scripts/mup2ly.py

   1 #!@PYTHON@
   2 # mup2ly.py -- mup input converter
   3 #
   4 # source file of the GNU LilyPond music typesetter
   5 #
   6 # (c) 2001
   7
   8 '''
   9 TODO:
  10    LOTS: we get all notes out now, rest after 1.4
  11
  12    * lyrics (partly done)
  13    * bars
  14    * slurs,ties
  15    * staff settings
  16    * tuplets
  17    * grace
  18    * ornaments
  19    * midi settings
  20    * titling
  21    * chords entry mode
  22    * repeats, percent repeats
  23
  24 '''
  25
  26 import os
  27 import fnmatch
  28 import stat
  29 import string
  30 import re
  31 import getopt
  32 import sys
  33 import __main__
  34 import operator
  35 import tempfile
  36
  37
  38 # if set, LILYPONDPREFIX must take prevalence
  39 # if datadir is not set, we're doing a build and LILYPONDPREFIX
  40 datadir = '@local_lilypond_datadir@'
  41 if os.environ.has_key ('LILYPONDPREFIX') \
  42    or '@local_lilypond_datadir@' == '@' + 'local_lilypond_datadir' + '@':
  43         datadir = os.environ['LILYPONDPREFIX']
  44 else:
  45         datadir = '@local_lilypond_datadir@'
  46
  47 sys.path.append (os.path.join (datadir, 'python'))
  48 sys.path.append (os.path.join (datadir, 'python/out'))
  49
  50 program_name = sys.argv[0]
  51 program_version = '@TOPLEVEL_VERSION@'
  52 original_dir = os.getcwd ()
  53 temp_dir = os.path.join (original_dir,  '%s.dir' % program_name)
  54 errorport = sys.stderr
  55 keep_temp_dir_p = 0
  56 verbose_p = 0
  57
  58 localedir = '@localedir@'
  59 try:
  60         import gettext
  61         gettext.bindtextdomain ('lilypond', localedir)
  62         gettext.textdomain ('lilypond')
  63         _ = gettext.gettext
  64 except:
  65         def _ (s):
  66                 return s
  67
  68
  69 program_name = 'mup2ly'
  70 help_summary = _ ("Convert mup to LilyPond source.")
  71
  72 option_definitions = [
  73         ('', 'd', 'debug', _ ("debug")),
  74         ('NAME[=EXP]', 'D', 'define', _ ("define macro NAME [optional expansion EXP]")),
  75         ('', 'h', 'help', _ ("print this help")),
  76         ('FILE', 'o', 'output', _ ("write output to FILE")),
  77         ('', 'E', 'pre-process', _ ("only pre-process")),
  78         ('', 'V', 'verbose', _ ("be verbose")),
  79         ('', 'v', 'version', _ ("print version number")),
  80         ('', 'w', 'warranty', _ ("show warranty and copyright")),
  81         ]
  82
  83
  84 ################################################################
  85 # lilylib.py -- options and stuff
  86 #
  87 # source file of the GNU LilyPond music typesetter
  88
  89 # Handle bug in Python 1.6-2.1
  90 #
  91 # there are recursion limits for some patterns in Python 1.6 til 2.1.
  92 # fix this by importing pre instead. Fix by Mats.
  93
  94 # todo: should check Python version first.
  95 try:
  96         import pre
  97         re = pre
  98         del pre
  99 except ImportError:
 100         import re
 101
 102 # Attempt to fix problems with limited stack size set by Python!
 103 # Sets unlimited stack size. Note that the resource module only
 104 # is available on UNIX.
 105 try:
 106        import resource
 107        resource.setrlimit (resource.RLIMIT_STACK, (-1, -1))
 108 except:
 109        pass
 110
 111 try:
 112         import gettext
 113         gettext.bindtextdomain ('lilypond', localedir)
 114         gettext.textdomain ('lilypond')
 115         _ = gettext.gettext
 116 except:
 117         def _ (s):
 118                 return s
 119
 120 program_version = '@TOPLEVEL_VERSION@'
 121 if program_version == '@' + 'TOPLEVEL_VERSION' + '@':
 122         program_version = '1.5.54'
 123
 124 def identify ():
 125         sys.stdout.write ('%s (GNU LilyPond) %s\n' % (program_name, program_version))
 126
 127 def warranty ():
 128         identify ()
 129         sys.stdout.write ('\n')
 130         sys.stdout.write (_ ('Copyright (c) %s by') % '2001--2005')
 131         sys.stdout.write ('\n')
 132         sys.stdout.write ('  Han-Wen Nienhuys')
 133         sys.stdout.write ('  Jan Nieuwenhuizen')
 134         sys.stdout.write ('\n\n')
 135         sys.stdout.write (_ ("Distributed under terms of the GNU General Public License."))
 136         sys.stdout.write (_ ("It comes with NO WARRANTY."))
 137         sys.stdout.write ('\n')
 138
 139 def progress (s):
 140         errorport.write (s + '\n')
 141
 142 def warning (s):
 143         progress (_ ("warning: ") + s)
 144
 145 def user_error (s, e=1):
 146         errorport.write (program_name + ":" + _ ("error: ") + s + '\n')
 147         sys.exit (e)
 148
 149 def error (s):
 150         '''Report the error S.  Exit by raising an exception. Please
 151         do not abuse by trying to catch this error. If you do not want
 152         a stack trace, write to the output directly.
 153
 154         RETURN VALUE
 155
 156         None
 157
 158         '''
 159
 160         progress (_ ("error: ") + s)
 161         raise _ ("Exiting ... ")
 162
 163 def getopt_args (opts):
 164         '''Construct arguments (LONG, SHORT) for getopt from  list of options.'''
 165         short = ''
 166         long = []
 167         for o in opts:
 168                 if o[1]:
 169                         short = short + o[1]
 170                         if o[0]:
 171                                 short = short + ':'
 172                 if o[2]:
 173                         l = o[2]
 174                         if o[0]:
 175                                 l = l + '='
 176                         long.append (l)
 177         return (short, long)
 178
 179 def option_help_str (o):
 180         '''Transform one option description (4-tuple ) into neatly formatted string'''
 181         sh = '  '
 182         if o[1]:
 183                 sh = '-%s' % o[1]
 184
 185         sep = '  '
 186         if o[1] and o[2]:
 187                 sep = ', '
 188
 189         long = ''
 190         if o[2]:
 191                 long= '--%s' % o[2]
 192
 193         arg = ''
 194         if o[0]:
 195                 if o[2]:
 196                         arg = '='
 197                 arg = arg + o[0]
 198         return '  ' + sh + sep + long + arg
 199
 200
 201 def options_help_str (opts):
 202         '''Convert a list of options into a neatly formatted string'''
 203         w = 0
 204         strs =[]
 205         helps = []
 206
 207         for o in opts:
 208                 s = option_help_str (o)
 209                 strs.append ((s, o[3]))
 210                 if len (s) > w:
 211                         w = len (s)
 212
 213         str = ''
 214         for s in strs:
 215                 str = str + '%s%s%s\n' % (s[0], ' ' * (w - len(s[0])  + 3), s[1])
 216         return str
 217
 218 def help ():
 219         ls = [(_ ("Usage: %s [OPTIONS]... FILE") % program_name),
 220                 ('\n\n'),
 221                 (help_summary),
 222                 ('\n\n'),
 223                 (_ ("Options:")),
 224                 ('\n'),
 225                 (options_help_str (option_definitions)),
 226                 ('\n\n'),
 227                 (_ ("Report bugs to %s.") % 'bug-lilypond@gnu.org'),
 228                 ('\n')]
 229         map (sys.stdout.write, ls)
 230
 231 def setup_temp ():
 232         """
 233         Create a temporary directory, and return its name.
 234         """
 235         global temp_dir
 236         if not keep_temp_dir_p:
 237                 temp_dir = tempfile.mktemp (program_name)
 238         try:
 239                 os.mkdir (temp_dir, 0777)
 240         except OSError:
 241                 pass
 242
 243         return temp_dir
 244
 245
 246 def system (cmd, ignore_error = 0, quiet =0):
 247         """Run CMD. If IGNORE_ERROR is set, don't complain when CMD returns non zero.
 248
 249         RETURN VALUE
 250
 251         Exit status of CMD
 252         """
 253
 254         if verbose_p:
 255                 progress (_ ("Invoking `%s\'") % cmd)
 256
 257         st = os.system (cmd)
 258         if st:
 259                 name = re.match ('[ \t]*([^ \t]*)', cmd).group (1)
 260                 msg = name + ': ' + _ ("command exited with value %d") % st
 261                 if ignore_error:
 262                         if not quiet:
 263                                 warning (msg + ' ' + _ ("(ignored)") + ' ')
 264                 else:
 265                         error (msg)
 266
 267         return st
 268
 269
 270 def cleanup_temp ():
 271         if not keep_temp_dir_p:
 272                 if verbose_p:
 273                         progress (_ ("Cleaning %s...") % temp_dir)
 274                 shutil.rmtree (temp_dir)
 275
 276
 277 def strip_extension (f, ext):
 278         (p, e) = os.path.splitext (f)
 279         if e == ext:
 280                 e = ''
 281         return p + e
 282
 283
 284 def cp_to_dir (pattern, dir):
 285         "Copy files matching re PATTERN from cwd to DIR"
 286         # Duh.  Python style portable: cp *.EXT OUTDIR
 287         # system ('cp *.%s %s' % (ext, outdir), 1)
 288         files = filter (lambda x, p=pattern: re.match (p, x), os.listdir ('.'))
 289         map (lambda x, d=dir: shutil.copy2 (x, os.path.join (d, x)), files)
 290
 291
 292 # Python < 1.5.2 compatibility
 293 #
 294 # On most platforms, this is equivalent to
 295 #`normpath(join(os.getcwd()), PATH)'.  *Added in Python version 1.5.2*
 296 if os.path.__dict__.has_key ('abspath'):
 297         abspath = os.path.abspath
 298 else:
 299         def abspath (path):
 300                 return os.path.normpath (os.path.join (os.getcwd (), path))
 301
 302 if os.__dict__.has_key ('makedirs'):
 303         makedirs = os.makedirs
 304 else:
 305         def makedirs (dir, mode=0777):
 306                 system ('mkdir -p %s' % dir)
 307
 308
 309 def mkdir_p (dir, mode=0777):
 310         if not os.path.isdir (dir):
 311                 makedirs (dir, mode)
 312
 313
 314 # if set, LILYPONDPREFIX must take prevalence
 315 # if datadir is not set, we're doing a build and LILYPONDPREFIX
 316 datadir = '@local_lilypond_datadir@'
 317
 318 if os.environ.has_key ('LILYPONDPREFIX') :
 319         datadir = os.environ['LILYPONDPREFIX']
 320 else:
 321         datadir = '@local_lilypond_datadir@'
 322
 323
 324 while datadir[-1] == os.sep:
 325         datadir= datadir[:-1]
 326
 327 sys.path.insert (0, os.path.join (datadir, 'python'))
 328
 329 ################################################################
 330 # END Library
 331
 332
 333 output = 0
 334
 335 #
 336 # PMX cut and paste
 337 #
 338
 339 def encodeint (i):
 340         return chr (i  + ord ('A'))
 341
 342
 343 actab = {-2: 'eses', -1: 'es', 0 : '', 1: 'is', 2:'isis'}
 344
 345 def pitch_to_lily_string (tup):
 346         (o,n,a) = tup
 347
 348         nm = chr((n + 2) % 7 + ord ('a'))
 349         nm = nm + actab[a]
 350         if o > 0:
 351                 nm = nm + "'" * o
 352         elif o < 0:
 353                 nm = nm + "," * -o
 354         return nm
 355
 356 def gcd (a,b):
 357         if b == 0:
 358                 return a
 359         c = a
 360         while c:
 361                 c = a % b
 362                 a = b
 363                 b = c
 364         return a
 365
 366 def rat_simplify (r):
 367         (n,d) = r
 368         if d < 0:
 369                 d = -d
 370                 n = -n
 371         if n == 0:
 372                 return (0,1)
 373         else:
 374                 g = gcd (n, d)
 375                 return (n/g, d/g)
 376
 377 def rat_multiply (a,b):
 378         (x,y) = a
 379         (p,q) = b
 380
 381         return rat_simplify ((x*p, y*q))
 382
 383 def rat_divide (a,b):
 384         (p,q) = b
 385         return rat_multiply (a, (q,p))
 386
 387 tuplet_table = {
 388         2: 3,
 389         3: 2,
 390         5: 4
 391 }
 392
 393
 394 def rat_add (a,b):
 395         (x,y) = a
 396         (p,q) = b
 397
 398         return rat_simplify ((x*q + p*y, y*q))
 399
 400 def rat_neg (a):
 401         (p,q) = a
 402         return (-p,q)
 403
 404
 405 def rat_larger (a,b):
 406         return rat_subtract (a, b )[0] > 0
 407
 408 def rat_subtract (a,b ):
 409         return rat_add (a, rat_neg (b))
 410
 411 def rat_to_duration (frac):
 412         log = 1
 413         d = (1,1)
 414         while rat_larger (d, frac):
 415                 d = rat_multiply (d, (1,2))
 416                 log = log << 1
 417
 418         frac = rat_subtract (frac, d)
 419         dots = 0
 420         if frac == rat_multiply (d, (1,2)):
 421                 dots = 1
 422         elif frac == rat_multiply (d, (3,4)):
 423                 dots = 2
 424         return (log, dots)
 425
 426
 427 class Barcheck :
 428         def __init__ (self):
 429                 pass
 430         def dump (self):
 431                 return '|\n'
 432
 433
 434 class Meter :
 435         def __init__ (self,nums):
 436                 self.nums = nums
 437         def dump (self):
 438                 return ' %{ FIXME: meter change %} '
 439
 440 class Beam:
 441         def __init__ (self, ch):
 442                 self.char = ch
 443         def dump (self):
 444                 return self.char
 445
 446 class Slur:
 447         def __init__ (self,id):
 448                 self.id = id
 449                 self.start_chord = None
 450                 self.end_chord = None
 451
 452         def calculate (self):
 453                 s =self.start_chord
 454                 e= self.end_chord
 455
 456                 if e and s:
 457                         s.note_suffix = s.note_suffix + '-('
 458                         e.note_prefix = e.note_suffix + "-)"
 459                 else:
 460                         sys.stderr.write ("\nOrphaned slur")
 461
 462 class Voice:
 463         def __init__ (self, n):
 464                 self.number = n
 465                 self.entries = []
 466                 self.chords = []
 467                 self.staff = None
 468                 self.current_slurs = []
 469                 self.slurs = []
 470
 471         def toggle_slur (self, id):
 472
 473                 for s in self.current_slurs:
 474                         if s.id == id:
 475                                 self.current_slurs.remove (s)
 476                                 s.end_chord = self.chords[-1]
 477                                 return
 478                 s = Slur (id)
 479                 s.start_chord = self.chords[-1]
 480                 self.current_slurs.append (s)
 481                 self.slurs.append (s)
 482
 483         def last_chord (self):
 484                 if len (self.chords):
 485                         return self.chords[-1]
 486                 else:
 487                         ch = Chord ()
 488                         ch.basic_duration = 4
 489                         return ch
 490
 491         def add_chord (self, ch):
 492                 self.chords.append (ch)
 493                 self.entries.append (ch)
 494
 495         def add_nonchord (self, nch):
 496                 self.entries.append (nch)
 497
 498         def idstring (self):
 499                 return 'staff%svoice%s ' % (encodeint (self.staff.number) , encodeint(self.number))
 500
 501         def dump (self):
 502                 str = ''
 503                 #if not self.entries:
 504                 #        #return '\n'
 505                 #        #ugh ugh
 506                 #        return '\n%s = {}\n\n' % self.idstring ()
 507                 ln = '  '
 508                 one_two = ("One", "Two")
 509                 if self.staff.voices [1 - self.number].entries:
 510                         ln = ln + '\\voice%s\n  ' % one_two[self.number]
 511                 for e in self.entries:
 512                         next = e.dump ()
 513                         if next[-1] == '\n':
 514                                 str  = str + ln + next + ' '
 515                                 ln = '  '
 516                                 continue
 517
 518                         if len (ln) +len (next) > 72:
 519                                 str = str+ ln + '\n'
 520                                 ln = '  '
 521                         ln = ln + next + ' '
 522
 523
 524                 str = str  + ln
 525                 id = self.idstring ()
 526
 527                 str = '''%s = \\context Voice = %s {
 528 %s
 529 }
 530
 531 '''% (id, id, str)
 532                 return str
 533
 534         def calculate_graces (self):
 535                 lastgr = 0
 536                 lastc = None
 537                 for c in self.chords:
 538                         if c.grace and  not lastgr:
 539                                 c.chord_prefix = c.chord_prefix + '\\grace { '
 540                         elif not c.grace and lastgr:
 541                                 lastc.chord_suffix = lastc.chord_suffix + ' } '
 542                         lastgr = c.grace
 543                         lastc = c
 544
 545         def calculate (self):
 546                 self.calculate_graces ()
 547                 for s in self.slurs:
 548                         s.calculate ()
 549
 550 class Clef:
 551         def __init__ (self, cl):
 552                 self.type = cl
 553
 554         def dump (self):
 555                 return '\\clef %s' % self.type
 556
 557 key_sharps = ('c', 'g', 'd', 'a', 'e', 'b', 'fis')
 558 key_flats = ('BUG', 'f', 'bes', 'es', 'as', 'des', 'ges')
 559
 560 class Key:
 561         def __init__ (self, sharps, flats):
 562                 self.flats = flats
 563                 self.sharps = sharps
 564
 565         def dump (self):
 566                 if self.sharps and self.flats:
 567                         k = '\\keysignature %s ' % 'TODO'
 568                 elif self.sharps:
 569                         k = '\\key %s \major' % key_sharps[self.sharps]
 570                 elif self.flats:
 571                         k = '\\key %s \major' % key_flats[self.flats]
 572                 return k
 573
 574 class Time:
 575         def __init__ (self, frac):
 576                 self.frac = frac
 577
 578         def dump (self):
 579                 return '\\time %d/%d' % (self.frac[0], self.frac[1])
 580
 581
 582 clef_table = {
 583         'b':'bass'  ,
 584         'r':'baritone',
 585         'n':'tenor',
 586         'a':'alto',
 587         'm':'mezzosoprano',
 588         's':'soprano',
 589         't':'treble',
 590         'f':'frenchviolin',
 591         }
 592
 593 class Staff:
 594         def __init__ (self, n):
 595                 # ugh
 596                 self.voices = (Voice (0), Voice (1))
 597
 598                 self.clef = None
 599                 self.time = None
 600                 self.key = None
 601                 self.instrument = 0
 602                 self.number = n
 603
 604                 i = 0
 605                 for v in self.voices:
 606                         v.staff = self
 607                         v.number = i
 608                         i = i+1
 609
 610         #def set_clef (self, letter):
 611         #       clstr = clef_table[letter]
 612         #       self.voices[0].add_nonchord (Clef (clstr))
 613
 614         def calculate (self):
 615                 for v in self.voices:
 616                         v.calculate ()
 617
 618         def idstring (self):
 619                 return 'staff%s' % encodeint (self.number)
 620
 621         def dump (self):
 622                 str = ''
 623
 624                 refs = ''
 625                 for v in self.voices:
 626                         if v.entries:
 627                                 # urg
 628                                 if v == self.voices[0]:
 629                                         if self.clef:
 630                                                 refs = refs + self.clef.dump ()
 631                                         if self.time:
 632                                                 refs = refs + self.time.dump ()
 633                                         if self.key:
 634                                                 refs = refs + self.key.dump ()
 635                                         if refs:
 636                                                 refs = '\n  ' + refs
 637                                 str = str + v.dump()
 638                                 refs = refs + '\n  \\' + v.idstring ()
 639                 str = str + '''
 640 %s = \context Staff = %s <<%s
 641 >>
 642
 643 ''' % (self.idstring (), self.idstring (), refs)
 644                 return str
 645
 646 class Tuplet:
 647         def __init__ (self, number, base, dots):
 648                 self.chords = []
 649                 self.number = number
 650                 self.replaces = tuplet_table[number]
 651                 self.base = base
 652                 self.dots = dots
 653
 654                 length = (1,base)
 655                 if dots == 1:
 656                         length = rat_multiply (length, (3,2))
 657                 elif dots == 2:
 658                         length = rat_multiply (length, (7,4))
 659
 660                 length = rat_multiply (length, (1,self.replaces))
 661
 662                 (nb,nd) =rat_to_duration (length)
 663
 664                 self.note_base = nb
 665                 self.note_dots = nd
 666
 667         def add_chord (self, ch):
 668                 ch.dots = self.note_dots
 669                 ch.basic_duration = self.note_base
 670                 self.chords.append (ch)
 671
 672                 if len (self.chords) == 1:
 673                         ch.chord_prefix = '\\times %d/%d { ' % (self.replaces, self.number)
 674                 elif len (self.chords) == self.number:
 675                         ch.chord_suffix = ' }'
 676
 677 class Chord:
 678         def __init__ (self):
 679                 self.pitches = []
 680                 self.multimeasure = 0
 681                 self.dots = 0
 682                 self.basic_duration = 0
 683                 self.scripts = []
 684                 self.grace = 0
 685                 self.chord_prefix = ''
 686                 self.chord_suffix = ''
 687                 self.note_prefix = ''
 688                 self.note_suffix = ''
 689
 690         # maybe use import copy?
 691         def copy (self):
 692                 ch = Chord ()
 693                 #for i in self.pitches:
 694                 #       ch.pitches.append (i)
 695                 ch.pitches = self.pitches[:]
 696                 ch.multimeasure = self.multimeasure
 697                 ch.dots = self.dots
 698                 ch.basic_duration = self.basic_duration
 699                 #for i in self.scripts:
 700                 #       ch.scripts.append (i)
 701                 ch.scripts = self.scripts[:]
 702                 ch.grace = self.grace
 703
 704                 ch.chord_prefix = self.chord_prefix
 705                 ch.chord_suffix = self.chord_suffix
 706                 ch.note_prefix = self.note_prefix
 707                 ch.note_suffix = self.note_suffix
 708                 return ch
 709
 710
 711         def dump (self):
 712                 str = ''
 713
 714                 sd = ''
 715                 if self.basic_duration == 0.5:
 716                         sd = '\\breve'
 717                 else:
 718                         sd = '%d' % self.basic_duration
 719                 sd = sd + '.' * self.dots
 720                 for p in self.pitches:
 721                         if str:
 722                                 str = str + ' '
 723                         str = str + pitch_to_lily_string (p)
 724
 725
 726                 str = self.note_prefix +str  + self.note_suffix
 727
 728                 if len (self.pitches) > 1:
 729                         str = '<%s>' % str
 730                 elif self.multimeasure:
 731                         str = 'R'
 732                 elif len (self.pitches) == 0:
 733                         str = 'r'
 734
 735                 str = str + sd
 736                 for s in self.scripts:
 737                         str = str + '-' + s
 738
 739                 str = self.chord_prefix + str + self.chord_suffix
 740
 741                 return str
 742
 743 SPACE=' \t\n'
 744 DIGITS ='0123456789'
 745 basicdur_table = {
 746         9: 0.5,
 747         0: 0 ,
 748         2: 2 ,
 749         4: 4 ,
 750         8: 8 ,
 751         1: 16,
 752         3: 32,
 753         6: 64
 754         }
 755
 756
 757 ornament_table = {
 758         't': '\\prall',
 759         'm': '\\mordent',
 760         'x': '"x"',
 761         '+': '+',
 762         'u': '"pizz"',
 763         'p': '|',
 764         '(': '"paren"',
 765         ')': '"paren"',
 766         'g': '"segno"',
 767         '.': '.',
 768         'fd': '\\fermata',
 769         'f': '\\fermata',
 770         '_': '-',
 771         'T': '\\trill',
 772         '>': '>',
 773         '^': '^',
 774         }
 775
 776 # http://www.arkkra.com/doc/uguide/contexts.html
 777
 778 contexts = (
 779         'header',
 780         'footer',
 781         'header2',
 782         'footer2',
 783         'score',
 784         'staff',
 785         'voice',
 786         'grids',
 787         'music',
 788         )
 789
 790 class Parser:
 791         def __init__ (self, lines):
 792                 self.parse_function = self.parse_context_music
 793                 self.staffs = []
 794                 self.current_voices = []
 795                 self.forced_duration = None
 796                 self.last_name = 0
 797                 self.last_oct = 0
 798                 self.tuplets_expected = 0
 799                 self.tuplets = []
 800                 self.clef = None
 801                 self.time = None
 802                 self.key = None
 803
 804                 self.parse (lines)
 805
 806         def parse_compound_location (self, line):
 807                 colon = string.index (line, ':')
 808                 s = line[:colon]
 809                 debug (s)
 810                 line = line[colon + 1:]
 811                 debug (line)
 812                 self.current_voices = []
 813                 ##self.current_staffs = []
 814                 map (self.parse_location, string.split (s, '&'))
 815                 return line
 816
 817         def parse_location (self, line):
 818                 m = re.match ('^([-,0-9]+) *([-,0-9]*)', string.lstrip (line))
 819
 820                 def range_list_to_idxs (s):
 821
 822                         # duh
 823                         def flatten (l):
 824                                 f = []
 825                                 for i in l:
 826                                         for j in i:
 827                                                 f.append (j)
 828                                 return f
 829
 830                         def range_to_list (s):
 831                                 if string.find (s, '-') >= 0:
 832                                         debug ('s: ' + s)
 833                                         l = map (string.lstrip,
 834                                                  string.split (s, '-'))
 835                                         r = range (string.atoi (l[0]) - 1,
 836                                                    string.atoi (l[1]))
 837                                 else:
 838                                         r = (string.atoi (s) - 1,)
 839                                 return r
 840
 841                         ranges = string.split (s, ',')
 842                         l = flatten (map (range_to_list, ranges))
 843                         l.sort ()
 844                         return l
 845
 846                 staff_idxs = range_list_to_idxs (m.group (1))
 847                 if m.group (2):
 848                         voice_idxs = range_list_to_idxs (m.group (2))
 849                 else:
 850                         voice_idxs = [0]
 851                 for s in staff_idxs:
 852                         while s > len (self.staffs) - 1:
 853                                 self.staffs.append (Staff (s))
 854                         for v in voice_idxs:
 855                                 self.current_voices.append (self.staffs[s].voices[v])
 856
 857         def parse_note (self, line):
 858                 # FIXME: 1?
 859                 oct = 1
 860                 name = (ord (line[0]) - ord ('a') + 5) % 7
 861                 # FIXME: does key play any role in this?
 862                 alteration = 0
 863                 debug ('NOTE: ' + `line`)
 864                 line = string.lstrip (line[1:])
 865                 while line:
 866                         if len (line) > 1 and line[:2] == '//':
 867                                 line = 0
 868                                 break
 869                         elif line[0] == '#':
 870                                 alteration = alteration + 1
 871                         elif line[0] == '&':
 872                                 alteration = alteration - 1
 873                         elif line[0] == '+':
 874                                 oct = oct + 1
 875                         elif line[0] == '-':
 876                                 oct = oct - 1
 877                         else:
 878                                 skipping (line[0])
 879                         line = string.lstrip (line[1:])
 880                 return (oct, name, alteration)
 881
 882         def parse_chord (self, line):
 883                 debug ('CHORD: ' + line)
 884                 line = string.lstrip (line)
 885                 ch = Chord ()
 886                 if not line:
 887                         #ch = self.current_voices[0].last_chord ()
 888                         ch = self.last_chord.copy ()
 889                 else:
 890                         m = re.match ('^([0-9]+)([.]*)', line)
 891                         if m:
 892                                 ch.basic_duration = string.atoi (m.group (1))
 893                                 line = line[len (m.group (1)):]
 894                                 if m.group (2):
 895                                         ch.dots = len (m.group (2))
 896                                         line = line[len (m.group (2)):]
 897                         else:
 898                                 #ch.basic_duration = self.current_voices[0].last_chord ().basic_duration
 899                                 ch.basic_duration = self.last_chord.basic_duration
 900
 901                         line = string.lstrip (line)
 902                         if len (line) > 1 and line[:2] == '//':
 903                                 line = 0
 904                         #ugh
 905                         if not line:
 906                                 debug ('nline: ' + line)
 907                                 #ch = self.current_voices[0].last_chord ()
 908                                 n = self.last_chord.copy ()
 909                                 n.basic_duration = ch.basic_duration
 910                                 n.dots = ch.dots
 911                                 ch = n
 912                                 debug ('ch.pitsen:' + `ch.pitches`)
 913                                 debug ('ch.dur:' + `ch.basic_duration`)
 914                         else:
 915                                 debug ('eline: ' + line)
 916
 917                         while line:
 918                                 if len (line) > 1 and line[:2] == '//':
 919                                         line = 0
 920                                         break
 921                                 elif line[:1] == 'mr':
 922                                         ch.multimeasure = 1
 923                                         line = line[2:]
 924                                 elif line[:1] == 'ms':
 925                                         ch.multimeasure = 1
 926                                         line = line[2:]
 927                                 elif line[0] in 'rs':
 928                                         line = line[1:]
 929                                         pass
 930                                 elif line[0] in 'abcdefg':
 931                                         m = re.match ('([a-g][-#&+]*)', line)
 932                                         l = len (m.group (1))
 933                                         pitch = self.parse_note (line[:l])
 934                                         debug ('PITCH: ' + `pitch`)
 935                                         ch.pitches.append (pitch)
 936                                         line = line[l:]
 937                                         break
 938                                 else:
 939                                         skipping (line[0])
 940                                         line = line[1:]
 941                                 line = string.lstrip (line)
 942                 debug ('CUR-VOICES: ' + `self.current_voices`)
 943                 map (lambda x, ch=ch: x.add_chord (ch), self.current_voices)
 944                 self.last_chord = ch
 945
 946         def parse_lyrics_location (self, line):
 947                 line = line.lstrip (line)
 948                 addition = 0
 949                 m = re.match ('^(between[ \t]+)', line)
 950                 if m:
 951                         line = line[len (m.group (1)):]
 952                         addition = 0.5
 953                 else:
 954                         m = re.match ('^(above [ \t]+)', line)
 955                         if m:
 956                                 line = line[len (m.group (1)):]
 957                                 addition = -0.5
 958                         else:
 959                                 addlyrics = 1
 960
 961         def parse_voice (self, line):
 962                 line = string.lstrip (line)
 963                 # `;' is not a separator, chords end with ';'
 964                 chords = string.split (line, ';')[:-1]
 965                 # mup resets default duration and pitch each bar
 966                 self.last_chord = Chord ()
 967                 self.last_chord.basic_duration = 4
 968                 map (self.parse_chord, chords)
 969
 970         def init_context_header (self, line):
 971                 self.parse_function = self.parse_context_header
 972
 973         def parse_context_header (self, line):
 974                 debug ('header: ' + line)
 975                 skipping (line)
 976
 977         def init_context_footer (self, line):
 978                 self.parse_function = self.parse_context_footer
 979
 980         def parse_context_footer (self, line):
 981                 debug ('footer: ' + line)
 982                 skipping (line)
 983
 984         def init_context_header2 (self, line):
 985                 self.parse_function = self.parse_context_header2
 986
 987         def parse_context_header2 (self, line):
 988                 debug ('header2: ' + line)
 989                 skipping (line)
 990
 991         def init_context_footer2 (self, line):
 992                 self.parse_function = self.parse_context_footer2
 993
 994         def parse_context_footer2 (self, line):
 995                 debug ('footer2: ' + line)
 996                 skipping (line)
 997
 998         def init_context_score (self, line):
 999                 self.parse_function = self.parse_context_score
1000
1001         def parse_context_score (self, line):
1002                 debug ('score: ' + line)
1003                 line = string.lstrip (line)
1004                 # ugh: these (and lots more) should also be parsed in
1005                 # context staff.  we should have a class Staff_properties
1006                 # and parse/set all those.
1007                 m = re.match ('^(time[ \t]*=[ \t]*([0-9]+)[ \t]*/[ \t]*([0-9]+))', line)
1008                 if m:
1009                         line = line[len (m.group (1)):]
1010                         self.time = Time ((string.atoi (m.group (2)),
1011                                            string.atoi (m.group (3))))
1012
1013                 m = re.match ('^(key[ \t]*=[ \t]*([0-9]+)[ \t]*(#|@))', line)
1014                 if m:
1015                         line = line[len (m.group (1)):]
1016                         n = string.atoi (m.group (2))
1017                         if m.group (3) == '#':
1018                                 self.key = Key (n, 0)
1019                         else:
1020                                 self.key = Key (0, n)
1021                 skipping (line)
1022
1023         def init_context_staff (self, line):
1024                 self.parse_function = self.parse_context_staff
1025
1026         def parse_context_staff (self, line):
1027                 debug ('staff: ' + line)
1028                 skipping (line)
1029
1030         def init_context_voice (self, line):
1031                 self.parse_function = self.parse_context_voice
1032
1033         def parse_context_voice (self, line):
1034                 debug ('voice: ' + line)
1035                 skipping (line)
1036
1037         def init_context_grids (self, line):
1038                 self.parse_function = self.parse_context_grids
1039
1040         def parse_context_grids (self, line):
1041                 debug ('grids: ' + line)
1042                 skipping (line)
1043
1044         def init_context_music (self, line):
1045                 self.parse_function = self.parse_context_music
1046
1047         def parse_context_music (self, line):
1048                 debug ('music: ' + line)
1049                 line = string.lstrip (line)
1050                 if line and line[0] in '0123456789':
1051                         line = self.parse_compound_location (line)
1052                         self.parse_voice (line)
1053                 else:
1054                         m = re.match ('^(TODOlyrics[ \t]+)', line)
1055                         if m:
1056                                 line = line[len (m.group (1)):]
1057                                 self.parse_lyrics_location (line[7:])
1058                                 self.parse_lyrics (line)
1059                         else:
1060                                 skipping (line)
1061
1062         def parse (self, lines):
1063                 # shortcut: set to official mup maximum (duh)
1064                 # self.set_staffs (40)
1065                 for line in lines:
1066                         debug ('LINE: ' + `line`)
1067                         m = re.match ('^([a-z]+2?)', line)
1068
1069                         if m:
1070                                 word = m.group (1)
1071                                 if word in contexts:
1072                                         eval ('self.init_context_%s (line)' % word)
1073                                         continue
1074                                 else:
1075                                         warning (_ ("no such context: %s") % word)
1076                                         skipping (line)
1077                         else:
1078                                 debug ('FUNC: ' + `self.parse_function`)
1079                                 self.parse_function (line)
1080
1081                 for c in self.staffs:
1082                         # hmm
1083                         if not c.clef and self.clef:
1084                                 c.clef = self.clef
1085                         if not c.time and self.time:
1086                                 c.time = self.time
1087                         if not c.key and self.key:
1088                                 c.key = self.key
1089                         c.calculate ()
1090
1091         def dump (self):
1092                 str = ''
1093
1094                 refs = ''
1095                 for s in self.staffs:
1096                         str = str +  s.dump ()
1097                         refs = refs + '\n    \\' + s.idstring ()
1098
1099                 str = str + '''
1100
1101 \score {
1102   <<%s
1103   >>
1104   \layout {}
1105   \midi {}
1106 }
1107 ''' % refs
1108                 return str
1109
1110
1111 class Pre_processor:
1112         def __init__ (self, raw_lines):
1113                 self.lines = []
1114                 self.active = [1]
1115                 self.process_function = self.process_line
1116                 self.macro_name = ''
1117                 self.macro_body = ''
1118                 self.process (raw_lines)
1119
1120         def process_line (self, line):
1121                 global macros
1122                 m = re.match ('^([ \t]*([a-zA-Z]+))', line)
1123                 s = line
1124                 if m:
1125                         word = m.group (2)
1126                         debug ('MACRO?: ' + `word`)
1127                         if word in pre_processor_commands:
1128                                 line = line[len (m.group (1)):]
1129                                 eval ('self.process_macro_%s (line)' % word)
1130                                 s = ''
1131                         else:
1132                                 if macros.has_key (word):
1133                                         s = macros[word] + line[len (m.group (1)):]
1134                 if not self.active [-1]:
1135                         s = ''
1136                 return s
1137
1138         def process_macro_body (self, line):
1139                 global macros
1140                 # dig this: mup allows ifdefs inside macro bodies
1141                 s = self.process_line (line)
1142                 m = re.match ('(.*[^\\\\])(@)(.*)', s)
1143                 if m:
1144                         self.macro_body = self.macro_body + '\n' + m.group (1)
1145                         macros[self.macro_name] = self.macro_body
1146                         debug ('MACROS: ' + `macros`)
1147                         # don't do nested multi-line defines
1148                         self.process_function = self.process_line
1149                         if m.group (3):
1150                                 s = m.group (3)
1151                         else:
1152                                 s = ''
1153                 else:
1154                         self.macro_body = self.macro_body + '\n' + s
1155                         s = ''
1156                 return s
1157
1158         # duh: mup is strictly line-based, except for `define',
1159         # which is `@' terminated and may span several lines
1160         def process_macro_define (self, line):
1161                 global macros
1162                 # don't define new macros in unactive areas
1163                 if not self.active[-1]:
1164                         return
1165                 m = re.match ('^[ \t]*([a-zA-Z][a-zA-Z1-9_]*)(([^@]*)|(\\\\@))(@)?', line)
1166                 n = m.group (1)
1167                 if m.group (5):
1168                         if m.group (2):
1169                                 e = m.group (2)
1170                         else:
1171                                 e = ''
1172                         macros[n] = e
1173                         debug ('MACROS: ' + `macros`)
1174                 else:
1175                         # To support nested multi-line define's
1176                         # process_function and macro_name, macro_body
1177                         # should become lists (stacks)
1178                         # The mup manual is undetermined on this
1179                         # and I haven't seen examples doing it.
1180                         #
1181                         # don't do nested multi-line define's
1182                         if m.group (2):
1183                                 self.macro_body = m.group (2)
1184                         else:
1185                                 self.macro_body = ''
1186                         self.macro_name = n
1187                         self.process_function = self.process_macro_body
1188
1189         def process_macro_ifdef (self, line):
1190                 m = re.match ('^[ \t]*([a-zA-Z][a-zA-Z1-9_]*)', line)
1191                 if m:
1192
1193                         active = self.active[-1] and macros.has_key (m.group (1))
1194                         debug ('ACTIVE: %d' % active)
1195                         self.active.append (active)
1196
1197         def process_macro_ifndef (self, line):
1198                 m = re.match ('^[ \t]*([a-zA-Z][a-zA-Z1-9_]*)', line)
1199                 if m:
1200                         active = self.active[-1] and not macros.has_key (m.group (1))
1201                         self.active.append (active)
1202
1203         def process_macro_else (self, line):
1204                 debug ('ELSE')
1205                 self.active[-1] = not self.active[-1]
1206
1207         def process_macro_endif (self, line):
1208                 self.active = self.active[:-1]
1209
1210         def process (self, raw_lines):
1211                 s = ''
1212                 for line in raw_lines:
1213                         ls = string.split (self.process_function (line), '\n')
1214                         for i in ls:
1215                                 if i:
1216                                         s = s + string.rstrip (i)
1217                                         if s and s[-1] == '\\':
1218                                                 s = string.rstrip (s[:-1])
1219                                         elif s:
1220                                                 self.lines.append (s)
1221                                                 s = ''
1222
1223
1224 debug_p = 0
1225 only_pre_process_p = 0
1226 def debug (s):
1227         if debug_p:
1228                 progress ('DEBUG: ' + s)
1229
1230 def skipping (s):
1231         if verbose_p or debug_p:
1232                 progress ('SKIPPING: ' + s)
1233
1234 (sh, long) = getopt_args (__main__.option_definitions)
1235 try:
1236         (options, files) = getopt.getopt (sys.argv[1:], sh, long)
1237 except:
1238         help ()
1239         sys.exit (2)
1240
1241 macros = {}
1242 pre_processor_commands = (
1243         'define',
1244         'else',
1245         'endif',
1246         'ifdef',
1247         'ifndef',
1248         )
1249
1250 for opt in options:
1251         o = opt[0]
1252         a = opt[1]
1253         if 0:
1254                 pass
1255         elif o== '--debug' or o == '-d':
1256                 debug_p = 1
1257         elif o== '--define' or o == '-D':
1258                 if string.find (a, '=') >= 0:
1259                         (n, e) = string.split (a, '=')
1260                 else:
1261                         n = a
1262                         e = ''
1263                 macros[n] = e
1264         elif o== '--pre-process' or o == '-E':
1265                 only_pre_process_p = 1
1266         elif o== '--help' or o == '-h':
1267                 help ()
1268                 sys.exit (0)
1269         elif o== '--verbose' or o == '-V':
1270                 verbose_p = 1
1271         elif o == '--version' or o == '-v':
1272                 identify ()
1273                 sys.exit (0)
1274         elif o == '--output' or o == '-o':
1275                 output = a
1276         else:
1277                 print o
1278                 raise getopt.error
1279
1280 # writes to stdout for help2man
1281 # don't call
1282 # identify ()
1283 # sys.stdout.flush ()
1284
1285 # handy emacs testing
1286 # if not files:
1287 #       files = ['template.mup']
1288
1289 if not files:
1290         files = ['-']
1291
1292 for f in files:
1293         h = None
1294         if f == '-':
1295                 h = sys.stdin
1296         elif f and not os.path.isfile (f):
1297                 f = strip_extension (f, '.mup') + '.mup'
1298
1299         h = open (f)
1300         progress ( _("Processing `%s'..." % f))
1301         raw_lines = h.readlines ()
1302         p = Pre_processor (raw_lines)
1303         if only_pre_process_p:
1304                 if not output:
1305                         output = os.path.basename (re.sub ('(?i).mup$', '.mpp', f))
1306         else:
1307                 e = Parser (p.lines)
1308                 if not output:
1309                         output = os.path.basename (re.sub ('(?i).mup$', '.ly', f))
1310                 if output == f:
1311                         output = os.path.basename (f + '.ly')
1312
1313         if f == '-':
1314                 output = '-'
1315                 out_h = sys.stdout
1316         else:
1317                 out_h = open (output, 'w')
1318
1319         progress (_ ("Writing `%s'...") % output)
1320
1321         tag = '%% Lily was here -- automatically converted by %s from %s' % ( program_name, f)
1322         if only_pre_process_p:
1323                 # duh
1324                 ly = string.join (p.lines, '\n')
1325         else:
1326                 ly = tag + '\n\n' + e.dump ()
1327
1328         out_h.write (ly)
1329         out_h.close ()
1330         if debug_p:
1331                 print (ly)
1332