pack several python scripts to an executable archive

pyzip

#!/bin/bash 
# packs python scripts to an executable, the first script must be the main script
# example: pyzip quotes find_quotes.py dx.py

name=$(basename "$0")
usage="$name name_of_executable main_script.py [other python scripts]"

executable=${1?usage}
main_script=${2?usage}
scripts=${@:3}

tmp="$$"
mkdir "$tmp"
cp $main_script "$tmp/__main__.py"
for s in $scripts; do
    cp $s "$tmp/" 
done

zip --junk-paths "$tmp/$executable.zip" $tmp/*.py
echo '#!/usr/bin/env python' | cat - "$tmp/$executable.zip" > "$executable"
rm  -r "$tmp"
chmod +x "$executable"