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#!/usr/bin/env python3
# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
# SPDX-License-Identifier: LGPL-2.1+
#
# This file is part of systemd.
#
# Copyright 2013, 2017 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 collections
import sys
import os.path
import pprint
from xml_helper import xml_parse
def man(page, number):
return '{}.{}'.format(page, number)
def xml(file):
return os.path.basename(file)
def add_rules(rules, name):
xml = xml_parse(name)
# print('parsing {}'.format(name), file=sys.stderr)
if xml.getroot().tag != 'refentry':
return
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:
try:
add_rules(rules, name)
except Exception:
print("Failed to process", name, file=sys.stderr)
raise
return rules
def mjoin(files):
return ' \\\n\t'.join(sorted(files) or '#')
MESON_HEADER = '''\
# Do not edit. Generated by make-man-rules.py.
manpages = ['''
MESON_FOOTER = '''\
]
# Really, do not edit.'''
def make_mesonfile(rules, dist_files):
# reformat rules as
# grouped = [ [name, section, [alias...], condition], ...]
#
# but first create a dictionary like
# lists = { (name, condition) => [alias...]
grouped = collections.defaultdict(list)
for condition, items in rules.items():
for alias, name in items.items():
group = grouped[(name, condition)]
if name != alias:
group.append(alias)
lines = [ [p[0][:-2], p[0][-1], sorted(a[:-2] for a in aliases), p[1]]
for p, aliases in sorted(grouped.items()) ]
return '\n'.join((MESON_HEADER, pprint.pformat(lines)[1:-1], MESON_FOOTER))
if __name__ == '__main__':
pages = sys.argv[1:]
rules = create_rules(pages)
dist_files = (xml(file) for file in pages
if not file.endswith(".directives.xml") and
not file.endswith(".index.xml"))
print(make_mesonfile(rules, dist_files))
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