Use 'object' for resolving only specific attributes of 'module' (PY-7823)

python/src/com/jetbrains/python/psi/impl/references/PyReferenceImpl.java

@@ -298,10 +298,12 @@ public class PyReferenceImpl implements PsiReferenceEx, PsiPolyVariantReference
     PyBuiltinCache builtins_cache = PyBuiltinCache.getInstance(realContext);
     if (uexpr == null) {
       // ...as a part of current module
-      PyType otype = builtins_cache.getObjectType(); // "object" as a closest kin to "module"
       String name = myElement.getName();
-      if (otype != null && name != null) {
-        ret.addAll(otype.resolveMember(name, null, AccessDirection.READ, myContext));
+      if (PyModuleType.MODULE_MEMBERS.contains(name)) {
+        PyType otype = builtins_cache.getObjectType(); // "object" as a closest kin to "module"
+        if (otype != null && name != null) {
+          ret.addAll(otype.resolveMember(name, null, AccessDirection.READ, myContext));
+        }
       }
     }
     if (uexpr == null) {

python/src/com/jetbrains/python/psi/types/PyModuleType.java

@@ -40,7 +40,8 @@ public class PyModuleType implements PyType { // Modules don't descend from obje
   @NotNull private final PyFile myModule;
   @Nullable private final PyImportedModule myImportedModule;
 
-  protected static ImmutableSet<String> ourPossibleFields = ImmutableSet.of("__name__", "__file__", "__path__", "__doc__", "__dict__", "__package__");
+  public static final ImmutableSet<String> MODULE_MEMBERS = ImmutableSet.of(
+    "__name__", "__file__", "__path__", "__doc__", "__dict__", "__package__");
 
   public PyModuleType(@NotNull PyFile source) {
     this(source, null);
@@ -358,7 +359,7 @@ public class PyModuleType implements PyType { // Modules don't descend from obje
 
   @NotNull
   public static Set<String> getPossibleInstanceMembers() {
-    return ourPossibleFields;
+    return MODULE_MEMBERS;
   }
 
 }

python/testData/inspections/PyUnresolvedReferencesInspection/unresolvedTopLevelInit.py

@@ -0,0 +1 @@
+<error descr="Unresolved reference '__init__'">__init__</error>

python/testSrc/com/jetbrains/python/inspections/PyUnresolvedReferencesInspectionTest.java

@@ -262,6 +262,11 @@ public class PyUnresolvedReferencesInspectionTest extends PyTestCase {
     doTest();
   }
 
+  // PY-7823
+  public void testUnresolvedTopLevelInit() {
+    doTest();
+  }
+
   private void doTest() {
     myFixture.configureByFile(TEST_DIRECTORY + getTestName(true) + ".py");
     myFixture.enableInspections(PyUnresolvedReferencesInspection.class);