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06689b8d11
The name of the helper didn't match the name of the meson target, which was always confusing me. With this change, we consistenly use "update" to re-generate things which we otherwise keep in vc, and "make" for things which are generated during each build.
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 os.path
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import pprint
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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 xml(file):
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return os.path.basename(file)
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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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rules = create_rules(pages)
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dist_files = (xml(file) for file in pages
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if not file.endswith(".directives.xml") and
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not file.endswith(".index.xml"))
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print(make_mesonfile(rules, dist_files))
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