How to change printer preference settings using python

Question

I'm new to python and want to change the printer preference settings. I'm using win32print library and need to change PyDEVMODE Object properties given on link http://timgolden.me.uk/pywin32-docs/PyDEVMODE.html as per requirement.But facing problem in crating object.

I have tried this- Python win32print changing advanced printer options

getting error "name 'pDevModeObj' is not defined"

PRINTER_DEFAULTS = {"DesiredAccess":win32print.PRINTER_ALL_ACCESS}  
pHandle = win32print.OpenPrinter('300LN1', PRINTER_DEFAULTS)  
properties = win32print.GetPrinter(pHandle, 2)  
pDevModeObj.Orientation = 2  
properties["pDevMode"]=pDevModeObj   
win32print.SetPrinter(pHandle,2,properties,0)

Thanks, but I cannot see the changes made in orientation after running the script. It is same as before i.e. Auto portrait/landscape @MarkRansom — user11576702, Oct 24 '19 at 23:27
Sorry, the only time I've tried to change printer properties it was from C++ where these things are much more straightforward. — Mark Ransom, Oct 24 '19 at 23:55

score 0 · Answer 1 · answered Jan 21 '20 at 14:54

This code will obviously give error.

As you are using pDevModeObj before its creation. Even in next line, you are not assigning value to pDevModeObj but rather assigning variable pDevModeObj to properties["pDevMode"], which does not work in Python.

The fix to your existing solution would be:

PRINTER_DEFAULTS = {"DesiredAccess":win32print.PRINTER_ALL_ACCESS}  
pHandle = win32print.OpenPrinter('300LN1', PRINTER_DEFAULTS)  
properties = win32print.GetPrinter(pHandle, 2)
pDevModeObj = properties["pDevMode"]
pDevModeObj.Orientation = 2  
win32print.SetPrinter(pHandle,2,properties,0)
win32print.ClosePrinter(pHandle)

How to change printer preference settings using python

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