[PyOV] support Type as arg in convert op (#21603)

* [PyOV] support Type as arg in convert op

* add test

* fix linter

src/bindings/python/src/openvino/runtime/opset1/ops.py

@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: Apache-2.0
 
 """Factory functions for all openvino ops."""
-from typing import List, Optional, Union
+from typing import List, Optional, Union, get_args
 
 import numpy as np
 from functools import partial
@@ -352,7 +352,7 @@ def constant(
 @nameable_op
 def convert(
     data: NodeInput,
-    destination_type: Union[str, NumericType],
+    destination_type: Union[str, NumericType, Type],
     name: Optional[str] = None,
 ) -> Node:
     """Return node which casts input node values to specified type.
@@ -362,12 +362,15 @@ def convert(
     :param name: Optional name for the output node.
     :return: New node performing the conversion operation.
     """
-    if not isinstance(destination_type, str):
-        destination_type = get_element_type_str(destination_type)
+    _destination_type = None  # type: Union[str, Type]
+    if isinstance(destination_type, get_args(NumericType)):
+        _destination_type = get_element_type_str(destination_type).lower()
+    else:
+        _destination_type = destination_type
     return _get_node_factory_opset1().create(
         "Convert",
         [as_node(data)],
-        {"destination_type": destination_type.lower()},
+        {"destination_type": _destination_type},
     )
 
 

src/bindings/python/tests/test_graph/test_basic.py

@@ -144,6 +144,8 @@ def test_convert_to_bool(destination_type, input_data):
         pytest.param(np.float64, (-16383, 16383), np.int64, np.float64),
         pytest.param("f32", (-8, 8), np.int32, np.float32),
         pytest.param("f64", (-16383, 16383), np.int64, np.float64),
+        pytest.param(Type.f32, (-8, 8), np.int32, np.float32),
+        pytest.param(Type.f64, (-16383, 16383), np.int64, np.float64),
     ],
 )
 def test_convert_to_float(destination_type, rand_range, in_dtype, expected_type):