Ubuntu 17.04 xrandr Python3 script problem

gistfile1.txt

Python script from:

https://askubuntu.com/questions/665709/how-to-recover-offscreen-window-after-disconnecting-second-monitor/665899

Ubuntu 17.04 with 3 4K screens:


$ python3 stackoverflow_665899_try0.py 
Traceback (most recent call last):
  File "stackoverflow_665899_try0.py", line 9, in <module>
    if "+0+0" in s][0]
IndexError: list index out of range


$ xrandr
Screen 0: minimum 8 x 8, current 7680 x 4320, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected primary 3840x2160+3840+0 (normal left inverted right x axis y axis) 1600mm x 900mm
   3840x2160     60.00*+  59.94    29.97    25.00    23.98  
   4096x2160     59.94    29.97    25.00    24.00    23.98  
   1920x1080     60.00    59.94    29.97    23.97    60.00  
   1360x768      60.02  
   1280x1024     60.02  
   1280x720      60.00    59.94  
   1152x864      60.00  
   1024x768      60.00  
   800x600       60.32  
   720x480       59.94  
   640x480       59.95    59.94    59.93  
DP-0 connected 3840x2160+3840+2160 (normal left inverted right x axis y axis) 708mm x 398mm
   3840x2160     60.00*+  59.94    29.97    25.00    23.98  
   4096x2160     59.94    29.97    25.00    24.00    23.98  
   2288x1430     61.00  
   1920x1080     60.00    59.94    29.97    23.97    60.00  
   1440x480      60.05  
   1280x720      59.94  
   720x480       59.94  
   640x480       59.93  
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 connected 3840x2160+0+2160 (normal left inverted right x axis y axis) 607mm x 345mm
   3840x2160     60.00*+  30.00  
   2560x1440     59.95  
   1920x1080     60.00    59.94  
   1680x1050     59.95  
   1600x900      60.00  
   1440x900      59.89  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1280x720      60.00  
   1152x864      75.00  
   1024x768      75.03    70.07    60.00  
   800x600       75.00    72.19    60.32    56.25  
   640x480       75.00    72.81    59.94  
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)