+# -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
+#
+# This file is part of systemd.
+#
+# Copyright 2012 Lennart Poettering
+# Copyright 2013 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/>.
+
+import collections
+try:
+ from lxml import etree as tree
+ PRETTY = dict(pretty_print=True)
+except ImportError:
+ import xml.etree.ElementTree as tree
+ PRETTY = {}
+import sys
+import re
+MDASH = ' — ' if sys.version_info.major >= 3 else ' -- '
+
+TEMPLATE = '''\
+<refentry id="systemd.index" conditional="HAVE_PYTHON">
+
+ <refentryinfo>
+ <title>systemd.index</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Lennart</firstname>
+ <surname>Poettering</surname>
+ <email>lennart@poettering.net</email>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd.index</refentrytitle>
+ <manvolnum>7</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd.index</refname>
+ <refpurpose>List all manpages from the systemd project</refpurpose>
+ </refnamediv>
+</refentry>
+'''
+
+SUMMARY = '''\
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ </para>
+
+ <para id='counts' />
+ </refsect1>
+'''
+
+COUNTS = '\
+This index contains {count} entries, referring to {pages} individual manual pages.'
+
+def check_id(page, t):
+ id = t.getroot().get('id')
+ if not re.search('/' + id + '[.]', page):
+ raise ValueError("id='{}' is not the same as page name '{}'".format(id, page))
+
+def make_index(pages):
+ index = collections.defaultdict(list)
+ for p in pages:
+ t = tree.parse(p)
+ check_id(p, t)