Add fallback for tz not being found

app/classes/shared/main_controller.py

@@ -9,20 +9,21 @@ from peewee import DoesNotExist
 
 # TZLocal is set as a hidden import on win pipeline
 from tzlocal import get_localzone
+from tzlocal.utils import ZoneInfoNotFoundError
 from apscheduler.schedulers.background import BackgroundScheduler
 
-from app.classes.controllers.crafty_perms_controller import CraftyPermsController
-from app.classes.controllers.management_controller import ManagementController
-from app.classes.controllers.users_controller import UsersController
-from app.classes.controllers.roles_controller import RolesController
-from app.classes.controllers.server_perms_controller import ServerPermsController
-from app.classes.controllers.servers_controller import ServersController
 from app.classes.models.server_permissions import EnumPermissionsServer
 from app.classes.shared.main_models import DatabaseShortcuts
 from app.classes.models.users import HelperUsers
 from app.classes.models.roles import HelperRoles
 from app.classes.models.management import HelpersManagement
 from app.classes.models.servers import HelperServers
+from app.classes.controllers.crafty_perms_controller import CraftyPermsController
+from app.classes.controllers.management_controller import ManagementController
+from app.classes.controllers.users_controller import UsersController
+from app.classes.controllers.roles_controller import RolesController
+from app.classes.controllers.server_perms_controller import ServerPermsController
+from app.classes.controllers.servers_controller import ServersController
 from app.classes.shared.authentication import Authentication
 from app.classes.shared.console import Console
 from app.classes.shared.helpers import Helpers
@@ -57,7 +58,13 @@ class Controller:
         self.users: UsersController = UsersController(
             self.helper, self.users_helper, self.authentication
         )
-        tz = get_localzone()
+        try:
+            tz = get_localzone()
+        except ZoneInfoNotFoundError:
+            logger.error(
+                "Could not capture time zone from system. Falling back to Europe/London"
+            )
+            tz = "Europe/London"
         self.support_scheduler: BackgroundScheduler = BackgroundScheduler(
             timezone=str(tz)
         )

app/classes/shared/server.py

@@ -13,6 +13,7 @@ import tempfile
 
 # TZLocal is set as a hidden import on win pipeline
 from tzlocal import get_localzone
+from tzlocal.utils import ZoneInfoNotFoundError
 from apscheduler.schedulers.background import BackgroundScheduler
 from apscheduler.jobstores.base import JobLookupError
 
@@ -125,7 +126,11 @@ class ServerInstance:
         self.stats = stats
         self.server_object = HelperServers.get_server_obj(self.server_id)
         self.stats_helper = HelperServerStats(self.server_id)
-        tz = get_localzone()
+        try:
+            tz = get_localzone()
+        except ZoneInfoNotFoundError:
+            logger.error("Could not capture time zone from system. Falling back to Europe/London")
+            tz = "Europe/London"
         self.server_scheduler = BackgroundScheduler(timezone=str(tz))
         self.server_scheduler.start()
         self.backup_thread = threading.Thread(

app/classes/shared/tasks.py

@@ -4,14 +4,16 @@ import logging
 import threading
 import asyncio
 import datetime
+
 from tzlocal import get_localzone
+from tzlocal.utils import ZoneInfoNotFoundError
 from apscheduler.events import EVENT_JOB_EXECUTED
 from apscheduler.schedulers.background import BackgroundScheduler
 from apscheduler.triggers.cron import CronTrigger
-from app.classes.controllers.users_controller import UsersController
 
 from app.classes.models.management import HelpersManagement
 from app.classes.models.users import HelperUsers
+from app.classes.controllers.users_controller import UsersController
 from app.classes.shared.console import Console
 from app.classes.shared.helpers import Helpers
 from app.classes.shared.main_controller import Controller
@@ -41,8 +43,11 @@ class TasksManager:
         self.helper: Helpers = helper
         self.controller: Controller = controller
         self.tornado: Webserver = Webserver(helper, controller, self)
-
-        self.tz = get_localzone()
+        try:
+            self.tz = get_localzone()
+        except ZoneInfoNotFoundError:
+            logger.error("Could not capture time zone from system. Falling back to Europe/London")
+            self.tz = "Europe/London"
         self.scheduler = BackgroundScheduler(timezone=str(self.tz))
 
         self.users_controller: UsersController = self.controller.users

app/classes/web/panel_handler.py

@@ -15,13 +15,14 @@ from tornado import iostream
 
 # TZLocal is set as a hidden import on win pipeline
 from tzlocal import get_localzone
+from tzlocal.utils import ZoneInfoNotFoundError
 from croniter import croniter
-from app.classes.controllers.roles_controller import RolesController
 
 from app.classes.models.servers import Servers
 from app.classes.models.server_permissions import EnumPermissionsServer
 from app.classes.models.crafty_permissions import EnumPermissionsCrafty
 from app.classes.models.management import HelpersManagement
+from app.classes.controllers.roles_controller import RolesController
 from app.classes.shared.helpers import Helpers
 from app.classes.shared.main_models import DatabaseShortcuts
 from app.classes.web.base_handler import BaseHandler
@@ -276,10 +277,18 @@ class PanelHandler(BaseHandler):
                 user_order.remove(server_id)
         defined_servers = page_servers
 
+        try:
+            tz = get_localzone()
+        except ZoneInfoNotFoundError:
+            logger.error(
+                "Could not capture time zone from system. Falling back to Europe/London"
+            )
+            tz = "Europe/London"
+
         page_data: t.Dict[str, t.Any] = {
             # todo: make this actually pull and compare version data
             "update_available": False,
-            "serverTZ": get_localzone(),
+            "serverTZ": tz,
             "version_data": self.helper.get_version_string(),
             "user_data": exec_user,
             "user_role": exec_user_role,