1 ################################################################
2 # lilylib.py -- options and stuff
4 # source file of the GNU LilyPond music typesetter
6 # (c) 1998--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
7 # Jan Nieuwenhuizen <janneke@gnu.org>
9 ### subst:\(^\|[^._a-z]\)\(abspath\|identify\|warranty\|progress\|warning\|error\|exit\|getopt_args\|option_help_str\|options_help_str\|help\|setup_temp\|read_pipe\|system\|cleanup_temp\|strip_extension\|cp_to_dir\|mkdir_p\|init\) *(
12 ### subst: \(help_summary\|keep_temp_dir_p\|option_definitions\|original_dir\|program_name\|pseudo_filter_p\|temp_dir\|verbose_p\)
20 ################################################################
21 # Users of python modules should include this snippet
22 # and customize variables below.
24 # We'll suffer this path init stuff as long as we don't install our
25 # python packages in <prefix>/lib/pythonx.y (and don't kludge around
26 # it as we do with teTeX on Red Hat Linux: set some environment var
27 # (PYTHONPATH) in profile)
29 # If set, LILYPONDPREFIX must take prevalence
30 # if datadir is not set, we're doing a build and LILYPONDPREFIX
31 import getopt, os, sys
32 datadir = '@local_lilypond_datadir@'
33 if not os.path.isdir (datadir):
34 datadir = '@lilypond_datadir@'
35 if os.environ.has_key ('LILYPONDPREFIX') :
36 datadir = os.environ['LILYPONDPREFIX']
37 while datadir[-1] == os.sep:
40 sys.path.insert (0, os.path.join (datadir, 'python'))
45 if __name__ == '__main__':
51 program_name = 'unset'
53 original_dir = os.getcwd ()
54 temp_dir = os.path.join (original_dir, '%s.dir' % program_name)
58 help_summary = _ ("lilylib module")
60 option_definitions = [
61 ('', 'h', 'help', _ ("this help")),
65 ################################################################
67 # Handle bug in Python 1.6-2.1
69 # there are recursion limits for some patterns in Python 1.6 til 2.1.
70 # fix this by importing pre instead. Fix by Mats.
72 if float (sys.version[0:3]) <= 2.1:
82 # Attempt to fix problems with limited stack size set by Python!
83 # Sets unlimited stack size. Note that the resource module only
84 # is available on UNIX.
87 resource.setrlimit (resource.RLIMIT_STACK, (-1, -1))
91 localedir = '@localedir@'
94 gettext.bindtextdomain ('lilypond', localedir)
95 gettext.textdomain ('lilypond')
102 program_version = '@TOPLEVEL_VERSION@'
103 if program_version == '@' + 'TOPLEVEL_VERSION' + '@':
104 program_version = '1.7.14'
107 port.write ('%s (GNU LilyPond) %s\n' % (__main__.program_name, program_version))
110 identify (sys.stdout)
111 sys.stdout.write ('\n')
112 sys.stdout.write (_ ('Copyright (c) %s by' % ' 1998--2003'))
113 sys.stdout.write ('\n')
114 map (lambda x: sys.stdout.write (' %s\n' % x), __main__.copyright)
115 sys.stdout.write ('\n')
116 sys.stdout.write (_ ("Distributed under terms of the GNU General Public License."))
117 sys.stdout.write ('\n')
118 sys.stdout.write (_ ("It comes with NO WARRANTY."))
119 sys.stdout.write ('\n')
125 sys.stderr.write (__main__.program_name + ": " + _ ("warning: ") + s + '\n')
128 sys.stderr.write (__main__.program_name + ": " + _ ("error: ") + s + '\n')
131 if __main__.verbose_p:
132 raise _ ('Exiting (%d)...') % i
136 def getopt_args (opts):
137 '''Construct arguments (LONG, SHORT) for getopt from list of options.'''
152 def option_help_str (o):
153 '''Transform one option description (4-tuple ) into neatly formatted string'''
171 return ' ' + sh + sep + long + arg
174 def options_help_str (opts):
175 '''Convert a list of options into a neatly formatted string'''
181 s = option_help_str (o)
182 strs.append ((s, o[3]))
188 str = str + '%s%s%s\n' % (s[0], ' ' * (w - len(s[0]) + 3), s[1])
192 ls = [(_ ("Usage: %s [OPTION]... FILE") % __main__.program_name),
194 (__main__.help_summary),
198 (options_help_str (__main__.option_definitions)),
200 (_ ("Report bugs to %s") % 'bug-lilypond@gnu.org'),
202 map (sys.stdout.write, ls)
206 ''' Create a temporary directory, and return its name. '''
208 if not __main__.keep_temp_dir_p:
209 __main__.temp_dir = tempfile.mktemp (__main__.program_name)
211 os.mkdir (__main__.temp_dir, 0700)
215 return __main__.temp_dir
217 def command_name (cmd):
218 return re.match ('^[ \t]*([^ \t]*)', cmd).group (1)
220 def error_log (name):
221 return os.path.join (__main__.temp_dir, '%s.errorlog' % name)
223 def read_pipe (cmd, mode = 'r'):
225 if __main__.verbose_p:
226 progress (_ ("Opening pipe `%s\'") % cmd)
227 redirect = ' 2>%s' % error_log (command_name (cmd))
228 pipe = os.popen (cmd + redirect, mode)
229 output = pipe.read ()
230 status = pipe.close ()
231 # successful pipe close returns 'None'
234 signal = 0x0f & status
235 exit_status = status >> 8
238 error (_ ("`%s\' failed (%d)") % (cmd, exit_status))
239 if not __main__.verbose_p:
240 error (_ ("The error log is as follows:"))
241 sys.stderr.write (open (error_log (command_name (cmd)).read ()))
243 if __main__.verbose_p:
247 def system (cmd, ignore_error = 0, progress_p = 0):
249 '''System CMD. If IGNORE_ERROR, do not complain when CMD
250 returns non zero. If PROGRESS_P, always show progress.
254 Exit status of CMD '''
256 name = command_name (cmd)
258 if __main__.verbose_p:
260 progress (_ ("Invoking `%s\'") % cmd)
262 progress ( _("Running %s...") % name)
266 redirect = ' 1>/dev/null 2>' + error_log (name)
267 elif __main__.pseudo_filter_p:
268 redirect = ' 1>/dev/null'
270 status = os.system (cmd + redirect)
271 signal = 0x0f & status
272 exit_status = status >> 8
276 exit_type = 'status %d' % exit_status
278 exit_type = 'signal %d' % signal
280 msg = _ ("`%s\' failed (%s)") % (name, exit_type)
282 if __main__.verbose_p:
283 warning (msg + ' ' + _ ("(ignored)"))
287 error (_ ("The error log is as follows:"))
288 sys.stderr.write (open (error_log (name)).read ())
295 if not __main__.keep_temp_dir_p:
296 if __main__.verbose_p:
297 progress (_ ("Cleaning %s...") % __main__.temp_dir)
298 shutil.rmtree (__main__.temp_dir)
299 if __main__.verbose_p:
303 def strip_extension (f, ext):
304 (p, e) = os.path.splitext (f)
310 def cp_to_dir (pattern, dir):
311 "Copy files matching re PATTERN from cwd to DIR"
312 # Duh. Python style portable: cp *.EXT OUTDIR
313 # system ('cp *.%s %s' % (ext, outdir), 1)
314 files = filter (lambda x, p=pattern: re.match (p, x), os.listdir ('.'))
315 map (lambda x, d=dir: shutil.copy2 (x, os.path.join (d, x)), files)
318 # Python < 1.5.2 compatibility
320 # On most platforms, this is equivalent to
321 #`normpath(join(os.getcwd()), PATH)'. *Added in Python version 1.5.2*
322 if os.path.__dict__.has_key ('abspath'):
323 abspath = os.path.abspath
326 return os.path.normpath (os.path.join (os.getcwd (), path))
328 if os.__dict__.has_key ('makedirs'):
329 makedirs = os.makedirs
331 def makedirs (dir, mode=0777):
332 system ('mkdir -p %s' % dir)
335 def mkdir_p (dir, mode=0777):
336 if not os.path.isdir (dir):
342 # tex needs lots of memory, more than it gets by default on Debian
343 non_path_environment = {
344 'extra_mem_top' : '1000000',
345 'extra_mem_bottom' : '1000000',
346 'pool_size' : '250000',
349 def setup_environment ():
352 kpse = read_pipe ('kpsexpand \$TEXMF')
353 texmf = re.sub ('[ \t\n]+$','', kpse)
354 type1_paths = read_pipe ('kpsewhich -expand-path=\$T1FONTS')
357 # TODO: * prevent multiple addition.
358 # * clean TEXINPUTS, MFINPUTS, TFMFONTS,
359 # as these take prevalence over $TEXMF
360 # and thus may break tex run?
361 'TEXMF' : "{%s,%s}" % (datadir, texmf) ,
362 'GS_FONTPATH' : type1_paths,
363 'GS_LIB' : datadir + '/ps',
366 # $TEXMF is special, previous value is already taken care of
367 if os.environ.has_key ('TEXMF'):
368 del os.environ['TEXMF']
370 for key in environment.keys ():
371 val = environment[key]
372 if os.environ.has_key (key):
373 val = os.environ[key] + os.pathsep + val
374 os.environ[key] = val
376 for key in non_path_environment.keys ():
377 val = non_path_environment[key]
378 os.environ[key] = val
380 def print_environment ():
381 for (k,v) in os.environ.items ():
382 sys.stderr.write ("%s=\"%s\"\n" % (k, v))
384 def get_bbox (filename):
385 bbox = filename + '.bbox'
386 ## -sOutputFile does not work with bbox?
387 cmd = 'gs -sDEVICE=bbox -q -dNOPAUSE %s -c quit 2>%s' % \
389 system (cmd, progress_p = 1)
390 box = open (bbox).read ()
391 m = re.match ('^%%BoundingBox: ([0-9]+) ([0-9]+) ([0-9]+) ([0-9]+)',
395 gr = map (string.atoi, m.groups ())
400 def make_ps_images (ps_name, resolution = 90):
402 ## have better algorithm for deciding when to crop page,
403 ## and when to show full page
405 header = open (ps_name).read (1024)
406 multi_page = re.search ('\n%%Pages: ', header)
409 if multi_page == None:
410 bbox = get_bbox (ps_name)
411 trans_ps = ps_name + '.trans.ps'
412 output_file = re.sub (r'\.e?ps', '.png', ps_name)
416 fo = open (trans_ps, 'w')
417 fo.write ('%d %d translate\n' % (-bbox[0] + margin,
421 x = (2* margin + bbox[2] - bbox[0]) \
423 y = (2* margin + bbox[3] - bbox[1]) \
430 cmd = r'''gs -g%dx%d -sDEVICE=pnggray -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -q -sOutputFile=%s -r%d -dNOPAUSE %s %s -c quit ''' % \
431 (x, y, output_file, resolution, trans_ps, ps_name)
433 output_file = re.sub (r'\.e?ps', '-page%d.png', ps_name)
436 cmd = r'''gs -s -sDEVICE=pnggray -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -q -sOutputFile=%s -dNOPAUSE -r%d %s -c quit''' % (output_file,
439 status = system (cmd)
440 signal = 0xf & status
441 exit_status = status >> 8
445 error (_ ("Removing output file"))