Quality of life

In this merge request I propose multiple changes which should improve the usage of the Python API of Aidge:

New Features:

• Add a set_attr method to StaticAttribute objects
• Add a set_attr method to DynamicAttribute objects
• Add magic method __set_attr__ & __get_attr__ to StaticAttribute

Allow the use of

dilation_dims = conv.DilationDims  # __get_attr__ example
conv.DilationDims = [2, 2]         # __set_attr__ example

• Add magic method __set_attr__ & __get_attr__ to DynamicAttribute
• Add **kwargs to GeneriOp ctor to declare more easily attributes:

Usage example

test_op = aidge_core.GenericOperator(
        "Test_generic",
        1,
        0,
        1,
        name="test_op",
        attribute_1=1,
        attribute_2=True,
        attribute_3=0.001
    )

• Allow Numpy->Tensor conversion with no available Backends (move TensorImpl backend_cpu to core)
• Allow to specify a Backend to choose for Numpy->Tensor conversion

aidge_core/unit_tests/test_operator_binding.py

@@ -125,6 +125,23 @@ class test_operator_binding(unittest.TestCase):
         generic_op.forward() # Increment idx
         self.assertEqual(customImpl.idx, 1)
 
+    def test_magic_meth(self):
+        myVar = 2
+        myBool = True
+        # Test dynamic attribute set
+        gop = aidge_core.GenericOperator("test", 1, 0, 1, "FictiveName", myVar=myVar).get_operator()
+        gop.myBool = myBool
+        # Test variable set by kwargs
+        self.assertEqual(gop.myVar, myVar)
+        # Test set attr
+        self.assertEqual(gop.myBool, myBool)
+
+        # Test static attribute set !
+        prod = aidge_core.Producer([1]).get_operator()
+        self.assertEqual(prod.Constant, False)
+        prod.Constant = True # By default Constant is False
+        self.assertEqual(prod.Constant, True)
+
 
 
 if __name__ == '__main__':