Automatically setup external monitors

autosetup_external_monitor.py

"""
Automatically setup external monitors so that it's to the right of the
internal screen

Prerequisite: [displayplacer](https://github.com/jakehilborn/displayplacer)

```bash
brew tap jakehilborn/jakehilborn && brew install displayplacer
```
"""
import subprocess

if __name__ == '__main__':
    internal_screen = subprocess.run("""displayplacer list | grep -B 2 "MacBook built in screen" | grep "Persistent screen id"  | awk -F": " '{print $NF}'""", shell=True, capture_output=True, text=True).stdout.strip()
    external_screen = subprocess.run("""displayplacer list | grep -B 2 "27 inch external" | grep "Persistent screen id"  | awk -F": " '{print $NF}'""", shell=True, capture_output=True, text=True).stdout.strip()

    displayplacer_command = f"""displayplacer "id:{internal_screen} res:1728x1117 scaling:on origin:(0,0) degree:0" "id:{external_screen} res:2560x1440 scaling:on origin:(1729,0) degree:0" """
    subprocess.run(displayplacer_command, shell=True, capture_output=True, text=True, check=True)