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3e67e5c9 | 1 | #!/usr/bin/env python3 |
35df7443 | 2 | # SPDX-License-Identifier: LGPL-2.1+ |
e7098b69 | 3 | |
d9cfd694 ZJS |
4 | import sys |
5 | import collections | |
ccc9a4f9 | 6 | import re |
1c6c3ef0 | 7 | from xml_helper import xml_parse, xml_print, tree |
827f70eb | 8 | from copy import deepcopy |
d9cfd694 ZJS |
9 | |
10 | TEMPLATE = '''\ | |
56ba3c78 | 11 | <refentry id="systemd.directives" conditional="HAVE_PYTHON"> |
d9cfd694 ZJS |
12 | |
13 | <refentryinfo> | |
14 | <title>systemd.directives</title> | |
15 | <productname>systemd</productname> | |
d9cfd694 ZJS |
16 | </refentryinfo> |
17 | ||
18 | <refmeta> | |
19 | <refentrytitle>systemd.directives</refentrytitle> | |
9cc2c8b7 | 20 | <manvolnum>7</manvolnum> |
d9cfd694 ZJS |
21 | </refmeta> |
22 | ||
23 | <refnamediv> | |
24 | <refname>systemd.directives</refname> | |
25 | <refpurpose>Index of configuration directives</refpurpose> | |
26 | </refnamediv> | |
27 | ||
28 | <refsect1> | |
29 | <title>Unit directives</title> | |
30 | ||
31 | <para>Directives for configuring units, used in unit | |
32 | files.</para> | |
33 | ||
34 | <variablelist id='unit-directives' /> | |
35 | </refsect1> | |
e1abd3ef | 36 | |
08177c85 ZJS |
37 | <refsect1> |
38 | <title>Options on the kernel command line</title> | |
39 | ||
40 | <para>Kernel boot options for configuring the behaviour of the | |
41 | systemd process.</para> | |
42 | ||
ccc9a4f9 | 43 | <variablelist id='kernel-commandline-options' /> |
08177c85 ZJS |
44 | </refsect1> |
45 | ||
46 | <refsect1> | |
47 | <title>Environment variables</title> | |
48 | ||
833fc980 ZJS |
49 | <para>Environment variables understood by the systemd manager |
50 | and other programs and environment variable-compatible settings.</para> | |
08177c85 ZJS |
51 | |
52 | <variablelist id='environment-variables' /> | |
53 | </refsect1> | |
54 | ||
bc61c2b1 ZJS |
55 | <refsect1> |
56 | <title>EFI variables</title> | |
57 | ||
58 | <para>EFI variables understood by | |
59 | <citerefentry><refentrytitle>systemd-boot</refentrytitle><manvolnum>7</manvolnum></citerefentry> | |
60 | and other programs.</para> | |
61 | ||
62 | <variablelist id='efi-variables' /> | |
63 | </refsect1> | |
64 | ||
e1abd3ef ZJS |
65 | <refsect1> |
66 | <title>UDEV directives</title> | |
67 | ||
68 | <para>Directives for configuring systemd units through the | |
69 | udev database.</para> | |
70 | ||
71 | <variablelist id='udev-directives' /> | |
72 | </refsect1> | |
f6c2e28b | 73 | |
1f06807c TG |
74 | <refsect1> |
75 | <title>Network directives</title> | |
76 | ||
77 | <para>Directives for configuring network links through the | |
46b0925d TG |
78 | net-setup-link udev builtin and networks through |
79 | systemd-networkd.</para> | |
1f06807c TG |
80 | |
81 | <variablelist id='network-directives' /> | |
82 | </refsect1> | |
83 | ||
f6c2e28b | 84 | <refsect1> |
ccc9a4f9 | 85 | <title>Journal fields</title> |
f6c2e28b | 86 | |
ccc9a4f9 | 87 | <para>Fields in the journal events with a well known meaning.</para> |
f6c2e28b ZJS |
88 | |
89 | <variablelist id='journal-directives' /> | |
90 | </refsect1> | |
4a431c9a | 91 | |
ccc9a4f9 ZJS |
92 | <refsect1> |
93 | <title>PAM configuration directives</title> | |
94 | ||
95 | <para>Directives for configuring PAM behaviour.</para> | |
96 | ||
97 | <variablelist id='pam-directives' /> | |
98 | </refsect1> | |
99 | ||
100 | <refsect1> | |
63b03c0b ZJS |
101 | <title><filename>/etc/crypttab</filename> and |
102 | <filename>/etc/fstab</filename> options</title> | |
ccc9a4f9 ZJS |
103 | |
104 | <para>Options which influence mounted filesystems and | |
105 | encrypted volumes.</para> | |
106 | ||
63b03c0b | 107 | <variablelist id='fstab-options' /> |
ccc9a4f9 ZJS |
108 | </refsect1> |
109 | ||
37dac218 ZJS |
110 | <refsect1> |
111 | <title><citerefentry><refentrytitle>systemd.nspawn</refentrytitle><manvolnum>5</manvolnum></citerefentry> | |
112 | directives</title> | |
113 | ||
114 | <para>Directives for configuring systemd-nspawn containers.</para> | |
115 | ||
116 | <variablelist id='nspawn-directives' /> | |
117 | </refsect1> | |
118 | ||
ccc9a4f9 | 119 | <refsect1> |
d2acdcc6 | 120 | <title>Program configuration options</title> |
ccc9a4f9 ZJS |
121 | |
122 | <para>Directives for configuring the behaviour of the | |
d2acdcc6 | 123 | systemd process and other tools through configuration files.</para> |
ccc9a4f9 | 124 | |
d2acdcc6 | 125 | <variablelist id='config-directives' /> |
ccc9a4f9 ZJS |
126 | </refsect1> |
127 | ||
ccc9a4f9 | 128 | <refsect1> |
37dac218 | 129 | <title>Command line options</title> |
ccc9a4f9 ZJS |
130 | |
131 | <para>Command-line options accepted by programs in the | |
132 | systemd suite.</para> | |
133 | ||
134 | <variablelist id='options' /> | |
135 | </refsect1> | |
136 | ||
785a51eb ZJS |
137 | <refsect1> |
138 | <title>Constants</title> | |
139 | ||
140 | <para>Various constant used and/or defined by systemd.</para> | |
141 | ||
142 | <variablelist id='constants' /> | |
143 | </refsect1> | |
144 | ||
ccc9a4f9 ZJS |
145 | <refsect1> |
146 | <title>Miscellaneous options and directives</title> | |
147 | ||
148 | <para>Other configuration elements which don't fit in | |
149 | any of the above groups.</para> | |
150 | ||
151 | <variablelist id='miscellaneous' /> | |
152 | </refsect1> | |
153 | ||
a4e0b94d ZJS |
154 | <refsect1> |
155 | <title>Files and directories</title> | |
156 | ||
157 | <para>Paths and file names referred to in the | |
158 | documentation.</para> | |
159 | ||
160 | <variablelist id='filenames' /> | |
161 | </refsect1> | |
162 | ||
0acfdd61 ZJS |
163 | <refsect1> |
164 | <title>Colophon</title> | |
165 | <para id='colophon' /> | |
166 | </refsect1> | |
d9cfd694 ZJS |
167 | </refentry> |
168 | ''' | |
169 | ||
0acfdd61 ZJS |
170 | COLOPHON = '''\ |
171 | This index contains {count} entries in {sections} sections, | |
172 | referring to {pages} individual manual pages. | |
173 | ''' | |
174 | ||
d970bd6d | 175 | def _extract_directives(directive_groups, formatting, page): |
1a13e31d | 176 | t = xml_parse(page) |
d9cfd694 ZJS |
177 | section = t.find('./refmeta/manvolnum').text |
178 | pagename = t.find('./refmeta/refentrytitle').text | |
a4e0b94d ZJS |
179 | |
180 | storopt = directive_groups['options'] | |
d9cfd694 | 181 | for variablelist in t.iterfind('.//variablelist'): |
ccc9a4f9 ZJS |
182 | klass = variablelist.attrib.get('class') |
183 | storvar = directive_groups[klass or 'miscellaneous'] | |
ccc9a4f9 ZJS |
184 | # <option>s go in OPTIONS, unless class is specified |
185 | for xpath, stor in (('./varlistentry/term/varname', storvar), | |
186 | ('./varlistentry/term/option', | |
187 | storvar if klass else storopt)): | |
188 | for name in variablelist.iterfind(xpath): | |
189 | text = re.sub(r'([= ]).*', r'\1', name.text).rstrip() | |
190 | stor[text].append((pagename, section)) | |
d970bd6d ZJS |
191 | if text not in formatting: |
192 | # use element as formatted display | |
699ad6c0 ZJS |
193 | if name.text[-1] in '= ': |
194 | name.clear() | |
195 | else: | |
196 | name.tail = '' | |
d970bd6d ZJS |
197 | name.text = text |
198 | formatting[text] = name | |
d9cfd694 | 199 | |
a4e0b94d | 200 | storfile = directive_groups['filenames'] |
845c5324 ZJS |
201 | for xpath, absolute_only in (('.//refsynopsisdiv//filename', False), |
202 | ('.//refsynopsisdiv//command', False), | |
203 | ('.//filename', True)): | |
a4e0b94d | 204 | for name in t.iterfind(xpath): |
845c5324 ZJS |
205 | if absolute_only and not (name.text and name.text.startswith('/')): |
206 | continue | |
207 | if name.attrib.get('noindex'): | |
208 | continue | |
a4e0b94d ZJS |
209 | name.tail = '' |
210 | if name.text: | |
845c5324 ZJS |
211 | if name.text.endswith('*'): |
212 | name.text = name.text[:-1] | |
a4e0b94d ZJS |
213 | if not name.text.startswith('.'): |
214 | text = name.text.partition(' ')[0] | |
215 | if text != name.text: | |
216 | name.clear() | |
217 | name.text = text | |
845c5324 ZJS |
218 | if text.endswith('/'): |
219 | text = text[:-1] | |
a4e0b94d ZJS |
220 | storfile[text].append((pagename, section)) |
221 | if text not in formatting: | |
222 | # use element as formatted display | |
223 | formatting[text] = name | |
224 | else: | |
225 | text = ' '.join(name.itertext()) | |
226 | storfile[text].append((pagename, section)) | |
227 | formatting[text] = name | |
228 | ||
785a51eb ZJS |
229 | storfile = directive_groups['constants'] |
230 | for name in t.iterfind('.//constant'): | |
231 | if name.attrib.get('noindex'): | |
232 | continue | |
233 | name.tail = '' | |
234 | if name.text.startswith('('): # a cast, strip it | |
235 | name.text = name.text.partition(' ')[2] | |
236 | storfile[name.text].append((pagename, section)) | |
237 | formatting[name.text] = name | |
238 | ||
d970bd6d | 239 | def _make_section(template, name, directives, formatting): |
eeb019b5 | 240 | varlist = template.find(".//*[@id='{}']".format(name)) |
d9cfd694 ZJS |
241 | for varname, manpages in sorted(directives.items()): |
242 | entry = tree.SubElement(varlist, 'varlistentry') | |
d970bd6d | 243 | term = tree.SubElement(entry, 'term') |
827f70eb ZJS |
244 | display = deepcopy(formatting[varname]) |
245 | term.append(display) | |
d970bd6d | 246 | |
d9cfd694 ZJS |
247 | para = tree.SubElement(tree.SubElement(entry, 'listitem'), 'para') |
248 | ||
249 | b = None | |
ccc9a4f9 | 250 | for manpage, manvolume in sorted(set(manpages)): |
827f70eb ZJS |
251 | if b is not None: |
252 | b.tail = ', ' | |
253 | b = tree.SubElement(para, 'citerefentry') | |
254 | c = tree.SubElement(b, 'refentrytitle') | |
255 | c.text = manpage | |
958caa58 | 256 | c.attrib['target'] = varname |
827f70eb ZJS |
257 | d = tree.SubElement(b, 'manvolnum') |
258 | d.text = manvolume | |
d9cfd694 ZJS |
259 | entry.tail = '\n\n' |
260 | ||
0acfdd61 ZJS |
261 | def _make_colophon(template, groups): |
262 | count = 0 | |
263 | pages = set() | |
264 | for group in groups: | |
265 | count += len(group) | |
266 | for pagelist in group.values(): | |
267 | pages |= set(pagelist) | |
268 | ||
269 | para = template.find(".//para[@id='colophon']") | |
270 | para.text = COLOPHON.format(count=count, | |
271 | sections=len(groups), | |
272 | pages=len(pages)) | |
273 | ||
d970bd6d | 274 | def _make_page(template, directive_groups, formatting): |
d9cfd694 ZJS |
275 | """Create an XML tree from directive_groups. |
276 | ||
277 | directive_groups = { | |
278 | 'class': {'variable': [('manpage', 'manvolume'), ...], | |
279 | 'variable2': ...}, | |
280 | ... | |
281 | } | |
282 | """ | |
d9cfd694 | 283 | for name, directives in directive_groups.items(): |
827f70eb | 284 | _make_section(template, name, directives, formatting) |
d9cfd694 | 285 | |
0acfdd61 ZJS |
286 | _make_colophon(template, directive_groups.values()) |
287 | ||
eeb019b5 | 288 | return template |
d9cfd694 | 289 | |
ccc9a4f9 | 290 | def make_page(*xml_files): |
d9cfd694 | 291 | "Extract directives from xml_files and return XML index tree." |
eeb019b5 ZJS |
292 | template = tree.fromstring(TEMPLATE) |
293 | names = [vl.get('id') for vl in template.iterfind('.//variablelist')] | |
d9cfd694 | 294 | directive_groups = {name:collections.defaultdict(list) |
eeb019b5 | 295 | for name in names} |
d970bd6d | 296 | formatting = {} |
d9cfd694 | 297 | for page in xml_files: |
ccc9a4f9 | 298 | try: |
d970bd6d | 299 | _extract_directives(directive_groups, formatting, page) |
ccc9a4f9 ZJS |
300 | except Exception: |
301 | raise ValueError("failed to process " + page) | |
d9cfd694 | 302 | |
d970bd6d | 303 | return _make_page(template, directive_groups, formatting) |
d9cfd694 ZJS |
304 | |
305 | if __name__ == '__main__': | |
1a13e31d ZJS |
306 | with open(sys.argv[1], 'wb') as f: |
307 | f.write(xml_print(make_page(*sys.argv[2:]))) |