bin/convert-mudela.py

   1 #!@PYTHON@
   2
   3 # convert-mudela.py -- convertor for mudela versions
   4 #
   5 # source file of the GNU LilyPond music typesetter
   6 #
   7 # (c) 1998
   8
   9 # TODO
  10 #   use -f and -t for -s output
  11
  12 # NEWS
  13 # 0.2
  14 #  - rewrite in python
  15
  16 program_name = 'convert-mudela'
  17 version = '0.3'
  18
  19
  20 import os
  21 import sys
  22 import __main__
  23 import getopt
  24 from string import *
  25 import re
  26
  27 import time
  28 mudela_version_re_str = '\\\\version *\"(.*)\"'
  29 mudela_version_re = re.compile(mudela_version_re_str)
  30
  31 def program_id ():
  32         return '%s version %s' %(program_name,  version);
  33
  34 def identify ():
  35         sys.stderr.write (program_id () + '\n')
  36
  37 def gulp_file(f):
  38         try:
  39                 i = open(f)
  40                 i.seek (0, 2)
  41                 n = i.tell ()
  42                 i.seek (0,0)
  43         except:
  44                 print 'can\'t open file: ' + f + '\n'
  45                 return ''
  46         s = i.read (n)
  47         if len (s) <= 0:
  48                 print 'gulped empty file: ' + f + '\n'
  49         i.close ()
  50         return s
  51
  52
  53 def str_to_tuple (s):
  54         return tuple (map (atoi, split (s,'.')))
  55
  56 def tup_to_str (t):
  57         return join (map (lambda x: '%s' % x, list (t)), '.')
  58
  59 def version_cmp (t1, t2):
  60         for x in [0,1,2]:
  61                 if t1[x] - t2[x]:
  62                         return t1[x] - t2[x]
  63         return 0
  64
  65
  66 def guess_mudela_version(filename):
  67         s = gulp_file (filename)
  68         m = mudela_version_re.search (s)
  69         if m:
  70                 return m.group(1)
  71         else:
  72                 return ''
  73
  74 def help ():
  75         sys.stdout.write (
  76                 ("Usage: %s [OPTION]... [FILE]...\n"
  77                 + "Try to convert to newer mudela-versions\n"
  78                 + "Options:\n"
  79                 + "  -h, --help             print this help\n"
  80                 + '  -e, --edit             in place edit\n'
  81                 + '  -f, --from=VERSION     start from version\n'
  82                 + '  -s, --show-rules       print out all rules.\n'
  83                 + '  -t, --to=VERSION       target version\n') % program_name)
  84         sys.exit (0)
  85
  86 class FatalConversionError:
  87         pass
  88
  89 conversions = []
  90
  91 def show_rules (file):
  92         for x in conversions:
  93                 file.write  ('%s: %s\n' % (tup_to_str (x[0]), x[2]))
  94
  95 ############################
  96
  97 if 1:                                   # need new a namespace
  98         def conv (lines):
  99                 found =0
 100                 for x in lines:
 101                         if re.search ('\\\\octave', x):
 102                                 found = 1
 103                                 break
 104                 if found:
 105                         sys.stderr.write ('\nNot smart enough to convert \\octave')
 106                         raise FatalConversionError()
 107                 return lines
 108
 109
 110         conversions.append (
 111                 ((0,1,19), conv, 'deprecated \\octave; can\'t convert automatically'))
 112
 113
 114 if 1:                                   # need new a namespace
 115         def conv (lines):
 116                 newlines = []
 117                 for x in lines:
 118                         x = re.sub ('\\\\textstyle([^;]+);',
 119                                          '\\\\property Lyrics . textstyle = \\1', x)
 120                         x = re.sub ('\\\\key([^;]+);', '\\\\accidentals \\1;', x)
 121                         newlines.append (x)
 122                 return newlines
 123
 124
 125         conversions.append (
 126                 ((0,1,20), conv, 'deprecated \\textstyle, new \key syntax'))
 127
 128
 129 if 1:                                   # need new a namespace
 130         def conv (lines):
 131                 newlines = []
 132                 for x in lines:
 133                         x = re.sub ('\\\\musical_pitch',
 134                                          '\\\\musicalpitch',x)
 135                         x = re.sub ('\\\\meter',
 136                                          '\\\\time',x)
 137                         newlines.append (x)
 138                 return newlines
 139
 140
 141         conversions.append (
 142                 ((0,1,21), conv, '\\musical_pitch -> \\musicalpitch, '+
 143                  '\\meter -> \\time'))
 144
 145 if 1:                                   # need new a namespace
 146         def conv (lines):
 147                 return lines
 148
 149         conversions.append (
 150                 ((1,0,0), conv, '0.1.21 -> 1.0.0 '))
 151
 152
 153 if 1:                                   # need new a namespace
 154         def conv (lines):
 155                 newlines = []
 156                 for x in lines:
 157                         x = re.sub ('\\\\accidentals',
 158                                     '\\\\keysignature',x)
 159                         x = re.sub ('specialaccidentals *= *1',
 160                                          'keyoctaviation = 0',x)
 161                         x = re.sub ('specialaccidentals *= *0',
 162                                          'keyoctaviation = 1',x)
 163                         newlines.append (x)
 164                 return newlines
 165
 166
 167         conversions.append (
 168                 ((1,0,1), conv, '\\accidentals -> \\keysignature, ' +
 169                  'specialaccidentals -> keyoctaviation'))
 170
 171 if 1:
 172         def conv(lines):
 173                 found = 0
 174                 for x in lines:
 175                         if re.search ('\\\\header', x):
 176                                 found = 1
 177                                 break
 178                 if found:
 179                         sys.stderr.write ('\nNot smart enough to convert to new \\header format')
 180                 return lines
 181
 182         conversions.append ((1,0,2), conv, '\\header { key = concat + with + operator }')
 183
 184 if 1:
 185         def conv(lines):
 186                 newlines =[]
 187                 for x in lines:
 188                         x =  re.sub ('\\\\melodic', '\\\\notes',x)
 189                         newlines.append (x)
 190                 return newlines
 191
 192         conversions.append ((1,0,3), conv, '\\melodic -> \\notes')
 193
 194 if 1:
 195         def conv(lines):
 196                 newlines =[]
 197                 for x in lines:
 198                         x =  re.sub ('default_paper *=', '',x)
 199                         x =  re.sub ('default_midi *=', '',x)
 200                         newlines.append (x)
 201                 return newlines
 202
 203         conversions.append ((1,0,4), conv, 'default_{paper,midi}')
 204
 205 if 1:
 206         def conv(lines):
 207                 newlines =[]
 208                 for x in lines:
 209                         x =  re.sub ('ChoireStaff', 'ChoirStaff',x)
 210                         x =  re.sub ('\\output', 'output = ',x)
 211                         newlines.append (x)
 212                 return newlines
 213
 214         conversions.append ((1,0,5), conv, 'ChoireStaff -> ChoirStaff')
 215
 216 if 1:
 217         def conv(lines):
 218                 newlines =[]
 219                 found = None
 220                 for x in lines:
 221                         found = re.search ('[a-zA-Z]+ = *\\translator',x)
 222                         newlines.append (x)
 223                         if found: break
 224                 if found:
 225                         sys.stderr.write ('\nNot smart enough to \\translator syntax')
 226                         raise FatalConversionError()
 227                 return newlines
 228
 229         conversions.append ((1,0,6), conv, 'foo = \\translator {\\type .. } ->\\translator {\\type ..; foo; }')
 230
 231
 232 if 1:
 233         def conv(lines):
 234                 newlines =[]
 235                 for x in lines:
 236                         x =  re.sub ('\\\\lyric', '\\\\lyrics',x)
 237                         newlines.append (x)
 238                 return newlines
 239
 240         conversions.append ((1,0,7), conv, '\\lyric -> \\lyrics')
 241
 242
 243 ############################
 244
 245
 246 def get_conversions (from_version, to_version):
 247         def version_b (v, f = from_version, t = to_version):
 248                 return version_cmp (v[0], f) > 0 and version_cmp (v[0], t) <= 0
 249         return filter (version_b, conversions)
 250
 251
 252 def latest_version ():
 253         return conversions[-1][0]
 254
 255 def do_conversion (infile, from_version, outfile, to_version):
 256
 257         conv_list = get_conversions (from_version, to_version)
 258
 259         sys.stderr.write ('Applying conversions: ')
 260         lines = infile.readlines();
 261         last_conversion = ()
 262         try:
 263                 for x in conv_list:
 264                         sys.stderr.write (tup_to_str (x[0])  + ', ')
 265                         lines = x[1] (lines)
 266                         last_conversion = x[0]
 267
 268
 269         except FatalConversionError:
 270                 sys.stderr.write ('Error while converting; I won\'t convert any further')
 271
 272         for x in lines:
 273                 if last_conversion:
 274                         x = re.sub (mudela_version_re_str, '\\\\version \"%s\"' % tup_to_str (last_conversion), x)
 275                 outfile.write(x)
 276
 277 class UnknownVersion:
 278         pass
 279
 280 def do_one_file (infile_name):
 281         sys.stderr.write ('Processing `%s\' ... '% infile_name)
 282         outfile_name = ''
 283         if __main__.edit:
 284                 outfile_name = infile_name + '.NEW'
 285         elif __main__.outfile_name:
 286                 outfile_name = __main__.outfile_name
 287
 288         if __main__.from_version:
 289                 from_version = __main__.from_version
 290         else:
 291                 guess = guess_mudela_version (infile_name)
 292                 if not guess:
 293                         raise UnknownVersion()
 294                 from_version = str_to_tuple (guess)
 295
 296         if __main__.to_version:
 297                 to_version = __main__.to_version
 298         else:
 299                 to_version = latest_version ()
 300
 301
 302         if infile_name:
 303                 infile = open (infile_name,'r')
 304         else:
 305                 infile = sys.stdin
 306
 307         if outfile_name:
 308                 outfile =  open (outfile_name, 'w')
 309         else:
 310                 outfile = sys.stdout
 311
 312
 313         do_conversion (infile, from_version, outfile, to_version)
 314
 315         if infile_name:
 316                 infile.close ()
 317
 318         if outfile_name:
 319                 outfile.close ()
 320
 321         if __main__.edit:
 322                 os.rename (infile_name, infile_name + '~')
 323                 os.rename (infile_name + '.NEW', infile_name)
 324
 325         sys.stderr.write ('\n')
 326         sys.stderr.flush ()
 327
 328 edit = 0
 329 to_version = ()
 330 from_version = ()
 331 outfile_name = ''
 332
 333 identify ()
 334 (options, files) = getopt.getopt (
 335         sys.argv[1:], 'f:t:seh', ['show-rules', 'help', 'edit', 'from', 'to'])
 336
 337 for opt in options:
 338         o = opt[0]
 339         a = opt[1]
 340         if o== '--help' or o == '-h':
 341                 help ()
 342         elif o== '--from' or o=='-f':
 343                 from_version = str_to_tuple (a)
 344         elif o== '--to' or o=='-t':
 345                 to_version = str_to_tuple (a)
 346         elif o== '--edit' or o == '-e':
 347                 edit = 1
 348         elif o== '--show-rules' or o == '-s':
 349                 show_rules (sys.stdout)
 350                 sys.exit(0)
 351         else:
 352                 print o
 353                 raise getopt.error
 354
 355
 356 for f in files:
 357         if f == '-':
 358                 f = ''
 359         try:
 360                 do_one_file (f)
 361         except UnknownVersion:
 362                 pass