Two steps to turn a Python file to a macOS installer

make_dmg.sh

#!/bin/sh

# References
# https://www.pythonguis.com/tutorials/packaging-pyqt5-applications-pyinstaller-macos-dmg/
# https://medium.com/@jackhuang.wz/in-just-two-steps-you-can-turn-a-python-script-into-a-macos-application-installer-6e21bce2ee71

# ---------------------------------------
# Clean up previous builds
# ---------------------------------------

echo "Cleaning up previous builds..."
rm -rf build dist/*

# ---------------------------------------
# Step 1: Convert Python script to an application bundle
# ---------------------------------------
echo "Converting Python script to macOS app bundle..."
# The following command will create a standalone .app from your Python script
pyinstaller --name 'CryptoSafePDF' \
            --icon 'CryptoSafePDF.ico' \
            --windowed \
            --add-data='./strong_beat.wav:.' \
            --add-data='./sub_strong_beat.wav:.' \
            --add-data='./weak_beat.wav:.' \
            main.py

# ---------------------------------------
# Step 2: Convert the application bundle to a DMG (macOS disk image)
# ---------------------------------------
echo "Creating DMG installer..."

# Prepare the folder for DMG creation
mkdir -p dist/dmg
rm -rf dist/dmg/*
cp -r "dist/CryptoSafePDF.app" dist/dmg

# Create the DMG
# Ensure you have 'create-dmg' installed. If not, install using 'brew install create-dmg'
create-dmg \
  --volname "CryptoSafePDF" \
  --volicon "CryptoSafePDF.ico" \
  --window-pos 200 120 \
  --window-size 600 300 \
  --icon-size 100 \
  --icon "CryptoSafePDF.app" 175 120 \
  --hide-extension "CryptoSafePDF.app" \
  --app-drop-link 425 120 \
  "dist/CryptoSafePDF.dmg" \
  "dist/dmg/"

echo "Packaging complete. You can find the DMG installer in the dist/ directory."

setup_and_package.sh

#!/bin/bash

# CryptoSafePDF Setup and Packaging Script for macOS

# 1. Install Homebrew (if not installed)
if ! command -v brew &>/dev/null; then
    echo "Installing Homebrew..."
    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
else
    echo "Homebrew already installed."
fi

# 2. Install create-dmg
if ! brew list create-dmg &>/dev/null; then
    echo "Installing create-dmg..."
    brew install create-dmg
else
    echo "create-dmg already installed."
fi

# 3. Install pyinstaller
if ! pip list | grep pyinstaller &>/dev/null; then
    echo "Installing pyinstaller..."
    pip install pyinstaller
else
    echo "pyinstaller already installed."
fi

# 4. Clean up previous builds
echo "Cleaning up previous builds..."
rm -rf build dist/*

# 5. Convert Python script to an application bundle
echo "Converting Python script to macOS app bundle..."
pyinstaller --name 'CryptoSafePDF' \
            --icon 'CryptoSafePDF.ico' \
            --windowed \
            --add-data='./strong_beat.wav:.' \
            --add-data='./sub_strong_beat.wav:.' \
            --add-data='./weak_beat.wav:.' \
            main.py

# 6. Create the DMG installer
echo "Creating DMG installer..."
mkdir -p dist/dmg
rm -rf dist/dmg/*
cp -r "dist/CryptoSafePDF.app" dist/dmg
create-dmg \
  --volname "CryptoSafePDF" \
  --volicon "CryptoSafePDF.ico" \
  --window-pos 200 120 \
  --window-size 600 300 \
  --icon-size 100 \
  --icon "CryptoSafePDF.app" 175 120 \
  --hide-extension "CryptoSafePDF.app" \
  --app-drop-link 425 120 \
  "dist/CryptoSafePDF.dmg" \
  "dist/dmg/"

echo "Packaging complete. You can find the DMG installer in the dist/ directory."

To call and run installer.py from main.py, you can use one of the following methods:

1. Using the exec Function:
   This method allows you to execute a string as Python code. It's a straightforward way to run another Python script from within a script.

   # main.py
   with open('installer.py', 'r') as file:
       exec(file.read())

2. Using the subprocess Module:
   This method runs the script as a separate process. It's more versatile and allows for better control over the execution, capturing output, and error handling.

   # main.py
   import subprocess
   
   subprocess.run(["python", "installer.py"])

   Note: Replace python with python3 if that's the command you use to run Python scripts on your system.

3. Importing as a Module:
   If installer.py is structured in a way that allows it to be imported (i.e., it doesn't execute code when imported), you can simply import it and call its functions.

   # main.py
   import installer
   
   # Call functions from installer.py if needed

   For this to work without modifications, you'd typically structure installer.py with a main guard:

   # installer.py
   def main():
       # All the main code of installer.py
   
   if __name__ == "__main__":
       main()

   Then, in main.py, you can call the main() function of installer.py:

   # main.py
   import installer
   
   installer.main()