Fix autosummary template overloading cause infinite recursive function call. Closes #1335

CHANGES

@@ -1,6 +1,13 @@
 Release 1.2.1 (in development)
 ==============================
 
+Bugs fixed
+----------
+
+* #1335: Fix autosummary template overloading like
+  ``{% extends "!autosummary/class.rst" %}`` cause infinite recursive function
+  call. This caused by PR#181.
+
 
 Release 1.2 (released Dec 10, 2013)
 ===================================
@@ -22,8 +29,10 @@ Bugs fixed
 
 * Restore ``versionmodified`` CSS class for versionadded/changed and deprecated
   directives.
-* Fix: `html_theme_path=['.']` is a trigger of rebuild all documents always
-  (This change keeps the current "theme changes cause a rebuild" feature).
+
+* PR#181: Fix `html_theme_path=['.']` is a trigger of rebuild all documents
+  always (This change keeps the current "theme changes cause a rebuild"
+  feature).
 
 * #1296: Fix invalid charset in HTML help generated HTML files for default
   locale.

sphinx/jinja2glue.py

@@ -95,9 +95,11 @@ class BuiltinTemplateLoader(TemplateBridge, BaseLoader):
             # then the theme parent paths
             loaderchain = pathchain + theme.themepath
         elif dirs:
-            pathchain = loaderchain = list(dirs)
+            pathchain = list(dirs)
+            loaderchain = list(dirs)
         else:
-            pathchain = loaderchain = []
+            pathchain = []
+            loaderchain = []
 
         # prepend explicit template paths
         self.templatepathlen = len(builder.config.templates_path)

tests/roots/test-templating/_templates/autosummary/class.rst

@@ -0,0 +1,8 @@
+{% extends "!autosummary/class.rst" %}
+
+{% block methods %}
+
+   .. note:: autosummary/class.rst method block overloading
+
+   {{ super() }}
+{% endblock %}

tests/roots/test-templating/_templates/layout.html

@@ -0,0 +1,6 @@
+{% extends "!layout.html" %}
+
+{% block extrahead %}
+<!-- layout overloading -->
+{{ super() }}
+{% endblock %}

tests/roots/test-templating/autosummary_templating.txt

@@ -0,0 +1,13 @@
+Autosummary templating test
+===========================
+
+.. autosummary::
+   :toctree: generated
+
+   sphinx.application.Sphinx
+
+.. currentmodule:: sphinx.application
+
+.. autoclass:: TemplateBridge
+
+  .. automethod:: render

tests/roots/test-templating/conf.py

@@ -0,0 +1,11 @@
+# -*- coding: utf-8 -*-
+
+project = 'Sphinx templating <Tests>'
+source_suffix = '.txt'
+keep_warnings = True
+templates_path = ['_templates']
+release = version = '2013.120'
+
+extensions = ['sphinx.ext.autosummary']
+autosummary_generate = ['autosummary_templating']
+

tests/roots/test-templating/contents.txt

@@ -0,0 +1,7 @@
+Welcome to Sphinx Tests's documentation!
+========================================
+
+.. toctree::
+
+   autosummary_templating
+

tests/test_templating.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+"""
+    test_templating
+    ~~~~~~~~~~~~~~~~
+
+    Test templating.
+
+    :copyright: Copyright 2007-2013 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+from util import test_roots, with_app
+
+
+def teardown_module():
+    (test_roots / 'test-templating' / '_build').rmtree(True),
+
+
+@with_app(buildername='html', srcdir=(test_roots / 'test-templating'))
+def test_layout_overloading(app):
+    app.builder.build_all()
+
+    result = (app.outdir / 'contents.html').text(encoding='utf-8')
+
+    assert '<!-- layout overloading -->' in result
+
+
+@with_app(buildername='html', srcdir=(test_roots / 'test-templating'))
+def test_autosummary_class_template_overloading(app):
+    app.builder.build_all()
+
+    result = (app.outdir / 'generated' / 'sphinx.application.Sphinx.html').text(
+                encoding='utf-8')
+
+    assert 'autosummary/class.rst method block overloading' in result
+