3 # convert-ly.py -- Update old LilyPond input files (fix name?)
5 # source file of the GNU LilyPond music typesetter
7 # (c) 1998--2005 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@'
22 if os.environ.has_key ('LILYPONDPREFIX'):
23 datadir = os.environ['LILYPONDPREFIX']
24 while datadir[-1] == os.sep:
27 sys.path.insert (0, os.path.join (datadir, 'python'))
34 from convertrules import *
38 '''Update LilyPond input to newer version. By default, update from the
39 version taken from the \\version command, to the current LilyPond version.
44 convert-ly --from=2.3.28 --to 2.5.21 foobar.ly
47 copyright = ('Jan Nieuwenhuizen <janneke@gnu.org>',
48 'Han-Wen Nienhuys <hanwen@cs.uu.nl>')
50 option_definitions = [
51 ('', 'e', 'edit',_('edit in place')),
52 (_('VERSION'), 'f', 'from',
53 _('start from VERSION [default: \\version found in file]')),
54 ('', 'h', 'help',_('print this help')),
55 ('', 'n', 'no-version',_ ('do not add \\version command if missing')),
56 ('','s', 'show-rules', _('print rules [default: --from=0, --to=@TOPLEVEL_VERSION@]')),
57 (_('VERSION'), 't', 'to',_('convert to VERSION [default: @TOPLEVEL_VERSION@]')),
58 ('','v','version',_('print program version"'))
61 program_name = os.path.basename (sys.argv[0])
62 program_version = '@TOPLEVEL_VERSION@'
67 return tuple (map (string.atoi, string.split (s, '.')))
70 return string.join (map (lambda x: '%s' % x, list (t)), '.')
72 def version_cmp (t1, t2):
78 def get_conversions (from_version, to_version):
79 def is_applicable (v, f = from_version, t = to_version):
80 return version_cmp (v[0], f) > 0 and version_cmp (v[0], t) <= 0
81 return filter (is_applicable, conversions)
83 def latest_version ():
84 return conversions[-1][0]
86 def show_rules (file, from_version, to_version):
88 if (not from_version or x[0] > from_version) \
89 and (not to_version or x[0] <= to_version):
90 file.write ('%s: %s\n' % (tup_to_str (x[0]), x[2]))
92 def do_conversion (str, from_version, to_version):
93 """Apply conversions from FROM_VERSION to TO_VERSION. Return
94 tuple (LAST,STR), with the last succesful conversion and the resulting
96 conv_list = get_conversions (from_version, to_version)
99 error_file.write (_ ("Applying conversion: "))
104 error_file.write (tup_to_str (x[0]))
105 if x != conv_list[-1]:
106 error_file.write (', ')
108 last_conversion = x[0]
110 except FatalConversionError:
111 error_file.write (_ ("error while converting"))
112 error_file.write ('\n')
113 error_file.write (_ ("Aborting"))
114 error_file.write ('\n')
118 return (last_conversion, str)
122 def guess_lilypond_version (filename):
123 s = open (filename).read ()
124 m = lilypond_version_re.search (s)
130 class FatalConversionError:
133 class UnknownVersion:
136 def do_one_file (infile_name):
137 sys.stderr.write (_ ("Processing `%s\'... ") % infile_name)
138 sys.stderr.write ('\n')
141 outfile_name = infile_name + '.NEW'
142 elif __main__.outfile_name:
143 outfile_name = __main__.outfile_name
145 if __main__.from_version:
146 from_version = __main__.from_version
148 guess = guess_lilypond_version (infile_name)
150 raise UnknownVersion ()
151 from_version = str_to_tuple (guess)
153 if __main__.to_version:
154 to_version = __main__.to_version
156 to_version = latest_version ()
160 infile = open (infile_name, 'r')
165 (last, result) = do_conversion (infile.read (), from_version, to_version)
170 newversion = r'\version "%s"' % tup_to_str (last)
171 if lilypond_version_re.search (result):
172 result = re.sub (lilypond_version_re_str,
173 '\\' + newversion, result)
175 result = newversion + '\n' + result
177 error_file.write ('\n')
181 os.remove(infile_name + '~')
184 os.rename (infile_name, infile_name + '~')
185 outfile = open (infile_name, 'w')
190 outfile.write (result)
201 global from_version, to_version, edit, show_rules_p, add_version
203 (sh, long) = ly.getopt_args (option_definitions)
205 (options, files) = getopt.getopt (sys.argv[1:], sh, long)
206 except getopt.error, s:
207 sys.stderr.write ('\n')
208 ly.error (_ ("getopt says: `%s'" % s))
209 sys.stderr.write ('\n')
217 if o == '--help' or o == '-h':
220 elif o == '--version' or o == '-v':
221 ly.identify (sys.stdout)
223 elif o== '--from' or o=='-f':
224 from_version = str_to_tuple (a)
225 elif o== '--to' or o=='-t':
226 to_version = str_to_tuple (a)
227 elif o== '--edit' or o == '-e':
229 elif o== '--show-rules' or o == '-s':
231 elif o == '--no-version' or o == '-n':
241 files = do_options ()
243 # should parse files[] to read \version?
245 show_rules (sys.stdout, from_version, to_version)
248 ly.identify (sys.stderr)
257 elif not os.path.isfile (f):
258 ly.error (_ ("can't open file: `%s'") % f)
264 except UnknownVersion:
265 ly.error (_ ("can't determine version for `%s'. Skipping") % f)
267 sys.stderr.write ('\n')