Copy Android MTP files using linux terminal or python; error Operation not supported

i'm trying to create my own python script to backup Android images.i can see the Android mounted well, and i can move files back and forth using nautilus but not from CLI

the CLI error is "Operation not supported"

hkhrais@Hkhrais:/run/user/1000/gvfs/mtp:host=%5Busb%3A002%2C006%5D/Phone/Download$ cp  DSC03951.JPG /home/hkhrais/Desktop/

cp: cannot open ‘DSC03951.JPG’ for reading: Operation not supported

python code

try:
            shutil.copyfile('/run/user/1000/gvfs/mtp:host=%5Busb%3A002%2C006%5D/Phone/Download/DSC03951.JPG', "/home/hkhrais/Desktop/test")

except:
    raise


Traceback (most recent call last):
  File "scriptt.py", line 33, in <module>
    main()
  File "scriptt.py", line 18, in main
    shutil.copyfile(img, "/home/hkhrais/Desktop/test")
  File "/usr/lib/python2.7/shutil.py", line 82, in copyfile
    with open(src, 'rb') as fsrc:
IOError: [Errno 95] Operation not supported: '/run/user/1000/gvfs/mtp:host=%5Busb%3A002%2C006%5D/Phone/Download/DSC03951.JPG'

Android 4.2.2 Python 2.7 Ubuntu 14.4

any idea or alternative way please ?