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# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
#
# This file is part of systemd.
#
# Copyright 2013 Zbigniew Jędrzejewski-Szmek
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# systemd 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <http://www.gnu.org/licenses/>.
from __future__ import print_function
import xml.etree.ElementTree as tree
import collections
import sys
import os
SECTION = '''\
MANPAGES += \\
{manpages}
MANPAGES_ALIAS += \\
{aliases}
{rules}
{htmlrules}
'''
CONDITIONAL = '''\
if {conditional}
''' \
+ SECTION + \
'''\
endif
'''
HEADER = '''\
# Do not edit. Generated by make-man-rules.py.
# Regenerate with 'make all update-man-list'.
'''
CLEANFILES = '''\
CLEANFILES += \\
{cleanfiles}
'''
HTML_ALIAS_RULE = '''\
{}.html: {}.html
$(html-alias)
'''
def man(page, number):
return 'man/{}.{}'.format(page, number)
def add_rules(rules, name):
xml = tree.parse(name)
# print('parsing {}'.format(name), file=sys.stderr)
conditional = xml.getroot().get('conditional') or ''
rulegroup = rules[conditional]
refmeta = xml.find('./refmeta')
title = refmeta.find('./refentrytitle').text
number = refmeta.find('./manvolnum').text
refnames = xml.findall('./refnamediv/refname')
target = man(refnames[0].text, number)
if title != refnames[0].text:
raise ValueError('refmeta and refnamediv disagree: ' + name)
for refname in refnames:
assert all(refname not in group
for group in rules.values()), "duplicate page name"
alias = man(refname.text, number)
rulegroup[alias] = target
# print('{} => {} [{}]'.format(alias, target, conditional), file=sys.stderr)
def create_rules(*xml_files):
" {conditional => {alias-name => source-name}} "
rules = collections.defaultdict(dict)
for name in xml_files:
add_rules(rules, name)
return rules
def mjoin(files):
return ' \\\n\t'.join(sorted(files) or '#')
def make_makefile(rules, cleanfiles):
return HEADER + '\n'.join(
(CONDITIONAL if conditional else SECTION).format(
manpages=mjoin(set(rulegroup.values())),
aliases=mjoin(k for k,v in rulegroup.items() if k != v),
rules='\n'.join('{}: {}'.format(k,v)
for k,v in sorted(rulegroup.items())
if k != v),
htmlrules='\n'.join(HTML_ALIAS_RULE.format(k[:-2],v[:-2])
for k,v in sorted(rulegroup.items())
if k != v),
conditional=conditional)
for conditional,rulegroup in sorted(rules.items())) + \
CLEANFILES.format(cleanfiles=mjoin(cleanfiles))
if __name__ == '__main__':
sources = set(sys.argv[1:])
basenames = [os.path.basename(source) for source in sources]
spares = set([source for source in sources
if os.path.basename(source) + '.in' in basenames])
rules = create_rules(*(sources - spares))
print(make_makefile(rules, spares), end='')
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