| #!env/bin/python3 |
| |
| # Copyright (c) 2021 Arm Limited. All rights reserved. |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # 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. |
| |
| """ |
| Utility script to convert a given text file with labels (annotations for an |
| NN model output vector) into a vector list initialiser. The intention is for |
| this script to be called as part of the build framework to auto-generate the |
| cpp file with labels that can be used in the application without modification. |
| """ |
| import datetime |
| from pathlib import Path |
| from argparse import ArgumentParser |
| |
| from jinja2 import Environment, FileSystemLoader |
| |
| parser = ArgumentParser() |
| |
| # Label file path |
| parser.add_argument("--labels_file", type=str, help="Path to the label text file", required=True) |
| # Output file to be generated |
| parser.add_argument("--source_folder_path", type=str, help="path to source folder to be generated.", required=True) |
| parser.add_argument("--header_folder_path", type=str, help="path to header folder to be generated.", required=True) |
| parser.add_argument("--output_file_name", type=str, help="Required output file name", required=True) |
| # Namespaces |
| parser.add_argument("--namespaces", action='append', default=[]) |
| # License template |
| parser.add_argument("--license_template", type=str, help="Header template file", |
| default="header_template.txt") |
| |
| args = parser.parse_args() |
| |
| env = Environment(loader=FileSystemLoader(Path(__file__).parent / 'templates'), |
| trim_blocks=True, |
| lstrip_blocks=True) |
| |
| |
| def main(args): |
| # Get the labels from text file |
| with open(args.labels_file, "r") as f: |
| labels = f.read().splitlines() |
| |
| # No labels? |
| if len(labels) == 0: |
| raise Exception(f"no labels found in {args.label_file}") |
| |
| header_template = env.get_template(args.license_template) |
| hdr = header_template.render(script_name=Path(__file__).name, |
| gen_time=datetime.datetime.now(), |
| file_name=Path(args.labels_file).name, |
| year=datetime.datetime.now().year) |
| |
| hpp_filename = Path(args.header_folder_path) / (args.output_file_name + ".hpp") |
| env.get_template('Labels.hpp.template').stream(common_template_header=hdr, |
| filename=args.output_file_name.upper(), |
| namespaces=args.namespaces) \ |
| .dump(str(hpp_filename)) |
| |
| cc_filename = Path(args.source_folder_path) / (args.output_file_name + ".cc") |
| env.get_template('Labels.cc.template').stream(common_template_header=hdr, |
| labels=labels, |
| labelsSize=len(labels), |
| namespaces=args.namespaces) \ |
| .dump(str(cc_filename)) |
| |
| |
| if __name__ == '__main__': |
| main(args) |