scripts/lilypond-book.py

   1 #!@PYTHON@
   2
   3 '''
   4 Example usage:
   5
   6 test:
   7      lilypond-book --filter="tr '[a-z]' '[A-Z]'" BOOK
   8
   9 convert-ly on book:
  10      lilypond-book --filter="convert-ly --no-version --from=1.6.11 -" BOOK
  11
  12 classic lilypond-book:
  13      lilypond-book --process="lilypond" BOOK.tely
  14
  15 TODO:
  16
  17     *  this script is too complex. Modularize.
  18
  19     *  ly-options: intertext?
  20     *  --linewidth?
  21     *  eps in latex / eps by lilypond -b ps?
  22     *  check latex parameters, twocolumn, multicolumn?
  23     *  use --png --ps --pdf for making images?
  24
  25     *  Converting from lilypond-book source, substitute:
  26        @mbinclude foo.itely -> @include foo.itely
  27        \mbinput -> \input
  28
  29 '''
  30
  31 import __main__
  32 import glob
  33 import stat
  34 import string
  35 import tempfile
  36
  37 # Users of python modules should include this snippet
  38 # and customize variables below.
  39
  40 # We'll suffer this path initialization stuff as long as we don't install
  41 # our python packages in <prefix>/lib/pythonX.Y
  42
  43 # If set, LILYPONDPREFIX must take prevalence.
  44 # if datadir is not set, we're doing a build and LILYPONDPREFIX.
  45 import getopt, os, sys
  46 datadir = '@local_lilypond_datadir@'
  47 if not os.path.isdir (datadir):
  48         datadir = '@lilypond_datadir@'
  49 if os.environ.has_key ('LILYPONDPREFIX'):
  50         datadir = os.environ['LILYPONDPREFIX']
  51         while datadir[-1] == os.sep:
  52                 datadir= datadir[:-1]
  53
  54 sys.path.insert (0, os.path.join (datadir, 'python'))
  55
  56 # Customize these.
  57 #if __name__ == '__main__':
  58
  59 import lilylib as ly
  60 import fontextract
  61 global _;_=ly._
  62 global re;re = ly.re
  63
  64 # Lilylib globals.
  65 program_version = '@TOPLEVEL_VERSION@'
  66 program_name = os.path.basename (sys.argv[0])
  67 verbose_p = 0
  68 pseudo_filter_p = 0
  69 original_dir = os.getcwd ()
  70 backend = 'ps'
  71
  72 help_summary = _ (
  73 '''Process LilyPond snippets in hybrid HTML, LaTeX, or texinfo document.
  74 Example usage:
  75
  76    lilypond-book --filter="tr '[a-z]' '[A-Z]'" BOOK
  77    lilypond-book --filter="convert-ly --no-version --from=2.0.0 -" BOOK
  78    lilypond-book --process='lilypond -I include' BOOK
  79 ''')
  80
  81 copyright = ('Jan Nieuwenhuizen <janneke@gnu.org>',
  82              'Han-Wen Nienhuys <hanwen@cs.uu.nl>')
  83
  84 option_definitions = [
  85         (_ ("FMT"), 'f', 'format',
  86           _ ('''use output format FMT (texi [default], texi-html,
  87                 latex, html)''')),
  88         (_ ("FILTER"), 'F', 'filter',
  89           _ ("pipe snippets through FILTER [convert-ly -n -]")),
  90         ('', 'h', 'help',
  91           _ ("print this help")),
  92         (_ ("DIR"), 'I', 'include',
  93           _ ("add DIR to include path")),
  94         (_ ("DIR"), 'o', 'output',
  95           _ ("write output to DIR")),
  96         (_ ("COMMAND"), 'P', 'process',
  97           _ ("process ly_files using COMMAND FILE...")),
  98         ('', '', 'psfonts',
  99          _ ('''extract all PostScript fonts into INPUT.psfonts for LaTeX
 100          must use this with dvips -h INPUT.psfonts''')),
 101         ('', 'V', 'verbose',
 102           _ ("be verbose")),
 103         ('', 'v', 'version',
 104           _ ("print version information")),
 105         ('', 'w', 'warranty',
 106           _ ("show warranty and copyright")),
 107 ]
 108
 109 include_path = [os.path.abspath (os.getcwd ())]
 110 lilypond_binary = os.path.join ('@bindir@', 'lilypond')
 111
 112 # Only use installed binary when we are installed too.
 113 if '@bindir@' == ('@' + 'bindir@') or not os.path.exists (lilypond_binary):
 114         lilypond_binary = 'lilypond'
 115
 116 psfonts_p = 0
 117 use_hash_p = 1
 118 format = 0
 119 output_name = ''
 120 filter_cmd = 0
 121 process_cmd = ''
 122 default_ly_options = { 'alt': "[image of music]" }
 123
 124 #
 125 # Is this pythonic?  Personally, I find this rather #define-nesque. --hwn
 126 #
 127 AFTER = 'after'
 128 BEFORE = 'before'
 129 EXAMPLEINDENT = 'exampleindent'
 130 FILTER = 'filter'
 131 FRAGMENT = 'fragment'
 132 HTML = 'html'
 133 INDENT = 'indent'
 134 LATEX = 'latex'
 135 LAYOUT = 'layout'
 136 LINEWIDTH = 'linewidth'
 137 NOFRAGMENT = 'nofragment'
 138 NOINDENT = 'noindent'
 139 NOQUOTE = 'noquote'
 140 NOTES = 'body'
 141 NOTIME = 'notime'
 142 OUTPUT = 'output'
 143 OUTPUTIMAGE = 'outputimage'
 144 PACKED = 'packed'
 145 PAPER = 'paper'
 146 PREAMBLE = 'preamble'
 147 PRINTFILENAME = 'printfilename'
 148 QUOTE = 'quote'
 149 RAGGEDRIGHT = 'raggedright'
 150 RELATIVE = 'relative'
 151 STAFFSIZE = 'staffsize'
 152 TEXIDOC = 'texidoc'
 153 TEXINFO = 'texinfo'
 154 VERBATIM = 'verbatim'
 155 FONTLOAD = 'fontload'
 156 FILENAME = 'filename'
 157 ALT = 'alt'
 158
 159
 160 # NOTIME has no opposite so it isn't part of this dictionary.
 161 # NOQUOTE is used internally only.
 162 no_options = {
 163         NOFRAGMENT: FRAGMENT,
 164         NOINDENT: INDENT,
 165 }
 166
 167
 168 # Recognize special sequences in the input.
 169 #
 170 #   (?P<name>regex) -- Assign result of REGEX to NAME.
 171 #   *? -- Match non-greedily.
 172 #   (?m) -- Multiline regex: Make ^ and $ match at each line.
 173 #   (?s) -- Make the dot match all characters including newline.
 174 #   (?x) -- Ignore whitespace in patterns.
 175 no_match = 'a\ba'
 176 snippet_res = {
 177         ##
 178         HTML: {
 179                 'include':
 180                   no_match,
 181
 182                 'lilypond':
 183                   r'''(?mx)
 184                     (?P<match>
 185                     <lilypond
 186                       (\s*(?P<options>.*?)\s*:)?\s*
 187                       (?P<code>.*?)
 188                     />)''',
 189
 190                 'lilypond_block':
 191                   r'''(?msx)
 192                     (?P<match>
 193                     <lilypond
 194                       \s*(?P<options>.*?)\s*
 195                     >
 196                     (?P<code>.*?)
 197                     </lilypond>)''',
 198
 199                 'lilypond_file':
 200                   r'''(?mx)
 201                     (?P<match>
 202                     <lilypondfile
 203                       \s*(?P<options>.*?)\s*
 204                     >
 205                     \s*(?P<filename>.*?)\s*
 206                     </lilypondfile>)''',
 207
 208                 'multiline_comment':
 209                   r'''(?smx)
 210                     (?P<match>
 211                     \s*(?!@c\s+)
 212                     (?P<code><!--\s.*?!-->)
 213                     \s)''',
 214
 215                 'singleline_comment':
 216                   no_match,
 217
 218                 'verb':
 219                   r'''(?x)
 220                     (?P<match>
 221                       (?P<code><pre>.*?</pre>))''',
 222
 223                 'verbatim':
 224                   r'''(?x)
 225                     (?s)
 226                     (?P<match>
 227                       (?P<code><pre>\s.*?</pre>\s))''',
 228         },
 229
 230         ##
 231         LATEX: {
 232                 'include':
 233                   r'''(?smx)
 234                     ^[^%\n]*?
 235                     (?P<match>
 236                     \\input\s*{
 237                       (?P<filename>\S+?)
 238                     })''',
 239
 240                 'lilypond':
 241                   r'''(?smx)
 242                     ^[^%\n]*?
 243                     (?P<match>
 244                     \\lilypond\s*(
 245                     \[
 246                       \s*(?P<options>.*?)\s*
 247                     \])?\s*{
 248                       (?P<code>.*?)
 249                     })''',
 250
 251                 'lilypond_block':
 252                   r'''(?smx)
 253                     ^[^%\n]*?
 254                     (?P<match>
 255                     \\begin\s*(
 256                     \[
 257                       \s*(?P<options>.*?)\s*
 258                     \])?\s*{lilypond}
 259                       (?P<code>.*?)
 260                     ^[^%\n]*?
 261                     \\end\s*{lilypond})''',
 262
 263                 'lilypond_file':
 264                   r'''(?smx)
 265                     ^[^%\n]*?
 266                     (?P<match>
 267                     \\lilypondfile\s*(
 268                     \[
 269                       \s*(?P<options>.*?)\s*
 270                     \])?\s*\{
 271                       (?P<filename>\S+?)
 272                     })''',
 273
 274                 'multiline_comment':
 275                   no_match,
 276
 277                 'singleline_comment':
 278                   r'''(?mx)
 279                     ^.*?
 280                     (?P<match>
 281                       (?P<code>
 282                       %.*$\n+))''',
 283
 284                 'verb':
 285                   r'''(?mx)
 286                     ^[^%\n]*?
 287                     (?P<match>
 288                       (?P<code>
 289                       \\verb(?P<del>.)
 290                         .*?
 291                       (?P=del)))''',
 292
 293                 'verbatim':
 294                   r'''(?msx)
 295                     ^[^%\n]*?
 296                     (?P<match>
 297                       (?P<code>
 298                       \\begin\s*{verbatim}
 299                         .*?
 300                       \\end\s*{verbatim}))''',
 301         },
 302
 303         ##
 304         TEXINFO: {
 305                 'include':
 306                   r'''(?mx)
 307                     ^(?P<match>
 308                     @include\s+
 309                       (?P<filename>\S+))''',
 310
 311                 'lilypond':
 312                   r'''(?smx)
 313                     ^[^\n]*?(?!@c\s+)[^\n]*?
 314                     (?P<match>
 315                     @lilypond\s*(
 316                     \[
 317                       \s*(?P<options>.*?)\s*
 318                     \])?\s*{
 319                       (?P<code>.*?)
 320                     })''',
 321
 322                 'lilypond_block':
 323                   r'''(?msx)
 324                     ^(?P<match>
 325                     @lilypond\s*(
 326                     \[
 327                       \s*(?P<options>.*?)\s*
 328                     \])?\s+?
 329                     ^(?P<code>.*?)
 330                     ^@end\s+lilypond)\s''',
 331
 332                 'lilypond_file':
 333                   r'''(?mx)
 334                     ^(?P<match>
 335                     @lilypondfile\s*(
 336                     \[
 337                       \s*(?P<options>.*?)\s*
 338                     \])?\s*{
 339                       (?P<filename>\S+)
 340                     })''',
 341
 342                 'multiline_comment':
 343                   r'''(?smx)
 344                     ^(?P<match>
 345                       (?P<code>
 346                       @ignore\s
 347                         .*?
 348                       @end\s+ignore))\s''',
 349
 350                 'singleline_comment':
 351                   r'''(?mx)
 352                     ^.*
 353                     (?P<match>
 354                       (?P<code>
 355                       @c([ \t][^\n]*|)\n))''',
 356
 357         # Don't do this: It interferes with @code{@{}.
 358         #       'verb': r'''(?P<code>@code{.*?})''',
 359
 360                 'verbatim':
 361                   r'''(?sx)
 362                     (?P<match>
 363                       (?P<code>
 364                       @example
 365                         \s.*?
 366                       @end\s+example\s))''',
 367         },
 368 }
 369
 370 format_res = {
 371         HTML: {
 372                 'intertext': r',?\s*intertext=\".*?\"',
 373                 'option_sep': '\s*',
 374         },
 375
 376         LATEX: {
 377                 'intertext': r',?\s*intertext=\".*?\"',
 378                 'option_sep': '\s*,\s*',
 379         },
 380
 381         TEXINFO: {
 382                 'intertext': r',?\s*intertext=\".*?\"',
 383                 'option_sep': '\s*,\s*',
 384         },
 385 }
 386
 387 # Options without a pattern in ly_options.
 388 simple_options = [
 389         EXAMPLEINDENT,
 390         FRAGMENT,
 391         NOFRAGMENT,
 392         NOINDENT,
 393         PRINTFILENAME,
 394         TEXIDOC,
 395         VERBATIM,
 396         FONTLOAD,
 397         FILENAME,
 398         ALT
 399 ]
 400
 401 ly_options = {
 402         ##
 403         NOTES: {
 404                 RELATIVE: r'''\relative c%(relative_quotes)s''',
 405         },
 406
 407         ##
 408         PAPER: {
 409                 INDENT: r'''indent = %(indent)s''',
 410
 411                 LINEWIDTH: r'''linewidth = %(linewidth)s''',
 412
 413                 QUOTE: r'''linewidth = %(linewidth)s - 2.0 * %(exampleindent)s''',
 414
 415                 RAGGEDRIGHT: r'''raggedright = ##t''',
 416
 417                 PACKED: r'''packed = ##t''',
 418         },
 419
 420         ##
 421         LAYOUT: {
 422                 NOTIME: r'''
 423   \context {
 424     \Score
 425     timing = ##f
 426   }
 427   \context {
 428     \Staff
 429     \remove Time_signature_engraver
 430   }''',
 431         },
 432
 433         ##
 434         PREAMBLE: {
 435                 STAFFSIZE: r'''#(set-global-staff-size %(staffsize)s)''',
 436         },
 437 }
 438
 439 output = {
 440         ##
 441         HTML: {
 442                 FILTER: r'''<lilypond %(options)s>
 443 %(code)s
 444 </lilypond>
 445 ''',
 446
 447                 AFTER: r'''
 448   </a>
 449 </p>''',
 450
 451                 BEFORE: r'''<p>
 452   <a href="%(base)s.ly">''',
 453
 454                 OUTPUT: r'''
 455     <img align="center" valign="center"
 456          border="0" src="%(image)s" alt="%(alt)s">''',
 457
 458                 PRINTFILENAME: '<p><tt><a href="%(base)s.ly">%(filename)s</a></tt></p>',
 459
 460                 QUOTE: r'''<blockquote>
 461 %(str)s
 462 </blockquote>
 463 ''',
 464
 465                 VERBATIM: r'''<pre>
 466 %(verb)s</pre>''',
 467         },
 468
 469         ##
 470         LATEX: {
 471                 OUTPUT: r'''{%%
 472 \parindent 0pt
 473 \catcode`\@=12
 474 \ifx\preLilyPondExample \undefined
 475   \relax
 476 \else
 477   \preLilyPondExample
 478 \fi
 479 \def\lilypondbook{}%%
 480 \input %(base)s-systems.tex
 481 \ifx\postLilyPondExample \undefined
 482   \relax
 483 \else
 484   \postLilyPondExample
 485 \fi
 486 }''',
 487
 488                 PRINTFILENAME: '''\\texttt{%(filename)s}
 489         ''',
 490
 491                 QUOTE: r'''\begin{quotation}
 492 %(str)s
 493 \end{quotation}
 494 ''',
 495
 496                 VERBATIM: r'''\noindent
 497 \begin{verbatim}
 498 %(verb)s\end{verbatim}
 499 ''',
 500
 501                 FILTER: r'''\begin{lilypond}[%(options)s]
 502 %(code)s
 503 \end{lilypond}''',
 504         },
 505
 506         ##
 507         TEXINFO: {
 508                 FILTER: r'''@lilypond[%(options)s]
 509 %(code)s
 510 @lilypond''',
 511
 512                 OUTPUT: r'''
 513 @iftex
 514 @include %(base)s-systems.texi
 515 @end iftex
 516 ''',
 517
 518                 OUTPUTIMAGE: r'''@noindent
 519 @ifinfo
 520 @image{%(base)s,,,%(alt)s,%(ext)s}
 521 @end ifinfo
 522 @html
 523 <p>
 524   <a href="%(base)s.ly">
 525     <img align="center" valign="center"
 526          border="0" src="%(image)s" alt="%(alt)s">
 527   </a>
 528 </p>
 529 @end html
 530 ''',
 531
 532                 PRINTFILENAME: '''@file{%(filename)s}
 533         ''',
 534
 535                 QUOTE: r'''@quotation
 536 %(str)s@end quotation
 537 ''',
 538
 539                 NOQUOTE: r'''@format
 540 %(str)s@end format
 541 ''',
 542
 543                 VERBATIM: r'''@exampleindent 0
 544 @example
 545 %(verb)s@end example
 546 ''',
 547         },
 548 }
 549
 550 PREAMBLE_LY = r'''%%%% Generated by %(program_name)s
 551 %%%% Options: [%(option_string)s]
 552
 553 #(set! toplevel-score-handler print-score-with-defaults)
 554 #(set! toplevel-music-handler (lambda (p m)
 555                                (print-score-with-defaults
 556                                 p (scorify-music m p))))
 557
 558 #(ly:set-option (quote no-point-and-click))
 559 #(define inside-lilypond-book #t)
 560 #(define version-seen? #t)
 561 %(preamble_string)s
 562
 563
 564
 565
 566
 567
 568 %% ****************************************************************
 569 %% Start cut-&-pastable-section
 570 %% ****************************************************************
 571
 572 \paper {
 573   #(define dump-extents #t)
 574   %(font_dump_setting)s
 575   %(paper_string)s
 576 }
 577
 578 \layout {
 579   %(layout_string)s
 580 }
 581 '''
 582
 583 FRAGMENT_LY = r'''
 584 %(notes_string)s
 585 {
 586
 587
 588 %% ****************************************************************
 589 %% ly snippet contents follows:
 590 %% ****************************************************************
 591 %(code)s
 592
 593
 594 %% ****************************************************************
 595 %% end ly snippet
 596 %% ****************************************************************
 597 }
 598 '''
 599
 600 FULL_LY = '''
 601
 602
 603 %% ****************************************************************
 604 %% ly snippet:
 605 %% ****************************************************************
 606 %(code)s
 607
 608
 609 %% ****************************************************************
 610 %% end ly snippet
 611 %% ****************************************************************
 612 '''
 613
 614 texinfo_linewidths = {
 615         '@afourpaper': '160\\mm',
 616         '@afourwide': '6.5\\in',
 617         '@afourlatex': '150\\mm',
 618         '@smallbook': '5\\in',
 619         '@letterpaper': '6\\in',
 620 }
 621
 622 def classic_lilypond_book_compatibility (key, value):
 623         if key == 'singleline' and value == None:
 624                 return (RAGGEDRIGHT, None)
 625
 626         m = re.search ('relative\s*([-0-9])', key)
 627         if m:
 628                 return ('relative', m.group (1))
 629
 630         m = re.match ('([0-9]+)pt', key)
 631         if m:
 632                 return ('staffsize', m.group (1))
 633
 634         if key == 'indent' or key == 'linewidth':
 635                 m = re.match ('([-.0-9]+)(cm|in|mm|pt|staffspace)', value)
 636                 if m:
 637                         f = float (m.group (1))
 638                         return (key, '%f\\%s' % (f, m.group (2)))
 639
 640         return (None, None)
 641
 642 def find_file (name):
 643         for i in include_path:
 644                 full = os.path.join (i, name)
 645                 if os.path.exists (full):
 646                         return full
 647         ly.error (_ ("file not found: %s") % name + '\n')
 648         ly.exit (1)
 649         return ''
 650
 651 def verbatim_html (s):
 652         return re.sub ('>', '&gt;',
 653                        re.sub ('<', '&lt;',
 654                                re.sub ('&', '&amp;', s)))
 655
 656 def verbatim_texinfo (s):
 657         return re.sub ('{', '@{',
 658                        re.sub ('}', '@}',
 659                                re.sub ('@', '@@', s)))
 660
 661 def split_options (option_string):
 662         if option_string:
 663                 if format == HTML:
 664                         options = re.findall('[\w\.-:]+(?:\s*=\s*(?:"[^"]*"|\'[^\']*\'|\S+))?',option_string)
 665                         for i in range(len(options)):
 666                                 options[i] = re.sub('^([^=]+=\s*)(?P<q>["\'])(.*)(?P=q)','\g<1>\g<3>',options[i])
 667                         return options
 668                 else:
 669                         return re.split (format_res[format]['option_sep'],
 670                                          option_string)
 671         return []
 672
 673 def invokes_lilypond ():
 674         return re.search ('^[\'\"0-9A-Za-z/]*lilypond', process_cmd)
 675
 676 def set_default_options (source):
 677         global default_ly_options
 678         if not default_ly_options.has_key (LINEWIDTH):
 679                 if format == LATEX:
 680                         textwidth = get_latex_textwidth (source)
 681                         default_ly_options[LINEWIDTH] = \
 682                           '''%.0f\\pt''' % textwidth
 683                 elif format == TEXINFO:
 684                         for (k, v) in texinfo_linewidths.items ():
 685                                 # FIXME: @layout is usually not in
 686                                 # chunk #0:
 687                                 #
 688                                 #  \input texinfo @c -*-texinfo-*-
 689                                 #
 690                                 # Bluntly search first K items of
 691                                 # source.
 692                                 # s = chunks[0].replacement_text ()
 693                                 if re.search (k, source[:1024]):
 694                                         default_ly_options[LINEWIDTH] = v
 695                                         break
 696
 697 class Chunk:
 698         def replacement_text (self):
 699                 return ''
 700
 701         def filter_text (self):
 702                 return self.replacement_text ()
 703
 704         def ly_is_outdated (self):
 705                 return 0
 706
 707         def png_is_outdated (self):
 708                 return 0
 709
 710 class Substring (Chunk):
 711         def __init__ (self, source, start, end, line_number):
 712                 self.source = source
 713                 self.start = start
 714                 self.end = end
 715                 self.line_number = line_number
 716                 self.override_text = None
 717
 718         def replacement_text (self):
 719                 if self.override_text:
 720                         return self.override_text
 721                 else:
 722                         return self.source[self.start:self.end]
 723
 724 class Snippet (Chunk):
 725         def __init__ (self, type, match, format, line_number):
 726                 self.type = type
 727                 self.match = match
 728                 self.hash = 0
 729                 self.option_dict = {}
 730                 self.format = format
 731                 self.line_number = line_number
 732
 733         def replacement_text (self):
 734                 return self.match.group ('match')
 735
 736         def substring (self, s):
 737                 return self.match.group (s)
 738
 739         def __repr__ (self):
 740                 return `self.__class__` + ' type = ' + self.type
 741
 742 class Include_snippet (Snippet):
 743         def processed_filename (self):
 744                 f = self.substring ('filename')
 745                 return os.path.splitext (f)[0] + format2ext[format]
 746
 747         def replacement_text (self):
 748                 s = self.match.group ('match')
 749                 f = self.substring ('filename')
 750
 751                 return re.sub (f, self.processed_filename (), s)
 752
 753 class Lilypond_snippet (Snippet):
 754         def __init__ (self, type, match, format, line_number):
 755                 Snippet.__init__ (self, type, match, format, line_number)
 756                 os = match.group ('options')
 757                 self.do_options (os, self.type)
 758
 759         def ly (self):
 760                 return self.substring ('code')
 761
 762         def full_ly (self):
 763                 s = self.ly ()
 764                 if s:
 765                         return self.compose_ly (s)
 766                 return ''
 767
 768         def do_options (self, option_string, type):
 769                 self.option_dict = {}
 770
 771                 options = split_options (option_string)
 772
 773                 for i in options:
 774                         if string.find (i, '=') > 0:
 775                                 (key, value) = re.split ('\s*=\s*', i)
 776                                 self.option_dict[key] = value
 777                         else:
 778                                 if i in no_options.keys ():
 779                                         if no_options[i] in self.option_dict.keys ():
 780                                                 del self.option_dict[no_options[i]]
 781                                 else:
 782                                         self.option_dict[i] = None
 783
 784                 has_linewidth = self.option_dict.has_key (LINEWIDTH)
 785                 no_linewidth_value = 0
 786
 787                 # If LINEWIDTH is used without parameter, set it to default.
 788                 if has_linewidth and self.option_dict[LINEWIDTH] == None:
 789                         no_linewidth_value = 1
 790                         del self.option_dict[LINEWIDTH]
 791
 792                 for i in default_ly_options.keys ():
 793                         if i not in self.option_dict.keys ():
 794                                 self.option_dict[i] = default_ly_options[i]
 795
 796                 if not has_linewidth:
 797                         if type == 'lilypond' or FRAGMENT in self.option_dict.keys ():
 798                                 self.option_dict[RAGGEDRIGHT] = None
 799
 800                         if type == 'lilypond':
 801                                 if LINEWIDTH in self.option_dict.keys ():
 802                                         del self.option_dict[LINEWIDTH]
 803                         else:
 804                                 if RAGGEDRIGHT in self.option_dict.keys ():
 805                                         if LINEWIDTH in self.option_dict.keys ():
 806                                                 del self.option_dict[LINEWIDTH]
 807
 808                         if QUOTE in self.option_dict.keys () or type == 'lilypond':
 809                                 if LINEWIDTH in self.option_dict.keys ():
 810                                         del self.option_dict[LINEWIDTH]
 811
 812                 if not INDENT in self.option_dict.keys ():
 813                         self.option_dict[INDENT] = '0\\mm'
 814
 815                 # The QUOTE pattern from ly_options only emits the `linewidth'
 816                 # keyword.
 817                 if has_linewidth and QUOTE in self.option_dict.keys ():
 818                         if no_linewidth_value:
 819                                 del self.option_dict[LINEWIDTH]
 820                         else:
 821                                 del self.option_dict[QUOTE]
 822
 823         def compose_ly (self, code):
 824                 if FRAGMENT in self.option_dict.keys ():
 825                         body = FRAGMENT_LY
 826                 else:
 827                         body = FULL_LY
 828
 829                 # Defaults.
 830                 relative = 1
 831                 override = {}
 832                 # The original concept of the `exampleindent' option is broken.
 833                 # It is not possible to get a sane value for @exampleindent at all
 834                 # without processing the document itself.  Saying
 835                 #
 836                 #   @exampleindent 0
 837                 #   @example
 838                 #   ...
 839                 #   @end example
 840                 #   @exampleindent 5
 841                 #
 842                 # causes ugly results with the DVI backend of texinfo since the
 843                 # default value for @exampleindent isn't 5em but 0.4in (or a smaller
 844                 # value).  Executing the above code changes the environment
 845                 # indentation to an unknown value because we don't know the amount
 846                 # of 1em in advance since it is font-dependent.  Modifying
 847                 # @exampleindent in the middle of a document is simply not
 848                 # supported within texinfo.
 849                 #
 850                 # As a consequence, the only function of @exampleindent is now to
 851                 # specify the amount of indentation for the `quote' option.
 852                 #
 853                 # To set @exampleindent locally to zero, we use the @format
 854                 # environment for non-quoted snippets.
 855                 override[EXAMPLEINDENT] = r'0.4\in'
 856                 override[LINEWIDTH] = texinfo_linewidths['@smallbook']
 857                 override.update (default_ly_options)
 858
 859                 option_list = []
 860                 for (key, value) in self.option_dict.items ():
 861                         if value == None:
 862                                 option_list.append (key)
 863                         else:
 864                                 option_list.append (key + '=' + value)
 865                 option_string = string.join (option_list, ',')
 866
 867                 compose_dict = {}
 868                 compose_types = [NOTES, PREAMBLE, LAYOUT, PAPER]
 869                 for a in compose_types:
 870                         compose_dict[a] = []
 871
 872                 for (key, value) in self.option_dict.items ():
 873                         (c_key, c_value) = \
 874                           classic_lilypond_book_compatibility (key, value)
 875                         if c_key:
 876                                 if c_value:
 877                                         ly.warning \
 878                                           (_ ("deprecated ly-option used: %s=%s" \
 879                                             % (key, value)))
 880                                         ly.warning \
 881                                           (_ ("compatibility mode translation: %s=%s" \
 882                                             % (c_key, c_value)))
 883                                 else:
 884                                         ly.warning \
 885                                           (_ ("deprecated ly-option used: %s" \
 886                                             % key))
 887                                         ly.warning \
 888                                           (_ ("compatibility mode translation: %s" \
 889                                             % c_key))
 890
 891                                 (key, value) = (c_key, c_value)
 892
 893                         if value:
 894                                 override[key] = value
 895                         else:
 896                                 if not override.has_key (key):
 897                                         override[key] = None
 898
 899                         found = 0
 900                         for type in compose_types:
 901                                 if ly_options[type].has_key (key):
 902                                         compose_dict[type].append (ly_options[type][key])
 903                                         found = 1
 904                                         break
 905
 906                         if not found and key not in simple_options:
 907                                 ly.warning (_ ("ignoring unknown ly option: %s") % key)
 908
 909                 # URGS
 910                 if RELATIVE in override.keys () and override[RELATIVE]:
 911                         relative = string.atoi (override[RELATIVE])
 912
 913                 relative_quotes = ''
 914
 915                 # 1 = central C
 916                 if relative < 0:
 917                         relative_quotes += ',' * (- relative)
 918                 elif relative > 0:
 919                         relative_quotes += "'" * relative
 920
 921                 program_name = __main__.program_name
 922
 923                 paper_string = string.join (compose_dict[PAPER],
 924                                             '\n  ') % override
 925                 layout_string = string.join (compose_dict[LAYOUT],
 926                                              '\n  ') % override
 927                 notes_string = string.join (compose_dict[NOTES],
 928                                             '\n  ') % vars ()
 929                 preamble_string = string.join (compose_dict[PREAMBLE],
 930                                                '\n  ') % override
 931
 932                 font_dump_setting = ''
 933                 if FONTLOAD in self.option_dict:
 934                         font_dump_setting = '#(define-public force-eps-font-include #t)\n'
 935
 936                 return (PREAMBLE_LY + body) % vars ()
 937
 938         # TODO: Use md5?
 939         def get_hash (self):
 940                 if not self.hash:
 941                         self.hash = abs (hash (self.full_ly ()))
 942                 return self.hash
 943
 944         def basename (self):
 945                 if FILENAME in self.option_dict:
 946                         return self.option_dict[FILENAME]
 947                 if use_hash_p:
 948                         return 'lily-%d' % self.get_hash ()
 949                 raise 'to be done'
 950
 951         def write_ly (self):
 952                 outf = open (self.basename () + '.ly', 'w')
 953                 outf.write (self.full_ly ())
 954
 955                 open (self.basename () + '.txt', 'w').write ('image of music')
 956
 957         def ly_is_outdated (self):
 958                 base = self.basename ()
 959
 960                 tex_file = '%s.tex' % base
 961                 eps_file = '%s.eps' % base
 962                 system_file = '%s-systems.tex' % base
 963                 ly_file = '%s.ly' % base
 964                 ok = os.path.exists (ly_file) \
 965                      and os.path.exists (system_file)\
 966                      and os.stat (system_file)[stat.ST_SIZE] \
 967                      and re.match ('% eof', open (system_file).readlines ()[-1])
 968                 if ok and (not use_hash_p or FILENAME in self.option_dict):
 969                         ok = (self.full_ly () == open (ly_file).read ())
 970                 if ok:
 971                         # TODO: Do something smart with target formats
 972                         #       (ps, png) and m/ctimes.
 973                         return None
 974                 return self
 975
 976         def png_is_outdated (self):
 977                 base = self.basename ()
 978                 ok = self.ly_is_outdated ()
 979                 if format == HTML or format == TEXINFO:
 980                         ok = ok and os.path.exists (base + '.eps')
 981
 982                         page_count = 0
 983                         if ok:
 984                                 page_count = ly.ps_page_count (base + '.eps')
 985
 986                         if page_count == 1:
 987                                 ok = ok and os.path.exists (base + '.png')
 988                         elif page_count > 1:
 989                                 for a in range (1, page_count + 1):
 990                                                 ok = ok and os.path.exists (base + '-page%d.png' % a)
 991
 992                 return not ok
 993
 994         def texstr_is_outdated (self):
 995                 if backend == 'ps':
 996                         return 0
 997
 998                 base = self.basename ()
 999                 ok = self.ly_is_outdated ()
1000                 ok = ok and (os.path.exists (base + '.texstr'))
1001                 return not ok
1002
1003         def filter_text (self):
1004                 code = self.substring ('code')
1005                 s = run_filter (code)
1006                 d = {
1007                         'code': s,
1008                         'options': self.match.group ('options')
1009                 }
1010                 # TODO
1011                 return output[self.format][FILTER] % d
1012
1013         def replacement_text (self):
1014                 func = Lilypond_snippet.__dict__['output_' + self.format]
1015                 return func (self)
1016
1017         def get_images (self):
1018                 base = self.basename ()
1019                 # URGUGHUGHUGUGH
1020                 single = '%(base)s.png' % vars ()
1021                 multiple = '%(base)s-page1.png' % vars ()
1022                 images = (single,)
1023                 if os.path.exists (multiple) \
1024                    and (not os.path.exists (single) \
1025                         or (os.stat (multiple)[stat.ST_MTIME] \
1026                             > os.stat (single)[stat.ST_MTIME])):
1027                         count = ly.ps_page_count ('%(base)s.eps' % vars ())
1028                         images = ['%s-page%d.png' % (base, a) for a in range (1, count+1)]
1029                         images = tuple (images)
1030                 return images
1031
1032         def output_html (self):
1033                 str = ''
1034                 base = self.basename ()
1035                 if format == HTML:
1036                         str += self.output_print_filename (HTML)
1037                         if VERBATIM in self.option_dict:
1038                                 verb = verbatim_html (self.substring ('code'))
1039                                 str += write (output[HTML][VERBATIM] % vars ())
1040                         if QUOTE in self.option_dict:
1041                                 str = output[HTML][QUOTE] % vars ()
1042
1043                 str += output[HTML][BEFORE] % vars ()
1044                 for image in self.get_images ():
1045                         (base, ext) = os.path.splitext (image)
1046                         alt = self.option_dict[ALT]
1047                         str += output[HTML][OUTPUT] % vars ()
1048                 str += output[HTML][AFTER] % vars ()
1049                 return str
1050
1051         def output_info (self):
1052                 str = ''
1053                 for image in self.get_images ():
1054                         (base, ext) = os.path.splitext (image)
1055
1056                         # URG, makeinfo implicitly prepends dot to extension.
1057                         # Specifying no extension is most robust.
1058                         ext = ''
1059                         alt = self.option_dict[ALT]
1060                         str += output[TEXINFO][OUTPUTIMAGE] % vars ()
1061
1062                 base = self.basename ()
1063                 str += output[format][OUTPUT] % vars ()
1064                 return str
1065
1066         def output_latex (self):
1067                 str = ''
1068                 base = self.basename ()
1069                 if format == LATEX:
1070                         str += self.output_print_filename (LATEX)
1071                         if VERBATIM in self.option_dict:
1072                                 verb = self.substring ('code')
1073                                 str += (output[LATEX][VERBATIM] % vars ())
1074
1075                 str += (output[LATEX][OUTPUT] % vars ())
1076                 if QUOTE in self.option_dict:
1077                         str = output[LATEX][QUOTE] % vars ()
1078                 return str
1079
1080         def output_print_filename (self, format):
1081                 str = ''
1082                 if PRINTFILENAME in self.option_dict:
1083                         base = self.basename ()
1084                         filename = self.substring ('filename')
1085                         str = output[format][PRINTFILENAME] % vars ()
1086
1087                 return str
1088
1089         def output_texinfo (self):
1090                 str = ''
1091                 if self.output_print_filename (TEXINFO):
1092                         str += ('@html\n'
1093                                 + self.output_print_filename (HTML)
1094                                 + '\n@end html\n')
1095                         str += ('@tex\n'
1096                                 + self.output_print_filename (LATEX)
1097                                 + '\n@end tex\n')
1098                 base = self.basename ()
1099                 if TEXIDOC in self.option_dict:
1100                         texidoc = base + '.texidoc'
1101                         if os.path.exists (texidoc):
1102                                 str += '@include %(texidoc)s\n\n' % vars ()
1103
1104                 if VERBATIM in self.option_dict:
1105                         verb = verbatim_texinfo (self.substring ('code'))
1106                         str += (output[TEXINFO][VERBATIM] % vars ())
1107                         if not QUOTE in self.option_dict:
1108                                 str = output[TEXINFO][NOQUOTE] % vars ()
1109
1110                 str += self.output_info ()
1111
1112 #               str += ('@ifinfo\n' + self.output_info () + '\n@end ifinfo\n')
1113 #               str += ('@tex\n' + self.output_latex () + '\n@end tex\n')
1114 #               str += ('@html\n' + self.output_html () + '\n@end html\n')
1115
1116                 if QUOTE in self.option_dict:
1117                         str = output[TEXINFO][QUOTE] % vars ()
1118
1119                 # need par after image
1120                 str += '\n'
1121
1122                 return str
1123
1124 class Lilypond_file_snippet (Lilypond_snippet):
1125         def ly (self):
1126                 name = self.substring ('filename')
1127                 return '\\renameinput \"%s\"\n%s' \
1128                          % (name, open (find_file (name)).read ())
1129
1130 snippet_type_to_class = {
1131         'lilypond_file': Lilypond_file_snippet,
1132         'lilypond_block': Lilypond_snippet,
1133         'lilypond': Lilypond_snippet,
1134         'include': Include_snippet,
1135 }
1136
1137 def find_linestarts (s):
1138         nls = [0]
1139         start = 0
1140         end = len (s)
1141         while 1:
1142                 i = s.find ('\n', start)
1143                 if i < 0:
1144                         break
1145
1146                 i = i + 1
1147                 nls.append (i)
1148                 start = i
1149
1150         nls.append (len (s))
1151         return nls
1152
1153 def find_toplevel_snippets (s, types):
1154         res = {}
1155         for i in types:
1156                 res[i] = ly.re.compile (snippet_res[format][i])
1157
1158         snippets = []
1159         index = 0
1160         ## found = dict (map (lambda x: (x, None),
1161         ##                    types))
1162         ## urg python2.1
1163         found = {}
1164         map (lambda x, f = found: f.setdefault (x, None),
1165              types)
1166
1167         line_starts = find_linestarts (s)
1168         line_start_idx = 0
1169         # We want to search for multiple regexes, without searching
1170         # the string multiple times for one regex.
1171         # Hence, we use earlier results to limit the string portion
1172         # where we search.
1173         # Since every part of the string is traversed at most once for
1174         # every type of snippet, this is linear.
1175
1176         while 1:
1177                 first = None
1178                 endex = 1 << 30
1179                 for type in types:
1180                         if not found[type] or found[type][0] < index:
1181                                 found[type] = None
1182                                 m = res[type].search (s[index:endex])
1183                                 if not m:
1184                                         continue
1185
1186                                 cl = Snippet
1187                                 if snippet_type_to_class.has_key (type):
1188                                         cl = snippet_type_to_class[type]
1189
1190
1191                                 start = index + m.start ('match')
1192                                 line_number = line_start_idx
1193                                 while (line_starts[line_number] < start):
1194                                         line_number += 1
1195
1196                                 line_number += 1
1197                                 snip = cl (type, m, format, line_number)
1198                                 found[type] = (start, snip)
1199
1200                         if found[type] \
1201                            and (not first \
1202                                 or found[type][0] < found[first][0]):
1203                                 first = type
1204
1205                                 # FIXME.
1206
1207                                 # Limiting the search space is a cute
1208                                 # idea, but this *requires* to search
1209                                 # for possible containing blocks
1210                                 # first, at least as long as we do not
1211                                 # search for the start of blocks, but
1212                                 # always/directly for the entire
1213                                 # @block ... @end block.
1214
1215                                 endex = found[first][0]
1216
1217                 if not first:
1218                         snippets.append (Substring (s, index, len (s), line_start_idx))
1219                         break
1220
1221                 while (start > line_starts[line_start_idx+1]):
1222                         line_start_idx += 1
1223
1224                 (start, snip) = found[first]
1225                 snippets.append (Substring (s, index, start, line_start_idx + 1))
1226                 snippets.append (snip)
1227                 found[first] = None
1228                 index = start + len (snip.match.group ('match'))
1229
1230         return snippets
1231
1232 def filter_pipe (input, cmd):
1233         if verbose_p:
1234                 ly.progress (_ ("Opening filter `%s'") % cmd)
1235
1236         (stdin, stdout, stderr) = os.popen3 (cmd)
1237         stdin.write (input)
1238         status = stdin.close ()
1239
1240         if not status:
1241                 status = 0
1242                 output = stdout.read ()
1243                 status = stdout.close ()
1244                 error = stderr.read ()
1245
1246         if not status:
1247                 status = 0
1248         signal = 0x0f & status
1249         if status or (not output and error):
1250                 exit_status = status >> 8
1251                 ly.error (_ ("`%s' failed (%d)") % (cmd, exit_status))
1252                 ly.error (_ ("The error log is as follows:"))
1253                 sys.stderr.write (error)
1254                 sys.stderr.write (stderr.read ())
1255                 ly.exit (status)
1256
1257         if verbose_p:
1258                 ly.progress ('\n')
1259
1260         return output
1261
1262 def run_filter (s):
1263         return filter_pipe (s, filter_cmd)
1264
1265 def is_derived_class (cl, baseclass):
1266         if cl == baseclass:
1267                 return 1
1268         for b in cl.__bases__:
1269                 if is_derived_class (b, baseclass):
1270                         return 1
1271         return 0
1272
1273 def process_snippets (cmd, ly_snippets, texstr_snippets, png_snippets):
1274         ly_names = filter (lambda x: x,
1275                            map (Lilypond_snippet.basename, ly_snippets))
1276         texstr_names = filter (lambda x: x,
1277                            map (Lilypond_snippet.basename, texstr_snippets))
1278         png_names = filter (lambda x: x,
1279                             map (Lilypond_snippet.basename, png_snippets))
1280
1281         status = 0
1282         def my_system (cmd):
1283                 status = ly.system (cmd,
1284                                     ignore_error = 1, progress_p = 1)
1285
1286                 if status:
1287                         ly.error ('Process %s exited unsuccessfully.' % cmd)
1288                         raise Compile_error
1289
1290         # UGH
1291         # the --process=CMD switch is a bad idea
1292         # it is too generic for lilypond-book.
1293         if texstr_names and invokes_lilypond:
1294                 my_system (string.join ([cmd, '--backend texstr',
1295                                          'snippet-map.ly'] + texstr_names))
1296                 for l in texstr_names:
1297                         my_system ('latex %s.texstr' % l)
1298
1299         if ly_names:
1300                 my_system (string.join ([cmd, 'snippet-map.ly'] + ly_names))
1301
1302 LATEX_INSPECTION_DOCUMENT = r'''
1303 \nonstopmode
1304 %(preamble)s
1305 \begin{document}
1306 \typeout{textwidth=\the\textwidth}
1307 \typeout{columnsep=\the\columnsep}
1308 \makeatletter\if@twocolumn\typeout{columns=2}\fi\makeatother
1309 \end{document}
1310 '''
1311
1312 # Do we need anything else besides `textwidth'?
1313 def get_latex_textwidth (source):
1314         m = re.search (r'''(?P<preamble>\\begin\s*{document})''', source)
1315         preamble = source[:m.start (0)]
1316         latex_document = LATEX_INSPECTION_DOCUMENT % vars ()
1317         # Workaround problems with unusable $TMP on Cygwin:
1318         tempfile.tempdir = ''
1319         tmpfile = tempfile.mktemp('.tex')
1320         logfile = os.path.splitext (tmpfile)[0] + '.log'
1321         open (tmpfile,'w').write (latex_document)
1322         ly.system ('latex %s' % tmpfile)
1323         parameter_string = open (logfile).read()
1324         os.unlink (tmpfile)
1325         os.unlink (logfile)
1326
1327         columns = 0
1328         m = re.search ('columns=([0-9.]*)', parameter_string)
1329         if m:
1330                 columns = string.atoi (m.group (1))
1331
1332         columnsep = 0
1333         m = re.search ('columnsep=([0-9.]*)pt', parameter_string)
1334         if m:
1335                 columnsep = string.atof (m.group (1))
1336
1337         textwidth = 0
1338         m = re.search ('textwidth=([0-9.]*)pt', parameter_string)
1339         if m:
1340                 textwidth = string.atof (m.group (1))
1341                 if columns:
1342                         textwidth = (textwidth - columnsep) / columns
1343
1344         return textwidth
1345
1346 def modify_preamble (chunk):
1347         str = chunk.replacement_text ()
1348         if (re.search (r"\\begin{document}", str)
1349             and not re.search ("{graphic[sx]", str)):
1350                 str = re.sub (r"\\begin{document}",
1351                               r"\\RequirePackage{graphics}" + '\n'
1352                               + r"\\begin{document}",
1353                               str)
1354                 chunk.override_text = str
1355
1356
1357
1358 ext2format = {
1359         '.html': HTML,
1360         '.itely': TEXINFO,
1361         '.latex': LATEX,
1362         '.lytex': LATEX,
1363         '.tely': TEXINFO,
1364         '.tex': LATEX,
1365         '.texi': TEXINFO,
1366         '.texinfo': TEXINFO,
1367         '.xml': HTML,
1368 }
1369
1370 format2ext = {
1371         HTML: '.html',
1372         # TEXINFO: '.texinfo',
1373         TEXINFO: '.texi',
1374         LATEX: '.tex',
1375 }
1376
1377 class Compile_error:
1378         pass
1379
1380 def write_file_map (lys, name):
1381         snippet_map = open ('snippet-map.ly', 'w')
1382         snippet_map.write ("""
1383 #(define version-seen? #t)
1384 #(ly:add-file-name-alist '(
1385 """)
1386         for ly in lys:
1387                 snippet_map.write ('("%s.ly" . "%s:%d (%s.ly)")\n'
1388                                    % (ly.basename (),
1389                                       name,
1390                                       ly.line_number,
1391                                       ly.basename ()))
1392
1393         snippet_map.write ('))\n')
1394
1395 def do_process_cmd (chunks, input_name):
1396         all_lys = filter (lambda x: is_derived_class (x.__class__,
1397                                                       Lilypond_snippet),
1398                           chunks)
1399
1400         write_file_map (all_lys, input_name)
1401         ly_outdated = \
1402           filter (lambda x: is_derived_class (x.__class__,
1403                                               Lilypond_snippet)
1404                             and x.ly_is_outdated (),
1405                   chunks)
1406         texstr_outdated = \
1407           filter (lambda x: is_derived_class (x.__class__,
1408                                               Lilypond_snippet)
1409                             and x.texstr_is_outdated (),
1410                   chunks)
1411         png_outdated = \
1412           filter (lambda x: is_derived_class (x.__class__,
1413                                               Lilypond_snippet)
1414                             and x.png_is_outdated (),
1415                   chunks)
1416
1417         ly.progress (_ ("Writing snippets..."))
1418         map (Lilypond_snippet.write_ly, ly_outdated)
1419         ly.progress ('\n')
1420
1421         if ly_outdated:
1422                 ly.progress (_ ("Processing..."))
1423                 ly.progress ('\n')
1424                 process_snippets (process_cmd, ly_outdated, texstr_outdated, png_outdated)
1425         else:
1426                 ly.progress (_ ("All snippets are up to date..."))
1427         ly.progress ('\n')
1428
1429 def guess_format (input_filename):
1430         format = None
1431         e = os.path.splitext (input_filename)[1]
1432         if e in ext2format.keys ():
1433                 # FIXME
1434                 format = ext2format[e]
1435         else:
1436                 ly.error (_ ("can't determine format for: %s" \
1437                              % input_filename))
1438                 ly.exit (1)
1439         return format
1440
1441 def write_if_updated (file_name, lines):
1442         try:
1443                 f = open (file_name)
1444                 oldstr = f.read ()
1445                 new_str = string.join (lines, '')
1446                 if oldstr == new_str:
1447                         ly.progress (_ ("%s is up to date.") % file_name)
1448                         ly.progress ('\n')
1449                         return
1450         except:
1451                 pass
1452
1453         ly.progress (_ ("Writing `%s'...") % file_name)
1454         open (file_name, 'w').writelines (lines)
1455         ly.progress ('\n')
1456
1457 def do_file (input_filename):
1458         # Ugh.
1459         if not input_filename or input_filename == '-':
1460                 in_handle = sys.stdin
1461                 input_fullname = '<stdin>'
1462         else:
1463                 if os.path.exists (input_filename):
1464                         input_fullname = input_filename
1465                 elif format == LATEX and ly.search_exe_path ('kpsewhich'):
1466                         # urg python interface to libkpathsea?
1467                         input_fullname = ly.read_pipe ('kpsewhich '
1468                                                        + input_filename)[:-1]
1469                 else:
1470                         input_fullname = find_file (input_filename)
1471                 in_handle = open (input_fullname)
1472
1473         if input_filename == '-':
1474                 input_base = 'stdin'
1475         else:
1476                 input_base = os.path.basename \
1477                              (os.path.splitext (input_filename)[0])
1478
1479         # Only default to stdout when filtering.
1480         if output_name == '-' or (not output_name and filter_cmd):
1481                 output_filename = '-'
1482                 output_file = sys.stdout
1483         else:
1484                 # don't complain when output_name is existing
1485                 output_filename = input_base + format2ext[format]
1486                 if output_name:
1487                         if not os.path.isdir (output_name):
1488                                 os.mkdir (output_name, 0777)
1489                         os.chdir (output_name)
1490                 else:
1491                         if os.path.exists (input_filename) \
1492                            and os.path.exists (output_filename) \
1493                            and os.path.samefile (output_filename, input_fullname):
1494                            ly.error (
1495                            _ ("Output would overwrite input file; use --output."))
1496                            ly.exit (2)
1497
1498         try:
1499                 ly.progress (_ ("Reading %s...") % input_fullname)
1500                 source = in_handle.read ()
1501                 ly.progress ('\n')
1502
1503                 set_default_options (source)
1504
1505
1506                 # FIXME: Containing blocks must be first, see
1507                 #        find_toplevel_snippets.
1508                 snippet_types = (
1509                         'multiline_comment',
1510                         'verbatim',
1511                         'lilypond_block',
1512         #               'verb',
1513                         'singleline_comment',
1514                         'lilypond_file',
1515                         'include',
1516                         'lilypond',
1517                 )
1518                 ly.progress (_ ("Dissecting..."))
1519                 chunks = find_toplevel_snippets (source, snippet_types)
1520
1521                 if format == LATEX:
1522                         modify_preamble (chunks[0])
1523
1524
1525                 ly.progress ('\n')
1526
1527                 if filter_cmd:
1528                         write_if_updated (output_filename,
1529                                           [c.filter_text () for c in chunks])
1530                 elif process_cmd:
1531                         do_process_cmd (chunks, input_fullname)
1532                         ly.progress (_ ("Compiling %s...") % output_filename)
1533                         ly.progress ('\n')
1534                         write_if_updated (output_filename,
1535                                           [s.replacement_text ()
1536                                            for s in chunks])
1537
1538                 def process_include (snippet):
1539                         os.chdir (original_dir)
1540                         name = snippet.substring ('filename')
1541                         ly.progress (_ ("Processing include: %s") % name)
1542                         ly.progress ('\n')
1543                         return do_file (name)
1544
1545                 include_chunks = map (process_include,
1546                                       filter (lambda x: is_derived_class (x.__class__,
1547                                                                           Include_snippet),
1548                                               chunks))
1549
1550
1551                 return chunks + reduce (lambda x,y: x + y, include_chunks, [])
1552
1553         except Compile_error:
1554                 os.chdir (original_dir)
1555                 ly.progress (_ ("Removing `%s'") % output_filename)
1556                 ly.progress ('\n')
1557                 raise Compile_error
1558
1559 def do_options ():
1560         global format, output_name, psfonts_p
1561         global filter_cmd, process_cmd, verbose_p
1562
1563         (sh, long) = ly.getopt_args (option_definitions)
1564         try:
1565                 (options, files) = getopt.getopt (sys.argv[1:], sh, long)
1566         except getopt.error, s:
1567                 sys.stderr.write ('\n')
1568                 ly.error (_ ("getopt says: `%s'" % s))
1569                 sys.stderr.write ('\n')
1570                 ly.help ()
1571                 ly.exit (2)
1572
1573         for opt in options:
1574                 o = opt[0]
1575                 a = opt[1]
1576
1577                 if 0:
1578                         pass
1579                 elif o == '--filter' or o == '-F':
1580                         filter_cmd = a
1581                         process_cmd = 0
1582                 elif o == '--format' or o == '-f':
1583                         format = a
1584                         if a == 'texi-html' or a == 'texi':
1585                                 format = TEXINFO
1586                 elif o == '--tex-backend ':
1587                         backend = 'tex'
1588                 elif o == '--help' or o == '-h':
1589                         ly.help ()
1590                         sys.exit (0)
1591                 elif o == '--include' or o == '-I':
1592                         include_path.append (os.path.join (original_dir,
1593                                                            os.path.abspath (a)))
1594                 elif o == '--output' or o == '-o':
1595                         output_name = a
1596                 elif o == '--process' or o == '-P':
1597                         process_cmd = a
1598                         filter_cmd = 0
1599                 elif o == '--version' or o == '-v':
1600                         ly.identify (sys.stdout)
1601                         sys.exit (0)
1602                 elif o == '--verbose' or o == '-V':
1603                         verbose_p = 1
1604                 elif o == '--psfonts':
1605                         psfonts_p = 1
1606                 elif o == '--warranty' or o == '-w':
1607                         if 1 or status:
1608                                 ly.warranty ()
1609                         sys.exit (0)
1610         return files
1611
1612 def main ():
1613         files = do_options ()
1614         if not files or len (files) > 1:
1615                 ly.help ()
1616                 ly.exit (2)
1617
1618         file = files[0]
1619
1620         basename = os.path.splitext (file)[0]
1621         basename = os.path.split (basename)[1]
1622
1623         global process_cmd, format
1624         if not format:
1625                 format = guess_format (files[0])
1626
1627         formats = 'ps'
1628         if format == TEXINFO or format == HTML:
1629                 formats += ',png'
1630         if process_cmd == '':
1631                 process_cmd = lilypond_binary \
1632                               + ' --formats=%s --backend eps ' % formats
1633
1634         if process_cmd:
1635                 process_cmd += string.join ([(' -I %s' % p)
1636                                              for p in include_path])
1637
1638         ly.identify (sys.stderr)
1639
1640         try:
1641                 chunks = do_file (file)
1642                 if psfonts_p and invokes_lilypond ():
1643                         fontextract.verbose = verbose_p
1644                         snippet_chunks = filter (lambda x: is_derived_class (x.__class__,
1645                                                                               Lilypond_snippet),
1646                                                  chunks)
1647
1648                         psfonts_file = basename + '.psfonts'
1649                         if not verbose_p:
1650                                 ly.progress (_ ("Writing fonts to %s...") % psfonts_file)
1651                         fontextract.extract_fonts (psfonts_file,
1652                                                    [x.basename() + '.eps'
1653                                                     for x in snippet_chunks])
1654                         if not verbose_p:
1655                                 ly.progress ('\n')
1656
1657         except Compile_error:
1658                 ly.exit (1)
1659
1660         if format == TEXINFO or format == LATEX:
1661                 if not psfonts_p:
1662                         ly.warning (_ ("option --psfonts not used"))
1663                         ly.warning (_ ("processing with dvips will have no fonts"))
1664
1665                 psfonts_file = os.path.join (output_name, basename + '.psfonts')
1666                 output = os.path.join (output_name, basename +  '.dvi' )
1667
1668                 ly.progress ('\n')
1669                 ly.progress (_ ("DVIPS usage:"))
1670                 ly.progress ('\n')
1671                 ly.progress ("    dvips -h %(psfonts_file)s %(output)s" % vars ())
1672                 ly.progress ('\n')
1673
1674 if __name__ == '__main__':
1675         main ()