Fix #7183: intersphinx: `:attr:` reference to property is broken

CHANGES

@@ -18,6 +18,7 @@ Bugs fixed
 
 * #7184: autodoc: ``*args`` and ``**kwarg`` in type comments are not handled
   properly
+* #7183: intersphinx: ``:attr:`` reference to property is broken
 
 Testing
 --------

sphinx/ext/intersphinx.py

@@ -282,6 +282,9 @@ def missing_reference(app: Sphinx, env: BuildEnvironment, node: Element, contnod
     if 'std:cmdoption' in objtypes:
         # until Sphinx-1.6, cmdoptions are stored as std:option
         objtypes.append('std:option')
+    if 'py:attribute' in objtypes:
+        # Since Sphinx-2.1, properties are stored as py:method
+        objtypes.append('py:method')
     to_try = [(inventories.main_inventory, target)]
     if domain:
         full_qualified_name = env.get_domain(domain).get_full_qualified_name(node)

tests/test_ext_intersphinx.py

@@ -190,6 +190,12 @@ def test_missing_reference_pydomain(tempdir, app, status, warning):
     rn = missing_reference(app, app.env, node, contnode)
     assert rn.astext() == 'func()'
 
+    # py:attr context helps to search objects
+    kwargs = {'py:module': 'module1'}
+    node, contnode = fake_node('py', 'attr', 'Foo.bar', 'Foo.bar', **kwargs)
+    rn = missing_reference(app, app.env, node, contnode)
+    assert rn.astext() == 'Foo.bar'
+
 
 def test_missing_reference_stddomain(tempdir, app, status, warning):
     inv_file = tempdir / 'inventory'

tests/test_util_inventory.py

@@ -31,6 +31,7 @@ inventory_v2 = '''\
 module1 py:module 0 foo.html#module-module1 Long Module desc
 module2 py:module 0 foo.html#module-$ -
 module1.func py:function 1 sub/foo.html#$ -
+module1.Foo.bar py:method 1 index.html#foo.Bar.baz -
 CFunc c:function 2 cfunc.html#CFunc -
 std cpp:type 1 index.html#std -
 std::uint8_t cpp:type 1 index.html#std_uint8_t -