Extended logger to allow several instances.

libraries/base/logger.py

 #
-#  engine
+# Aura Engine
 #
-#  Playout Daemon for autoradio project
+# Copyright (C) 2017-2020    
+#           David Trattnig <david.trattnig@subsquare.at>
+#           Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
 #
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
 #
-#  Copyright (C) 2017-2018 Gottfried Gaisbauer <gottfried.gaisbauer@servus.at>
-#
-#  This file is part of engine.
-#
-#  engine is free software: you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation, either version 3 of the License, or
-#  any later version.
-#
-#  engine is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with engine. If not, see <http://www.gnu.org/licenses/>.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
 #
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
 
@@ -28,19 +24,40 @@ from libraries.base.config import AuraConfig
 
 
 class AuraLogger():
+    """
+    AuraLogger Class
+
+    Logger for all Aura Engine components. The default
+    logger is `AuraEngine`. Other loggers are defined
+    by passing a custom name on instantiation. 
+    
+    The logger respects the log-level as defined in the
+    engine's configuration file.
+    """
     config = None
     logger = None
 
-    def __init__(self, config):
+
+
+    def __init__(self, config, name="AuraEngine"):
+        """
+        Constructor to create a new logger defined by 
+        the passed name.
+
+        Args:
+            name (String):  The name of the logger
+        """
         self.config = config
+        self.__create_logger(name)
+
 
-        self.__create_logger("AuraEngine")
 
     def __create_logger(self, name):
         """
-        Creates the logger instance for AuraEngine
-        :param name: LoggerName
-        :return:
+        Creates the logger instance for the given name.
+
+        Args:
+            name (String):  The name of the logger
         """
         lvl = self.config.get("loglevel")
 
@@ -50,7 +67,7 @@ class AuraLogger():
 
         if not self.logger.hasHandlers():
             # create file handler for logger
-            file_handler = logging.FileHandler(self.config.get("logdir") + "/engine.log")
+            file_handler = logging.FileHandler(self.config.get("logdir") + "/"+name+".log")
             file_handler.setLevel(lvl)
 
             # create stream handler for logger