Log formatting

app/log.py

@@ -6,6 +6,18 @@ import logging.handlers
 from config import Config
 
 
+class LevelTagFilter(logging.Filter):
+    "Add leveltag"
+
+    def filter(self, record):
+        # Extract the first character of the level name
+        record.leveltag = record.levelname[0]
+
+        # We never actually filter messages out, just abuse filtering to add an
+        # extra field to the LogRecord
+        return True
+
+
 log = logging.getLogger("musicmuster")
 log.setLevel(logging.DEBUG)
 
@@ -17,8 +29,13 @@ stderr.setLevel(Config.LOG_LEVEL_STDERR)
 syslog = logging.handlers.SysLogHandler(address='/dev/log')
 syslog.setLevel(Config.LOG_LEVEL_SYSLOG)
 
+# Filter
+filter = LevelTagFilter()
+syslog.addFilter(filter)
+stderr.addFilter(filter)
+
 # create formatter and add it to the handlers
-formatter = logging.Formatter('[%(name)s:%(levelname)s]: %(message)s')
+formatter = logging.Formatter('[%(name)s] %(leveltag)s: %(message)s')
 stderr.setFormatter(formatter)
 syslog.setFormatter(formatter)