fix icon for linux distros

cs2tracker/app/app.py

@@ -1,7 +1,7 @@
 import ctypes
 import tkinter as tk
 from shutil import copy
-from tkinter import messagebox, ttk
+from tkinter import PhotoImage, messagebox, ttk
 from tkinter.filedialog import askopenfilename, asksaveasfile
 
 import sv_ttk
@@ -63,8 +63,10 @@ def _configure_window(self):
         if OS == OSType.WINDOWS:
             app_id = "cs2tracker.unique.id"
             ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(app_id)
-
-        window.iconbitmap(default=ICON_FILE)
+            window.iconbitmap(default=ICON_FILE)
+        else:
+            icon = PhotoImage(file=ICON_FILE)
+            window.iconphoto(True, icon)
 
         main_frame = MainFrame(window, self.scraper)
         main_frame.pack(expand=True, fill="both")

cs2tracker/constants.py

@@ -150,9 +150,9 @@ def copy_initial_files_with_popup():
 
 else:
     MODULE_DIR = os.path.dirname(os.path.abspath(__file__))
-    # The project directory doesn't really exist in this case
-    # (pip only installs contents of cs2tracker/cs2tracker in site-packages)
-    PROJECT_DIR = MODULE_DIR
+    # NOTE: The project directory doesn't really exist in this case when launched via pip
+    # (pip only installs contents of cs2tracker/cs2tracker in site-packages i.e. PROJECT_DIR = site-packages)
+    PROJECT_DIR = os.path.dirname(MODULE_DIR)
     DATA_DIR = os.path.join(MODULE_DIR, "data")
 
     CONFIG_FILE = os.path.join(DATA_DIR, "config.ini")
@@ -162,7 +162,7 @@ def copy_initial_files_with_popup():
     INVENTORY_IMPORT_SCRIPT = os.path.join(DATA_DIR, "get_inventory.js")
     NODE_MODULES = os.path.join(DATA_DIR, "node_modules")
 
-    ICON_FILE = os.path.join(DATA_DIR, "icon.ico")
+    ICON_FILE = os.path.join(DATA_DIR, "icon.ico" if OS == OSType.WINDOWS else "icon.png")
     BATCH_FILE = os.path.join(DATA_DIR, "cs2tracker_scraper.bat")
     INVENTORY_IMPORT_FILE = os.path.join(DATA_DIR, "inventory.json")
     INVENTORY_IMPORT_SCRIPT_DEPENDENCIES = [