Generates a binary file for Linux from a Python source

py-compile.sh

#!/bin/zsh
#--------------------------------------------------------------
#        py-compile.sh
#
#  Generates a binary file for Linux from a Python source
#
#  Usage: py-compile.sh myfile.py
#--------------------------------------------------------------
set -e

python_file=$1
output_dir="/tmp/"
output_file="${python_file//\.py/}"

cat > Dockerfile_py <<EOF
FROM python:3.7.4-buster

WORKDIR /app

RUN pip install PyInstaller==3.4
EOF

dir_to_delete=('__pycache__'  'build' 'dist' 't.spec')
for dir in $dir_to_delete; do
    if [ -d "$dir" ] || [ -f "$dir" ]; then
        rm -rf $dir
    fi
done

if [[ ! $(docker images | grep python-compiler | head -1 | awk '{ print $1 }') ]]; then
    echo "Creating python-compiler:latest image..."
    docker build . -t python-compiler:latest -f Dockerfile_py
fi

echo "Running pyinstaller command in container..."
docker run --name pyc -ti -v $(pwd):/app python-compiler pyinstaller -F \
    /app/$python_file -n $output_file && docker cp pyc:/app/dist/$output_file $output_dir \
     && docker stop pyc && docker rm pyc

echo "Deleting Dockerfile..."
rm Dockerfile_py

echo "Done! Your binary file is in $output_dir"