open_and_close_cd_tray.py

#!/usr/bin/python3

from platform import system as platform_name
from os import system
import ctypes

platforms_dictionary = {
    "Windows": {
                "open" : 'ctypes.windll.WINMM.mciSendStringW(u"set cdaudio door open", None, 0, None)',
                "close": 'ctypes.windll.WINMM.mciSendStringW(u"set cdaudio door closed", None, 0, None)'
               },
    "Darwin":  {
                "open" : 'system("drutil tray open")',
                "close": 'system("drutil tray closed")'
               },
    "Linux":   {
                "open" : 'system("eject cdrom")',
                "close": 'system("eject -t cdrom")'
               },
    "NetBSD":  {
                "open" : 'system("eject cd")',
                "close": 'system("eject -t cd")'
               },
    "FreeBSD": {
                "open" : 'system("sudo cdcontrol eject")',
                "close": 'system("sudo cdcontrol close")'
               }
}

if platform_name() in platforms_dictionary:
    exec(platforms_dictionary[platform_name()]["open"])
    exec(platforms_dictionary[platform_name()]["close"])
else:
    print("Sorry, no OS found")

https://www.faqforge.com/linux/eject-cddvd-tray-command-line-linux/

eject /dev/cdrom
eject /dev/cdrw
eject /dev/dvd
eject /dev/dvdrom
eject /dev/dvdrw