IVGCVSW-7952 Output deprecation message when building pyarmnn

 * Adds warning message when enabling pyarmnn through CMake
 * Adds print out when building pyarmnn through setup.py
 * Remove deprecated functions from batch matmul descripter

Signed-off-by: Ryan OShea <ryan.oshea3@arm.com>
Change-Id: I210ddbd0dd2f3b0d260a644bc62b8754375fbebe

4 files changed, 8 insertions, 12 deletions

diff --git a/python/pyarmnn/CMakeLists.txt b/python/pyarmnn/CMakeLists.txt
index e2375c468d..0a4cf1b09e 100644
--- a/python/pyarmnn/CMakeLists.txt
+++ b/python/pyarmnn/CMakeLists.txt
@@ -1,5 +1,6 @@
 #
 # Copyright 2020 NXP
+# Copyright © 2023 Arm Ltd. All rights reserved.
 # SPDX-License-Identifier: MIT
 #
 set(SETUP_PY_IN         "${CMAKE_CURRENT_SOURCE_DIR}/setup.py")
@@ -8,6 +9,8 @@ set(SWIG_GENERATE_IN    "${CMAKE_CURRENT_SOURCE_DIR}/swig_generate.py")
 set(SWIG_GENERATE       "${CMAKE_CURRENT_BINARY_DIR}/swig_generate.py")
 set(OUT_WRAP            "${CMAKE_CURRENT_BINARY_DIR}/pyarmnn.wrap.timestamp")
 
+message(WARNING "PyArmNN is deprecated. To use ArmNN on python, please use the tflite delegate. Expected to be removed in release 24.05.")
+
 configure_file(${SETUP_PY_IN} ${SETUP_PY} COPYONLY)
 configure_file(${SWIG_GENERATE_IN} ${SWIG_GENERATE} COPYONLY)
 
diff --git a/python/pyarmnn/setup.py b/python/pyarmnn/setup.py
index 44e810d422..6304ba5d54 100755
--- a/python/pyarmnn/setup.py
+++ b/python/pyarmnn/setup.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright © 2020 Arm Ltd. All rights reserved.
+# Copyright © 2020, 2023 Arm Ltd. All rights reserved.
 # Copyright © 2020 NXP and Contributors. All rights reserved.
 # SPDX-License-Identifier: MIT
 """Python bindings for Arm NN
@@ -265,6 +265,7 @@ class LazyArmnnFinderExtension(Extension):
 
 
 if __name__ == '__main__':
+    print("WARNING: PyArmNN is deprecated. To use ArmNN on python, please use the tflite delegate. Expected to be removed in release 24.05.")
     # mandatory extensions
     pyarmnn_module = LazyArmnnFinderExtension('pyarmnn._generated._pyarmnn',
                                               sources=['src/pyarmnn/_generated/armnn_wrap.cpp'],
diff --git a/python/pyarmnn/src/pyarmnn/__init__.py b/python/pyarmnn/src/pyarmnn/__init__.py
index 4e8401cdd4..b57723ba6d 100644
--- a/python/pyarmnn/src/pyarmnn/__init__.py
+++ b/python/pyarmnn/src/pyarmnn/__init__.py
@@ -1,4 +1,4 @@
-# Copyright © 2020 Arm Ltd. All rights reserved.
+# Copyright © 2020,2023 Arm Ltd. All rights reserved.
 # SPDX-License-Identifier: MIT
 import inspect
 import sys
@@ -6,6 +6,8 @@ import logging
 
 from ._generated.pyarmnn_version import GetVersion, GetMajorVersion, GetMinorVersion
 
+print("WARNING: PyArmNN is deprecated. To use ArmNN on python, please use the tflite delegate. Expected to be removed in release 24.05.")
+
 # Parsers
 
 try:
diff --git a/python/pyarmnn/src/pyarmnn/swig/modules/armnn_descriptors.i b/python/pyarmnn/src/pyarmnn/swig/modules/armnn_descriptors.i
index e755ef5982..1b4703c7bb 100644
--- a/python/pyarmnn/src/pyarmnn/swig/modules/armnn_descriptors.i
+++ b/python/pyarmnn/src/pyarmnn/swig/modules/armnn_descriptors.i
@@ -134,16 +134,6 @@ struct BatchMatMulDescriptor
     DataLayout m_DataLayoutX;
     DataLayout m_DataLayoutY;
 
-    static std::pair<std::pair<unsigned int, unsigned int>, std::pair<unsigned int, unsigned int>> GetAxesToMul(
-            const BatchMatMulDescriptor& desc,
-            const armnn::TensorShape& tensorXShape,
-            const armnn::TensorShape& tensorYShape);
-
-    static std::pair<std::vector<unsigned int>, std::vector<unsigned int>> GetAxesNotMul(
-            const BatchMatMulDescriptor& desc,
-            const armnn::TensorShape& inputXShape,
-            const armnn::TensorShape& inputYShape);
-
     %feature("docstring",
      "
      Static helper to get the two axes (for each input) for multiplication