fix: --

xblock/core.py

@@ -158,10 +158,10 @@ def open_local_resource(cls, uri):
         if "/." in uri:
             raise DisallowedFileError("Only safe file names are allowed: %r" % uri)
 
-        return cls.__open_resource(uri)
+        return cls.open_resource(uri)
 
     @classmethod
-    def __open_resource(cls, uri):
+    def open_resource(cls, uri):
         return importlib.resources.files(inspect.getmodule(cls).__package__).joinpath(
             os.path.join(cls.resources_dir, uri)
         ).open('rb')

xblock/test/test_core.py

@@ -974,7 +974,7 @@ def stub_open_resource(self, uri):
     )
     def test_open_good_local_resource(self, uri):
         loadable = self.LoadableXBlock(None, scope_ids=Mock())
-        with patch('xblock.core.Blocklike.__open_resource', self.stub_open_resource):
+        with patch('xblock.core.Blocklike.open_resource', self.stub_open_resource):
             assert loadable.open_local_resource(uri) == "!" + uri + "!"
             assert loadable.open_local_resource(uri.encode('utf-8')) == "!" + uri + "!"
 
@@ -988,7 +988,7 @@ def test_open_good_local_resource(self, uri):
     )
     def test_open_good_local_resource_binary(self, uri):
         loadable = self.LoadableXBlock(None, scope_ids=Mock())
-        with patch('xblock.core.Blocklike.__open_resource', self.stub_open_resource):
+        with patch('xblock.core.Blocklike.open_resource', self.stub_open_resource):
             assert loadable.open_local_resource(uri) == "!" + uri.decode('utf-8') + "!"
 
     @ddt.data(
@@ -1002,7 +1002,7 @@ def test_open_good_local_resource_binary(self, uri):
     )
     def test_open_bad_local_resource(self, uri):
         loadable = self.LoadableXBlock(None, scope_ids=Mock())
-        with patch('xblock.core.Blocklike.__open_resource', self.stub_open_resource):
+        with patch('xblock.core.Blocklike.open_resource', self.stub_open_resource):
             msg_pattern = ".*: %s" % re.escape(repr(uri))
             with pytest.raises(DisallowedFileError, match=msg_pattern):
                 loadable.open_local_resource(uri)
@@ -1018,7 +1018,7 @@ def test_open_bad_local_resource(self, uri):
     )
     def test_open_bad_local_resource_binary(self, uri):
         loadable = self.LoadableXBlock(None, scope_ids=Mock())
-        with patch('xblock.core.Blocklike.__open_resource', self.stub_open_resource):
+        with patch('xblock.core.Blocklike.open_resource', self.stub_open_resource):
             msg = ".*: %s" % re.escape(repr(uri.decode('utf-8')))
             with pytest.raises(DisallowedFileError, match=msg):
                 loadable.open_local_resource(uri)
@@ -1041,7 +1041,7 @@ def test_open_bad_local_resource_binary(self, uri):
     def test_open_local_resource_with_no_resources_dir(self, uri):
         unloadable = self.UnloadableXBlock(None, scope_ids=Mock())
 
-        with patch('xblock.core.Blocklike.__open_resource', self.stub_open_resource):
+        with patch('xblock.core.Blocklike.open_resource', self.stub_open_resource):
             msg = "not configured to serve local resources"
             with pytest.raises(DisallowedFileError, match=msg):
                 unloadable.open_local_resource(uri)