mirror of
https://github.com/systemd/systemd.git
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a2095c0698
When directives-template.xml was created in 282230882c,
this generator started picking it up. Let's filter it out properly again,
and also simply the filter while at it.
87 lines
2.7 KiB
Python
Executable File
87 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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# SPDX-License-Identifier: LGPL-2.1+
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from __future__ import print_function
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import collections
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import sys
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import pprint
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from os.path import basename
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from xml_helper import xml_parse
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def man(page, number):
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return '{}.{}'.format(page, number)
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def add_rules(rules, name):
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xml = xml_parse(name)
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# print('parsing {}'.format(name), file=sys.stderr)
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if xml.getroot().tag != 'refentry':
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return
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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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try:
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add_rules(rules, name)
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except Exception:
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print("Failed to process", name, file=sys.stderr)
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raise
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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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MESON_HEADER = '''\
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# Do not edit. Generated by update-man-rules.py.
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# Update with:
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# ninja -C build man/update-man-rules
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manpages = ['''
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MESON_FOOTER = '''\
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]
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# Really, do not edit.'''
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def make_mesonfile(rules, dist_files):
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# reformat rules as
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# grouped = [ [name, section, [alias...], condition], ...]
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#
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# but first create a dictionary like
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# lists = { (name, condition) => [alias...]
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grouped = collections.defaultdict(list)
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for condition, items in rules.items():
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for alias, name in items.items():
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group = grouped[(name, condition)]
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if name != alias:
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group.append(alias)
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lines = [ [p[0][:-2], p[0][-1], sorted(a[:-2] for a in aliases), p[1]]
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for p, aliases in sorted(grouped.items()) ]
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return '\n'.join((MESON_HEADER, pprint.pformat(lines)[1:-1], MESON_FOOTER))
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if __name__ == '__main__':
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pages = sys.argv[1:]
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pages = (p for p in pages
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if basename(p) not in {
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'systemd.directives.xml',
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'systemd.index.xml',
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'directives-template.xml'})
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rules = create_rules(pages)
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dist_files = (basename(p) for p in pages)
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print(make_mesonfile(rules, dist_files))
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