From 3c3e5f4276a893791110b03984735654372aa33a Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Mon, 10 Feb 2014 10:37:10 +0100
Subject: build-sys: move python helpers to tools directory

Note that make-man-rules.py is missing in EXTRA_DIST=, this patch
fixes this mistake too.
---
 tools/make-man-rules.py | 113 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 tools/make-man-rules.py

(limited to 'tools/make-man-rules.py')

diff --git a/tools/make-man-rules.py b/tools/make-man-rules.py
new file mode 100644
index 0000000000..0d1ca244c4
--- /dev/null
+++ b/tools/make-man-rules.py
@@ -0,0 +1,113 @@
+#  -*- Mode: python; coding: utf-8; indent-tabs-mode: nil -*- */
+#
+#  This file is part of systemd.
+#
+#  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/>.
+
+from __future__ import print_function
+import collections
+import sys
+import os.path
+from xml_helper import *
+
+SECTION = '''\
+MANPAGES += \\
+	{manpages}
+MANPAGES_ALIAS += \\
+	{aliases}
+{rules}
+{htmlrules}
+'''
+
+CONDITIONAL = '''\
+if {conditional}
+''' \
++ SECTION + \
+'''\
+endif
+'''
+
+HEADER = '''\
+# Do not edit. Generated by make-man-rules.py.
+# Regenerate with 'make all update-man-list'.
+
+'''
+
+HTML_ALIAS_RULE = '''\
+{}.html: {}.html
+	$(html-alias)
+'''
+
+FOOTER = '''\
+
+EXTRA_DIST += \\
+       {files}
+'''
+
+def man(page, number):
+    return 'man/{}.{}'.format(page, number)
+
+def xml(file):
+    return 'man/{}'.format(os.path.basename(file))
+
+def add_rules(rules, name):
+    xml = xml_parse(name)
+    # print('parsing {}'.format(name), file=sys.stderr)
+    conditional = xml.getroot().get('conditional') or ''
+    rulegroup = rules[conditional]
+    refmeta = xml.find('./refmeta')
+    title = refmeta.find('./refentrytitle').text
+    number = refmeta.find('./manvolnum').text
+    refnames = xml.findall('./refnamediv/refname')
+    target = man(refnames[0].text, number)
+    if title != refnames[0].text:
+        raise ValueError('refmeta and refnamediv disagree: ' + name)
+    for refname in refnames:
+        assert all(refname not in group
+                   for group in rules.values()), "duplicate page name"
+        alias = man(refname.text, number)
+        rulegroup[alias] = target
+        # print('{} => {} [{}]'.format(alias, target, conditional), file=sys.stderr)
+
+def create_rules(xml_files):
+    " {conditional => {alias-name => source-name}} "
+    rules = collections.defaultdict(dict)
+    for name in xml_files:
+        add_rules(rules, name)
+    return rules
+
+def mjoin(files):
+    return ' \\\n\t'.join(sorted(files) or '#')
+
+def make_makefile(rules, files):
+    return HEADER + '\n'.join(
+        (CONDITIONAL if conditional else SECTION).format(
+            manpages=mjoin(set(rulegroup.values())),
+            aliases=mjoin(k for k,v in rulegroup.items() if k != v),
+            rules='\n'.join('{}: {}'.format(k,v)
+                            for k,v in sorted(rulegroup.items())
+                            if k != v),
+            htmlrules='\n'.join(HTML_ALIAS_RULE.format(k[:-2],v[:-2])
+                                for k,v in sorted(rulegroup.items())
+                                if k != v),
+            conditional=conditional)
+        for conditional,rulegroup in sorted(rules.items())
+        ) + FOOTER.format(files=mjoin(sorted(files)))
+
+if __name__ == '__main__':
+    rules = create_rules(sys.argv[1:])
+    files = (xml(file) for file in sys.argv[1:])
+    print(make_makefile(rules, files), end='')
-- 
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