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49 lines
1.1 KiB
Python
49 lines
1.1 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: 2018-2026 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
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import sys
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import rich_click as click
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from esp_pylib.cli_types import AnyIntType
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__version__ = '1.0'
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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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@click.command(
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context_settings={'help_option_names': ['-h', '--help']},
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help='Generates an empty binary file of the required size.',
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)
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@click.argument('size', type=AnyIntType(), metavar='SIZE')
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@click.argument('output', type=click.Path(), required=False, default='-')
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def cli(size, output):
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if size > 0:
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generate_blanked_file(size, output)
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def main():
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cli()
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if __name__ == '__main__':
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from esp_pylib.excepthook import install_exception_reporting
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install_exception_reporting()
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main()
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