Package an executable binary file into a python script

package_python.sh

#!/usr/bin/env bash

set -Eeuo pipefail

function main() {
  local input_file="$1"
  cat <<EOF
from __future__ import print_function

import bz2
import os
import sys

data = (
$(bzip2 <"$input_file" | base64 | sed "s/\(.*\)/    '\1'/")
)

def main():
    with open('main', 'wb') as file:
        file.write(bz2.decompress(data.decode('base64')))
    os.chmod('main', 0o755)
    os.execv('./main', ['main'] + sys.argv[1:])

if __name__ == '__main__':
    main()
EOF
}

main "$@"