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, 27 insertions, 0 deletions

diff --git a/driver_library/python/swig_generate.py b/driver_library/python/swig_generate.py
new file mode 100755
index 0000000..bdd43a3
--- /dev/null
+++ b/driver_library/python/swig_generate.py
@@ -0,0 +1,27 @@
+# SPDX-FileCopyrightText: Copyright 2021-2022 Arm Limited and/or its affiliates <open-source-office@arm.com>
+# SPDX-License-Identifier: Apache-2.0
+"""
+This script executes SWIG commands to generate C++ library wrappers.
+"""
+import subprocess
+from pathlib import Path
+
+__current_dir = Path(__file__).parent.absolute()
+
+
+def generate_wrap(name, extr_includes):
+    print('Generating wrappers for {}'.format(name))
+    subprocess.check_output("swig -v -c++ -python" +
+                            " -Wall" +
+                            " -o {}/src/ethosu_driver/_generated/{}_wrap.cpp ".format(__current_dir, name) +
+                            "-outdir {}/src/ethosu_driver/_generated ".format(__current_dir) +
+                            "{} ".format(extr_includes) +
+                            "-I{}/src/ethosu_driver/swig ".format(__current_dir) +
+                            "{}/src/ethosu_driver/swig/{}.i".format(__current_dir, name),
+                            shell=True,
+                            stderr=subprocess.STDOUT)
+
+
+if __name__ == "__main__":
+    includes = ["{}/../../driver_library/include".format(__current_dir)]
+    generate_wrap('driver', "-I{} ".format(' -I'.join(includes)))