:any: xref searches ignore aliases

CHANGES

@@ -74,6 +74,8 @@ Bugs fixed
 * #9979: Error level messages were displayed as warning messages
 * #10057: Failed to scan documents if the project is placed onto the root
   directory
+* #9577, #10088: Fix warning for duplicate Python references when using :any:
+  and autodoc
 
 Testing
 --------

sphinx/domains/python.py

@@ -1339,6 +1339,7 @@ def find_obj(self, env: BuildEnvironment, modname: str, classname: str,
                         matches = [(oname, self.objects[oname]) for oname in self.objects
                                    if oname.endswith(searchname) and
                                    self.objects[oname].objtype in objtypes]
+
         else:
             # NOTE: searching for exact match, object type is not considered
             if name in self.objects:
@@ -1413,6 +1414,17 @@ def resolve_any_xref(self, env: BuildEnvironment, fromdocname: str, builder: Bui
 
         # always search in "refspecific" mode with the :any: role
         matches = self.find_obj(env, modname, clsname, target, None, 1)
+
+        if len(matches) > 1:
+            # Remove all duplicated matches (when there are multiple matches for the
+            # same node_id, keep only the one that is not aliased)
+            original_matches = {obj.node_id for _, obj in matches if not obj.aliased}
+            matches = [
+                (name, obj)
+                for name, obj in matches
+                if obj.node_id not in original_matches or not obj.aliased
+            ]
+
         for name, obj in matches:
             if obj[2] == 'module':
                 results.append(('py:mod',

tests/roots/test-domain-py/canonical.rst

@@ -2,6 +2,9 @@ caninical
 =========
 
 :py:class:`.Foo`
+:any:`Foo`
+:any:`module.Foo`
+:any:`original.module.Foo`
 
 .. py:module:: canonical