Fix: Log-messages get formatted even if not output.

One should not use str.format() for log messages, as this will format
the string even if it is dropped due to the log level. Instead leave
formatting to the logging module .

Author: htgoebel

anonip.py

@@ -121,7 +121,7 @@ def run(self):
             if not line:
                 break
 
-            logger.debug("Got line: {}".format(line))
+            logger.debug("Got line: %r", line)
 
             yield self.process_line(line)
 
@@ -141,9 +141,7 @@ def process_ip(self, ip):
                     trunc_ip = trunc_ip + self.increment
                 except ipaddress.AddressValueError:
                     logger.error(
-                        "Could not increment IP {} by {}".format(
-                            trunc_ip, self.increment
-                        )
+                        "Could not increment IP %s by %s", trunc_ip, self.increment
                     )
             return trunc_ip
 
@@ -163,7 +161,7 @@ def process_line(self, line):
             try:
                 loglist[decindex]
             except IndexError:
-                logger.warning("Column {} does not exist!".format(index))
+                logger.warning("Column %s does not exist!", index)
                 continue
             else:
                 ip_str, ip = self.extract_ip(loglist[decindex])