Merge pull request readthedocs#46 from readthedocs/humitos/sphinx-3

Compatibility with Sphinx 3.0.0

Author: humitos

hoverxref/extension.py

@@ -2,6 +2,7 @@
 import inspect
 import types
 from docutils import nodes
+import sphinx
 from sphinx.roles import XRefRole
 from sphinx.util.fileutil import copy_asset
 
@@ -101,7 +102,13 @@ def setup_sphinx_tabs(app, config):
     Sphinx Tabs removes the CSS/JS from pages that does not use the directive.
     Although, we need them to use inside the tooltip.
     """
-    listeners = list(app.events.listeners.get('html-page-context').items())
+    if sphinx.version_info < (3, 0, 0):
+        listeners = list(app.events.listeners.get('html-page-context').items())
+    else:
+        listeners = [
+            (listener.id, listener.handler)
+            for listener in app.events.listeners.get('html-page-context')
+        ]
     for listener_id, function in listeners:
         module_name = inspect.getmodule(function).__name__
         if module_name == 'sphinx_tabs.tabs':

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
   docs
-  py{36,37,38}-sphinx{18,20,21,22,23,24}
+  py{36,37,38}-sphinx{18,20,21,22,23,24,30}
 
 [testenv]
 deps =
@@ -14,9 +14,10 @@ deps =
   sphinx22: sphinx~=2.2.0
   sphinx23: sphinx~=2.3.0
   sphinx24: sphinx~=2.4.0
+  sphinx30: sphinx~=3.0.0
 commands = pytest {posargs}
 
-[testenv:py38-sphinx24]
+[testenv:py38-sphinx30]
 deps =
   {[testenv]deps}
   pytest-cov