3 # convert-ly.py -- Update old LilyPond input files (fix name?)
5 # source file of the GNU LilyPond music typesetter
7 # (c) 1998--2006 Han-Wen Nienhuys <hanwen@cs.uu.nl>
8 # Jan Nieuwenhuizen <janneke@gnu.org>
10 # converting rules are found in python/convertrules.py
19 datadir = '@local_lilypond_datadir@'
20 if not os.path.isdir (datadir):
21 datadir = '@lilypond_datadir@'
23 sys.path.insert (0, os.path.join (datadir, 'python'))
25 # dynamic relocation, for GUB binaries.
26 bindir = os.path.abspath (os.path.split (sys.argv[0])[0])
27 for p in ['share', 'lib']:
28 datadir = os.path.abspath (bindir + '/../%s/lilypond/current/python/' % p)
29 sys.path.insert (0, datadir)
34 from convertrules import *
36 lilypond_version_re_str = '\\\\version *\"([0-9.]+)"'
37 lilypond_version_re = re.compile (lilypond_version_re_str)
41 '''Update LilyPond input to newer version. By default, update from the
42 version taken from the \\version command, to the current LilyPond version.
47 convert-ly --from=2.3.28 --to 2.5.21 foobar.ly
50 copyright = ('Jan Nieuwenhuizen <janneke@gnu.org>',
51 'Han-Wen Nienhuys <hanwen@cs.uu.nl>')
53 program_name = os.path.basename (sys.argv[0])
54 program_version = '@TOPLEVEL_VERSION@'
59 sys.stderr.write (program_name + ": " + _ ("warning: %s") % s + '\n')
62 sys.stderr.write (program_name + ": " + _ ("error: %s") % s + '\n')
64 def identify (port=sys.stderr):
65 port.write ('%s (GNU LilyPond) %s\n' % (program_name, program_version))
78 _('Distributed under terms of the GNU General Public License.'),
79 _('It comes with NO WARRANTY.')))
83 def get_option_parser ():
84 p = ly.get_option_parser (usage='convert-ly [OPTIONS] FILE',
85 version="@TOPLEVEL_VERSION@",
86 description=help_summary)
88 p.add_option ('-f', '--from',
90 metavar=_ ("VERSION"),
92 help=_('start from VERSION [default: \\version found in file]'),
95 p.add_option ('-e', '--edit', help=_('edit in place'),
97 p.add_option ('-n', '--no-version',
98 help=_ ('do not add \\version command if missing'),
100 dest='skip_version_add',
103 p.add_option ("-s", '--show-rules',
104 help=_('print rules [default: --from=0, --to=@TOPLEVEL_VERSION@]'),
106 action='store_true', default=False)
108 p.add_option ('-t', '--to',
109 help=_('convert to VERSION [default: @TOPLEVEL_VERSION@]'),
110 metavar=_('VERSION'),
115 p.add_option_group ('bugs',
116 description='''Report bugs via http://post.gmane.org/post.php'''
117 '''?group=gmane.comp.gnu.lilypond.bugs\n''')
123 def str_to_tuple (s):
124 return tuple (map (int, string.split (s, '.')))
127 return string.join (map (lambda x: '%s' % x, list (t)), '.')
129 def version_cmp (t1, t2):
135 def get_conversions (from_version, to_version):
136 def is_applicable (v, f = from_version, t = to_version):
137 return version_cmp (v[0], f) > 0 and version_cmp (v[0], t) <= 0
138 return filter (is_applicable, conversions)
140 def latest_version ():
141 return conversions[-1][0]
143 def show_rules (file, from_version, to_version):
144 for x in conversions:
145 if (not from_version or x[0] > from_version) \
146 and (not to_version or x[0] <= to_version):
147 file.write ('%s: %s\n' % (tup_to_str (x[0]), x[2]))
149 def do_conversion (str, from_version, to_version):
150 """Apply conversions from FROM_VERSION to TO_VERSION. Return
151 tuple (LAST,STR), with the last succesful conversion and the resulting
153 conv_list = get_conversions (from_version, to_version)
156 error_file.write (_ ("Applying conversion: "))
161 error_file.write (tup_to_str (x[0]))
162 if x != conv_list[-1]:
163 error_file.write (', ')
165 last_conversion = x[0]
167 except FatalConversionError:
168 error_file.write (_ ("error while converting"))
169 error_file.write ('\n')
170 error_file.write (_ ("Aborting"))
171 error_file.write ('\n')
175 return (last_conversion, str)
179 def guess_lilypond_version (filename):
180 s = open (filename).read ()
181 m = lilypond_version_re.search (s)
187 class FatalConversionError:
190 class UnknownVersion:
193 def do_one_file (infile_name):
194 sys.stderr.write (_ ("Processing `%s\'... ") % infile_name)
195 sys.stderr.write ('\n')
199 if global_options.from_version:
200 from_version = global_options.from_version
202 guess = guess_lilypond_version (infile_name)
204 raise UnknownVersion ()
205 from_version = str_to_tuple (guess)
207 if global_options.to_version:
208 to_version = global_options.to_version
210 to_version = latest_version ()
214 infile = open (infile_name, 'r')
219 (last, result) = do_conversion (infile.read (), from_version, to_version)
223 newversion = r'\version "%s"' % tup_to_str (last)
224 if lilypond_version_re.search (result):
225 result = re.sub (lilypond_version_re_str,
226 '\\' + newversion, result)
228 result = newversion + '\n' + result
230 error_file.write ('\n')
232 if global_options.edit:
234 os.remove(infile_name + '~')
237 os.rename (infile_name, infile_name + '~')
238 outfile = open (infile_name, 'w')
243 outfile.write (result)
248 opt_parser = get_option_parser()
249 (options, args) = opt_parser.parse_args ()
252 if options.from_version:
253 options.from_version = str_to_tuple (options.from_version)
254 if options.to_version:
255 options.to_version = str_to_tuple (options.to_version)
257 options.outfile_name = ''
258 global global_options
259 global_options = options
261 if not args and not options.show_rules:
262 opt_parser.print_help ()
268 files = do_options ()
270 # should parse files[] to read \version?
271 if global_options.show_rules:
272 show_rules (sys.stdout, global_options.from_version, global_options.to_version)
275 identify (sys.stderr)
280 elif not os.path.isfile (f):
281 error (_ ("can't open file: `%s'") % f)
287 except UnknownVersion:
288 error (_ ("can't determine version for `%s'. Skipping") % f)
290 sys.stderr.write ('\n')