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#!/usr/bin/env python3
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Script to convert version 1.0 Raspberry Pi camera tuning files to version 2.0.
#
# Copyright 2022 Raspberry Pi Ltd
import argparse
import json
import sys
from ctt_pretty_print_json import pretty_print
def convert_v2(in_json: dict) -> str:
if 'version' in in_json.keys() and in_json['version'] != 1.0:
print(f'The JSON config reports version {in_json["version"]} that is incompatible with this tool.')
sys.exit(-1)
converted = {
'version': 2.0,
'target': 'bcm2835',
'algorithms': [{algo: config} for algo, config in in_json.items()]
}
return pretty_print(converted)
if __name__ == "__main__":
parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter, description=
'Convert the format of the Raspberry Pi camera tuning file from v1.0 to v2.0.\n')
parser.add_argument('input', type=str, help='Input tuning file.')
parser.add_argument('output', type=str, nargs='?',
help='Output converted tuning file. If not provided, the input file will be updated in-place.',
default=None)
args = parser.parse_args()
with open(args.input, 'r') as f:
in_json = json.load(f)
out_json = convert_v2(in_json)
with open(args.output if args.output is not None else args.input, 'w') as f:
f.write(out_json)
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