Added xdg-compliant path for Linux and macOS

Created config.py

Moved system path logic to config.py

zut_app/config.py

@@ -0,0 +1,19 @@
+import os
+import platform
+
+USER_HOME = os.path.expanduser("~")
+WINDOWS_PATH = "zutui" # probably should be in %AppData% or something, but I'm not sure, so I won't change it
+LINUX_PATH = ".config/zutui"
+
+def get_config_path():
+    system = platform.system()
+    if system == "Windows":
+        APP_DIR = os.path.join(USER_HOME, WINDOWS_PATH)
+    elif system in ["Linux", "Darwin"]:
+        APP_DIR = os.path.join(USER_HOME, LINUX_PATH)
+    else:
+        print(f"System {system} not supported, aborting...")
+        exit(1)
+    if not os.path.exists(APP_DIR):
+        os.makedirs(APP_DIR)
+    return APP_DIR

zut_app/zut_client.py

@@ -1,13 +1,11 @@
-
 import requests
 from bs4 import BeautifulSoup
 import json
 import os
 
-USER_HOME = os.path.expanduser("~")
-APP_DIR = os.path.join(USER_HOME, "zutui")
-if not os.path.exists(APP_DIR):
-    os.makedirs(APP_DIR)
+from .config import get_config_path
+
+APP_DIR = get_config_path()
 
 CACHE_FILE = os.path.join(APP_DIR, "grades_cache.json")
 TIMEOUT = 10

zut_app/zutui.py

@@ -1,7 +1,5 @@
-
 import json
 import os
-import time
 from datetime import datetime
 from textual.app import App, ComposeResult
 from textual.containers import Container
@@ -10,11 +8,9 @@ from textual.screen import Screen
 from textual.binding import Binding
 
 from .zut_client import ZUT
+from .config import get_config_path
 
-USER_HOME = os.path.expanduser("~")
-APP_DIR = os.path.join(USER_HOME, "zutui")
-if not os.path.exists(APP_DIR):
-    os.makedirs(APP_DIR)
+APP_DIR = get_config_path()
 
 CONFIG_FILE = os.path.join(APP_DIR, "config.json")
 REFRESH_INTERVAL = 1800