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change_wallpaper_reddit.py
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change_wallpaper_reddit.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import argparse
import ctypes
import json
import os
import platform
import re
import sys
from collections import defaultdict
from configparser import ConfigParser
from io import StringIO
import praw
import requests
if sys.version_info <= (2, 6):
import commands as subprocess
else:
import subprocess
def load_config():
default = defaultdict(str)
default["subreddit"] = "wallpaper"
default["nsfw"] = "False"
default["time"] = "day"
default["display"] = "0"
default["output"] = "Pictures/Wallpapers"
config_path = os.path.expanduser("~/.config/change_wallpaper_reddit.rc")
section_name = "root"
try:
conf = ConfigParser(default)
with open(config_path, "r") as stream:
stream = StringIO("[{section_name}]\n{stream_read}".format(section_name=section_name,
stream_read=stream.read()))
if sys.version_info >= (3, 0):
conf.read_file(stream)
else:
conf.read_file(stream)
ret = {}
# Add a value to ret, printing an error message if there is an error
def add_to_ret(fun, name):
try:
ret[name] = fun(section_name, name)
except ValueError as e_code:
err_str = "Error in config file. Variable '{}': {}. The default '{}' will be used."
# print sys.stderr >> err_str.format(name, str(e_code), default[name])
ret[name] = default[name]
add_to_ret(conf.get, "subreddit")
add_to_ret(conf.getboolean, "nsfw")
add_to_ret(conf.getint, "display")
add_to_ret(conf.get, "time")
add_to_ret(conf.get, "output")
return ret
except IOError as e:
return default
config = load_config()
def parse_args():
"""parse args with argparse
:returns: arguments
"""
parser = argparse.ArgumentParser(description="Daily Reddit Wallpaper")
parser.add_argument("-s", "--subreddit", type=str, default=config["subreddit"],
help="Example: art, getmotivated, wallpapers, ...")
parser.add_argument("-t", "--time", type=str, default=config["time"],
help="Example: new, hour, day, week, month, year")
parser.add_argument("-n", "--nsfw", action='store_true', default=config["nsfw"], help="Enables NSFW tagged posts.")
parser.add_argument("-d", "--display", type=int, default=config["display"],
help="Desktop display number on OS X (0: all displays, 1: main display, etc")
parser.add_argument("-o", "--output", type=str, default=config["output"],
help="Set the outputfolder in the home directory to save the Wallpapers to.")
arguments = parser.parse_args()
return arguments
def get_top_image(sub_reddit):
"""Get image link of most upvoted wallpaper of the day
:sub_reddit: name of the sub reddit
:return: the image link
"""
submissions = sub_reddit.new(limit=10) if args.time == "new" else sub_reddit.hot(params={"t": args.time},
limit=10)
for submission in submissions:
ret = {"id": submission.id}
if not args.nsfw and submission.over_18:
continue
url = submission.url
# Strip trailing arguments (after a '?')
url = re.sub(R"\?.*", "", url)
ret['type'] = url.split(".")[-1]
if url.endswith(".jpg") or url.endswith(".png"):
ret["url"] = url
# Imgur support
elif ("imgur.com" in url) and ("/a/" not in url) and ("/gallery/" not in url):
if url.endswith("/new"):
url = url.rsplit("/", 1)[0]
id_toget = url.rsplit("/", 1)[1].rsplit(".", 1)[0]
ret["url"] = "http://i.imgur.com/{id}.jpg".format(id=id_toget)
else:
continue
return ret
def detect_desktop_environment():
"""Get current Desktop Environment
http://stackoverflow.com
/questions/2035657/what-is-my-current-desktop-environment
:return: environment
"""
environment = {}
if os.environ.get("KDE_FULL_SESSION") == "true":
environment["name"] = "kde"
environment["command"] = """
qdbus org.kde.plasmashell /PlasmaShell org.kde.PlasmaShell.evaluateScript '
var allDesktops = desktops();
print (allDesktops);
for (i=0;i<allDesktops.length;i++) {{
d = allDesktops[i];
d.wallpaperPlugin = "org.kde.image";
d.currentConfigGroup = Array("Wallpaper",
"org.kde.image",
"General");
d.writeConfig("Image", "file:///{save_location}")
}}
'
"""
elif os.environ.get("GNOME_DESKTOP_SESSION_ID"):
environment["name"] = "gnome"
environment["command"] = "gsettings set org.gnome.desktop.background picture-uri file://{save_location}"
elif os.environ.get("DESKTOP_SESSION") == "Lubuntu":
environment["name"] = "lubuntu"
environment["command"] = "pcmanfm -w {save_location} --wallpaper-mode=fit"
elif os.environ.get("DESKTOP_SESSION") == "mate":
environment["name"] = "mate"
environment["command"] = "gsettings set org.mate.background picture-filename {save_location}"
elif os.environ.get("DESKTOP_SESSION") == "i3":
environment["name"] = "i3"
environment["command"] = "feh --bg-scale {save_location}"
else:
try:
info = subprocess.getoutput("xprop -root _DT_SAVE_MODE")
if ' = "xfce4"' in info:
environment["name"] = "xfce"
except (OSError, RuntimeError):
environment = None
pass
return environment
if __name__ == '__main__':
args = parse_args()
subreddit = args.subreddit
save_dir = args.output
supported_linux_desktop_envs = ["gnome", "mate", "kde", "lubuntu", "i3"]
# Load credentials from credentials.json file
with open(os.path.dirname(os.path.realpath(sys.argv[0])) + '/credentials.json') as f:
params = json.load(f)
# Python Reddit Api Wrapper
r = praw.Reddit(client_id=params['client_id'],
client_secret=params['api_key'],
user_agent=f"Get top wallpaper from /r/{subreddit}")
# Get top image link
image = get_top_image(r.subreddit(subreddit))
if "url" not in image:
sys.exit("Error: No suitable images were found, the program is now exiting.")
# Request image
response = requests.get(image["url"], allow_redirects=False)
# If image is available, proceed to save
if response.status_code == requests.codes.ok:
# Get home directory and location where image will be saved
# (default location for Ubuntu is used)
home_dir = os.path.expanduser("~")
save_location = "{home_dir}/{save_dir}/{subreddit}-{id}.{image_type}".format(home_dir=home_dir,
save_dir=save_dir,
subreddit=subreddit,
id=image["id"],
image_type=image['type'])
if not os.path.isfile(save_location):
# Create folders if they don't exist
directory = os.path.dirname(save_location)
if not os.path.exists(directory):
os.makedirs(directory)
# Write to disk
with open(save_location, "wb") as fo:
for chunk in response.iter_content(4096):
fo.write(chunk)
# Check OS and environments
platform_name = platform.system()
if platform_name.startswith("Lin"):
# Check desktop environments for linux
desktop_environment = detect_desktop_environment()
if desktop_environment and desktop_environment["name"] in supported_linux_desktop_envs:
os.system(desktop_environment["command"].format(save_location=save_location))
else:
print("Unsupported desktop environment")
# Windows
if platform_name.startswith("Win"):
# Python 3.x
if sys.version_info >= (3, 0):
ctypes.windll.user32.SystemParametersInfoW(20, 0, save_location, 3)
# Python 2.x
else:
ctypes.windll.user32.SystemParametersInfoA(20, 0, save_location, 3)
# OS X/macOS
if platform_name.startswith("Darwin"):
if args.display == 0:
command = """
osascript -e 'tell application "System Events"
set desktopCount to count of desktops
repeat with desktopNumber from 1 to desktopCount
tell desktop desktopNumber
set picture to "{save_location}"
end tell
end repeat
end tell'
""".format(save_location=save_location)
else:
command = """osascript -e 'tell application "System Events"
set desktopCount to count of desktops
tell desktop {display}
set picture to "{save_location}"
end tell
end tell'""".format(display=args.display,
save_location=save_location)
os.system(command)
else:
sys.exit("Error: Image url is not available, the program is now exiting.")