Closes #1748: SyntaxError in sphinx/ext/ifconfig.py with Python 2.6.

CHANGES

@@ -24,6 +24,7 @@ Bugs fixed
   msgid such as "foo bar" and "version changes in 1.3: foo bar".
 * #1745: latex builder cause maximum recursion depth exceeded when a
   footnote has a footnote mark itself.
+* #1748: SyntaxError in sphinx/ext/ifconfig.py with Python 2.6.
 
 
 Release 1.3b3 (released Feb 24, 2015)

sphinx/ext/ifconfig.py

@@ -49,7 +49,7 @@ class IfConfig(Directive):
 
 
 def process_ifconfig_nodes(app, doctree, docname):
-    ns = {k: app.config[k] for k in app.config.values}
+    ns = dict((k, app.config[k]) for k in app.config.values)
     ns.update(app.config.__dict__.copy())
     ns['builder'] = app.builder.name
     for node in doctree.traverse(ifconfig):

tests/roots/test-ext-ifconfig/conf.py

@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+
+extensions = ['sphinx.ext.ifconfig']
+master_doc = 'index'
+
+confval1 = True
+
+def setup(app):
+    app.add_config_value('confval1', False, None)
+    app.add_config_value('confval2', False, None)

tests/roots/test-ext-ifconfig/index.rst

@@ -0,0 +1,11 @@
+ifconfig
+========
+
+.. ifconfig:: confval1
+
+   spam
+
+.. ifconfig:: confval2
+
+   egg
+

tests/test_ext_ifconfig.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+"""
+    test_ext_ifconfig
+    ~~~~~~~~~~~~~~~~~
+
+    Test sphinx.ext.ifconfig extension.
+
+    :copyright: Copyright 2007-2015 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import re
+
+from util import with_app
+
+
+@with_app(testroot='ext-ifconfig')
+def test_ifconfig(app, status, warning):
+    app.builder.build_all()