import sys
import string
import re
+import lilylib as ly
+
+_ = ly._
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, "\"", "\\\"")
+ if re.match ('.*[\r\n]+.*', retstring):
+ rx = re.compile (r'[\n\r]+')
+ strings = rx.split (retstring)
+ 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)
- def copy (self):
- o = Output_stack_element()
- o.factor = self.factor
- return o
+ def __init__ (self):
+ self.factor = Rational (1)
+ def copy (self):
+ o = Output_stack_element()
+ o.factor = self.factor
+ return o
class Output_printer:
- """A class that takes care of formatting (eg.: indenting) a
- Music expression as a .ly file.
-
- """
- ## TODO: support for \relative.
-
- def __init__ (self):
- self._line = ''
- self._indent = 4
- self._nesting = 0
- self._file = sys.stdout
- self._line_len = 72
- self._output_state_stack = [Output_stack_element()]
- self._skipspace = False
- self._last_duration = None
-
- def set_file (self, file):
- self._file = file
-
- def dump_version (self):
- self.newline ()
- self.print_verbatim ('\\version "@TOPLEVEL_VERSION@"')
- self.newline ()
-
- def get_indent (self):
- return self._nesting * self._indent
-
- def override (self):
- last = self._output_state_stack[-1]
- self._output_state_stack.append (last.copy())
-
- def add_factor (self, factor):
- self.override()
- self._output_state_stack[-1].factor *= factor
-
- def revert (self):
- del self._output_state_stack[-1]
- if not self._output_state_stack:
- raise 'empty'
-
- def duration_factor (self):
- return self._output_state_stack[-1].factor
-
- def print_verbatim (self, str):
- self._line += str
-
- def unformatted_output (self, str):
- self._nesting += str.count ('<') + str.count ('{')
- self._nesting -= str.count ('>') + str.count ('}')
- self.print_verbatim (str)
-
- def print_duration_string (self, str):
- if self._last_duration == str:
- return
-
- self.unformatted_output (str)
-
- def add_word (self, str):
- if (len (str) + 1 + len (self._line) > self._line_len):
- self.newline()
- self._skipspace = True
-
- if not self._skipspace:
- self._line += ' '
- self.unformatted_output (str)
- self._skipspace = False
-
- def newline (self):
- self._file.write (self._line + '\n')
- self._line = ' ' * self._indent * self._nesting
- self._skipspace = True
-
- def skipspace (self):
- self._skipspace = True
-
- def __call__(self, arg):
- self.dump (arg)
-
- def dump (self, str):
-
- if self._skipspace:
- self._skipspace = False
- self.unformatted_output (str)
- else:
- words = string.split (str)
- for w in words:
- self.add_word (w)
+ """A class that takes care of formatting (eg.: indenting) a
+ Music expression as a .ly file.
+
+ """
+
+ def __init__ (self):
+ self._line = ''
+ self._indent = 4
+ self._nesting = 0
+ self._file = sys.stdout
+ self._line_len = 72
+ self._output_state_stack = [Output_stack_element()]
+ self._skipspace = False
+ self._last_duration = None
+
+ def set_file (self, file):
+ self._file = file
+
+ def dump_version (self):
+ self.newline ()
+ self.print_verbatim ('\\version "@TOPLEVEL_VERSION@"')
+ self.newline ()
+
+ def get_indent (self):
+ return self._nesting * self._indent
+
+ def override (self):
+ last = self._output_state_stack[-1]
+ self._output_state_stack.append (last.copy())
+
+ def add_factor (self, factor):
+ self.override()
+ self._output_state_stack[-1].factor *= factor
+
+ def revert (self):
+ del self._output_state_stack[-1]
+ if not self._output_state_stack:
+ raise 'empty'
+
+ def duration_factor (self):
+ return self._output_state_stack[-1].factor
+
+ def print_verbatim (self, str):
+ self._line += str
+
+ def unformatted_output (self, str):
+ # 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):
+ if self._last_duration == str:
+ return
+
+ self.unformatted_output (str)
+
+ def add_word (self, str):
+ if (len (str) + 1 + len (self._line) > self._line_len):
+ self.newline()
+ self._skipspace = True
+
+ if not self._skipspace:
+ self._line += ' '
+ self.unformatted_output (str)
+ self._skipspace = False
+
+ def newline (self):
+ self._file.write (self._line + '\n')
+ self._line = ' ' * self._indent * self._nesting
+ self._skipspace = True
+
+ def skipspace (self):
+ self._skipspace = True
+
+ def __call__(self, arg):
+ self.dump (arg)
+
+ def dump (self, str):
+ if self._skipspace:
+ self._skipspace = False
+ self.unformatted_output (str)
+ else:
+ words = string.split (str)
+ for w in words:
+ self.add_word (w)
+
+
+ def close (self):
+ self.newline ()
+ self._file.close ()
+ self._file = None
+
class Duration:
- def __init__ (self):
- self.duration_log = 0
- self.dots = 0
- self.factor = Rational (1)
-
- def lisp_expression (self):
- return '(ly:make-duration %d %d %d %d)' % (self.duration_log,
- self.dots,
- self.factor.numerator (),
- self.factor.denominator ())
-
-
- def ly_expression (self, factor = None):
- if not factor:
- factor = self.factor
-
- str = '%d%s' % (1 << self.duration_log, '.'*self.dots)
-
- if factor <> Rational (1,1):
- str += '*%d/%d' % (factor.numerator (), factor.denominator ())
-
- return str
-
- def print_ly (self, outputter):
- str = self.ly_expression (self.factor / outputter.duration_factor ())
- outputter.print_duration_string (str)
-
- def __repr__(self):
- return self.ly_expression()
-
- def copy (self):
- d = Duration ()
- d.dots = self.dots
- d.duration_log = self.duration_log
- d.factor = self.factor
- return d
-
- def get_length (self):
- dot_fact = Rational( (1 << (1 + self.dots))-1,
- 1 << self.dots)
-
- log = abs (self.duration_log)
- dur = 1 << log
- if self.duration_log < 0:
- base = Rational (dur)
- else:
- base = Rational (1, dur)
-
- return base * dot_fact * self.factor
-
-
+ def __init__ (self):
+ self.duration_log = 0
+ self.dots = 0
+ self.factor = Rational (1)
+
+ def lisp_expression (self):
+ return '(ly:make-duration %d %d %d %d)' % (self.duration_log,
+ self.dots,
+ self.factor.numerator (),
+ self.factor.denominator ())
+
+
+ def ly_expression (self, factor = None, scheme_mode = False):
+ if not factor:
+ factor = self.factor
+
+ if self.duration_log < 0:
+ if scheme_mode:
+ longer_dict = {-1: "breve", -2: "longa"}
+ else:
+ longer_dict = {-1: "\\breve", -2: "\\longa"}
+ str = longer_dict.get (self.duration_log, "1")
+ else:
+ str = '%d' % (1 << self.duration_log)
+ str += '.'*self.dots
+
+ if factor <> Rational (1,1):
+ if factor.denominator () <> 1:
+ str += '*%d/%d' % (factor.numerator (), factor.denominator ())
+ else:
+ str += '*%d' % factor.numerator ()
+
+ return str
+
+ def print_ly (self, outputter):
+ str = self.ly_expression (self.factor / outputter.duration_factor ())
+ outputter.print_duration_string (str)
+
+ def __repr__(self):
+ return self.ly_expression()
+
+ def copy (self):
+ d = Duration ()
+ d.dots = self.dots
+ d.duration_log = self.duration_log
+ d.factor = self.factor
+ return d
+
+ def get_length (self):
+ dot_fact = Rational( (1 << (1 + self.dots))-1,
+ 1 << self.dots)
+
+ log = abs (self.duration_log)
+ dur = 1 << log
+ if self.duration_log < 0:
+ base = Rational (dur)
+ else:
+ base = Rational (1, dur)
+
+ 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]
+ halftones = int (pitch.alteration)
+ if halftones < 0:
+ str += accidentals[0] * (-halftones)
+ elif pitch.alteration > 0:
+ str += accidentals[3] * (halftones)
+ # Handle remaining fraction to pitch.alteration (for microtones)
+ if (halftones != pitch.alteration):
+ if None in accidentals[1:3]:
+ warning (_ ("Language does not support microtones contained in the piece"))
+ else:
+ try:
+ str += {-0.5: accidentals[1], 0.5: accidentals[2]}[pitch.alteration-halftones]
+ except KeyError:
+ warning (_ ("Language does not support microtones contained in the piece"))
+ 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', None, None, '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', None, None, 's'])
+ return str
+
+def pitch_vlaams (pitch):
+ str = pitch_generic (pitch, ['do', 're', 'mi', 'fa', 'sol', 'la', 'si'], ['b', None, None, '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
- self.step = 0
- self.octave = 0
-
- def __repr__(self):
- return self.ly_expression()
-
- def transposed (self, interval):
- c = self.copy ()
- c.alteration += interval.alteration
- c.step += interval.step
- c.octave += interval.octave
- c.normalize ()
-
- target_st = self.semitones() + interval.semitones()
- c.alteration += target_st - c.semitones()
- return c
-
- def normalize (c):
- while c.step < 0:
- c.step += 7
- c.octave -= 1
- c.octave += c.step / 7
- c.step = c.step % 7
-
-
- def lisp_expression (self):
- return '(ly:make-pitch %d %d %d)' % (self.octave,
- self.step,
- self.alteration)
-
- def copy (self):
- p = Pitch ()
- p.alteration = self.alteration
- p.step = self.step
- p.octave = self.octave
- return p
-
- def steps (self):
- return self.step + self.octave *7
-
- def semitones (self):
- 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 str.replace ('aes', 'as').replace ('ees', 'es')
-
- def ly_expression (self):
- str = self.ly_step_expression ()
- if self.octave >= 0:
- str += "'" * (self.octave + 1)
- elif self.octave < -1:
- str += "," * (-self.octave - 1)
-
- return str
- def print_ly (self, outputter):
- outputter (self.ly_expression())
-
+ def __init__ (self):
+ self.alteration = 0
+ self.step = 0
+ self.octave = 0
+ self._force_absolute_pitch = False
+
+ def __repr__(self):
+ return self.ly_expression()
+
+ def transposed (self, interval):
+ c = self.copy ()
+ c.alteration += interval.alteration
+ c.step += interval.step
+ c.octave += interval.octave
+ c.normalize ()
+
+ target_st = self.semitones() + interval.semitones()
+ c.alteration += target_st - c.semitones()
+ return c
+
+ def normalize (c):
+ while c.step < 0:
+ c.step += 7
+ c.octave -= 1
+ c.octave += c.step / 7
+ c.step = c.step % 7
+
+ def lisp_expression (self):
+ return '(ly:make-pitch %d %d %d)' % (self.octave,
+ self.step,
+ self.alteration)
+
+ def copy (self):
+ p = Pitch ()
+ p.alteration = self.alteration
+ p.step = self.step
+ p.octave = self.octave
+ return p
+
+ def steps (self):
+ return self.step + self.octave *7
+
+ def semitones (self):
+ return self.octave * 12 + [0,2,4,5,7,9,11][self.step] + self.alteration
+
+ def ly_step_expression (self):
+ return pitch_generating_function (self)
+
+ def absolute_pitch (self):
+ if self.octave >= 0:
+ return "'" * (self.octave + 1)
+ elif 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 and not self._force_absolute_pitch:
+ str += self.relative_pitch ()
+ else:
+ str += self.absolute_pitch ()
+
+ return str
+
+ def print_ly (self, outputter):
+ outputter (self.ly_expression())
+
class Music:
- def __init__ (self):
- self.parent = None
- self.start = Rational (0)
- self.comment = ''
- self.identifier = None
-
- def get_length(self):
- return Rational (0)
-
- def get_properties (self):
- return ''
-
- def has_children (self):
- return False
-
- def get_index (self):
- if self.parent:
- return self.parent.elements.index (self)
- else:
- return None
- def name (self):
- return self.__class__.__name__
-
- def lisp_expression (self):
- name = self.name()
-
- props = self.get_properties ()
-# props += 'start %f ' % self.start
-
- return "(make-music '%s %s)" % (name, props)
-
- def set_start (self, start):
- self.start = start
-
- def find_first (self, predicate):
- if predicate (self):
- return self
- return None
-
- def print_comment (self, printer, text = None):
- if not text:
- text = self.comment
-
- if not text:
- return
-
-
- if text == '\n':
- printer.newline ()
- return
- lines = string.split (text, '\n')
- for l in lines:
- if l:
- printer.dump ('% ' + l)
- printer.newline ()
-
-
- def print_with_identifier (self, printer):
- if self.identifier:
- printer ("\\%s" % self.identifier)
- else:
- self.print_ly (printer)
-
- def print_ly (self, printer):
- printer (self.ly_expression ())
+ def __init__ (self):
+ self.parent = None
+ self.start = Rational (0)
+ self.comment = ''
+ self.identifier = None
+
+ def get_length(self):
+ return Rational (0)
+
+ def get_properties (self):
+ return ''
+
+ def has_children (self):
+ return False
+
+ def get_index (self):
+ if self.parent:
+ return self.parent.elements.index (self)
+ else:
+ return None
+ def name (self):
+ return self.__class__.__name__
+
+ def lisp_expression (self):
+ name = self.name()
+
+ props = self.get_properties ()
+
+ return "(make-music '%s %s)" % (name, props)
+
+ def set_start (self, start):
+ self.start = start
+
+ def find_first (self, predicate):
+ if predicate (self):
+ return self
+ return None
+
+ def print_comment (self, printer, text = None):
+ if not text:
+ text = self.comment
+
+ if not text:
+ return
+
+ if text == '\n':
+ printer.newline ()
+ return
+
+ lines = string.split (text, '\n')
+ for l in lines:
+ if l:
+ printer.unformatted_output ('% ' + l)
+ printer.newline ()
+
+
+ def print_with_identifier (self, printer):
+ if self.identifier:
+ printer ("\\%s" % self.identifier)
+ else:
+ self.print_ly (printer)
+
+ def print_ly (self, printer):
+ printer (self.ly_expression ())
class MusicWrapper (Music):
- def __init__ (self):
- Music.__init__(self)
- self.element = None
- def print_ly (self, func):
- self.element.print_ly (func)
+ def __init__ (self):
+ Music.__init__(self)
+ self.element = None
+ def print_ly (self, func):
+ self.element.print_ly (func)
+
+class ModeChangingMusicWrapper (MusicWrapper):
+ def __init__ (self):
+ MusicWrapper.__init__ (self)
+ self.mode = 'notemode'
+
+ def print_ly (self, func):
+ 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 ' %
- (self.numerator, self.denominator))
- func.add_factor (Rational (self.numerator, self.denominator))
- MusicWrapper.print_ly (self, func)
- func.revert ()
+ def __init__ (self):
+ MusicWrapper.__init__ (self)
+ self.numerator = 1
+ self.denominator = 1
+ self.display_number = "actual" # valid values "actual" | "both" | None
+ # Display the basic note length for the tuplet:
+ self.display_type = None # value values "actual" | "both" | None
+ self.display_bracket = "bracket" # valid values "bracket" | "curved" | None
+ self.actual_type = None # The actually played unit of the scaling
+ self.normal_type = None # The basic unit of the scaling
+ self.display_numerator = None
+ self.display_denominator = None
+
+ def print_ly (self, func):
+ if self.display_bracket == None:
+ func ("\\once \\override TupletBracket #'stencil = ##f")
+ func.newline ()
+ elif self.display_bracket == "curved":
+ warning (_ ("Tuplet brackets of curved shape are not correctly implemented"))
+ func ("\\once \\override TupletBracket #'stencil = #ly:slur::print")
+ func.newline ()
+
+ base_number_function = {None: "#f",
+ "actual": "tuplet-number::calc-denominator-text",
+ "both": "tuplet-number::calc-fraction-text"}.get (self.display_number, None)
+ # If we have non-standard numerator/denominator, use our custom function
+ if self.display_number == "actual" and self.display_denominator:
+ base_number_function = "(tuplet-number::non-default-tuplet-denominator-text %s)" % self.display_denominator
+ elif self.display_number == "both" and (self.display_denominator or self.display_numerator):
+ if self.display_numerator:
+ num = self.display_numerator
+ else:
+ num = "#f"
+ if self.display_denominator:
+ den = self.display_denominator
+ else:
+ den = "#f"
+ base_number_function = "(tuplet-number::non-default-tuplet-fraction-text %s %s)" % (den, num)
+
+
+ if self.display_type == "actual" and self.normal_type:
+ # Obtain the note duration in scheme-mode, i.e. \longa as \\longa
+ base_duration = self.normal_type.ly_expression (None, True)
+ func ("\\once \\override TupletNumber #'text = #(tuplet-number::append-note-wrapper %s \"%s\")" %
+ (base_number_function, base_duration))
+ func.newline ()
+ elif self.display_type == "both": # TODO: Implement this using actual_type and normal_type!
+ warning (_ ("Tuplet brackets displaying both note durations are not implemented, using default"))
+ if self.display_number == None:
+ func ("\\once \\override TupletNumber #'stencil = ##f")
+ func.newline ()
+ elif self.display_number == "both":
+ func ("\\once \\override TupletNumber #'text = #%s" % base_number_function)
+ func.newline ()
+ else:
+ if self.display_number == None:
+ func ("\\once \\override TupletNumber #'stencil = ##f")
+ func.newline ()
+ elif self.display_number == "both":
+ func ("\\once \\override TupletNumber #'text = #%s" % base_number_function)
+ func.newline ()
+
+ func ('\\times %d/%d ' %
+ (self.numerator, self.denominator))
+ func.add_factor (Rational (self.numerator, self.denominator))
+ MusicWrapper.print_ly (self, func)
+ func.revert ()
class NestedMusic(Music):
- def __init__ (self):
- Music.__init__ (self)
- self.elements = []
-
- def append (self, what):
- if what:
- self.elements.append (what)
-
- def has_children (self):
- return self.elements
-
- def insert_around (self, succ, elt, dir):
- assert elt.parent == None
- assert succ == None or succ in self.elements
-
-
- idx = 0
- if succ:
- idx = self.elements.index (succ)
- if dir > 0:
- idx += 1
- else:
- if dir < 0:
- idx = 0
- elif dir > 0:
- idx = len (self.elements)
-
- self.elements.insert (idx, elt)
- elt.parent = self
-
- def get_properties (self):
- return ("'elements (list %s)"
- % string.join (map (lambda x: x.lisp_expression(),
- self.elements)))
-
- def get_subset_properties (self, predicate):
- return ("'elements (list %s)"
- % string.join (map (lambda x: x.lisp_expression(),
- filter ( predicate, self.elements))))
- def get_neighbor (self, music, dir):
- assert music.parent == self
- idx = self.elements.index (music)
- idx += dir
- idx = min (idx, len (self.elements) -1)
- idx = max (idx, 0)
-
- return self.elements[idx]
-
- def delete_element (self, element):
- assert element in self.elements
-
- self.elements.remove (element)
- element.parent = None
-
- def set_start (self, start):
- self.start = start
- for e in self.elements:
- e.set_start (start)
-
- def find_first (self, predicate):
- r = Music.find_first (self, predicate)
- if r:
- return r
-
- for e in self.elements:
- r = e.find_first (predicate)
- if r:
- return r
- return None
-
+ def __init__ (self):
+ Music.__init__ (self)
+ self.elements = []
+
+ def append (self, what):
+ if what:
+ self.elements.append (what)
+
+ def has_children (self):
+ return self.elements
+
+ def insert_around (self, succ, elt, dir):
+ assert elt.parent == None
+ assert succ == None or succ in self.elements
+
+
+ idx = 0
+ if succ:
+ idx = self.elements.index (succ)
+ if dir > 0:
+ idx += 1
+ else:
+ if dir < 0:
+ idx = 0
+ elif dir > 0:
+ idx = len (self.elements)
+
+ self.elements.insert (idx, elt)
+ elt.parent = self
+
+ def get_properties (self):
+ return ("'elements (list %s)"
+ % string.join (map (lambda x: x.lisp_expression(),
+ self.elements)))
+
+ def get_subset_properties (self, predicate):
+ return ("'elements (list %s)"
+ % string.join (map (lambda x: x.lisp_expression(),
+ filter ( predicate, self.elements))))
+ def get_neighbor (self, music, dir):
+ assert music.parent == self
+ idx = self.elements.index (music)
+ idx += dir
+ idx = min (idx, len (self.elements) -1)
+ idx = max (idx, 0)
+
+ return self.elements[idx]
+
+ def delete_element (self, element):
+ assert element in self.elements
+
+ self.elements.remove (element)
+ element.parent = None
+
+ def set_start (self, start):
+ self.start = start
+ for e in self.elements:
+ e.set_start (start)
+
+ def find_first (self, predicate):
+ r = Music.find_first (self, predicate)
+ if r:
+ return r
+
+ for e in self.elements:
+ r = e.find_first (predicate)
+ if r:
+ return r
+ return None
+
class SequentialMusic (NestedMusic):
- def print_ly (self, printer):
- printer ('{')
- if self.comment:
- self.print_comment (printer)
-
- printer.newline()
- for e in self.elements:
- e.print_ly (printer)
-
- printer ('}')
- printer.newline()
-
- def lisp_sub_expression (self, pred):
- name = self.name()
-
-
- props = self.get_subset_properties (pred)
-
- return "(make-music '%s %s)" % (name, props)
-
- def set_start (self, start):
- for e in self.elements:
- e.set_start (start)
- start += e.get_length()
-
-class EventChord(NestedMusic):
- def get_length (self):
- l = Rational (0)
- for e in self.elements:
- l = max(l, e.get_length())
- return l
-
- def print_ly (self, printer):
- note_events = [e for e in self.elements if
- isinstance (e, NoteEvent)]
-
- rest_events = [e for e in self.elements if
- isinstance (e, RhythmicEvent)
- and not isinstance (e, NoteEvent)]
-
- other_events = [e for e in self.elements if
- not isinstance (e, RhythmicEvent)]
-
- 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]
- printer ('<%s>' % string.join (pitches))
- note_events[0].duration.print_ly (printer)
- else:
- pass
-
- # print 'huh', rest_events, note_events, other_events
- for e in other_events:
- e.print_ly (printer)
-
- self.print_comment (printer)
-
+ def get_last_event_chord (self):
+ value = None
+ at = len( self.elements ) - 1
+ while (at >= 0 and
+ not isinstance (self.elements[at], ChordEvent) and
+ not isinstance (self.elements[at], BarLine)):
+ at -= 1
+
+ if (at >= 0 and isinstance (self.elements[at], ChordEvent)):
+ value = self.elements[at]
+ return value
+
+ def print_ly (self, printer, newline = True):
+ printer ('{')
+ if self.comment:
+ self.print_comment (printer)
+
+ if newline:
+ printer.newline()
+ for e in self.elements:
+ e.print_ly (printer)
+
+ printer ('}')
+ if newline:
+ printer.newline()
+
+ def lisp_sub_expression (self, pred):
+ name = self.name()
+
+
+ props = self.get_subset_properties (pred)
+
+ return "(make-music '%s %s)" % (name, props)
+
+ def set_start (self, start):
+ for e in self.elements:
+ 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:
+ 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):
+ printer.dump ('\\repeat %s %s' % (self.repeat_type, self.repeat_count))
+ if self.music:
+ self.music.print_ly (printer)
+ else:
+ warning (_ ("encountered repeat without body"))
+ 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 = []
+
+ def print_ly (self, printer):
+ printer.dump ("\lyricmode {")
+ for l in self.lyrics_syllables:
+ printer.dump ( "%s " % l )
+ printer.dump ("}")
+
+ def ly_expression (self):
+ lstr = "\lyricmode {\n "
+ for l in self.lyrics_syllables:
+ lstr += l + " "
+ lstr += "\n}"
+ return lstr
+
+
+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 Paper:
+ def __init__ (self):
+ self.global_staff_size = -1
+ # page size
+ self.page_width = -1
+ self.page_height = -1
+ # page margins
+ self.top_margin = -1
+ self.bottom_margin = -1
+ self.left_margin = -1
+ self.right_margin = -1
+ self.system_left_margin = -1
+ self.system_right_margin = -1
+ self.system_distance = -1
+ self.top_system_distance = -1
+
+ def print_length_field (self, printer, field, value):
+ if value >= 0:
+ printer.dump ("%s = %s\\cm" % (field, value))
+ printer.newline ()
+ def print_ly (self, printer):
+ if self.global_staff_size > 0:
+ printer.dump ('#(set-global-staff-size %s)' % self.global_staff_size)
+ printer.newline ()
+ printer.dump ('\\paper {')
+ printer.newline ()
+ self.print_length_field (printer, "paper-width", self.page_width)
+ self.print_length_field (printer, "paper-height", self.page_height)
+ self.print_length_field (printer, "top-margin", self.top_margin)
+ self.print_length_field (printer, "botton-margin", self.bottom_margin)
+ self.print_length_field (printer, "left-margin", self.left_margin)
+ # TODO: maybe set line-width instead of right-margin?
+ self.print_length_field (printer, "right-margin", self.right_margin)
+ # TODO: What's the corresponding setting for system_left_margin and
+ # system_right_margin in Lilypond?
+ self.print_length_field (printer, "between-system-space", self.system_distance)
+ self.print_length_field (printer, "page-top-space", self.top_system_distance)
+
+ printer.dump ('}')
+ printer.newline ()
+
+class Layout:
+ def __init__ (self):
+ self.context_dict = {}
+ def add_context (self, context):
+ if not self.context_dict.has_key (context):
+ self.context_dict[context] = []
+ def set_context_item (self, context, item):
+ self.add_context (context)
+ if not item in self.context_dict[context]:
+ self.context_dict[context].append (item)
+ def print_ly (self, printer):
+ if self.context_dict.items ():
+ printer.dump ('\\layout {')
+ printer.newline ()
+ for (context, defs) in self.context_dict.items ():
+ printer.dump ('\\context { \\%s' % context)
+ printer.newline ()
+ for d in defs:
+ printer.dump (d)
+ printer.newline ()
+ printer.dump ('}')
+ printer.newline ()
+ printer.dump ('}')
+ printer.newline ()
+
+
+class ChordEvent (NestedMusic):
+ def __init__ (self):
+ NestedMusic.__init__ (self)
+ self.after_grace_elements = None
+ 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 append_after_grace (self, element):
+ if element:
+ if not self.after_grace_elements:
+ self.after_grace_elements = SequentialMusic ()
+ self.after_grace_elements.append (element)
+
+ def has_elements (self):
+ return [e for e in self.elements if
+ isinstance (e, NoteEvent) or isinstance (e, RestEvent)] != []
+
+
+ def get_length (self):
+ l = Rational (0)
+ for e in self.elements:
+ l = max(l, e.get_length())
+ return l
+
+ def get_duration (self):
+ note_events = [e for e in self.elements if
+ isinstance (e, NoteEvent) or isinstance (e, RestEvent)]
+ if note_events:
+ return note_events[0].duration
+ else:
+ return None
+
+ def print_ly (self, printer):
+ note_events = [e for e in self.elements if
+ isinstance (e, NoteEvent)]
+
+ rest_events = [e for e in self.elements if
+ isinstance (e, RhythmicEvent)
+ and not isinstance (e, NoteEvent)]
+
+ other_events = [e for e in self.elements if
+ not isinstance (e, RhythmicEvent)]
+
+ if self.after_grace_elements:
+ printer ('\\afterGrace {')
+
+ 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)
+ elif self.grace_elements: # no self.elements!
+ warning (_ ("Grace note with no following music: %s") % self.grace_elements)
+ if self.grace_type:
+ printer ('\\%s' % self.grace_type)
+ else:
+ printer ('\\grace')
+ self.grace_elements.print_ly (printer, False)
+ printer ('{}')
+
+ # 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:
+ global previous_pitch
+ pitches = []
+ basepitch = None
+ for x in note_events:
+ pitches.append (x.chord_element_ly ())
+ if not basepitch:
+ basepitch = previous_pitch
+ printer ('<%s>' % string.join (pitches))
+ previous_pitch = basepitch
+ duration = self.get_duration ()
+ if duration:
+ duration.print_ly (printer)
+ else:
+ pass
+
+ for e in other_events:
+ e.print_ly (printer)
+
+ for e in other_events:
+ e.print_after_note (printer)
+
+ if self.after_grace_elements:
+ printer ('}')
+ self.after_grace_elements.print_ly (printer, False)
+
+ 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 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)
+ elif self.bar_number > 0:
+ printer.print_verbatim (' %% %d' % self.bar_number)
+ printer.newline ()
+
+ def ly_expression (self):
+ return " | "
+
class Event(Music):
- pass
+ 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):
- def __init__(self):
- Event.__init__ (self)
- self.span_direction = 0
- def get_properties(self):
- return "'span-direction %d" % self.span_direction
-
+ def __init__ (self):
+ Event.__init__ (self)
+ 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:'',
- 1:')'}[self.span_direction]
+ 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):
+ return {-1: '(', 1:')'}.get (self.span_direction, '')
class BeamEvent (SpanEvent):
- def ly_expression (self):
- return {-1: '[',
- 0:'',
- 1:']'}[self.span_direction]
+ def ly_expression (self):
+ return {-1: '[', 1:']'}.get (self.span_direction, '')
+
+class PedalEvent (SpanEvent):
+ def ly_expression (self):
+ return {-1: '\\sustainOn',
+ 0:'\\sustainOff\\sustainOn',
+ 1:'\\sustainOff'}.get (self.span_direction, '')
+
+class TextSpannerEvent (SpanEvent):
+ def ly_expression (self):
+ return {-1: '\\startTextSpan',
+ 1:'\\stopTextSpan'}.get (self.span_direction, '')
+
+class BracketSpannerEvent (SpanEvent):
+ # Ligature brackets use prefix-notation!!!
+ def print_before_note (self, printer):
+ if self.span_direction == -1:
+ printer.dump ('\[')
+ # the the bracket after the last note
+ def print_after_note (self, printer):
+ if self.span_direction == 1:
+ printer.dump ('\]')
+ # we're printing everything in print_(before|after)_note...
+ def ly_expression (self):
+ return '';
+
+
+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 = '\ottava #%s' % dir
+ return {
+ -1: value,
+ 1: '\ottava #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 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):
+ return {-1: '\\glissando',
+ 1:''}.get (self.span_direction, '')
class ArpeggioEvent(Event):
- def ly_expression (self):
- return ('\\arpeggio')
+ def __init__ (self):
+ Event.__init__ (self)
+ self.direction = 0
+ self.non_arpeggiate = False
+ def wait_for_note (self):
+ return True
+ def print_before_note (self, printer):
+ if self.non_arpeggiate:
+ printer.dump ("\\arpeggioBracket")
+ else:
+ dir = { -1: "\\arpeggioArrowDown", 1: "\\arpeggioArrowUp" }.get (self.direction, '')
+ if dir:
+ printer.dump (dir)
+ def print_after_note (self, printer):
+ if self.non_arpeggiate or self.direction:
+ printer.dump ("\\arpeggioNormal")
+ def ly_expression (self):
+ return ('\\arpeggio')
class TieEvent(Event):
- def ly_expression (self):
- return '~'
+ def ly_expression (self):
+ return '~'
+
+
+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):
+ if self.span_direction == 1:
+ return '\!'
+ else:
+ return {1: '\<', -1: '\>'}.get (self.span_type, '')
+
+ def ly_expression (self):
+ return self.hairpin_to_ly ()
+
+ def print_ly (self, printer):
+ val = self.hairpin_to_ly ()
+ if val:
+ printer.dump (val)
+
+
+
+class DynamicsEvent (Event):
+ def __init__ (self):
+ Event.__init__ (self)
+ self.type = None
+ def wait_for_note (self):
+ return True
+ def ly_expression (self):
+ if self.type:
+ return '\%s' % self.type
+ else:
+ return
+
+ 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:
+ 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 = ''
+ 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):
+ Event.__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):
+ if self.type:
+ return '%s%s' % (self.direction_mod (), self.type)
+ else:
+ return ''
+
+class NoDirectionArticulationEvent (ArticulationEvent):
+ def ly_expression (self):
+ if self.type:
+ return '\\%s' % self.type
+ else:
+ return ''
+
+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 FretEvent (MarkupEvent):
+ def __init__ (self):
+ 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 FunctionWrapperEvent (Event):
+ def __init__ (self, function_name = None):
+ Event.__init__ (self)
+ self.function_name = function_name
+ def pre_note_ly (self, is_chord_element):
+ if self.function_name:
+ return "\\%s" % self.function_name
+ else:
+ return ''
+ def pre_chord_ly (self):
+ return ''
+ def ly_expression (self):
+ if self.function_name:
+ return "\\%s" % self.function_name
+ else:
+ return ''
+
+class ParenthesizeEvent (FunctionWrapperEvent):
+ def __init__ (self):
+ FunctionWrapperEvent.__init__ (self, "parenthesize")
+
+class NotestyleEvent (Event):
+ def __init__ (self):
+ Event.__init__ (self)
+ self.style = None
+ self.filled = None
+ def pre_chord_ly (self):
+ if self.style:
+ return "\\once \\override NoteHead #'style = #%s" % self.style
+ else:
+ return ''
+ def pre_note_ly (self, is_chord_element):
+ if self.style and is_chord_element:
+ return "\\tweak #'style #%s" % self.style
+ else:
+ return ''
+ def ly_expression (self):
+ return self.pre_chord_ly ()
+
+
+class ChordPitch:
+ def __init__ (self):
+ self.alteration = 0
+ self.step = 0
+ def __repr__(self):
+ return self.ly_expression()
+ def ly_expression (self):
+ return pitch_generating_function (self)
+
+class ChordModification:
+ def __init__ (self):
+ self.alteration = 0
+ self.step = 0
+ self.type = 0
+ def ly_expression (self):
+ if self.type:
+ val = {1: ".", -1: "^" }.get (self.type, "")
+ val += "%s" % self.step
+ val += {1: "+", -1: "-"}.get (self.alteration, "")
+ return val
+ else:
+ return ''
+
+class ChordNameEvent (Event):
+ def __init__ (self):
+ Event.__init__ (self)
+ self.root = None
+ self.kind = None
+ self.duration = None
+ self.modifications = []
+ self.bass = None
+ def add_modification (self, mod):
+ self.modifications.append (mod)
+ def ly_expression (self):
+ if not self.root:
+ return ''
+ value = self.root.ly_expression ()
+ if self.duration:
+ value += self.duration.ly_expression ()
+ if self.kind:
+ value += ":"
+ value += self.kind
+ # First print all additions/changes, and only afterwards all subtractions
+ for m in self.modifications:
+ if m.type == 1:
+ value += m.ly_expression ()
+ for m in self.modifications:
+ if m.type == -1:
+ value += m.ly_expression ()
+ if self.bass:
+ value += "/+%s" % self.bass.ly_expression ()
+ return value
+
+
+class TremoloEvent (ArticulationEvent):
+ def __init__ (self):
+ Event.__init__ (self)
+ self.bars = 0
+
+ def ly_expression (self):
+ str=''
+ 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 = None
+ def ly_expression (self):
+ if self.alter != None:
+ return "-\\bendAfter #%s" % self.alter
+ else:
+ return ''
-
class RhythmicEvent(Event):
- def __init__ (self):
- Event.__init__ (self)
- self.duration = Duration()
-
- def get_length (self):
- return self.duration.get_length()
-
- def get_properties (self):
- return ("'duration %s"
- % self.duration.lisp_expression ())
-
+ def __init__ (self):
+ Event.__init__ (self)
+ self.duration = Duration()
+ self.associated_events = []
+
+ def add_associated_event (self, ev):
+ if ev:
+ self.associated_events.append (ev)
+
+ def pre_chord_ly (self):
+ return [ev.pre_chord_ly () for ev in self.associated_events]
+
+ def pre_note_ly (self, is_chord_element):
+ return [ev.pre_note_ly (is_chord_element) for ev in self.associated_events]
+
+ def ly_expression_pre_note (self, is_chord_element):
+ res = string.join (self.pre_note_ly (is_chord_element), ' ')
+ if res != '':
+ res = res + ' '
+ return res
+
+ def get_length (self):
+ return self.duration.get_length()
+
+ def get_properties (self):
+ return ("'duration %s"
+ % self.duration.lisp_expression ())
+
class RestEvent (RhythmicEvent):
- def ly_expression (self):
- return 'r%s' % self.duration.ly_expression ()
-
- def print_ly (self, printer):
- printer('r')
- self.duration.print_ly (printer)
+ def __init__ (self):
+ RhythmicEvent.__init__ (self)
+ self.pitch = None
+
+ def ly_expression (self):
+ res = self.ly_expression_pre_note (False)
+ if self.pitch:
+ return res + "%s%s\\rest" % (self.pitch.ly_expression (), self.duration.ly_expression ())
+ else:
+ return 'r%s' % self.duration.ly_expression ()
+
+ def print_ly (self, printer):
+ for ev in self.associated_events:
+ ev.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):
- return 's%s' % self.duration.ly_expression ()
+ def ly_expression (self):
+ return 's%s' % self.duration.ly_expression ()
class NoteEvent(RhythmicEvent):
- def __init__ (self):
- RhythmicEvent.__init__ (self)
- self.pitch = Pitch()
- self.cautionary = False
- self.forced_accidental = False
-
- def get_properties (self):
- return ("'pitch %s\n 'duration %s"
- % (self.pitch.lisp_expression (),
- self.duration.lisp_expression ()))
-
- def pitch_mods (self):
- excl_question = ''
- if self.cautionary:
- excl_question += '?'
- if self.forced_accidental:
- excl_question += '!'
-
- return excl_question
-
- def ly_expression (self):
- return '%s%s%s' % (self.pitch.ly_expression (),
- self.pitch_mods(),
- self.duration.ly_expression ())
-
- def print_ly (self, printer):
- self.pitch.print_ly (printer)
- printer (self.pitch_mods ())
- self.duration.print_ly (printer)
+ def __init__ (self):
+ RhythmicEvent.__init__ (self)
+ self.pitch = None
+ self.drum_type = None
+ self.cautionary = False
+ self.forced_accidental = False
+
+ def get_properties (self):
+ str = RhythmicEvent.get_properties (self)
+
+ if self.pitch:
+ str += self.pitch.lisp_expression ()
+ elif self.drum_type:
+ str += "'drum-type '%s" % self.drum_type
+
+ return str
+
+ def pitch_mods (self):
+ excl_question = ''
+ if self.cautionary:
+ excl_question += '?'
+ if self.forced_accidental:
+ excl_question += '!'
+
+ return excl_question
+
+ def ly_expression (self):
+ # obtain all stuff that needs to be printed before the note:
+ res = self.ly_expression_pre_note (True)
+ if self.pitch:
+ return res + '%s%s%s' % (self.pitch.ly_expression (),
+ self.pitch_mods(),
+ self.duration.ly_expression ())
+ elif self.drum_type:
+ return res + '%s%s' (self.drum_type,
+ self.duration.ly_expression ())
+
+ def chord_element_ly (self):
+ # obtain all stuff that needs to be printed before the note:
+ res = self.ly_expression_pre_note (True)
+ if self.pitch:
+ return res + '%s%s' % (self.pitch.ly_expression (),
+ self.pitch_mods())
+ elif self.drum_type:
+ return res + '%s%s' (self.drum_type)
+
+
+ def print_ly (self, printer):
+ for ev in self.associated_events:
+ ev.print_ly (printer)
+ if self.pitch:
+ self.pitch.print_ly (printer)
+ printer (self.pitch_mods ())
+ else:
+ printer (self.drum_type)
+
+ self.duration.print_ly (printer)
class KeySignatureChange (Music):
- def __init__ (self):
- Music.__init__ (self)
- self.scale = []
- self.tonic = Pitch()
- self.mode = 'major'
-
- def ly_expression (self):
- return '\\key %s \\%s' % (self.tonic.ly_step_expression (),
- self.mode)
-
- def lisp_expression (self):
- pairs = ['(%d . %d)' % (i , self.scale[i]) for i in range (0,7)]
- scale_str = ("'(%s)" % string.join (pairs))
-
- return """ (make-music 'KeyChangeEvent
- 'pitch-alist %s) """ % scale_str
+ def __init__ (self):
+ Music.__init__ (self)
+ self.tonic = None
+ self.mode = 'major'
+ self.non_standard_alterations = None
+
+ def format_non_standard_alteration (self, a):
+ alter_dict = { -2: ",DOUBLE-FLAT",
+ -1.5: ",THREE-Q-FLAT",
+ -1: ",FLAT",
+ -0.5: ",SEMI-FLAT",
+ 0: ",NATURAL",
+ 0.5: ",SEMI-SHARP",
+ 1: ",SHARP",
+ 1.5: ",THREE-Q-SHARP",
+ 2: ",DOUBLE-SHARP"}
+ try:
+ accidental = alter_dict[a[1]]
+ except KeyError:
+ warning (_ ("Unable to convert alteration %s to a lilypond expression") % a[1])
+ return ''
+ if len (a) == 2:
+ return "( %s . %s )" % (a[0], accidental)
+ elif len (a) == 3:
+ return "(( %s . %s ) . %s )" % (a[2], a[0], accidental)
+ else:
+ return ''
+
+ def ly_expression (self):
+ if self.tonic:
+ return '\\key %s \\%s' % (self.tonic.ly_step_expression (),
+ self.mode)
+ elif self.non_standard_alterations:
+ alterations = [self.format_non_standard_alteration (a) for
+ a in self.non_standard_alterations]
+ # TODO: Check if the alterations should really be given in reverse
+ # order of if that's just a bug in Lilypond. If it's a bug,
+ # fix it and remove the following call, otherwise add a
+ # proper comment here!
+ alterations.reverse ()
+ return "\\set Staff.keySignature = #`(%s)" % string.join (alterations, " ")
+ else:
+ return ''
class TimeSignatureChange (Music):
- def __init__ (self):
- Music.__init__ (self)
- self.fraction = (4,4)
- def ly_expression (self):
- return '\\time %d/%d ' % self.fraction
-
+ def __init__ (self):
+ Music.__init__ (self)
+ self.fractions = [4,4]
+ self.style = None
+ def ly_expression (self):
+ st = ''
+ # Print out the style if we have ome, but the '() should only be
+ # forced for 2/2 or 4/4, since in all other cases we'll get numeric
+ # signatures anyway despite the default 'C signature style!
+ is_common_signature = self.fractions in ([2,2], [4,4], [4,2])
+ if self.style:
+ if self.style == "common":
+ st = "\\defaultTimeSignature"
+ elif (self.style != "'()"):
+ st = "\\once \\override Staff.TimeSignature #'style = #%s " % self.style
+ if (self.style != "'()") or is_common_signature:
+ st = "\\numericTimeSignature"
+
+ # Easy case: self.fractions = [n,d] => normal \time n/d call:
+ if len (self.fractions) == 2 and isinstance (self.fractions[0], int):
+ return st + '\\time %d/%d ' % tuple (self.fractions)
+ elif self.fractions and not isinstance (self.fractions[0], list):
+ # TODO: Implement non-standard time-signatures
+ return st + ''
+ else:
+ # TODO: Implement non-standard time-signatures
+ return st + ''
+
class ClefChange (Music):
- def __init__ (self):
- Music.__init__ (self)
- self.type = 'G'
-
-
- def ly_expression (self):
- return '\\clef "%s"' % self.type
- clef_dict = {
- "G": ("clefs.G", -2, -6),
- "C": ("clefs.C", 0, 0),
- "F": ("clefs.F", 2, 6),
- }
-
- def lisp_expression (self):
- (glyph, pos, c0) = self.clef_dict [self.type]
- clefsetting = """
- (make-music 'SequentialMusic
- 'elements (list
- (context-spec-music
- (make-property-set 'clefGlyph "%s") 'Staff)
- (context-spec-music
- (make-property-set 'clefPosition %d) 'Staff)
- (context-spec-music
- (make-property-set 'middleCPosition %d) 'Staff)))
+ 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%s"' % (self.clef_name (), self.octave_modifier ())
+
+ clef_dict = {
+ "G": ("clefs.G", -2, -6),
+ "C": ("clefs.C", 0, 0),
+ "F": ("clefs.F", 2, 6),
+ }
+
+ def lisp_expression (self):
+ try:
+ (glyph, pos, c0) = self.clef_dict[self.type]
+ except KeyError:
+ return ""
+ clefsetting = """
+ (make-music 'SequentialMusic
+ 'elements (list
+ (context-spec-music
+ (make-property-set 'clefGlyph "%s") 'Staff)
+ (context-spec-music
+ (make-property-set 'clefPosition %d) 'Staff)
+ (context-spec-music
+ (make-property-set 'middleCPosition %d) 'Staff)))
""" % (glyph, pos, c0)
- return clefsetting
+ return clefsetting
+
+class Transposition (Music):
+ def __init__ (self):
+ Music.__init__ (self)
+ self.pitch = None
+ def ly_expression (self):
+ self.pitch._force_absolute_pitch = True
+ return '\\transposition %s' % self.pitch.ly_expression ()
+
+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 TempoMark (Music):
+ def __init__ (self):
+ Music.__init__ (self)
+ self.baseduration = None
+ self.newduration = None
+ self.beats = None
+ self.parentheses = False
+ def set_base_duration (self, dur):
+ self.baseduration = dur
+ def set_new_duration (self, dur):
+ self.newduration = dur
+ def set_beats_per_minute (self, beats):
+ self.beats = beats
+ def set_parentheses (self, parentheses):
+ self.parentheses = parentheses
+ def wait_for_note (self):
+ return False
+ def duration_to_markup (self, dur):
+ if dur:
+ # Generate the markup to print the note, use scheme mode for
+ # ly_expression to get longa and not \longa (which causes an error)
+ return "\\general-align #Y #DOWN \\smaller \\note #\"%s\" #UP" % dur.ly_expression(None, True)
+ else:
+ return ''
+ def tempo_markup_template (self):
+ return "\\mark\\markup { \\fontsize #-2 \\line { %s } }"
+ def ly_expression (self):
+ res = ''
+ if not self.baseduration:
+ return res
+ if self.beats:
+ if self.parentheses:
+ res += "\\tempo \"\" %s=%s" % (self.baseduration.ly_expression(), self.beats)
+ else:
+ res += "\\tempo %s=%s" % (self.baseduration.ly_expression(), self.beats)
+ elif self.newduration:
+ dm = self.duration_to_markup (self.baseduration)
+ ndm = self.duration_to_markup (self.newduration)
+ if self.parentheses:
+ contents = "\"(\" %s = %s \")\"" % (dm, ndm)
+ else:
+ contents = " %s = %s " % (dm, ndm)
+ res += self.tempo_markup_template() % contents
+ else:
+ return ''
+ return res
+
+class FiguredBassNote (Music):
+ def __init__ (self):
+ Music.__init__ (self)
+ self.number = ''
+ self.prefix = ''
+ self.suffix = ''
+ def set_prefix (self, prefix):
+ self.prefix = prefix
+ def set_suffix (self, suffix):
+ self.prefix = suffix
+ def set_number (self, number):
+ self.number = number
+ def ly_expression (self):
+ res = ''
+ if self.number:
+ res += self.number
+ else:
+ res += '_'
+ if self.prefix:
+ res += self.prefix
+ if self.suffix:
+ res += self.suffix
+ return res
+
+
+class FiguredBassEvent (NestedMusic):
+ def __init__ (self):
+ NestedMusic.__init__ (self)
+ self.duration = None
+ self.real_duration = 0
+ self.parentheses = False
+ return
+ def set_duration (self, dur):
+ self.duration = dur
+ def set_parentheses (self, par):
+ self.parentheses = par
+ def set_real_duration (self, dur):
+ self.real_duration = dur
+
+ def print_ly (self, printer):
+ figured_bass_events = [e for e in self.elements if
+ isinstance (e, FiguredBassNote)]
+ if figured_bass_events:
+ notes = []
+ for x in figured_bass_events:
+ notes.append (x.ly_expression ())
+ contents = string.join (notes)
+ if self.parentheses:
+ contents = '[%s]' % contents
+ printer ('<%s>' % contents)
+ self.duration.print_ly (printer)
+
+
+class MultiMeasureRest(Music):
+
+ def lisp_expression (self):
+ return """
+(make-music
+ 'MultiMeasureRestMusicGroup
+ 'elements
+ (list (make-music (quote BarCheck))
+ (make-music
+ 'ChordEvent
+ 'elements
+ (list (make-music
+ 'MultiMeasureRestEvent
+ 'duration
+ %s)))
+ (make-music (quote BarCheck))))
+""" % self.duration.lisp_expression ()
+
+ def ly_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, command = "Staff"):
+ StaffGroup.__init__ (self, command)
+ self.is_group = False
+ self.part = None
+ self.voice_command = "Voice"
+ self.substafftype = None
+
+ def print_ly_overrides (self, printer):
+ pass
+
+ def print_ly_contents (self, printer):
+ if not self.id or not self.part_information:
+ return
+ sub_staff_type = self.substafftype
+ if not sub_staff_type:
+ sub_staff_type = self.stafftype
+
+ for [staff_id, voices] in self.part_information:
+ # Chord names need to come before the staff itself!
+ for [v, lyrics, figuredbass, chordnames] in voices:
+ if chordnames:
+ printer ('\context ChordNames = "%s" \\%s' % (chordnames, chordnames))
+
+ # now comes the real staff definition:
+ if staff_id:
+ printer ('\\context %s = "%s" << ' % (sub_staff_type, staff_id))
+ else:
+ printer ('\\context %s << ' % sub_staff_type)
+ printer.newline ()
+ n = 0
+ nr_voices = len (voices)
+ for [v, lyrics, figuredbass, chordnames] 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 %s = "%s" {%s \\%s }' % (self.voice_command, v, voice_count_text, v))
+ printer.newline ()
+
+ for l in lyrics:
+ printer ('\\new Lyrics \\lyricsto "%s" \\%s' % (v,l))
+ printer.newline()
+ if figuredbass:
+ printer ('\context FiguredBass = "%s" \\%s' % (figuredbass, figuredbass))
+ printer ('>>')
+
+ def print_ly (self, printer):
+ if self.part_information and len (self.part_information) > 1:
+ self.stafftype = "PianoStaff"
+ self.substafftype = "Staff"
+ StaffGroup.print_ly (self, printer)
+
+class TabStaff (Staff):
+ def __init__ (self, command = "TabStaff"):
+ Staff.__init__ (self, command)
+ self.string_tunings = []
+ self.tablature_format = None
+ self.voice_command = "TabVoice"
+ def print_ly_overrides (self, printer):
+ if self.string_tunings or self.tablature_format:
+ printer.dump ("\\with {")
+ if self.string_tunings:
+ printer.dump ("stringTunings = #'(")
+ for i in self.string_tunings:
+ printer.dump ("%s" % i.semitones ())
+ printer.dump (")")
+ if self.tablature_format:
+ printer.dump ("tablatureFormat = #%s" % self.tablature_format)
+ printer.dump ("}")
+
+
+class DrumStaff (Staff):
+ def __init__ (self, command = "DrumStaff"):
+ Staff.__init__ (self, command)
+ self.drum_style_table = None
+ self.voice_command = "DrumVoice"
+ def print_ly_overrides (self, printer):
+ if self.drum_style_table:
+ printer.dump ("\with {")
+ printer.dump ("drumStyleTable = #%s" % self.drum_style_table)
+ printer.dump ("}")
+
+class RhythmicStaff (Staff):
+ def __init__ (self, command = "RhythmicStaff"):
+ Staff.__init__ (self, command)
+
+class Score:
+ def __init__ (self):
+ self.contents = None
+ self.create_midi = False
+
+ def set_contents (self, contents):
+ self.contents = contents
+
+ def set_part_information (self, part_id, staves_info):
+ if self.contents:
+ self.contents.set_part_information (part_id, staves_info)
+
+ def print_ly (self, printer):
+ printer.dump ("\\score {");
+ printer.newline ()
+ if self.contents:
+ self.contents.print_ly (printer);
+ printer.dump ("\\layout {}");
+ printer.newline ()
+ if not self.create_midi:
+ printer.dump ("% To create MIDI output, uncomment the following line:");
+ printer.newline ();
+ printer.dump ("% ");
+ printer.dump ("\\midi {}");
+ printer.newline ()
+ printer.dump ("}");
+ printer.newline ()
def test_pitch ():
- bflat = Pitch()
- bflat.alteration = -1
- bflat.step = 6
- bflat.octave = -1
- fifth = Pitch()
- fifth.step = 4
- down = Pitch ()
- down.step = -4
- down.normalize ()
-
-
- print bflat.semitones()
- print bflat.transposed (fifth), bflat.transposed (fifth).transposed (fifth)
- print bflat.transposed (fifth).transposed (fifth).transposed (fifth)
-
- print bflat.semitones(), 'down'
- print bflat.transposed (down)
- print bflat.transposed (down).transposed (down)
- print bflat.transposed (down).transposed (down).transposed (down)
+ bflat = Pitch()
+ bflat.alteration = -1
+ bflat.step = 6
+ bflat.octave = -1
+ fifth = Pitch()
+ fifth.step = 4
+ down = Pitch ()
+ down.step = -4
+ down.normalize ()
+
+
+ print bflat.semitones()
+ print bflat.transposed (fifth), bflat.transposed (fifth).transposed (fifth)
+ print bflat.transposed (fifth).transposed (fifth).transposed (fifth)
+
+ print bflat.semitones(), 'down'
+ print bflat.transposed (down)
+ print bflat.transposed (down).transposed (down)
+ print bflat.transposed (down).transposed (down).transposed (down)
def test_printer ():
- def make_note ():
- evc = EventChord()
- n = NoteEvent()
- evc.append (n)
- return n
-
- def make_tup ():
- m = SequentialMusic()
- m.append (make_note ())
- m.append (make_note ())
- m.append (make_note ())
-
-
- t = TimeScaledMusic ()
- t.numerator = 2
- t.denominator = 3
- t.element = m
- return t
-
- m = SequentialMusic ()
- m.append (make_tup ())
- m.append (make_tup ())
- m.append (make_tup ())
-
- printer = Output_printer()
- m.print_ly (printer)
- printer.newline ()
-
+ def make_note ():
+ evc = ChordEvent()
+ n = NoteEvent()
+ evc.append (n)
+ return n
+
+ def make_tup ():
+ m = SequentialMusic()
+ m.append (make_note ())
+ m.append (make_note ())
+ m.append (make_note ())
+
+
+ t = TimeScaledMusic ()
+ t.numerator = 2
+ t.denominator = 3
+ t.element = m
+ return t
+
+ m = SequentialMusic ()
+ m.append (make_tup ())
+ m.append (make_tup ())
+ m.append (make_tup ())
+
+ printer = Output_printer()
+ m.print_ly (printer)
+ printer.newline ()
+
def test_expr ():
- m = SequentialMusic()
- l = 2
- evc = EventChord()
- 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()
- 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()
- n = NoteEvent()
- n.duration.duration_log = l
- n.pitch.step = 2
- evc.insert_around (None, n, 0)
- m.insert_around (None, evc, 0)
-
- evc = ClefChange()
- evc.type = 'treble'
- m.insert_around (None, evc, 0)
-
- evc = EventChord()
- tonic = Pitch ()
- tonic.step = 2
- tonic.alteration = -2
- n = KeySignatureChange()
- n.tonic=tonic.copy()
- n.scale = [0, 0, -2, 0, 0,-2,-2]
-
- evc.insert_around (None, n, 0)
- m.insert_around (None, evc, 0)
-
- return m
+ m = SequentialMusic()
+ l = 2
+ 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 = 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 = ChordEvent()
+ n = NoteEvent()
+ n.duration.duration_log = l
+ n.pitch.step = 2
+ evc.insert_around (None, n, 0)
+ m.insert_around (None, evc, 0)
+
+ evc = ClefChange()
+ evc.type = 'treble'
+ m.insert_around (None, evc, 0)
+
+ evc = ChordEvent()
+ tonic = Pitch ()
+ tonic.step = 2
+ tonic.alteration = -2
+ n = KeySignatureChange()
+ n.tonic=tonic.copy()
+ n.scale = [0, 0, -2, 0, 0,-2,-2]
+
+ evc.insert_around (None, n, 0)
+ m.insert_around (None, evc, 0)
+
+ return m
if __name__ == '__main__':
- test_printer ()
- raise 'bla'
- test_pitch()
-
- expr = test_expr()
- expr.set_start (Rational (0))
- print expr.ly_expression()
- start = Rational (0,4)
- stop = Rational (4,2)
- def sub(x, start=start, stop=stop):
- ok = x.start >= start and x.start +x.get_length() <= stop
- return ok
-
- print expr.lisp_sub_expression(sub)
+ test_printer ()
+ raise 'bla'
+ test_pitch()
+
+ expr = test_expr()
+ expr.set_start (Rational (0))
+ print expr.ly_expression()
+ start = Rational (0,4)
+ stop = Rational (4,2)
+ def sub(x, start=start, stop=stop):
+ ok = x.start >= start and x.start +x.get_length() <= stop
+ return ok
+
+ print expr.lisp_sub_expression(sub)
projects / lilypond.git / blobdiff