improve log level inheritance, don't touch unless specified

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "zenlib"
-version = "3.1.7"
+version = "3.1.8"
 authors = [
   { name="Desultory", email="[email protected]" },
 ]

src/zenlib/logging/loggermixin.py

@@ -1,19 +1,31 @@
 __author__ = "desultory"
-__version__ = "1.2.0"
+__version__ = "1.3.0"
 
 from logging import Logger, getLogger
 
 from .utils import add_handler_if_not_exists, handle_additional_logging, log_init
 
 
 class LoggerMixIn:
+    """ A mixin class that provides logging functionality to classes that inherit from it.
+    The logger kwarg can be passed, which will be used as the parent logger.
+    if _log_init is set to True, the logger will log the class initialization.
+    if _log_level is set, the logger's level will be set to that value.
+    If _log_bump is set, the logger's level will be bumped by that amount.
+    Othweise, the log level is not set, and the logger will use the parent's level.
+    """
+
     def init_logger(self, args, kwargs):
         # Get the parent logger from the root if one was not passed
         parent_logger = kwargs.pop("logger") if isinstance(kwargs.get("logger"), Logger) else getLogger()
         # Get a child logger from the parent logger, set self.logger
         self.logger = parent_logger.getChild(self.__class__.__name__)
-        # Bump the log level if _log_bump is passed
-        self.logger.setLevel(self.logger.parent.level + kwargs.pop("_log_bump", 0))
+
+        if log_level := kwargs.pop("_log_level", None):
+            # Set the logger's level if _log_level is passed
+            self.logger.setLevel(log_level)
+        elif log_bump := kwargs.pop("_log_bump", None):
+            self.logger.setLevel(self.logger.parent.level + log_bump)
 
         # Add a colored stream handler if one does not exist
         add_handler_if_not_exists(self.logger)