The main actions with the wallpaper were not much rewritten and moved

src/functions/wallpaper.py

@@ -0,0 +1,93 @@
+from bs4 import BeautifulSoup
+
+import requests
+import urllib
+import sys
+import ctypes
+import os
+
+from .config import Config
+
+
+class Wallpaper(Config):
+	def __init__(self):
+		super().__init__()
+		self.url = "https://apod.nasa.gov/apod/"
+		self.config_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "config.ini")
+
+		self.full_page = requests.get(self.url)
+		self.soup = BeautifulSoup(self.full_page.content, 'html.parser')
+		self.lnk = None
+
+	def check(self):
+		config = Config.get_setting(self, path=self.config_path, section="Config", setting="wallpaper-link")
+
+		for link in self.soup.select("img"):
+			self.lnk = link["src"]
+
+		if self.lnk is None:
+			return "On the NASA website, they posted not a picture but a video, " \
+				"unfortunately, it will not work to install wallpaper"
+
+		if config == self.lnk:
+			return
+		else:
+			Config.update_setting(
+				self,
+				path=self.config_path,
+				section="Config",
+				setting="wallpaper-link",
+				value=self.lnk
+			)
+
+	def download(self):
+		try:
+			img = urllib.request.urlopen(self.url + self.lnk).read()
+			with open("everyNASA.jpg", "wb") as file:
+				file.write(img)
+		except requests.exceptions.ConnectionError:
+			return "Connection error, please try again later."
+
+	@staticmethod
+	def set():
+		if sys.platform == "win32":
+			ctypes.windll.user32.SystemParametersInfoW(20, 0, os.path.abspath("everyNASA.jpg"), 0)
+		elif sys.platform == "linux":
+			desk_env = os.environ.get("DESKTOP_SESSION")
+			if desk_env == "gnome":
+				os.system(
+					"gsettings set org.gnome.desktop.background "
+					"picture-uri 'file://{}'"
+					.format(
+						os.path.abspath(
+							"everyNASA.jpg"
+						)
+					)
+				)
+			elif desk_env == "plasma":
+				import dbus
+				jscript = """
+					var allDesktops = desktops();
+					print (allDesktops);
+					for (i=0;i<allDesktops.length;i++) {
+						d = allDesktops[i];
+						d.wallpaperPlugin = "%s";
+						d.currentConfigGroup = Array("Wallpaper", "%s", "General");
+						d.writeConfig("Image", "file://%s")
+				}
+				"""
+				bus = dbus.SessionBus()
+				plasma = dbus.Interface(
+					bus.get_object(
+						'org.kde.plasmashell',
+						'/PlasmaShell'),
+					dbus_interface='org.kde.PlasmaShell'
+				)
+
+				plasma.evaluateScript(jscript % ("org.kde.image", "org.kde.image", os.path.abspath("everyNASA.jpg")))
+			else:
+				return "Your desktop environment is not supported."
+		else:
+			return "Your operating system is not supported."
+
+		return "The wallpaper is installed."