/usr/bin/convert-ly is in lilypond 2.16.2-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# convert-ly.py -- Update old LilyPond input files (fix name?)
# converting rules are found in python/convertrules.py
# This file is part of LilyPond, the GNU music typesetter.
#
# Copyright (C) 1998--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
# Jan Nieuwenhuizen <janneke@gnu.org>
#
# LilyPond is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# LilyPond is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import re
"""
This generic code used for all python scripts.
The quotes are to ensure that the source .py file can still be
run as a python script, but does not include any sys.path handling.
Otherwise, the lilypond-book calls inside the build
might modify installed .pyc files.
"""
for d in ['/usr/share/lilypond/2.16.2',
'/usr/lib/x86_64-linux-gnu/lilypond/2.16.2']:
sys.path.insert (0, os.path.join (d, 'python'))
# dynamic relocation, for GUB binaries.
bindir = os.path.abspath (os.path.dirname (sys.argv[0]))
for p in ['share', 'lib']:
datadir = os.path.abspath (bindir + '/../%s/lilypond/current/python/' % p)
sys.path.insert (0, datadir)
"""
"""
import lilylib as ly
global _;_=ly._
ly.require_python_version ()
import convertrules
lilypond_version_re_str = '\\\\version *\"([0-9.]+)"'
lilypond_version_re = re.compile (lilypond_version_re_str)
lilypond_version_strict_re_str = '\\\\version *\"([0-9]+[.][0-9]+[.][0-9]+)"'
lilypond_version_strict_re = re.compile (lilypond_version_strict_re_str)
help_summary = (
_ ('''Update LilyPond input to newer version. By default, update from the
version taken from the \\version command, to the current LilyPond version.''')
+ _ ("Examples:")
+ '''
$ convert-ly -e old.ly
$ convert-ly --from=2.3.28 --to=2.5.21 foobar.ly > foobar-new.ly
''')
copyright = ('Jan Nieuwenhuizen <janneke@gnu.org>',
'Han-Wen Nienhuys <hanwen@xs4all.nl>')
program_name = os.path.basename (sys.argv[0])
program_version = '2.16.2'
authors = ('Jan Nieuwenhuizen <janneke@gnu.org>',
'Han-Wen Nienhuys <hanwen@xs4all.nl>')
def identify ():
ly.progress ('%s (GNU LilyPond) %s\n' % (program_name, program_version))
def warranty ():
identify ()
ly.encoded_write (sys.stdout, '''
%s
%s
%s
%s
''' % ( _ ('Copyright (c) %s by') % '2001--2012',
' '.join (authors),
_ ('Distributed under terms of the GNU General Public License.'),
_ ('It comes with NO WARRANTY.')))
def get_option_parser ():
p = ly.get_option_parser (usage=_ ("%s [OPTION]... FILE") % 'convert-ly',
description=help_summary,
add_help_option=False)
p.version="2.16.2"
p.add_option("--version",
action="version",
help=_ ("show version number and exit"))
p.add_option("-h", "--help",
action="help",
help=_ ("show this help and exit"))
p.add_option ('-f', '--from',
action="store",
metavar=_ ("VERSION"),
dest="from_version",
help=_ ("start from VERSION [default: \\version found in file]"),
default='')
p.add_option ('-e', '--edit', help=_ ("edit in place"),
action='store_true')
p.add_option ("-l", "--loglevel",
help=_ ("Print log messages according to LOGLEVEL "
"(NONE, ERROR, WARNING, PROGRESS (default), DEBUG)"),
metavar=_ ("LOGLEVEL"),
action='callback',
callback=ly.handle_loglevel_option,
type='string')
p.add_option ('-n', '--no-version',
help=_ ("do not add \\version command if missing"),
action='store_true',
dest='skip_version_add',
default=False)
p.add_option ('-c', '--current-version',
help=_ ("force updating \\version number to %s") % program_version,
action='store_true',
dest='force_current_version',
default=False)
p.add_option ('-d', '--diff-version-update',
help=_ ("only update \\version number if file is modified"),
action='store_true',
dest='diff_version_update',
default=False)
p.add_option ("-s", '--show-rules',
help=_ ("show rules [default: -f 0, -t %s]") % program_version,
dest='show_rules',
action='store_true', default=False)
p.add_option ('-t', '--to',
help=_ ("convert to VERSION [default: %s]") % program_version,
metavar=_ ('VERSION'),
action='store',
dest="to_version",
default='')
p.add_option ('-w', '--warranty', help=_ ("show warranty and copyright"),
action='store_true',
),
p.add_option_group ('',
description=(
_ ("Report bugs via %s")
% 'http://post.gmane.org/post.php'
'?group=gmane.comp.gnu.lilypond.bugs') + '\n')
return p
def str_to_tuple (s):
return tuple ([int(n) for n in s.split ('.')])
def tup_to_str (t):
return '.'.join (['%s' % x for x in t])
def version_cmp (t1, t2):
for x in [0, 1, 2]:
if t1[x] - t2[x]:
return t1[x] - t2[x]
return 0
def get_conversions (from_version, to_version):
def is_applicable (v, f = from_version, t = to_version):
return version_cmp (v[0], f) > 0 and version_cmp (v[0], t) <= 0
return filter (is_applicable, convertrules.conversions)
def latest_version ():
return convertrules.conversions[-1][0]
def show_rules (file, from_version, to_version):
for x in convertrules.conversions:
if (not from_version or x[0] > from_version) \
and (not to_version or x[0] <= to_version):
ly.encoded_write (file, '%s: %s\n' % (tup_to_str (x[0]), x[2]))
def do_conversion (str, from_version, to_version):
"""Apply conversions from FROM_VERSION to TO_VERSION. Return
tuple (LAST,STR), with the last successful conversion and the resulting
string."""
conv_list = get_conversions (from_version, to_version)
ly.progress (_ ("Applying conversion: "), newline = False)
last_conversion = ()
try:
if not conv_list:
last_conversion = to_version
for x in conv_list:
if x != conv_list[-1]:
ly.progress (tup_to_str (x[0]), newline = False)
ly.progress (', ', newline = False)
else:
ly.progress (tup_to_str (x[0]))
str = x[1] (str)
last_conversion = x[0]
except convertrules.FatalConversionError:
ly.error (_ ("Error while converting")
+ '\n'
+ _ ("Stopping at last successful rule"))
return (last_conversion, str)
def guess_lilypond_version (input):
m = lilypond_version_strict_re.search (input)
if m:
return m.group (1)
m = lilypond_version_re.search (input)
if m:
raise InvalidVersion (m.group (1))
else:
return ''
class FatalConversionError (Exception):
pass
class UnknownVersion (Exception):
pass
class InvalidVersion (Exception):
def __init__ (self, version):
self.version = version
def do_one_file (infile_name):
ly.progress (_ ("Processing `%s\'... ") % infile_name, True)
if infile_name:
infile = open (infile_name, 'r')
input = infile.read ()
infile.close ()
else:
input = sys.stdin.read ()
from_version = None
to_version = None
if global_options.from_version:
from_version = global_options.from_version
else:
guess = guess_lilypond_version (input)
if not guess:
raise UnknownVersion ()
from_version = str_to_tuple (guess)
if global_options.to_version:
to_version = global_options.to_version
else:
to_version = latest_version ()
if len (from_version) != 3:
raise InvalidVersion (".".join ([str(n) for n in from_version]))
(last, result) = do_conversion (input, from_version, to_version)
if last:
if global_options.force_current_version and last == to_version:
last = str_to_tuple (program_version)
if global_options.diff_version_update:
if result == input:
# check the y in x.y.z (minor version number)
previous_stable = (last[0], 2*(last[1]/2), 0)
if ((last[0:2] != from_version[0:2]) and
(previous_stable > from_version)):
# previous stable version
last = previous_stable
else:
# make no (actual) change to the version number
last = from_version
newversion = r'\version "%s"' % tup_to_str (last)
if lilypond_version_re.search (result):
result = re.sub (lilypond_version_re_str,
'\\' + newversion, result)
elif not global_options.skip_version_add:
result = newversion + '\n' + result
ly.progress ('\n')
if global_options.edit:
try:
os.remove(infile_name + '~')
except:
pass
os.rename (infile_name, infile_name + '~')
outfile = open (infile_name, 'w')
else:
outfile = sys.stdout
outfile.write (result)
sys.stderr.flush ()
def do_options ():
opt_parser = get_option_parser()
(options, args) = opt_parser.parse_args ()
if options.warranty:
warranty ()
sys.exit (0)
if options.from_version:
options.from_version = str_to_tuple (options.from_version)
if options.to_version:
options.to_version = str_to_tuple (options.to_version)
options.outfile_name = ''
global global_options
global_options = options
if not args and not options.show_rules:
opt_parser.print_help ()
sys.exit (2)
return args
def main ():
files = do_options ()
# should parse files[] to read \version?
if global_options.show_rules:
show_rules (sys.stdout, global_options.from_version, global_options.to_version)
sys.exit (0)
identify ()
for f in files:
if f == '-':
f = ''
elif not os.path.isfile (f):
ly.error (_ ("%s: Unable to open file") % f)
if len (files) == 1:
sys.exit (1)
continue
try:
do_one_file (f)
except UnknownVersion:
ly.error (_ ("%s: Unable to determine version. Skipping") % f)
except InvalidVersion:
# Compat code for 2.x and 3.0 syntax ("except .. as v" doesn't
# work in python 2.4!):
t, v, b = sys.exc_info ()
ly.error (_ ("%s: Invalid version string `%s' \n"
"Valid version strings consist of three numbers, "
"separated by dots, e.g. `2.8.12'") % (f, v.version) )
main ()
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