Move error log handler to config object to be able to catch plugin load errors

src/Config.py

@@ -7,6 +7,7 @@ import configparser
 import logging
 import logging.handlers
 import stat
+import time
 
 
 class Config(object):
@@ -647,9 +648,26 @@ class Config(object):
 
         logging.getLogger('').name = "-"  # Remove root prefix
 
+        self.error_logger = ErrorLogHandler()
+        self.error_logger.setLevel(logging.getLevelName("ERROR"))
+        logging.getLogger('').addHandler(self.error_logger)
+
         if console_logging:
             self.initConsoleLogger()
         if file_logging:
             self.initFileLogger()
 
+
+class ErrorLogHandler(logging.StreamHandler):
+    def __init__(self):
+        self.lines = []
+        return super().__init__()
+
+    def emit(self, record):
+        self.lines.append([time.time(), record.levelname, self.format(record)])
+
+    def onNewRecord(self, record):
+        pass
+
+
 config = Config(sys.argv)

src/Ui/UiServer.py

@@ -14,17 +14,6 @@ from Debug import Debug
 import importlib
 
 
-class LogDb(logging.StreamHandler):
-    def __init__(self, ui_server):
-        self.lines = []
-        self.ui_server = ui_server
-        return super(LogDb, self).__init__()
-
-    def emit(self, record):
-        self.ui_server.updateWebsocket(log_event=record.levelname)
-        self.lines.append([time.time(), record.levelname, self.format(record)])
-
-
 # Skip websocket handler if not necessary
 class UiWSGIHandler(WebSocketHandler):
 
@@ -93,10 +82,10 @@ class UiServer:
         self.site_manager = SiteManager.site_manager
         self.sites = SiteManager.site_manager.list()
         self.log = logging.getLogger(__name__)
+        config.error_logger.onNewRecord = self.handleErrorLogRecord
 
-        self.logdb_errors = LogDb(ui_server=self)
+    def handleErrorLogRecord(self, record):
-        self.logdb_errors.setLevel(logging.getLevelName("ERROR"))
+        self.updateWebsocket(log_event=record.levelname)
-        logging.getLogger('').addHandler(self.logdb_errors)
 
     # After WebUI started
     def afterStarted(self):

src/Ui/UiWebsocket.py

@@ -1123,7 +1123,7 @@ class UiWebsocket(object):
     @flag.admin
     @flag.no_multiuser
     def actionServerErrors(self, to):
-        return self.server.logdb_errors.lines
+        return config.error_logger.lines
 
     @flag.admin
     @flag.no_multiuser