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#!/usr/bin/env python3
# -*- coding: utf8 -*-
# :Copyright: © 2020 Günter Milde.
# :License: Released under the terms of the `2-Clause BSD license`_, in short:
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.
# This file is offered as-is, without any warranty.
#
# .. _2-Clause BSD license: https://opensource.org/licenses/BSD-2-Clause
#
# Revision: $Revision$
# Date: $Date$
"""
A generic front end to the Docutils Publisher.
"""
try:
import locale # module missing in Jython
locale.setlocale(locale.LC_ALL, '')
except locale.Error:
pass
import argparse
import sys
from docutils.core import publish_cmdline, default_description
from docutils.utils import SystemMessage
from docutils.frontend import ConfigParser, OptionParser
config_section = 'docutils-cli application'
def config_settings_from_files():
"""Return dict with default settings for the docutils-cli front end.
Read default values for the three docutils-cli options from the
[docutils-cli application] section in standard configuration files.
Command-line options are defined separately, using the "argparse" module
to allow two-stage parsing of the command line.
"""
settings = {'reader': 'standalone',
'parser': 'rst',
'writer': 'html5'
}
option_parser = OptionParser()
config_parser = ConfigParser()
config_files = option_parser.get_standard_config_files()
config_parser.read(config_files, option_parser)
settings.update(config_parser.get_section(config_section))
return settings
default_settings = config_settings_from_files()
description = u'Generate documents from reStructuredText or Markdown sources.'
epilog = (u'The availability of some options depends on the selected '
u'components, the list below adapts to your selection.'
)
parser = argparse.ArgumentParser(add_help=False,
description=description, epilog=epilog,
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--reader', choices=('standalone', 'pep'),
help=u'reader name',
default=default_settings['reader'])
parser.add_argument('--parser', choices=('markdown', 'recommonmark', 'rst'),
help=u'parser name',
default=default_settings['parser'])
parser.add_argument('--writer',
# choices=('html', 'html4', 'html5', 'latex', 'xelatex',
# 'odt', 'xml', 'pseudoxml', 'manpage',
# 'pep_html', 's5_html'),
help=u'writer name',
default=default_settings['writer'])
(args, remainder) = parser.parse_known_args()
if '-h' in sys.argv or '--help' in sys.argv:
print(parser.format_help())
print('')
try:
publish_cmdline(reader_name=args.reader,
parser_name=args.parser,
writer_name=args.writer,
config_section=config_section,
description=default_description,
argv=remainder)
except ImportError as error:
print(parser.format_help())
print('ImportError:', error)
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