Using os.system to print in Python using Linux

Question

I have searched everywhere for this and could not find an answer. I am using os.system to print to a printer, but it prints it off as a portrait and I need it to print off as Landscape. I assume there is a simple way to add something within the os.system command to get this to work, but I cannot figure out what it is. This is how I am printing it off right now:

os.system('lp "file.png"')

Jahaja · Accepted Answer · 2013-07-30 19:38:00Z

1

Try os.system('lp -o landscape "file.png"')

answered Jul 30, 2013 at 19:38

Jahaja

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4 Comments

hunter21188 Over a year ago

I tried that, however, all it did was shift the image to the right side of the page. I also tried os.system('lpr -o landscape "file.png"').

Jahaja Over a year ago

Hmm, anything strange in the options if you use lpoptions -l?

hunter21188 Over a year ago

The only thing that sticks out is the "Rotate/180 Rotate:" is marked as false instead of true. I would think if that would be true it would print properly? Outside of that, everything seems normal.

hunter21188 Over a year ago

Turns out it was a bug in the printer software. I reverted it to a previous version and the -o landscape worked. Thanks!

Yauhen Yakimovich · Accepted Answer · 2013-09-06 17:53:38Z

0

Ok it was a bug, but just a hint on convenience:

I usually replace os.system with the following snippet

from subprocess import (PIPE, Popen)


def invoke(command):
    '''
    Invoke process and return its output.
    '''
    return Popen(command, stdout=PIPE, shell=True).stdout.read()

or if you want to be more comfortable with sh, try

from sh import lp

lp('-o', 'landscape', 'file.png')

edited Sep 6, 2013 at 17:53

answered Sep 3, 2013 at 17:20

Yauhen Yakimovich

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1 Comment

Yauhen Yakimovich Over a year ago

Also see stackoverflow.com/questions/3791465/…

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