from perm-banana import Permission, Check, banana
@banana
class MyPermission(Permission)
can_read_messages = Check(Permission(0b1))
can_write_messages = Check(Permission(0b10))
basic_user = can_read_message | can_write_messages
user = MyPermission(0b11)
if user.basic_user:
print("permission granted")
else:
print("permission denied")