MLECO-3036: Update to use Pathlib in Python scripts

* Pathlib used in Python scripts over os
* Bug fix for build_default.py
* Minor code style updates
 
Signed-off-by: Richard Burton <richard.burton@arm.com>
Change-Id: I5fc2e582a84443c3fb79250eb711b960d63ed8fd

1 files changed, 6 insertions, 5 deletions

diff --git a/scripts/py/rnnoise_dump_extractor.py b/scripts/py/rnnoise_dump_extractor.py
index 947a75a..ff79dcb 100644
--- a/scripts/py/rnnoise_dump_extractor.py
+++ b/scripts/py/rnnoise_dump_extractor.py
@@ -12,7 +12,6 @@
 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
-
 """
 This script can be used with the noise reduction use case to save
 the dumped noise reduced audio to a wav file.
@@ -20,14 +19,15 @@ the dumped noise reduced audio to a wav file.
 Example use:
 python rnnoise_dump_extractor.py --dump_file output.bin --output_dir ./denoised_wavs/
 """
+
 import soundfile as sf
 import numpy as np
 
 import argparse
 from os import path
-
 import struct
 
+
 def extract(fp, output_dir, export_npy):
     while True:
         filename_length = struct.unpack("i", fp.read(4))[0]
@@ -47,19 +47,20 @@ def extract(fp, output_dir, export_npy):
         if export_npy:
             output_file_name += ".npy"
             pack_format = "{}h".format(int(audio_clip_length/2))
-            npdata = np.array(struct.unpack(pack_format,audio_clip)).astype(np.int16)
+            npdata = np.array(struct.unpack(pack_format, audio_clip)).astype(np.int16)
             np.save(output_file_name, npdata)
             print("{} written to disk".format(output_file_name))
 
+
 def main(args):
     extract(args.dump_file, args.output_dir, args.export_npy)
 
+
 parser = argparse.ArgumentParser()
 parser.add_argument("--dump_file", type=argparse.FileType('rb'), help="Dump file with audio files to extract.", required=True)
 parser.add_argument("--output_dir", help="Output directory, Warning: Duplicated file names will be overwritten.", required=True)
 parser.add_argument("--export_npy", help="Export the audio buffer in NumPy format", action="store_true")
 args = parser.parse_args()
 
-if __name__=="__main__":
+if __name__ == "__main__":
     main(args)
-