@@ 1,7 1,7 @@ 
 # -*- coding: utf-8 -*-
 
 
-class SyslogMatrix(object):
+class SyslogMatrix:
     LEVELS = (
         "emergency",
         "alert",

          

@@ 30,8 30,8 @@ def convert_rfc5424_to_rfc3164(message):
     timestamp_rfc3164 = timestamp_dt.strftime("%b %d %H:%M:%S")
 
     # Rearrange the fields according to RFC-3164 format
-    rfc3164_message = "<{}>{} {}: {}".format(
-        rfc3164_pri, timestamp_rfc3164, hostname, message
+    rfc3164_message = (
+        f"<{rfc3164_pri}>{timestamp_rfc3164} {hostname}: {message}"
     )
 
     return rfc3164_message

          

@@ 73,7 73,7 @@ class SyslogUDPServer:
                 await self.db.close()
             except Exception as e:
                 if DEBUG:
-                    print("Error while closing the database connection:", e)
+                    print(f"Error while closing the database connection: {e}")
 
     async def shutdown(self):
         # Stop the server

          
@@ 132,21 132,16 @@ class SyslogUDPServer:
         data = data.decode()
         data = convert_rfc5424_to_rfc3164(data)
         if LOG_DUMP:
-            print("\n  DATA:", data)
+            print(f"\n  DATA: {data}")
         datetime_hostname_program = data[data.find(">") + 1 : data.find(": ")]
         m, d, t, hostname = datetime_hostname_program.split()[:4]
-        formatted_datetime = "%s %s %s %s" % (m, d.zfill(2), t, ReceivedAt.year)
+        formatted_datetime = f"{m} {d.zfill(2)} {t} {ReceivedAt.year}"
         DeviceReportedTime = datetime.strptime(
             formatted_datetime, "%b %d %H:%M:%S %Y"
         )
         time_delta = ReceivedAt - DeviceReportedTime
         if abs(time_delta.days) > 1:
-            formatted_datetime = "%s %s %s %s" % (
-                m,
-                d.zfill(2),
-                t,
-                ReceivedAt.year - 1,
-            )
+            formatted_datetime = f"{m} {d.zfill(2)} {t} {ReceivedAt.year - 1}"
             DeviceReportedTime = datetime.strptime(
                 formatted_datetime, "%b %d %H:%M:%S %Y"
             )

          
@@ 185,8 180,8 @@ class SyslogUDPServer:
             sql_command = SQL
 
             if SQL_DUMP:
-                print("\n   SQL:", sql_command)
-                print("\nPARAMS:", params)
+                print(f"\n   SQL: {sql_command}")
+                print(f"\nPARAMS: {params}")
 
             if SQL_WRITE:
                 try:

          
@@ 194,9 189,9 @@ class SyslogUDPServer:
                         pass
                 except Exception as e:
                     if DEBUG:
-                        print("\n   SQL:", sql_command)
-                        print("\nPARAMS:", params)
-                        print("\nEXCEPT:", e)
+                        print(f"\n   SQL: {sql_command}")
+                        print(f"\nPARAMS: {params}")
+                        print(f"\nEXCEPT: {e}")
                     await self.db.rollback()
                 else:
                     await self.db.commit()

          
@@ 225,7 220,7 @@ class DatagramProtocol:
 
     def error_received(self, exc):
         if DEBUG:
-            print("Error received:", exc)
+            print(f"Error received: {exc}")
 
     def connection_lost(self, exc):
         if DEBUG:

          
@@ 245,7 240,7 @@ if __name__ == "__main__":
     except (IOError, SystemExit):
         raise
     except Exception as e:
-        print("Error occurred:", e)
+        print(f"Error occurred: {e}")
     finally:
         print("Shutting down the server...")
         syslog_server.stop()