mirror of
https://github.com/systemd/systemd
synced 2024-11-05 18:25:39 +00:00
289 lines
9.5 KiB
Python
Executable file
289 lines
9.5 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
|
|
# SPDX-License-Identifier: LGPL-2.1+
|
|
|
|
import sys
|
|
import collections
|
|
import re
|
|
from xml_helper import xml_parse, xml_print, tree
|
|
from copy import deepcopy
|
|
|
|
TEMPLATE = '''\
|
|
<refentry id="systemd.directives" conditional="HAVE_PYTHON">
|
|
|
|
<refentryinfo>
|
|
<title>systemd.directives</title>
|
|
<productname>systemd</productname>
|
|
</refentryinfo>
|
|
|
|
<refmeta>
|
|
<refentrytitle>systemd.directives</refentrytitle>
|
|
<manvolnum>7</manvolnum>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>systemd.directives</refname>
|
|
<refpurpose>Index of configuration directives</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsect1>
|
|
<title>Unit directives</title>
|
|
|
|
<para>Directives for configuring units, used in unit
|
|
files.</para>
|
|
|
|
<variablelist id='unit-directives' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Options on the kernel command line</title>
|
|
|
|
<para>Kernel boot options for configuring the behaviour of the
|
|
systemd process.</para>
|
|
|
|
<variablelist id='kernel-commandline-options' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Environment variables</title>
|
|
|
|
<para>Environment variables understood by the systemd
|
|
manager and other programs.</para>
|
|
|
|
<variablelist id='environment-variables' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>UDEV directives</title>
|
|
|
|
<para>Directives for configuring systemd units through the
|
|
udev database.</para>
|
|
|
|
<variablelist id='udev-directives' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Network directives</title>
|
|
|
|
<para>Directives for configuring network links through the
|
|
net-setup-link udev builtin and networks through
|
|
systemd-networkd.</para>
|
|
|
|
<variablelist id='network-directives' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Journal fields</title>
|
|
|
|
<para>Fields in the journal events with a well known meaning.</para>
|
|
|
|
<variablelist id='journal-directives' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>PAM configuration directives</title>
|
|
|
|
<para>Directives for configuring PAM behaviour.</para>
|
|
|
|
<variablelist id='pam-directives' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title><filename>/etc/crypttab</filename> and
|
|
<filename>/etc/fstab</filename> options</title>
|
|
|
|
<para>Options which influence mounted filesystems and
|
|
encrypted volumes.</para>
|
|
|
|
<variablelist id='fstab-options' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>System manager directives</title>
|
|
|
|
<para>Directives for configuring the behaviour of the
|
|
systemd process.</para>
|
|
|
|
<variablelist id='systemd-directives' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>command line options</title>
|
|
|
|
<para>Command-line options accepted by programs in the
|
|
systemd suite.</para>
|
|
|
|
<variablelist id='options' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Constants</title>
|
|
|
|
<para>Various constant used and/or defined by systemd.</para>
|
|
|
|
<variablelist id='constants' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Miscellaneous options and directives</title>
|
|
|
|
<para>Other configuration elements which don't fit in
|
|
any of the above groups.</para>
|
|
|
|
<variablelist id='miscellaneous' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Files and directories</title>
|
|
|
|
<para>Paths and file names referred to in the
|
|
documentation.</para>
|
|
|
|
<variablelist id='filenames' />
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Colophon</title>
|
|
<para id='colophon' />
|
|
</refsect1>
|
|
</refentry>
|
|
'''
|
|
|
|
COLOPHON = '''\
|
|
This index contains {count} entries in {sections} sections,
|
|
referring to {pages} individual manual pages.
|
|
'''
|
|
|
|
def _extract_directives(directive_groups, formatting, page):
|
|
t = xml_parse(page)
|
|
section = t.find('./refmeta/manvolnum').text
|
|
pagename = t.find('./refmeta/refentrytitle').text
|
|
|
|
storopt = directive_groups['options']
|
|
for variablelist in t.iterfind('.//variablelist'):
|
|
klass = variablelist.attrib.get('class')
|
|
storvar = directive_groups[klass or 'miscellaneous']
|
|
# <option>s go in OPTIONS, unless class is specified
|
|
for xpath, stor in (('./varlistentry/term/varname', storvar),
|
|
('./varlistentry/term/option',
|
|
storvar if klass else storopt)):
|
|
for name in variablelist.iterfind(xpath):
|
|
text = re.sub(r'([= ]).*', r'\1', name.text).rstrip()
|
|
stor[text].append((pagename, section))
|
|
if text not in formatting:
|
|
# use element as formatted display
|
|
if name.text[-1] in '= ':
|
|
name.clear()
|
|
else:
|
|
name.tail = ''
|
|
name.text = text
|
|
formatting[text] = name
|
|
|
|
storfile = directive_groups['filenames']
|
|
for xpath, absolute_only in (('.//refsynopsisdiv//filename', False),
|
|
('.//refsynopsisdiv//command', False),
|
|
('.//filename', True)):
|
|
for name in t.iterfind(xpath):
|
|
if absolute_only and not (name.text and name.text.startswith('/')):
|
|
continue
|
|
if name.attrib.get('noindex'):
|
|
continue
|
|
name.tail = ''
|
|
if name.text:
|
|
if name.text.endswith('*'):
|
|
name.text = name.text[:-1]
|
|
if not name.text.startswith('.'):
|
|
text = name.text.partition(' ')[0]
|
|
if text != name.text:
|
|
name.clear()
|
|
name.text = text
|
|
if text.endswith('/'):
|
|
text = text[:-1]
|
|
storfile[text].append((pagename, section))
|
|
if text not in formatting:
|
|
# use element as formatted display
|
|
formatting[text] = name
|
|
else:
|
|
text = ' '.join(name.itertext())
|
|
storfile[text].append((pagename, section))
|
|
formatting[text] = name
|
|
|
|
storfile = directive_groups['constants']
|
|
for name in t.iterfind('.//constant'):
|
|
if name.attrib.get('noindex'):
|
|
continue
|
|
name.tail = ''
|
|
if name.text.startswith('('): # a cast, strip it
|
|
name.text = name.text.partition(' ')[2]
|
|
storfile[name.text].append((pagename, section))
|
|
formatting[name.text] = name
|
|
|
|
def _make_section(template, name, directives, formatting):
|
|
varlist = template.find(".//*[@id='{}']".format(name))
|
|
for varname, manpages in sorted(directives.items()):
|
|
entry = tree.SubElement(varlist, 'varlistentry')
|
|
term = tree.SubElement(entry, 'term')
|
|
display = deepcopy(formatting[varname])
|
|
term.append(display)
|
|
|
|
para = tree.SubElement(tree.SubElement(entry, 'listitem'), 'para')
|
|
|
|
b = None
|
|
for manpage, manvolume in sorted(set(manpages)):
|
|
if b is not None:
|
|
b.tail = ', '
|
|
b = tree.SubElement(para, 'citerefentry')
|
|
c = tree.SubElement(b, 'refentrytitle')
|
|
c.text = manpage
|
|
c.attrib['target'] = varname
|
|
d = tree.SubElement(b, 'manvolnum')
|
|
d.text = manvolume
|
|
entry.tail = '\n\n'
|
|
|
|
def _make_colophon(template, groups):
|
|
count = 0
|
|
pages = set()
|
|
for group in groups:
|
|
count += len(group)
|
|
for pagelist in group.values():
|
|
pages |= set(pagelist)
|
|
|
|
para = template.find(".//para[@id='colophon']")
|
|
para.text = COLOPHON.format(count=count,
|
|
sections=len(groups),
|
|
pages=len(pages))
|
|
|
|
def _make_page(template, directive_groups, formatting):
|
|
"""Create an XML tree from directive_groups.
|
|
|
|
directive_groups = {
|
|
'class': {'variable': [('manpage', 'manvolume'), ...],
|
|
'variable2': ...},
|
|
...
|
|
}
|
|
"""
|
|
for name, directives in directive_groups.items():
|
|
_make_section(template, name, directives, formatting)
|
|
|
|
_make_colophon(template, directive_groups.values())
|
|
|
|
return template
|
|
|
|
def make_page(*xml_files):
|
|
"Extract directives from xml_files and return XML index tree."
|
|
template = tree.fromstring(TEMPLATE)
|
|
names = [vl.get('id') for vl in template.iterfind('.//variablelist')]
|
|
directive_groups = {name:collections.defaultdict(list)
|
|
for name in names}
|
|
formatting = {}
|
|
for page in xml_files:
|
|
try:
|
|
_extract_directives(directive_groups, formatting, page)
|
|
except Exception:
|
|
raise ValueError("failed to process " + page)
|
|
|
|
return _make_page(template, directive_groups, formatting)
|
|
|
|
if __name__ == '__main__':
|
|
with open(sys.argv[1], 'wb') as f:
|
|
f.write(xml_print(make_page(*sys.argv[2:])))
|