Improved logging configuration function: path check and dateformat added

pysegcnn/core/logging.py

@@ -4,11 +4,18 @@ Created on Fri Aug 14 10:07:12 2020
 
 @author: Daniel
 """
+# builtins
+import pathlib
 
 
 # the logging configuration dictionary
 def log_conf(logfile):
 
+    # check if the parent directory of the log file exists
+    logfile = pathlib.Path(logfile)
+    if not logfile.parent.is_dir():
+        logfile.parents.mkdir(parent=True, exist_ok=True)
+
     LOGGING_CONFIG = {
         'version': 1,
         'disable_existing_loggers': False,
@@ -17,7 +24,8 @@ def log_conf(logfile):
                 'format': '%(name)s: %(message)s'
                 },
             'standard': {
-                'format': '%(asctime)s [%(levelname)s] %(name)s: %(message)s'
+                'format': '%(asctime)s [%(levelname)s] %(name)s: %(message)s',
+                'datefmt': '%Y-%m-%dT%H:%M:%S'
                 },
         },
         'handlers': {
@@ -33,7 +41,7 @@ def log_conf(logfile):
                 'formatter': 'standard',
                 'level': 'INFO',
                 'filename': logfile,
-                'mode': 'w'
+                'mode': 'a'
             }
         },
         'loggers': {