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# This file is part of LilyPond, the GNU music typesetter.
#
# Copyright (C) 1998--2022 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 codecs
import gettext
import optparse
import os
import sys
sys.stdin = codecs.getreader('utf-8')(sys.stdin.detach())
sys.stdout = codecs.getwriter('utf-8')(sys.stdout.detach())
sys.stderr = codecs.getwriter('utf-8')(sys.stderr.detach())
# Lilylib globals.
program_name = os.path.basename(sys.argv[0])
# Logging framework: We have the following output functions:
# error
# warning
# progress
# debug
# TODO: use the standard logging module
_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 _print_logmessage(level, s, fullmessage=True, newline=True):
if _is_loglevel(level):
if fullmessage:
s = program_name + ": " + s + "\n"
elif newline:
s += '\n'
sys.stderr.write(s)
sys.stderr.flush()
def error(s):
_print_logmessage("ERROR", _("error: %s") % s)
def warning(s):
_print_logmessage("WARN", _("warning: %s") % 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)
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 headings, 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
def get_option_parser(*args, **kwargs):
p = optparse.OptionParser(*args, **kwargs)
p.formatter = _NonDentedHeadingFormatter()
p.formatter.set_parser(p)
return p
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