mirror of
https://github.com/systemd/systemd.git
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114 lines
3.5 KiB
Python
114 lines
3.5 KiB
Python
# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
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#
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# This file is part of systemd.
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#
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# Copyright 2013 Zbigniew Jędrzejewski-Szmek
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# systemd is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with systemd; If not, see <http://www.gnu.org/licenses/>.
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from __future__ import print_function
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import xml.etree.ElementTree as tree
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import collections
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import sys
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import os
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SECTION = '''\
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MANPAGES += \\
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{manpages}
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MANPAGES_ALIAS += \\
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{aliases}
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{rules}
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{htmlrules}
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'''
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CONDITIONAL = '''\
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if {conditional}
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''' \
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+ SECTION + \
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'''\
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endif
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'''
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HEADER = '''\
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# Do not edit. Generated by make-man-rules.py.
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# Regenerate with 'make all update-man-list'.
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'''
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CLEANFILES = '''\
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CLEANFILES += \\
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{cleanfiles}
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'''
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HTML_ALIAS_RULE = '''\
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{}.html: {}.html
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$(html-alias)
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'''
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def man(page, number):
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return 'man/{}.{}'.format(page, number)
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def add_rules(rules, name):
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xml = tree.parse(name)
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# print('parsing {}'.format(name), file=sys.stderr)
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conditional = xml.getroot().get('conditional') or ''
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rulegroup = rules[conditional]
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refmeta = xml.find('./refmeta')
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title = refmeta.find('./refentrytitle').text
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number = refmeta.find('./manvolnum').text
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refnames = xml.findall('./refnamediv/refname')
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target = man(refnames[0].text, number)
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if title != refnames[0].text:
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raise ValueError('refmeta and refnamediv disagree: ' + name)
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for refname in refnames:
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assert all(refname not in group
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for group in rules.values()), "duplicate page name"
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alias = man(refname.text, number)
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rulegroup[alias] = target
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# print('{} => {} [{}]'.format(alias, target, conditional), file=sys.stderr)
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def create_rules(*xml_files):
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" {conditional => {alias-name => source-name}} "
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rules = collections.defaultdict(dict)
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for name in xml_files:
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add_rules(rules, name)
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return rules
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def mjoin(files):
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return ' \\\n\t'.join(sorted(files) or '#')
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def make_makefile(rules, cleanfiles):
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return HEADER + '\n'.join(
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(CONDITIONAL if conditional else SECTION).format(
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manpages=mjoin(set(rulegroup.values())),
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aliases=mjoin(k for k,v in rulegroup.items() if k != v),
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rules='\n'.join('{}: {}'.format(k,v)
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for k,v in sorted(rulegroup.items())
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if k != v),
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htmlrules='\n'.join(HTML_ALIAS_RULE.format(k[:-2],v[:-2])
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for k,v in sorted(rulegroup.items())
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if k != v),
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conditional=conditional)
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for conditional,rulegroup in sorted(rules.items())) + \
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CLEANFILES.format(cleanfiles=mjoin(cleanfiles))
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if __name__ == '__main__':
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sources = set(sys.argv[1:])
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basenames = [os.path.basename(source) for source in sources]
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spares = set([source for source in sources
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if os.path.basename(source) + '.in' in basenames])
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rules = create_rules(*(sources - spares))
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print(make_makefile(rules, spares), end='')
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