Improve error message

Author: mathoudebine

configure.py

@@ -32,32 +32,22 @@
         sys.exit(0)
     except:
         os._exit(0)
-IMPORT_ERRORS = ''
+
 try:
     import tkinter.ttk as ttk
     from tkinter import *
     from PIL import ImageTk
-except Exception as e:
-    IMPORT_ERRORS += e.msg
-    IMPORT_ERRORS += "\n"
-
-try:
     import psutil
     import ruamel.yaml
     import sv_ttk
     from PIL import Image
     from serial.tools.list_ports import comports
     from tktooltip import ToolTip
 except Exception as e:
-    IMPORT_ERRORS += e.msg
-    IMPORT_ERRORS += "\n"
-
-if IMPORT_ERRORS:
-    IMPORT_ERRORS += "\n"
-    IMPORT_ERRORS += "Please follow start guide: https://github.com/mathoudebine/turing-smart-screen-python/wiki/System-monitor-:-how-to-start"
-    IMPORT_ERRORS += "\n"
-    IMPORT_ERRORS += "Or the troubleshooting page troubleshooting page: https://github.com/mathoudebine/turing-smart-screen-python/wiki/Troubleshooting#all-os-tkinter-dependency-not-installed"
-    print(IMPORT_ERRORS)
+    print("""Import error: %s
+Please follow start guide to install required packages: https://github.com/mathoudebine/turing-smart-screen-python/wiki/System-monitor-:-how-to-start
+Or the troubleshooting page: https://github.com/mathoudebine/turing-smart-screen-python/wiki/Troubleshooting#all-os-tkinter-dependency-not-installed""" % str(
+        e))
     try:
         sys.exit(0)
     except:

main.py

@@ -48,21 +48,25 @@
         import win32con
         import win32gui
 
-    try:
-        import pystray
-    except:
-        pass
-except:
-    print(
-        "[ERROR] Python dependencies not installed. Please follow start guide: https://github.com/mathoudebine/turing-smart-screen-python/wiki/System-monitor-:-how-to-start")
+    from library.log import logger
+    import library.scheduler as scheduler
+    from library.display import display
+
+except Exception as e:
+    print("""Import error: %s
+Please follow start guide to install required packages: https://github.com/mathoudebine/turing-smart-screen-python/wiki/System-monitor-:-how-to-start
+Or the troubleshooting page: https://github.com/mathoudebine/turing-smart-screen-python/wiki/Troubleshooting#all-os-tkinter-dependency-not-installed""" % str(
+        e))
     try:
         sys.exit(0)
     except:
         os._exit(0)
 
-from library.log import logger
-import library.scheduler as scheduler
-from library.display import display
+try:
+    import pystray
+except:
+    # If pystray cannot be loaded do not stop the program, just ignore it. The tray icon will not be displayed.
+    pass
 
 if __name__ == "__main__":