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https://github.com/novoid/set_desktop_background_according_to_season

Sets the desktop backgrounds of OS X 10.5 according to photographs which are from a similar season
https://github.com/novoid/set_desktop_background_according_to_season

desktop-wallpaper personal-information-management photographs pim

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Sets the desktop backgrounds of OS X 10.5 according to photographs which are from a similar season

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README 

        
## -*- mode: org; coding: utf-8 -*-

## Time-stamp: <2014-08-29 16:28:55 vk>

## This file is best viewed with GNU Emacs Org-mode: http://orgmode.org/



* set_desktop_background_according_to_season.py



This Python script sets your desktop background image according to

the current season.



*DISCLAINER:* This is a works-for-me-solution which is adopted to my

work flows and my computer. It works on a Mac OS X 10.5 with Python

version 2.7 (from [[https://www.macports.org/][MacPorts]]) and some tools installed form

[[https://www.macports.org/][MacPorts]]. Sorry, you have to go through the whole script in order to

modify it that it meets your situation.



What it does:



- get system idle time

  - using shell script with ioreg

- if idle time is less than IDLE_TIME_BORDER minutes continue (else exit)

- re-generate FILE_WITH_IMAGEFILES if it is older than

  REGENERATE_FILE_WITH_IMAGEFILES_NOT_WITHIN hours

- read-in FILE_WITH_IMAGEFILES from LIST_OF_PATHS_TO_QUERY and parse

  for ISO timestamps in filenames

- *randomly choose a file* which has a day (ignoring year) that is

  within ~days-before~ and ~days-after~ (parameters) of today.

- *set this file as new desktop background*



Source: https://github.com/novoid/set_desktop_background_according_to_season



- *target group*: Users of OS X who want to get more control over the

  selection of the desktop background images used

- *skills necessary*:

  - create scheduled execution of commands (LaunchD)

  - modifying settings in a Python script file



** Why



Let's face it: This is nothing most people spend a thought on. I did

it because I can and it was fun writing it :-)



I've had my OS X configured to switch desktop backgrounds every 15

minutes. The images I chose from was a collection of photographs I

took with special tags in their file name: "(desktoppicture)" or

"(dp)" or "specialL".



This way, I get a nice slide show on cool moments I took a photo.



Imagine a hot summer day and imagine that you get christmas

photographs as background images. Not quite matching in my opinion.



How about desktop backgrounds that match the current season?



My photographs contain a time stamp:

"2003-09-09T14.58 green hills and blue sky - very nice (desktoppicture).jpg"



Please do read [[http://karl-voit.at/managing-digital-photographs][this blog article]] if you want to know more on how I

manage my digital photographs using very simple things.



It is very easy to match seasons by looking for file name whose time

stamp is similar to the current season (+/- one month if you want).



So this is it.



* Periodically running this script 



On my OS X 10.5 there is no crond, unfortunately. Instead, I have to

use LaunchD.



create a file like "~/Library/LaunchAgents/switchdesktopbackground.plist"



: 

: 

: 

: 

:         Label

:         switchdesktopbackground.plist

:         UserName

:         vk

:         ProgramArguments

:         

:                 /Users/vk/bin/set_desktop_background_according_to_season.py

:                 --days-after 10

:                 --days-before 30

:                 --quiet

:         

:         StartInterval

:         937

: 

: 



Append the script to the running LaunchD server using:

: launchctl load ~/Library/LaunchAgents/switchdesktopbackground.plist



After a re-boot, the agent should be started automatically. Although

on my system, this does not work each time :-O



* How to open the current desktop image



Sometimes, it is quite handy to open the current desktop image shown

in your favorite image viewer.



You can achieve this easily by using the "--openscript=FILE" feature:



: set_desktop_background_according_to_season.py --openscript=~/Desktop/open-background.sh -a 10 -b 30



To display the current desktop image, use the following command:



: sh ~/Desktop/open-background.sh



* Using appscript



I had to install appscript using:

: cd /opt/local/Library/Frameworks/Python.framework/Versions/2.7/bin

: sudo ./easy_install appscript



You can check the basic appscript functionality to set desktop

backgrounds with:



#+BEGIN_SRC python

from appscript import *



f = '/Users/username/images/2012-02-18T11.17.52_img_2153.jpg'

se = app('System Events')

desktops = se.desktops.display_name.get()

for d in desktops:

    desk = se.desktops[its.display_name == d]

    desk.picture.set(mactypes.File(f))

#+END_SRC



* Contribute!



I am looking for your ideas!



If you want to contribute to this cool project, please fork and

contribute!



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