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Using PyObjC and NSWorkspace to set the desktop picture. I am such a hypocrite!
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#!/usr/bin/python | |
'''Uses Cocoa classes via PyObjC to set a random desktop picture on all screens. | |
Tested on Mountain Lion and Mavericks. | |
See: | |
https://developer.apple.com/library/mac/documentation/cocoa/reference/applicationkit/classes/NSWorkspace_Class/Reference/Reference.html | |
https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Classes/NSURL_Class/Reference/Reference.html | |
https://developer.apple.com/library/mac/documentation/cocoa/reference/applicationkit/classes/NSScreen_Class/Reference/Reference.html | |
''' | |
import glob | |
import random | |
from AppKit import NSWorkspace, NSScreen | |
from Foundation import NSURL | |
pictures_glob = glob.glob("/Library/Desktop Pictures/*.jpg") | |
picture_path = random.choice(pictures_glob) | |
# generate a fileURL for the desktop picture | |
file_url = NSURL.fileURLWithPath_(picture_path) | |
# make image options dictionary | |
# we just make an empty one because the defaults are fine | |
options = {} | |
# get shared workspace | |
ws = NSWorkspace.sharedWorkspace() | |
# iterate over all screens | |
for screen in NSScreen.screens(): | |
# tell the workspace to set the desktop picture | |
(result, error) = ws.setDesktopImageURL_forScreen_options_error_( | |
file_url, screen, options, None) |
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