support input and/or attribute for reshape

aidge_onnx/node_import/onnx_converters/reshape.py

@@ -26,10 +26,14 @@ def import_reshape(onnx_node:onnx.NodeProto, input_nodes:List[Tuple[aidge_core.N
     attrs = {attr.name : attr for attr in onnx_node.attribute}
 
     shape = []
-    if opset < 5:
-        if 'shape' in attrs:
-            shape = attrs['shape'].ints
-            del attrs['shape']
+    if 'shape' in attrs:
+        shape = attrs['shape'].ints
+        del attrs['shape']
+
+        shape_tensor = aidge_core.Tensor(shape)
+        shape_node = aidge_core.Producer(shape_tensor, "shape")
+        intput_node = (shape_node, 0)
+        input_nodes.append(intput_node)
 
         if len(attrs) > 0:
             print(f"Warning: unsupported attribute(s): {attrs.keys()} for operator transpose.")
@@ -47,5 +51,6 @@ def import_reshape(onnx_node:onnx.NodeProto, input_nodes:List[Tuple[aidge_core.N
         print(f"- {node_name} ({onnx_node.op_type})")
         return my_node
     else:
-        print(f"warning, bad shape initialization")
-        return None
\ No newline at end of file
+        my_node = aidge_core.Reshape(name=node_name)
+        print(f"- {node_name} ({onnx_node.op_type})")
+        return my_node
\ No newline at end of file