disc_properties.py

import pycdlib

# Open the CD/DVD drive
try:
    cd = pycdlib.PyCdlib()
    cd.open('/dev/cdrom')
except IOError:
    print('No CD/DVD in tray.')
    exit()

# Get the disc information
disc_info = cd.get_disc_info()

# Print the disc properties to the console and file
with open('disc_info.txt','w') as f:
    for key, value in disc_info.items():
        f.write(key+': '+str(value)+'\n')
        print(key+':',value)

# Close the CD/DVD drive
cd.close()