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-rw-r--r--python/pyarmnn/src/pyarmnn/_tensor/const_tensor.py19
1 files changed, 13 insertions, 6 deletions
diff --git a/python/pyarmnn/src/pyarmnn/_tensor/const_tensor.py b/python/pyarmnn/src/pyarmnn/_tensor/const_tensor.py
index 94995bdd8c..ab4305c18e 100644
--- a/python/pyarmnn/src/pyarmnn/_tensor/const_tensor.py
+++ b/python/pyarmnn/src/pyarmnn/_tensor/const_tensor.py
@@ -59,24 +59,31 @@ class ConstTensor(AnnConstTensor):
Raises:
TypeError: Unsupported input data type.
- ValueError: Unsupported tensor data type and incorrect input data size.
+ ValueError: Unsupported tensor data type, incorrect input data size and creation of ConstTensor from non-constant TensorInfo.
"""
self.__memory_area = None
# TensorInfo as first argument and numpy array as second
if len(args) > 1 and isinstance(args[0], TensorInfo):
- if isinstance(args[1], np.ndarray):
+ if not isinstance(args[1], np.ndarray):
+ raise TypeError('Data must be provided as a numpy array.')
+ # if TensorInfo IsConstant is false
+ elif not args[0].IsConstant():
+ raise ValueError('TensorInfo when initializing ConstTensor must be set to constant.')
+ else:
self.__create_memory_area(args[0].GetDataType(), args[0].GetNumBytes(), args[0].GetNumElements(),
args[1])
super().__init__(args[0], self.__memory_area.data)
- else:
- raise TypeError('Data must be provided as a numpy array.')
# copy constructor - reference to memory area is passed from copied const
# tensor and armnn's copy constructor is called
elif len(args) > 0 and isinstance(args[0], (ConstTensor, Tensor)):
- self.__memory_area = args[0].get_memory_area()
- super().__init__(args[0])
+ # if TensorInfo IsConstant is false
+ if not args[0].GetInfo().IsConstant():
+ raise ValueError('TensorInfo of Tensor when initializing ConstTensor must be set to constant.')
+ else:
+ self.__memory_area = args[0].get_memory_area()
+ super().__init__(args[0])
# empty tensor
elif len(args) == 0: