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Author: pydeveloper510

log/how to log messages.py

@@ -0,0 +1,28 @@
+import logging
+
+logging.basicConfig(
+    filename='HISTORYlistener.log',
+    level=logging.DEBUG,
+    format='%(asctime)s.%(msecs)03d %(levelname)s %(module)s - %(funcName)s: %(message)s',
+    datefmt='%Y-%m-%d %H:%M:%S',
+)
+
+####################################################################################################
+
+import logging
+
+class MyFormatter(logging.Formatter):
+    def format(self, record):
+        record.message2 = ""
+        if(record.args):
+            record.func_name = record.args.get("func_name", "Fallback Value")
+        return super().format(record)
+
+logger = logging.getLogger()
+fh = logging.FileHandler(filename='log.txt', mode='a')
+fh.setFormatter(MyFormatter('%(asctime)s --- %(func_name)s --- %(message)s', datefmt='%Y-%m-%d %H:%M:%S'))
+logging.basicConfig(level=logging.INFO, handlers=[fh])
+
+def write_log(func_name, message):
+    logger.info(message, {"func_name": func_name})
+

log/logging_tst.py

@@ -0,0 +1,5 @@
+import logging
+logging.basicConfig(filename='example.log',level=logging.DEBUG)
+logging.debug('This message should go to the log file')
+logging.info('So should this')
+logging.warning('And this, too')