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