/usr/bin/convert-ly is in lilypond 2.18.2-4.1.
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
import shutil
"""
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/2.18.2',
'/usr/lib/x86_64-linux-gnu/lilypond/2.18.2']:
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.''')
+ "\n"
+ _ ("If FILE is `-', read from standard input.")
+ "\n\n"
+ _ ("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 = '2.18.2'
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="2.18.2"
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 ('-b', '--backup-numbered',
help=_ ("make a numbered backup [default: filename.ext~]"),
action='store_true',
dest="backup_numbered",
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,LASTCHANGED,STR,ERRORS), with the last applied conversion,
the last conversion resulting in a change, the resulting
string and the number of errors."""
conv_list = get_conversions (from_version, to_version)
ly.progress (_ ("Applying conversion: "), newline = False)
last_conversion = None
last_change = None
errors = 0
try:
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]))
newstr = x[1] (str)
last_conversion = x[0]
if (newstr != str):
last_change = last_conversion
str = newstr
except convertrules.FatalConversionError:
ly.error (_ ("Error while converting")
+ '\n'
+ _ ("Stopping at last successful rule"))
errors += 1
return (last_conversion, last_change, str, errors)
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 back_up (file, numbered):
if numbered:
n = 0
while True:
n = n + 1
back_up = file + '.~' + str(n) + '~'
if not os.path.exists (back_up):
break
else:
back_up = file + '~'
shutil.copy2 (file, back_up)
return back_up
def do_one_file (infile_name):
ly.progress (_ (u"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, last_change, result, errors) = \
do_conversion (input, from_version, to_version)
if global_options.force_current_version and \
(last is None or last == to_version):
last = str_to_tuple (program_version)
if last:
if global_options.diff_version_update:
# Note that last_change can be set even if the result is
# the same if two conversion rules cancelled out
if result == input:
# make no (actual) change to the version number
last = from_version
else:
last = last_change
# If the last update was to an unstable version
# number, and the final update target is no longer in
# the same unstable series, we update to the stable
# series following the unstable version.
if last[1]%2: # unstable
next_stable = (last[0], last[1]+1, 0)
if next_stable <= to_version:
last = next_stable
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:
backup = back_up (infile_name, global_options.backup_numbered)
outfile = open (infile_name, 'w')
else:
outfile = sys.stdout
outfile.write (result)
sys.stderr.flush ()
return errors
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 ()
errors = 0
for f in files:
f = f.decode (sys.stdin.encoding or "utf-8")
if f == '-':
f = ''
elif not os.path.isfile (f):
ly.error (_ (u"%s: Unable to open file") % f)
errors += 1
continue
try:
errors += do_one_file (f)
except UnknownVersion:
ly.error (_ (u"%s: Unable to determine version. Skipping") % f)
errors += 1
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 (_ (u"%s: Invalid version string `%s' \n"
"Valid version strings consist of three numbers, "
"separated by dots, e.g. `2.8.12'") % (f, v.version) )
errors += 1
if errors:
ly.warning (ly.ungettext ("There was %d error.",
"There were %d errors.", errors) % errors)
sys.exit (1)
main ()
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