Fix #5246: Add :confval:singlehtml_sidebars to configure sidebars for singlehtml

CHANGES

@@ -194,6 +194,8 @@ Features added
 * #4614: sphinx-build: Add ``--keep-going`` option to show all warnings
 * Add :rst:role:`math:numref` role to refer equations (Same as :rst:role:`eq`)
 * quickstart: epub builder is enabled by default
+* #5246: Add :confval:`singlehtml_sidebars` to configure sidebars for singlehtml
+  builder
 
 Bugs fixed
 ----------

doc/usage/configuration.rst

@@ -1333,6 +1333,16 @@ that use Sphinx's HTMLWriter class.
 
    .. versionadded:: 1.6
 
+Options for Single HTML output
+-------------------------------
+
+.. confval:: singlehtml_sidebars
+
+   Custom sidebar templates, must be a dictionary that maps document names to
+   template names.  And it only allows a key named `'index'`.  All other keys
+   are ignored.  For more information, refer to :confval:`html_sidebars`.  By
+   default, it is same as :confval:`html_sidebars`.
+
 
 .. _htmlhelp-options:
 

sphinx/builders/html.py

@@ -1066,7 +1066,8 @@ class StandaloneHTMLBuilder(Builder):
                 sidebars = [name.strip() for name in theme_default_sidebars.split(',')]
 
         # user sidebar settings
-        for pattern, patsidebars in iteritems(self.config.html_sidebars):
+        html_sidebars = self.get_builder_config('sidebars', 'html')
+        for pattern, patsidebars in iteritems(html_sidebars):
             if patmatch(pagename, pattern):
                 if matched:
                     if has_wildcard(pattern):
@@ -1714,6 +1715,8 @@ def setup(app):
     app.add_config_value('html_baseurl', '', 'html')
     app.add_config_value('html_math_renderer', None, 'env')
 
+    app.add_config_value('singlehtml_sidebars', lambda self: self.html_sidebars, 'html')
+
     # event handlers
     app.connect('config-inited', convert_html_css_files)
     app.connect('config-inited', convert_html_js_files)