/usr/share/lilypond/2.18.2/python/lilylib.py is in lilypond-data 2.18.2-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# 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 __main__
import glob
import os
import re
import shutil
import sys
import optparse
import time
################################################################
# Users of python modules should include this snippet
# and customize variables below.
# Python 2.5 only accepts strings with proper Python internal encoding
# (i.e. ASCII or Unicode) when writing to stdout/stderr, so we must
# use ugettext iso gettext, and encode the string when writing to
# stdout/stderr
localedir = '/usr/share/locale'
try:
import gettext
t = gettext.translation ('lilypond', localedir)
_ = t.ugettext
ungettext = t.ungettext
except:
def _ (s):
return s
def ungettext (s, p, n):
if n == 1:
return s
return p
underscore = _
# Urg, Python 2.4 does not define stderr/stdout encoding
# Maybe guess encoding from LANG/LC_ALL/LC_CTYPE?
reload (sys)
sys.setdefaultencoding ('utf-8')
import codecs
sys.stdout = codecs.getwriter ('utf8') (sys.stdout)
sys.stderr = codecs.getwriter ('utf8') (sys.stderr)
def encoded_write(f, s):
f.write (s.encode (f.encoding or 'utf-8', 'replace'))
# ugh, Python 2.5 optparse requires Unicode strings in some argument
# functions, and refuse them in some other places
def display_encode (s):
return s.encode (sys.stderr.encoding or 'utf-8', 'replace')
# Lilylib globals.
program_version = '2.18.2'
program_name = os.path.basename (sys.argv[0])
# Check if program_version contains @ characters. This will be the case if
# the .py file is called directly while building the lilypond documentation.
# If so, try to check for the env var LILYPOND_VERSION, which is set by our
# makefiles and use its value.
at_re = re.compile (r'@')
if at_re.match (program_version):
if os.environ.has_key('LILYPOND_VERSION'):
program_version = os.environ['LILYPOND_VERSION']
else:
program_version = "unknown"
# Logging framework: We have the following output functions:
# error
# warning
# progress
# debug
loglevels = {"NONE":0, "ERROR":1, "WARN":2, "BASIC":3, "PROGRESS":4, "INFO":5, "DEBUG":6}
loglevel = loglevels["PROGRESS"]
def set_loglevel (l):
global loglevel
newlevel = loglevels.get (l, -1)
if newlevel > 0:
debug_output (_ ("Setting loglevel to %s") % l)
loglevel = newlevel
else:
error (_ ("Unknown or invalid loglevel '%s'") % l)
def handle_loglevel_option (option, opt_str, value, parser, *args):
if value:
set_loglevel (value);
elif args:
set_loglevel (args[0]);
def is_loglevel (l):
global loglevel
return loglevel >= loglevels[l];
def is_verbose ():
return is_loglevel ("DEBUG")
def stderr_write (s):
encoded_write (sys.stderr, s)
def print_logmessage (level, s, fullmessage = True, newline = True):
if (is_loglevel (level)):
if fullmessage:
stderr_write (program_name + ": " + s + '\n')
elif newline:
stderr_write (s + '\n')
else:
stderr_write (s)
def error (s):
print_logmessage ("ERROR", _ ("error: %s") % s);
def warning (s):
print_logmessage ("WARN", _ ("warning: %s") % s);
def basic_progress (s):
print_logmessage ("BASIC", s);
def progress (s, fullmessage = False, newline = True):
print_logmessage ("PROGRESS", s, fullmessage, newline);
def debug_output (s, fullmessage = False, newline = True):
print_logmessage ("DEBUG", s, fullmessage, newline);
def require_python_version ():
if sys.hexversion < 0x02040000:
error ("Python 2.4 or newer is required to run this program.\n\
Please upgrade Python from http://python.org/download/, and if you use MacOS X,\n\
please read 'Setup for MacOS X' in Application Usage.")
os.system ("open http://python.org/download/")
sys.exit (2)
# A modified version of the commands.mkarg(x) that always uses
# double quotes (since Windows can't handle the single quotes)
# and escapes the characters \, $, ", and ` for unix shells.
def mkarg(x):
if os.name == 'nt':
return ' "%s"' % x
s = ' "'
for c in x:
if c in '\\$"`':
s = s + '\\'
s = s + c
s = s + '"'
return s
def command_name (cmd):
# Strip all stuf after command,
# deal with "((latex ) >& 1 ) .." too
cmd = re.match ('([\(\)]*)([^\\\ ]*)', cmd).group (2)
return os.path.basename (cmd)
def subprocess_system (cmd,
ignore_error=False,
progress_p=True,
be_verbose=False,
redirect_output=False,
log_file=None):
import subprocess
show_progress= progress_p
name = command_name (cmd)
error_log_file = ''
if redirect_output:
progress (_ ("Processing %s.ly") % log_file)
else:
if be_verbose:
show_progress = 1
progress (_ ("Invoking `%s\'") % cmd)
else:
progress ( _("Running %s...") % name)
stdout_setting = None
stderr_setting = None
if not show_progress:
stdout_setting = subprocess.PIPE
if redirect_output:
stderr_filename = log_file + '.log'
stderr_setting = open(stderr_filename, 'w')
proc = subprocess.Popen (cmd,
shell=True,
universal_newlines=True,
stdout=stdout_setting,
stderr=stderr_setting)
log = ''
if redirect_output:
while proc.poll()==None:
time.sleep(0.01)
retval = proc.returncode
stderr_setting.close()
else:
if show_progress:
retval = proc.wait()
else:
log = proc.communicate ()
retval = proc.returncode
if retval:
print >>sys.stderr, 'command failed:', cmd
if retval < 0:
print >>sys.stderr, "Child was terminated by signal", -retval
elif retval > 0:
print >>sys.stderr, "Child returned", retval
if ignore_error:
print >>sys.stderr, "Error ignored by lilylib"
else:
if not show_progress:
print log[0]
print log[1]
sys.exit (1)
return abs (retval)
def ossystem_system (cmd,
ignore_error=False,
progress_p=True,
be_verbose=False,
redirect_output=False,
log_file=None):
name = command_name (cmd)
if be_verbose:
show_progress = 1
progress (_ ("Invoking `%s\'") % cmd)
else:
progress ( _("Running %s...") % name)
retval = os.system (cmd)
if retval:
print >>sys.stderr, 'command failed:', cmd
if retval < 0:
print >>sys.stderr, "Child was terminated by signal", -retval
elif retval > 0:
print >>sys.stderr, "Child returned", retval
if ignore_error:
print >>sys.stderr, "Error ignored"
else:
sys.exit (1)
return abs (retval)
system = subprocess_system
if sys.platform == 'mingw32':
## subprocess x-compile doesn't work.
system = ossystem_system
def strip_extension (f, ext):
(p, e) = os.path.splitext (f)
if e == ext:
e = ''
return p + e
def search_exe_path (name):
p = os.environ['PATH']
exe_paths = p.split (':')
for e in exe_paths:
full = os.path.join (e, name)
if os.path.exists (full):
return full
return None
def print_environment ():
for (k,v) in os.environ.items ():
sys.stderr.write ("%s=\"%s\"\n" % (k, v))
class NonDentedHeadingFormatter (optparse.IndentedHelpFormatter):
def format_heading(self, heading):
if heading:
return heading[0].upper() + heading[1:] + ':\n'
return ''
def format_option_strings(self, option):
sep = ' '
if option._short_opts and option._long_opts:
sep = ','
metavar = ''
if option.takes_value():
metavar = '=%s' % option.metavar or option.dest.upper()
return "%3s%s %s%s" % (" ".join (option._short_opts),
sep,
" ".join (option._long_opts),
metavar)
# Only use one level of indentation (even for groups and nested groups),
# since we don't indent the headeings, either
def indent(self):
self.current_indent = self.indent_increment
self.level += 1
def dedent(self):
self.level -= 1
if self.level <= 0:
self.current_indent = ''
self.level = 0;
def format_usage(self, usage):
return _("Usage: %s") % usage + '\n'
def format_description(self, description):
return description
class NonEmptyOptionParser (optparse.OptionParser):
"A subclass of OptionParser that gobbles empty string arguments."
def parse_args (self, args=None, values=None):
options, args = optparse.OptionParser.parse_args (self, args, values)
return options, filter (None, args)
def get_option_parser (*args, **kwargs):
p = NonEmptyOptionParser (*args, **kwargs)
p.formatter = NonDentedHeadingFormatter ()
p.formatter.set_parser (p)
return p
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