improve handling of how log level is set

LogosLinuxInstaller.py

@@ -15,6 +15,7 @@
 from msg import cli_msg
 from msg import initialize_logging
 from msg import logos_error
+from msg import update_log_level
 from utils import checkDependencies
 from utils import curses_menu
 from utils import die_if_root
@@ -121,7 +122,7 @@ def main():
     cli_args = parse_command_line()
 
     # Initialize logging.
-    initialize_logging(logging.WARNING)
+    initialize_logging(config.LOG_LEVEL)
 
     die_if_running()
     die_if_root()
@@ -140,13 +141,12 @@ def main():
     # Parse CLI args and update affected config vars.
     parse_args(cli_args)
 
-    # Update logging level from config.
-    logger = logging.getLogger()
-    logger.setLevel(config.LOG_LEVEL)
-
     if config.DELETE_INSTALL_LOG and os.path.isfile(config.LOGOS_LOG):
         os.remove(config.LOGOS_LOG)
-
+
+    # Set terminal log level based on current config.
+    update_log_level(config.LOG_LEVEL)
+
     # If Logos app is installed, run the desired Logos action.
     if config.LOGOS_EXE is not None and os.access(config.LOGOS_EXE, os.X_OK):
         if config.ACTION == 'control':

msg.py

@@ -6,6 +6,21 @@
 import config
 
 
+def get_log_level_name(level):
+    name = None
+    levels = {
+        "CRITICAL": logging.CRITICAL,
+        "ERROR": logging.ERROR,
+        "WARNING": logging.WARNING,
+        "INFO": logging.INFO,
+        "DEBUG": logging.DEBUG,
+    }
+    for k, v in levels.items():
+        if level == v:
+            name = k
+            break
+    return name
+
 def initialize_logging(stderr_log_level):
     '''
     Log levels:
@@ -40,6 +55,13 @@ def initialize_logging(stderr_log_level):
     )
     cli_msg(f"Installer log file: {config.LOGOS_LOG}")
 
+def update_log_level(new_level):
+    # Update logging level from config.
+    for h in logging.getLogger().handlers:
+        if type(h) == logging.StreamHandler:
+            h.setLevel(new_level)
+    logging.info(f"Terminal log level set to {get_log_level_name(new_level)}")
+
 def cli_msg(message, end='\n'):
     ''' Used for messages that should be printed to stdout regardless of log level. '''
     print(message, end=end)