Script python exécutable et sourceable par bash

py.sh

#!/bin/bash
## -*- python -*-
#
# This python script is callable and sourceable by bash.
#

## In bash, declare a variable script, assign value "#". In python, declare a
## variable script. Assign a heredoc containing the bash script.
script=""""
## BEGIN BASH

if [[ ${BASH_SOURCE[0]} = $0 ]]; then
    if [ -z "${1-}" ]; then
        # Show help
        sed -E '1d;/^#/!d;/^##/d;s/^# ?//' $0
        exit 1
    else
        set -eux
    fi
fi

## BASH FUNCTIONS

if [[ ${BASH_SOURCE[0]} = $0 ]]; then
    if declare -f "$1" >&2; then
        $@
    else
        exec python3 $0 $*
    fi
else
    echo ${BASH_SOURCE[0]} sourced
    return 0
fi

## Assert this statement is not reached in bash.
exit 1
## END BASH
"""  # " # Close quote for bash syntax highlighting.

## Drop script variable, and begin python script as usual.
del script

import sys

print(sys.argv)

Pour toi @jpic 😍