type
else:
- return '\markup{ \dynamic %s }' % self.type
+ return '-\markup{ \dynamic %s }' % self.type
def print_ly (self, printer):
if self.type == None:
elif self.type in self.available_commands:
printer.dump ("\\%s" % self.type)
else:
- printer.dump ("\\markup{ \\dynamic %s }" % self.type)
+ printer.dump ("-\\markup{ \\dynamic %s }" % self.type)
+class TextEvent (Event):
+ def __init__ (self):
+ self.Text = None
+ self.force_direction = None
+ self.markup = ''
+ def wait_for_note (self):
+ return True
+
+ def direction_mod (self):
+ return { 1: '^', -1: '_', 0: '-' }.get (self.force_direction, '-')
+
+ def ly_expression (self):
+ base_string = '%s\"%s\"'
+ if self.markup:
+ base_string = '%s\markup{ ' + self.markup + ' {%s} }'
+ return base_string % (self.direction_mod (), self.text)
+
class ArticulationEvent (Event):
def __init__ (self):
self.type = None
self.force_direction = None
+ def wait_for_note (self):
+ return True;
def direction_mod (self):
return { 1: '^', -1: '_', 0: '-' }.get (self.force_direction, '')
def ly_expression (self):
return '%s\\%s' % (self.direction_mod (), self.type)
+class ShortArticulationEvent (ArticulationEvent):
+ def direction_mod (self):
+ # default is -
+ return { 1: '^', -1: '_', 0: '-' }.get (self.force_direction, '-')
+ def ly_expression (self):
+ return '%s%s' % (self.direction_mod (), self.type)
+
+class NoDirectionArticulationEvent (ArticulationEvent):
+ def ly_expression (self):
+ return '\\%s' % self.type
+
+class MarkupEvent (ShortArticulationEvent):
+ def __init__ (self):
+ ArticulationEvent.__init__ (self)
+ self.contents = None
+ def ly_expression (self):
+ if self.contents:
+ return "%s\\markup { %s }" % (self.direction_mod (), self.contents)
+ else:
+ return ''
-class TremoloEvent (Event):
+class FretEvent (MarkupEvent):
def __init__ (self):
- self.bars = 0;
+ MarkupEvent.__init__ (self)
+ self.force_direction = 1
+ self.strings = 6
+ self.frets = 4
+ self.barre = None
+ self.elements = []
+ def ly_expression (self):
+ val = ""
+ if self.strings <> 6:
+ val += "w:%s;" % self.strings
+ if self.frets <> 4:
+ val += "h:%s;" % self.frets
+ if self.barre and len (self.barre) >= 3:
+ val += "c:%s-%s-%s;" % (self.barre[0], self.barre[1], self.barre[2])
+ have_fingering = False
+ for i in self.elements:
+ if len (i) > 1:
+ val += "%s-%s" % (i[0], i[1])
+ if len (i) > 2:
+ have_fingering = True
+ val += "-%s" % i[2]
+ val += ";"
+ if have_fingering:
+ val = "f:1;" + val
+ if val:
+ return "%s\\markup { \\fret-diagram #\"%s\" }" % (self.direction_mod (), val)
+ else:
+ return ''
+
+class TremoloEvent (ArticulationEvent):
+ def __init__ (self):
+ Event.__init__ (self)
+ self.bars = 0
def ly_expression (self):
str=''
- if self.bars > 0:
+ if self.bars and self.bars > 0:
str += ':%s' % (2 ** (2 + string.atoi (self.bars)))
return str
+class BendEvent (ArticulationEvent):
+ def __init__ (self):
+ Event.__init__ (self)
+ self.alter = 0
+ def ly_expression (self):
+ if self.alter:
+ return "-\\bendAfter #%s" % self.alter
+ else:
+ return ''
class RhythmicEvent(Event):
def __init__ (self):
% self.duration.lisp_expression ())
class RestEvent (RhythmicEvent):
+ def __init__ (self):
+ RhythmicEvent.__init__ (self)
+ self.pitch = None
def ly_expression (self):
- return 'r%s' % self.duration.ly_expression ()
+ if self.pitch:
+ return "%s%s\\rest" % (self.pitch.ly_expression (), self.duration.ly_expression ())
+ else:
+ return 'r%s' % self.duration.ly_expression ()
def print_ly (self, printer):
- printer('r')
- self.duration.print_ly (printer)
+ if self.pitch:
+ self.pitch.print_ly (printer)
+ self.duration.print_ly (printer)
+ printer ('\\rest')
+ else:
+ printer('r')
+ self.duration.print_ly (printer)
class SkipEvent (RhythmicEvent):
def ly_expression (self):
self.forced_accidental = False
def get_properties (self):
- str = RhythmicEvent.get_properties ()
+ str = RhythmicEvent.get_properties (self)
if self.pitch:
str += self.pitch.lisp_expression ()
def __init__ (self):
Music.__init__ (self)
self.type = 'G'
-
-
+ self.position = 2
+ self.octave = 0
+
+ def octave_modifier (self):
+ return {1: "^8", 2: "^15", -1: "_8", -2: "_15"}.get (self.octave, '')
+ def clef_name (self):
+ return {('G', 2): "treble",
+ ('G', 1): "french",
+ ('C', 1): "soprano",
+ ('C', 2): "mezzosoprano",
+ ('C', 3): "alto",
+ ('C', 4): "tenor",
+ ('C', 5): "baritone",
+ ('F', 3): "varbaritone",
+ ('F', 4): "bass",
+ ('F', 5): "subbass",
+ ("percussion", 2): "percussion",
+ ("TAB", 5): "tab"}.get ((self.type, self.position), None)
def ly_expression (self):
- return '\\clef "%s"' % self.type
+ return '\\clef "%s%s"' % (self.clef_name (), self.octave_modifier ())
+
clef_dict = {
"G": ("clefs.G", -2, -6),
"C": ("clefs.C", 0, 0),
}
def lisp_expression (self):
- (glyph, pos, c0) = self.clef_dict.get (self.type)
+ try:
+ (glyph, pos, c0) = self.clef_dict[self.type]
+ except KeyError:
+ return ""
clefsetting = """
(make-music 'SequentialMusic
'elements (list
return clefsetting
+class StaffChange (Music):
+ def __init__ (self, staff):
+ Music.__init__ (self)
+ self.staff = staff
+ def ly_expression (self):
+ if self.staff:
+ return "\\change Staff=\"%s\"" % self.staff
+ else:
+ return ''
+
+
class MultiMeasureRest(Music):
def lisp_expression (self):
return 'R%s' % self.duration.ly_expression ()
+class StaffGroup:
+ def __init__ (self, command = "StaffGroup"):
+ self.stafftype = command
+ self.id = None
+ self.instrument_name = None
+ self.short_instrument_name = None
+ self.symbol = None
+ self.spanbar = None
+ self.children = []
+ self.is_group = True
+ # part_information is a list with entries of the form
+ # [staffid, voicelist]
+ # where voicelist is a list with entries of the form
+ # [voiceid1, [lyricsid11, lyricsid12,...] ]
+ self.part_information = None
+
+ def append_staff (self, staff):
+ self.children.append (staff)
+
+ def set_part_information (self, part_name, staves_info):
+ if part_name == self.id:
+ self.part_information = staves_info
+ else:
+ for c in self.children:
+ c.set_part_information (part_name, staves_info)
+
+ def print_ly_contents (self, printer):
+ for c in self.children:
+ if c:
+ c.print_ly (printer)
+ def print_ly_overrides (self, printer):
+ needs_with = False
+ needs_with |= self.spanbar == "no"
+ needs_with |= self.instrument_name != None
+ needs_with |= self.short_instrument_name != None
+ needs_with |= (self.symbol != None) and (self.symbol != "bracket")
+ if needs_with:
+ printer.dump ("\\with {")
+ if self.instrument_name or self.short_instrument_name:
+ printer.dump ("\\consists \"Instrument_name_engraver\"")
+ if self.spanbar == "no":
+ printer.dump ("\\override SpanBar #'transparent = ##t")
+ brack = {"brace": "SystemStartBrace",
+ "none": "f",
+ "line": "SystemStartSquare"}.get (self.symbol, None)
+ if brack:
+ printer.dump ("systemStartDelimiter = #'%s" % brack)
+ printer.dump ("}")
+
+ def print_ly (self, printer):
+ if self.stafftype:
+ printer.dump ("\\new %s" % self.stafftype)
+ self.print_ly_overrides (printer)
+ printer.dump ("<<")
+ printer.newline ()
+ if self.stafftype and self.instrument_name:
+ printer.dump ("\\set %s.instrumentName = %s" % (self.stafftype,
+ escape_instrument_string (self.instrument_name)))
+ printer.newline ()
+ if self.stafftype and self.short_instrument_name:
+ printer.dump ("\\set %s.shortInstrumentName = %s" % (self.stafftype,
+ escape_instrument_string (self.short_instrument_name)))
+ printer.newline ()
+ self.print_ly_contents (printer)
+ printer.newline ()
+ printer.dump (">>")
+ printer.newline ()
+
+
+class Staff (StaffGroup):
+ def __init__ (self):
+ StaffGroup.__init__ (self, "Staff")
+ self.is_group = False
+ self.part = None
+
+ def print_ly_overrides (self, printer):
+ pass
+
+ def print_ly_contents (self, printer):
+ if not self.id or not self.part_information:
+ return
+
+ for [staff_id, voices] in self.part_information:
+ if staff_id:
+ printer ('\\context Staff = "%s" << ' % staff_id)
+ else:
+ printer ('\\context Staff << ')
+ printer.newline ()
+ n = 0
+ nr_voices = len (voices)
+ for [v, lyrics] in voices:
+ n += 1
+ voice_count_text = ''
+ if nr_voices > 1:
+ voice_count_text = {1: ' \\voiceOne', 2: ' \\voiceTwo',
+ 3: ' \\voiceThree'}.get (n, ' \\voiceFour')
+ printer ('\\context Voice = "%s" {%s \\%s }' % (v,voice_count_text,v))
+ printer.newline ()
+
+ for l in lyrics:
+ printer ('\\new Lyrics \\lyricsto "%s" \\%s' % (v,l))
+ printer.newline()
+ printer ('>>')
+
+ def print_ly (self, printer):
+ if self.part_information and len (self.part_information) > 1:
+ self.stafftype = "PianoStaff"
+ StaffGroup.print_ly (self, printer)
+
+
def test_pitch ():
bflat = Pitch()
bflat.alteration = -1
projects / lilypond.git / blobdiff