Update timezone setting on miyoo flip to match what miyoo stock os expects

Author: chrisj951

main-ui/devices/miyoo/flip/miyoo_flip.py

@@ -1,6 +1,7 @@
 import inspect
 from pathlib import Path
 import re
+import shutil
 import subprocess
 import threading
 import time
@@ -138,7 +139,6 @@ def startup_init(self, include_wifi=True):
                 self.start_wifi_services()
 
         self.init_bluetooth()
-        self.apply_timezone(self.system_config.get_timezone())
 
     def init_bluetooth(self):
         if(self.system_config.is_bluetooth_enabled()):
@@ -360,11 +360,32 @@ def prompt_timezone_update(self):
             self.system_config.set_timezone(tz)
             self.apply_timezone(tz)
 
+
     def apply_timezone(self, timezone):
-        os.environ['TZ'] = timezone
-        time.tzset()  
-        #If we set the time be sure to
-        #export TZ='{timezone}'
+        zoneinfo_path = f"/usr/share/zoneinfo/{timezone}"
+        localtime_path = "/userdata/localtime"
+        timezone_path = "/userdata/timezone"
+
+        if not os.path.isfile(zoneinfo_path):
+            Display.write_message_multiline([f"Error getting timezone file",
+                                             f"Does not appear to be a file",f"{timezone}"
+                                             ],3_000)
+            return
+
+        def safe_delete(path):
+            if os.path.lexists(path):
+                if os.path.isdir(path) and not os.path.islink(path):
+                    shutil.rmtree(path)
+                else:
+                    os.remove(path)
+
+        safe_delete(localtime_path)
+        safe_delete(timezone_path)
+
+        shutil.copyfile(zoneinfo_path, localtime_path)
+        shutil.copyfile(localtime_path, timezone_path)
+
+        Display.display_message("May need to reboot to apply timezone setting",3_000)
 
     def set_theme(self, theme_path: str):
         MiyooTrimCommon.set_theme(MiyooFlip.MIYOO_STOCK_CONFIG_LOCATION, theme_path)