Log class name only from server script

Based on #518 by eukreign

electrumx/lib/util.py

@@ -36,6 +36,7 @@ import sys
 from collections import Container, Mapping
 from struct import pack, Struct
 
+# Logging utilities
 
 class ConnectionLogger(logging.LoggerAdapter):
     '''Prepends a connection identifier to a logging message.'''
@@ -44,6 +45,20 @@ class ConnectionLogger(logging.LoggerAdapter):
         return f'[{conn_id}] {msg}', kwargs
 
 
+class CompactFormatter(logging.Formatter):
+    '''Strips the module from the logger name to leave the class only.'''
+    def format(self, record):
+        record.name = record.name.rpartition('.')[-1]
+        return super().format(record)
+
+
+def make_logger(name, *, handler, level):
+    logger = logging.getLogger(name)
+    logger.addHandler(handler)
+    logger.setLevel(logging.INFO)
+    logger.propagate = False
+    return logger
+
 # Method decorator.  To be used for calculations that will always
 # deliver the same result.  The method cannot take any arguments
 # and should be accessed as an attribute.

electrumx_server

@@ -10,15 +10,20 @@
 '''Script to kick off the server.'''
 
 import logging
+import sys
 import traceback
 
 from electrumx import Controller, Env
+from electrumx.lib.util import CompactFormatter, make_logger
 
 
 def main():
     '''Set up logging and run the server.'''
     log_fmt = Env.default('LOG_FORMAT', '%(levelname)s:%(name)s:%(message)s')
-    logging.basicConfig(level=logging.INFO, format=log_fmt)
+    handler = logging.StreamHandler(sys.stdout)
+    handler.setFormatter(CompactFormatter(log_fmt))
+    make_logger('electrumx', handler=handler, level=logging.INFO)
+
     logging.info('ElectrumX server starting')
     try:
         controller = Controller(Env())