Apply Tim patch for java import

Author: qunaibit

graalpython/lib-graalpython/java.py

@@ -42,18 +42,17 @@
 
 
 class JavaPackageLoader:
+    @staticmethod
+    def is_java_package(name):
+        try:
+            package = type("java.lang.Package")
+            return any(p.getName().startswith(name) for p in package.getPackages())
+        except KeyError:
+            if sys.flags.verbose:
+                from _warnings import warn
+                warn("Host lookup allowed, but java.lang.Package not available. Importing from Java cannot work.")
+            return False
     if __graalpython__.jython_emulation_enabled:
-        @staticmethod
-        def is_java_package(name):
-            try:
-                package = type("java.lang.Package")
-                return any(p.getName().startswith(name) for p in package.getPackages())
-            except KeyError:
-                if sys.flags.verbose:
-                    from _warnings import warn
-                    warn("Host lookup allowed, but java.lang.Package not available. Importing from Java cannot work.")
-                return False
-
         @staticmethod
         def _make_getattr(modname):
             modname = modname + "."
@@ -87,6 +86,8 @@ def __getattr__(key, default=None):
                         return type(modname_wo + key)
                     except KeyError:
                         pass
+                if JavaPackageLoader.is_java_package(modname + key):
+                    return JavaPackageLoader._create_module(modname + key)
                 raise AttributeError(key)
             return __getattr__
 
@@ -198,5 +199,4 @@ def find_spec(self, fullname, path, target=None):
 
 
 sys.meta_path.append(JavaImportFinder())
-if __graalpython__.jython_emulation_enabled:
-    __getattr__ = JavaPackageLoader._make_getattr("java")
+__getattr__ = JavaPackageLoader._make_getattr("java")