137 lines
4.5 KiB
Python
137 lines
4.5 KiB
Python
#
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# Copyright (c) 2012, 2013, 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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""" Automatically generate the man page from argparse"""
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import datetime
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import argparse
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from distutils.core import Command
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import os
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class BuildManpage(Command):
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user_options = []
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command_name = 'build_manpage'
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def initialize_options(self):
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self._output = self.distribution.get_name() + '.1'
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self._see_also = ["git:1"]
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self._today = datetime.date.today()
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self._commands = self._parser = None
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def finalize_options(self):
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from git_upstream import main
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self._commands, self._parser = main.get_parser()
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self._parser.formatter = ManPageFormatter()
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def _markup(self, txt):
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return txt.replace('-', '\\-')
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def _write_header(self):
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version = self.distribution.get_version()
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app_name = self.distribution.get_name()
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ret = list()
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ret.append('.TH %s 1 %s "%s v.%s"\n' % (self._markup(app_name),
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self._today.strftime(
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'%Y\\-%m\\-%d'),
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app_name, version))
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description = self.distribution.get_description()
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if description:
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name = self._markup('%s - %s' % (app_name,
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description.splitlines()[0]))
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else:
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name = app_name
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ret.append('.SH NAME\n%s\n' % name)
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synopsis = self._parser.format_help()
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if synopsis:
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synopsis = synopsis.replace('%s ' % app_name, '')
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ret.append('.SH SYNOPSIS\n.B %s\n%s\n' % (app_name,
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synopsis))
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long_desc = self.distribution.get_long_description()
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if long_desc:
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ret.append('.SH DESCRIPTION\n%s\n' % self._markup(long_desc))
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return ''.join(ret)
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def _write_options(self):
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ret = ['.SH OPTIONS\n']
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for command in self._commands.keys():
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ret.append('.BR %s\n\n' % command)
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ret.append(self._commands[command].format_help())
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ret.append('\n')
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return ''.join(ret)
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def _write_see_also(self):
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ret = []
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if self._see_also is not None:
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ret.append('.SH "SEE ALSO"\n')
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for i in self._see_also:
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name, sect = i.split(":")
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if len(ret) > 1:
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ret.append(',\n')
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ret.append('.BR %s (%s)' % (name, sect))
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return ''.join(ret)
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def _write_footer(self):
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ret = []
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app_name = self.distribution.get_name()
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author = '%s <%s>' % (self.distribution.get_author(),
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self.distribution.get_author_email())
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ret.append(('.SH AUTHORS\n.B %s\nwas written by %s.\n'
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% (self._markup(app_name), self._markup(author))))
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if os.path.exists('ACKNOWLEDGEMENTS'):
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acknowledgements = open('ACKNOWLEDGEMENTS', 'r').read()
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if acknowledgements != "":
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ret.append(('.SH ACKNOWLEDGEMENTS\n%s\n' % acknowledgements))
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return ''.join(ret)
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def run(self):
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manpage = list()
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manpage.append(self._write_header())
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manpage.append(self._write_options())
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manpage.append(self._write_footer())
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manpage.append(self._write_see_also())
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stream = open(self._output, 'w')
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stream.write(''.join(manpage))
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stream.close()
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class ManPageFormatter(argparse.ArgumentDefaultsHelpFormatter):
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def __init__(self,
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indent_increment=2,
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max_help_position=24,
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width=None,
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short_first=1):
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argparse.HelpFormatter.__init__(self, indent_increment,
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max_help_position, width, short_first)
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@staticmethod
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def _markup(txt):
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return txt.replace('-', '\\-')
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def format_usage(self, usage):
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return ManPageFormatter._markup(usage)
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