esp-idf/components/partition_table/gen_empty_partition.py

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#!/usr/bin/env python
#
# generates an empty binary file
#
# This tool generates an empty binary file of the required size.
#
# SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
from __future__ import division, print_function, unicode_literals
import argparse
import sys
__version__ = '1.0'
quiet = False
def generate_blanked_file(size, output_path):
output = b'\xFF' * size
try:
stdout_binary = sys.stdout.buffer # Python 3
except AttributeError:
stdout_binary = sys.stdout
with stdout_binary if output_path == '-' else open(output_path, 'wb') as f:
f.write(output)
def main():
parser = argparse.ArgumentParser(description='Generates an empty binary file of the required size.')
parser.add_argument('size', help='Size of generated the file', type=str)
parser.add_argument('output', help='Path for binary file.', nargs='?', default='-')
args = parser.parse_args()
size = int(args.size, 0)
if size > 0:
generate_blanked_file(size, args.output)
return 0
class InputError(RuntimeError):
def __init__(self, e):
super(InputError, self).__init__(e)
if __name__ == '__main__':
try:
r = main()
sys.exit(r)
except InputError as e:
print(e, file=sys.stderr)
sys.exit(2)