50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
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#!/usr/bin/env python3
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#
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# Copyright (c) 2017 Intel Corporation
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#
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# SPDX-License-Identifier: Apache-2.0
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# This converts a file to a list of hex characters which can then
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# be included to a source file.
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# Optionally, the output can be compressed if needed.
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import argparse
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import codecs
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import gzip
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import io
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def parse_args():
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global args
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parser = argparse.ArgumentParser(description = __doc__,
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formatter_class = argparse.RawDescriptionHelpFormatter)
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parser.add_argument("-f", "--file", required=True, help="Input file")
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parser.add_argument("-g", "--gzip", action="store_true",
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help="Compress the file using gzip before output")
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args = parser.parse_args()
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def get_nice_string(list_or_iterator):
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return ", ".join( "0x" + str(x) for x in list_or_iterator)
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def make_hex(chunk):
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hexdata = codecs.encode(chunk, 'hex').decode("utf-8")
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hexlist = map(''.join, zip(*[iter(hexdata)]*2))
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print(get_nice_string(hexlist) + ',')
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def main():
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parse_args()
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if args.gzip:
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with open(args.file, 'rb') as fg:
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content = io.BytesIO(gzip.compress(fg.read(), compresslevel=9))
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for chunk in iter(lambda: content.read(8), b''):
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make_hex(chunk)
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else:
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with open(args.file, "rb") as fp:
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for chunk in iter(lambda: fp.read(8), b''):
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make_hex(chunk)
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if __name__ == "__main__":
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main()
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