Fix #5436: Autodoc does not work with enum subclasses with properties/methods

CHANGES

@@ -20,6 +20,7 @@ Bugs fixed
 * #5421: autodoc emits deprecation warning for :confval:`autodoc_default_flags`
 * #5422: lambda object causes PicklingError on storing environment
 * #5417: Sphinx fails to build with syntax error in Python 2.7.5
+* #5436: Autodoc does not work with enum subclasses with properties/methods
 
 Testing
 --------

sphinx/ext/autodoc/importer.py

@@ -16,7 +16,7 @@ import warnings
 from collections import namedtuple
 from types import FunctionType, MethodType, ModuleType
 
-from six import PY2
+from six import PY2, iteritems
 
 from sphinx.util import logging
 from sphinx.util.inspect import isenumclass, safe_getattr
@@ -248,6 +248,11 @@ def get_object_members(subject, objpath, attrgetter, analyzer=None):
             if name not in members:
                 members[name] = Attribute(name, True, value)
 
+        superclass = subject.__mro__[1]
+        for name, value in iteritems(obj_dict):
+            if name not in superclass.__dict__:
+                members[name] = Attribute(name, True, value)
+
     # other members
     for name in dir(subject):
         try:

tests/roots/test-ext-autodoc/target/enum.py

@@ -13,3 +13,7 @@ class EnumCls(enum.Enum):
     val3 = 34
     """doc for val3"""
     val4 = 34
+
+    def say_hello(self):
+        """a method says hello to you."""
+        pass

tests/test_autodoc.py

@@ -1271,6 +1271,12 @@ def test_enum_class(app):
         '   this is enum class',
         '   ',
         '   ',
+        '   .. py:method:: EnumCls.say_hello()',
+        '      :module: target.enum',
+        '   ',
+        '      a method says hello to you.',
+        '      ',
+        '   ',
         '   .. py:attribute:: EnumCls.val1',
         '      :module: target.enum',
         '      :annotation: = 12',