add cli flag to specify log level

Author: TonyCrane

manimlib/__main__.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 import manimlib.config
+import manimlib.logger
 import manimlib.extract_scene
 import manimlib.utils.init_config
 from manimlib import __version__
@@ -11,6 +12,8 @@ def main():
     args = manimlib.config.parse_cli()
     if args.version and args.file == None:
         return
+    if args.log_level:
+        manimlib.logger.log.setLevel(args.log_level)
 
     if args.config:
         manimlib.utils.init_config.init_customization()

manimlib/config.py

@@ -142,6 +142,10 @@ def parse_cli():
             action="store_true",
             help="Display the version of manimgl"
         )
+        parser.add_argument(
+            "--log-level",
+            help="Level of messages to Display, can be DEBUG / INFO / WARNING / ERROR / CRITICAL"
+        )
         args = parser.parse_args()
         return args
     except argparse.ArgumentError as err:

manimlib/logger.py

@@ -6,7 +6,8 @@
 
 FORMAT = "%(message)s"
 logging.basicConfig(
-    level="NOTSET", format=FORMAT, datefmt="[%X]", handlers=[RichHandler()]
+    level=logging.WARNING, format=FORMAT, datefmt="[%X]", handlers=[RichHandler()]
 )
 
-log = logging.getLogger("rich")
+log = logging.getLogger("manimgl")
+log.setLevel("DEBUG")