Added Python interface for Arm Ethos-U NPU driver library.22.11-rc1

Python `ethosu_driver` could be built as part of Arm Ethos-U Linux
driver library CMake flow.

See driver_library/python/README.md for more details.

Change-Id: I177a890add5c13df9a839f4f43621f972afe5ab1
Signed-off-by: Kshitij Sisodia <kshitij.sisodia@arm.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/driver_library/python/src/ethosu_driver/swig/standard_header.i b/driver_library/python/src/ethosu_driver/swig/standard_header.i
new file mode 100644
index 0000000..03cf015
--- /dev/null
+++ b/driver_library/python/src/ethosu_driver/swig/standard_header.i
@@ -0,0 +1,50 @@
+//
+// SPDX-FileCopyrightText: Copyright 2021-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
+// SPDX-License-Identifier: Apache-2.0
+//
+%include "stl.i"
+%include "cstring.i"
+%include "std_string.i"
+%include "std_vector.i"
+%include "std_unordered_set.i"
+%include "std_pair.i"
+%include "stdint.i"
+%include "carrays.i"
+%include "exception.i"
+%include "typemaps.i"
+%include "std_iostream.i"
+%include "std_shared_ptr.i"
+
+%ignore *::operator=;
+%ignore *::operator[];
+
+
+// Define exception typemap to wrap exception into python exception.
+
+%exception{
+    try {
+        $action
+    } catch (const EthosU::Exception& e) {
+        SWIG_exception(SWIG_RuntimeError, const_cast<char*>(e.what()));
+    }
+};
+
+%exception __getitem__ {
+    try {
+        $action
+    } catch (const std::out_of_range &e) {
+        SWIG_exception(SWIG_IndexError, const_cast<char*>(e.what()));
+    } catch (const std::exception &e) {
+        SWIG_exception(SWIG_RuntimeError, const_cast<char*>(e.what()));
+    }
+};
+
+%exception __setitem__ {
+    try {
+        $action
+    } catch (const std::out_of_range &e) {
+        SWIG_exception(SWIG_IndexError, const_cast<char*>(e.what()));
+    } catch (const std::exception &e) {
+        SWIG_exception(SWIG_RuntimeError, const_cast<char*>(e.what()));
+    }
+};