scripts/lilypond-book.py

   1 #!@TARGET_PYTHON@
   2 # -*- coding: utf-8 -*-
   3
   4 # This file is part of LilyPond, the GNU music typesetter.
   5 #
   6 # LilyPond is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # LilyPond is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 '''
  20 Example usage:
  21
  22 test:
  23   lilypond-book --filter="tr '[a-z]' '[A-Z]'" BOOK
  24
  25 convert-ly on book:
  26   lilypond-book --filter="convert-ly --no-version --from=1.6.11 -" BOOK
  27
  28 classic lilypond-book:
  29   lilypond-book --process="lilypond" BOOK.tely
  30
  31 TODO:
  32
  33   *  ly-options: intertext?
  34   *  --line-width?
  35   *  eps in latex / eps by lilypond -b ps?
  36   *  check latex parameters, twocolumn, multicolumn?
  37   *  use --png --ps --pdf for making images?
  38
  39   *  Converting from lilypond-book source, substitute:
  40    @mbinclude foo.itely -> @include foo.itely
  41    \mbinput -> \input
  42
  43 '''
  44
  45
  46 # TODO: Better solve the global_options copying to the snippets...
  47
  48 import glob
  49 import os
  50 import re
  51 import stat
  52 import sys
  53 import tempfile
  54 import imp
  55 from optparse import OptionGroup
  56
  57
  58 """
  59 @relocate-preamble@
  60 """
  61
  62 import lilylib as ly
  63 import fontextract
  64 import langdefs
  65 global _;_=ly._
  66
  67 import book_base as BookBase
  68 import book_snippets as BookSnippet
  69 import book_html
  70 import book_docbook
  71 import book_texinfo
  72 import book_latex
  73
  74 ly.require_python_version ()
  75
  76 original_dir = os.getcwd ()
  77 backend = 'ps'
  78
  79 help_summary = (
  80 _ ("Process LilyPond snippets in hybrid HTML, LaTeX, texinfo or DocBook document.")
  81 + '\n\n'
  82 + _ ("Examples:")
  83 + '''
  84  $ lilypond-book --filter="tr '[a-z]' '[A-Z]'" %(BOOK)s
  85  $ lilypond-book -F "convert-ly --no-version --from=2.0.0 -" %(BOOK)s
  86  $ lilypond-book --process='lilypond -I include' %(BOOK)s
  87 ''' % {'BOOK': _ ("BOOK")})
  88
  89 authors = ('Jan Nieuwenhuizen <janneke@gnu.org>',
  90            'Han-Wen Nienhuys <hanwen@xs4all.nl>')
  91
  92 ################################################################
  93 def exit (i):
  94     if global_options.verbose:
  95         raise Exception (_ ('Exiting (%d)...') % i)
  96     else:
  97         sys.exit (i)
  98
  99 def identify ():
 100     ly.encoded_write (sys.stdout, '%s (GNU LilyPond) %s\n' % (ly.program_name, ly.program_version))
 101
 102 progress = ly.progress
 103 warning = ly.warning
 104 error = ly.error
 105
 106
 107 def warranty ():
 108     identify ()
 109     ly.encoded_write (sys.stdout, '''
 110 %s
 111
 112   %s
 113
 114 %s
 115 %s
 116 ''' % ( _ ('Copyright (c) %s by') % '2001--2010',
 117         '\n  '.join (authors),
 118         _ ("Distributed under terms of the GNU General Public License."),
 119         _ ("It comes with NO WARRANTY.")))
 120
 121 def get_option_parser ():
 122     p = ly.get_option_parser (usage=_ ("%s [OPTION]... FILE") % 'lilypond-book',
 123                               description=help_summary,
 124                               conflict_handler="resolve",
 125                               add_help_option=False)
 126
 127     p.add_option ('-F', '--filter', metavar=_ ("FILTER"),
 128                   action="store",
 129                   dest="filter_cmd",
 130                   help=_ ("pipe snippets through FILTER [default: `convert-ly -n -']"),
 131                   default=None)
 132
 133     p.add_option ('-f', '--format',
 134                   help=_ ("use output format FORMAT (texi [default], texi-html, latex, html, docbook)"),
 135                   metavar=_ ("FORMAT"),
 136                   action='store')
 137
 138     p.add_option("-h", "--help",
 139                  action="help",
 140                  help=_ ("show this help and exit"))
 141
 142     p.add_option ("-I", '--include', help=_ ("add DIR to include path"),
 143                   metavar=_ ("DIR"),
 144                   action='append', dest='include_path',
 145                   default=[os.path.abspath (os.getcwd ())])
 146
 147     p.add_option ('--info-images-dir',
 148                   help=_ ("format Texinfo output so that Info will "
 149                           "look for images of music in DIR"),
 150                   metavar=_ ("DIR"),
 151                   action='store', dest='info_images_dir',
 152                   default='')
 153
 154     p.add_option ('--left-padding',
 155                   metavar=_ ("PAD"),
 156                   dest="padding_mm",
 157                   help=_ ("pad left side of music to align music inspite of uneven bar numbers (in mm)"),
 158                   type="float",
 159                   default=3.0)
 160
 161     p.add_option ('--lily-output-dir',
 162                   help=_ ("write lily-XXX files to DIR, link into --output dir"),
 163                   metavar=_ ("DIR"),
 164                   action='store', dest='lily_output_dir',
 165                   default=None)
 166
 167     p.add_option ('--load-custom-package', help=_ ("Load the additional python PACKAGE (containing e.g. a custom output format)"),
 168                   metavar=_ ("PACKAGE"),
 169                   action='append', dest='custom_packages',
 170                   default=[])
 171
 172     p.add_option ("-o", '--output', help=_ ("write output to DIR"),
 173                   metavar=_ ("DIR"),
 174                   action='store', dest='output_dir',
 175                   default='')
 176
 177     p.add_option ('-P', '--process', metavar=_ ("COMMAND"),
 178                   help = _ ("process ly_files using COMMAND FILE..."),
 179                   action='store',
 180                   dest='process_cmd', default='')
 181
 182     p.add_option ('--skip-lily-check',
 183                   help=_ ("do not fail if no lilypond output is found"),
 184                   metavar=_ ("DIR"),
 185                   action='store_true', dest='skip_lilypond_run',
 186                   default=False)
 187
 188     p.add_option ('--skip-png-check',
 189                   help=_ ("do not fail if no PNG images are found for EPS files"),
 190                   metavar=_ ("DIR"),
 191                   action='store_true', dest='skip_png_check',
 192                   default=False)
 193
 194     p.add_option ('--use-source-file-names',
 195                   help=_ ("write snippet output files with the same base name as their source file"),
 196                   action='store_true', dest='use_source_file_names',
 197                   default=False)
 198
 199     p.add_option ('-V', '--verbose', help=_ ("be verbose"),
 200                   action="store_true",
 201                   default=False,
 202                   dest="verbose")
 203
 204     p.version = "@TOPLEVEL_VERSION@"
 205     p.add_option("--version",
 206                  action="version",
 207                  help=_ ("show version number and exit"))
 208
 209     p.add_option ('-w', '--warranty',
 210                   help=_ ("show warranty and copyright"),
 211                   action='store_true')
 212
 213     group = OptionGroup (p, "Options only for the latex and texinfo backends")
 214     group.add_option ('--latex-program',
 215               help=_ ("run executable PROG instead of latex, or in\n\
 216 case --pdf option is set instead of pdflatex"),
 217               metavar=_ ("PROG"),
 218               action='store', dest='latex_program',
 219               default='latex')
 220     group.add_option ('--pdf',
 221               action="store_true",
 222               dest="create_pdf",
 223               help=_ ("create PDF files for use with PDFTeX"),
 224               default=False)
 225     p.add_option_group (group)
 226
 227     p.add_option_group ('',
 228                         description=(
 229         _ ("Report bugs via %s")
 230         % ' http://post.gmane.org/post.php'
 231         '?group=gmane.comp.gnu.lilypond.bugs') + '\n')
 232
 233
 234     for formatter in BookBase.all_formats:
 235       formatter.add_options (p)
 236
 237     return p
 238
 239 lilypond_binary = os.path.join ('@bindir@', 'lilypond')
 240
 241 # If we are called with full path, try to use lilypond binary
 242 # installed in the same path; this is needed in GUB binaries, where
 243 # @bindir is always different from the installed binary path.
 244 if 'bindir' in globals () and bindir:
 245     lilypond_binary = os.path.join (bindir, 'lilypond')
 246
 247 # Only use installed binary when we are installed too.
 248 if '@bindir@' == ('@' + 'bindir@') or not os.path.exists (lilypond_binary):
 249     lilypond_binary = 'lilypond'
 250
 251 global_options = None
 252
 253
 254
 255
 256 def find_linestarts (s):
 257     nls = [0]
 258     start = 0
 259     end = len (s)
 260     while 1:
 261         i = s.find ('\n', start)
 262         if i < 0:
 263             break
 264
 265         i = i + 1
 266         nls.append (i)
 267         start = i
 268
 269     nls.append (len (s))
 270     return nls
 271
 272 def find_toplevel_snippets (input_string, formatter):
 273     res = {}
 274     types = formatter.supported_snippet_types ()
 275     for t in types:
 276         res[t] = re.compile (formatter.snippet_regexp (t))
 277
 278     snippets = []
 279     index = 0
 280     found = dict ([(t, None) for t in types])
 281
 282     line_starts = find_linestarts (input_string)
 283     line_start_idx = 0
 284     # We want to search for multiple regexes, without searching
 285     # the string multiple times for one regex.
 286     # Hence, we use earlier results to limit the string portion
 287     # where we search.
 288     # Since every part of the string is traversed at most once for
 289     # every type of snippet, this is linear.
 290     while 1:
 291         first = None
 292         endex = 1 << 30
 293         for type in types:
 294             if not found[type] or found[type][0] < index:
 295                 found[type] = None
 296
 297                 m = res[type].search (input_string[index:endex])
 298                 if not m:
 299                     continue
 300
 301                 klass = global_options.formatter.snippet_class (type)
 302
 303                 start = index + m.start ('match')
 304                 line_number = line_start_idx
 305                 while (line_starts[line_number] < start):
 306                     line_number += 1
 307
 308                 line_number += 1
 309                 snip = klass (type, m, formatter, line_number, global_options)
 310
 311                 found[type] = (start, snip)
 312
 313             if (found[type]
 314                 and (not first
 315                      or found[type][0] < found[first][0])):
 316                 first = type
 317
 318                 # FIXME.
 319
 320                 # Limiting the search space is a cute
 321                 # idea, but this *requires* to search
 322                 # for possible containing blocks
 323                 # first, at least as long as we do not
 324                 # search for the start of blocks, but
 325                 # always/directly for the entire
 326                 # @block ... @end block.
 327
 328                 endex = found[first][0]
 329
 330         if not first:
 331             snippets.append (BookSnippet.Substring (input_string, index, len (input_string), line_start_idx))
 332             break
 333
 334         while (start > line_starts[line_start_idx+1]):
 335             line_start_idx += 1
 336
 337         (start, snip) = found[first]
 338         snippets.append (BookSnippet.Substring (input_string, index, start, line_start_idx + 1))
 339         snippets.append (snip)
 340         found[first] = None
 341         index = start + len (snip.match.group ('match'))
 342
 343     return snippets
 344
 345 def system_in_directory (cmd, directory):
 346     """Execute a command in a different directory.
 347
 348     Because of win32 compatibility, we can't simply use subprocess.
 349     """
 350
 351     current = os.getcwd()
 352     os.chdir (directory)
 353     ly.system(cmd, be_verbose=global_options.verbose,
 354               progress_p=1)
 355     os.chdir (current)
 356
 357
 358 def process_snippets (cmd, snippets,
 359                       formatter, lily_output_dir):
 360     """Run cmd on all of the .ly files from snippets."""
 361
 362     if not snippets:
 363         return
 364
 365     cmd = formatter.adjust_snippet_command (cmd)
 366
 367     checksum = snippet_list_checksum (snippets)
 368     contents = '\n'.join (['snippet-map-%d.ly' % checksum]
 369                           + list (set ([snip.basename() + '.ly' for snip in snippets])))
 370     name = os.path.join (lily_output_dir,
 371                          'snippet-names-%d.ly' % checksum)
 372     file (name, 'wb').write (contents)
 373
 374     system_in_directory (' '.join ([cmd, ly.mkarg (name)]),
 375                          lily_output_dir)
 376
 377
 378 def snippet_list_checksum (snippets):
 379     return hash (' '.join([l.basename() for l in snippets]))
 380
 381 def write_file_map (lys, name):
 382     snippet_map = file (os.path.join (
 383         global_options.lily_output_dir,
 384         'snippet-map-%d.ly' % snippet_list_checksum (lys)), 'w')
 385
 386     snippet_map.write ("""
 387 #(define version-seen #t)
 388 #(define output-empty-score-list #f)
 389 #(ly:add-file-name-alist '(%s
 390     ))\n
 391 """ % '\n'.join(['("%s.ly" . "%s")\n' % (ly.basename (), name)
 392                  for ly in lys]))
 393
 394 def split_output_files(directory):
 395     """Returns directory entries in DIRECTORY/XX/ , where XX are hex digits.
 396
 397     Return value is a set of strings.
 398     """
 399     files = []
 400     for subdir in glob.glob (os.path.join (directory, '[a-f0-9][a-f0-9]')):
 401         base_subdir = os.path.split (subdir)[1]
 402         sub_files = [os.path.join (base_subdir, name)
 403                      for name in os.listdir (subdir)]
 404         files += sub_files
 405     return set (files)
 406
 407 def do_process_cmd (chunks, input_name, options):
 408     snippets = [c for c in chunks if isinstance (c, BookSnippet.LilypondSnippet)]
 409
 410     output_files = split_output_files (options.lily_output_dir)
 411     outdated = [c for c in snippets if c.is_outdated (options.lily_output_dir, output_files)]
 412
 413     write_file_map (outdated, input_name)
 414     progress (_ ("Writing snippets..."))
 415     for snippet in outdated:
 416         snippet.write_ly()
 417     progress ('\n')
 418
 419     if outdated:
 420         progress (_ ("Processing..."))
 421         progress ('\n')
 422         process_snippets (options.process_cmd, outdated,
 423                           options.formatter, options.lily_output_dir)
 424
 425     else:
 426         progress (_ ("All snippets are up to date..."))
 427
 428     if options.lily_output_dir != options.output_dir:
 429         output_files = split_output_files (options.lily_output_dir)
 430         for snippet in snippets:
 431             snippet.link_all_output_files (options.lily_output_dir,
 432                                            output_files,
 433                                            options.output_dir)
 434
 435     progress ('\n')
 436
 437
 438 ###
 439 # Format guessing data
 440
 441 def guess_format (input_filename):
 442     format = None
 443     e = os.path.splitext (input_filename)[1]
 444     for formatter in BookBase.all_formats:
 445       if formatter.can_handle_extension (e):
 446         return formatter
 447     error (_ ("cannot determine format for: %s" % input_filename))
 448     exit (1)
 449
 450 def write_if_updated (file_name, lines):
 451     try:
 452         f = file (file_name)
 453         oldstr = f.read ()
 454         new_str = ''.join (lines)
 455         if oldstr == new_str:
 456             progress (_ ("%s is up to date.") % file_name)
 457             progress ('\n')
 458
 459             # this prevents make from always rerunning lilypond-book:
 460             # output file must be touched in order to be up to date
 461             os.utime (file_name, None)
 462             return
 463     except:
 464         pass
 465
 466     output_dir = os.path.dirname (file_name)
 467     if not os.path.exists (output_dir):
 468         os.makedirs (output_dir)
 469
 470     progress (_ ("Writing `%s'...") % file_name)
 471     file (file_name, 'w').writelines (lines)
 472     progress ('\n')
 473
 474
 475 def note_input_file (name, inputs=[]):
 476     ## hack: inputs is mutable!
 477     inputs.append (name)
 478     return inputs
 479
 480 def samefile (f1, f2):
 481     try:
 482         return os.path.samefile (f1, f2)
 483     except AttributeError:                # Windoze
 484         f1 = re.sub ("//*", "/", f1)
 485         f2 = re.sub ("//*", "/", f2)
 486         return f1 == f2
 487
 488 def do_file (input_filename, included=False):
 489     # Ugh.
 490     if not input_filename or input_filename == '-':
 491         in_handle = sys.stdin
 492         input_fullname = '<stdin>'
 493     else:
 494         if os.path.exists (input_filename):
 495             input_fullname = input_filename
 496         else:
 497             input_fullname = global_options.formatter.input_fullname (input_filename)
 498         # Normalize path to absolute path, since we will change cwd to the output dir!
 499         input_fullname = os.path.abspath (input_fullname)
 500
 501         note_input_file (input_fullname)
 502         in_handle = file (input_fullname)
 503
 504     if input_filename == '-':
 505         input_base = 'stdin'
 506     elif included:
 507         input_base = os.path.splitext (input_filename)[0]
 508     else:
 509         input_base = os.path.basename (
 510             os.path.splitext (input_filename)[0])
 511
 512     # don't complain when global_options.output_dir is existing
 513     if not global_options.output_dir:
 514         global_options.output_dir = os.getcwd()
 515     else:
 516         global_options.output_dir = os.path.abspath(global_options.output_dir)
 517
 518         if not os.path.isdir (global_options.output_dir):
 519             os.mkdir (global_options.output_dir, 0777)
 520         os.chdir (global_options.output_dir)
 521
 522     output_filename = os.path.join(global_options.output_dir,
 523                                    input_base + global_options.formatter.default_extension)
 524     if (os.path.exists (input_filename)
 525         and os.path.exists (output_filename)
 526         and samefile (output_filename, input_fullname)):
 527      error (
 528      _ ("Output would overwrite input file; use --output."))
 529      exit (2)
 530
 531     try:
 532         progress (_ ("Reading %s...") % input_fullname)
 533         source = in_handle.read ()
 534         progress ('\n')
 535
 536         if not included:
 537             global_options.formatter.init_default_snippet_options (source)
 538
 539
 540         progress (_ ("Dissecting..."))
 541         chunks = find_toplevel_snippets (source, global_options.formatter)
 542
 543         # Let the formatter modify the chunks before further processing
 544         chunks = global_options.formatter.process_chunks (chunks)
 545         progress ('\n')
 546
 547         if global_options.filter_cmd:
 548             write_if_updated (output_filename,
 549                      [c.filter_text () for c in chunks])
 550         elif global_options.process_cmd:
 551             do_process_cmd (chunks, input_fullname, global_options)
 552             progress (_ ("Compiling %s...") % output_filename)
 553             progress ('\n')
 554             write_if_updated (output_filename,
 555                      [s.replacement_text ()
 556                      for s in chunks])
 557
 558         def process_include (snippet):
 559             os.chdir (original_dir)
 560             name = snippet.substring ('filename')
 561             progress (_ ("Processing include: %s") % name)
 562             progress ('\n')
 563             return do_file (name, included=True)
 564
 565         include_chunks = map (process_include,
 566                               filter (lambda x: isinstance (x, BookSnippet.IncludeSnippet),
 567                                       chunks))
 568
 569         return chunks + reduce (lambda x, y: x + y, include_chunks, [])
 570
 571     except BookSnippet.CompileError:
 572         os.chdir (original_dir)
 573         progress (_ ("Removing `%s'") % output_filename)
 574         progress ('\n')
 575         raise BookSnippet.CompileError
 576
 577 def do_options ():
 578     global global_options
 579
 580     opt_parser = get_option_parser()
 581     (global_options, args) = opt_parser.parse_args ()
 582
 583     global_options.information = {'program_version': ly.program_version, 'program_name': ly.program_name }
 584
 585     global_options.include_path =  map (os.path.abspath, global_options.include_path)
 586
 587     # Load the python packages (containing e.g. custom formatter classes)
 588     # passed on the command line
 589     nr = 0
 590     for i in global_options.custom_packages:
 591         nr += 1
 592         print imp.load_source ("book_custom_package%s" % nr, i)
 593
 594
 595     if global_options.warranty:
 596         warranty ()
 597         exit (0)
 598     if not args or len (args) > 1:
 599         opt_parser.print_help ()
 600         exit (2)
 601
 602     return args
 603
 604 def main ():
 605     # FIXME: 85 lines of `main' macramee??
 606     files = do_options ()
 607
 608     basename = os.path.splitext (files[0])[0]
 609     basename = os.path.split (basename)[1]
 610
 611     if global_options.format:
 612       # Retrieve the formatter for the given format
 613       for formatter in BookBase.all_formats:
 614         if formatter.can_handle_format (global_options.format):
 615           global_options.formatter = formatter
 616     else:
 617         global_options.formatter = guess_format (files[0])
 618         global_options.format = global_options.formatter.format
 619
 620     # make the global options available to the formatters:
 621     global_options.formatter.global_options = global_options
 622     formats = global_options.formatter.image_formats
 623
 624     if global_options.process_cmd == '':
 625         global_options.process_cmd = (lilypond_binary
 626                                       + ' --formats=%s -dbackend=eps ' % formats)
 627
 628     if global_options.process_cmd:
 629         includes = global_options.include_path
 630         if global_options.lily_output_dir:
 631             # This must be first, so lilypond prefers to read .ly
 632             # files in the other lybookdb dir.
 633             includes = [os.path.abspath(global_options.lily_output_dir)] + includes
 634         global_options.process_cmd += ' '.join ([' -I %s' % ly.mkarg (p)
 635                                                  for p in includes])
 636
 637     global_options.formatter.process_options (global_options)
 638
 639     if global_options.verbose:
 640         global_options.process_cmd += " --verbose "
 641
 642     if global_options.padding_mm:
 643         global_options.process_cmd += " -deps-box-padding=%f " % global_options.padding_mm
 644
 645     global_options.process_cmd += " -dread-file-list -dno-strip-output-dir"
 646
 647     if global_options.lily_output_dir:
 648         global_options.lily_output_dir = os.path.abspath(global_options.lily_output_dir)
 649         if not os.path.isdir (global_options.lily_output_dir):
 650             os.makedirs (global_options.lily_output_dir)
 651     else:
 652         global_options.lily_output_dir = os.path.abspath(global_options.output_dir)
 653
 654
 655     identify ()
 656     try:
 657         chunks = do_file (files[0])
 658     except BookSnippet.CompileError:
 659         exit (1)
 660
 661     inputs = note_input_file ('')
 662     inputs.pop ()
 663
 664     base_file_name = os.path.splitext (os.path.basename (files[0]))[0]
 665     dep_file = os.path.join (global_options.output_dir, base_file_name + '.dep')
 666     final_output_file = os.path.join (global_options.output_dir,
 667                      base_file_name
 668                      + '.%s' % global_options.format)
 669
 670     os.chdir (original_dir)
 671     file (dep_file, 'w').write ('%s: %s'
 672                                 % (final_output_file, ' '.join (inputs)))
 673
 674 if __name__ == '__main__':
 675     main ()