feat(main, io_handler): set logging level with CLI argument

knowledge_verificator/io_handler.py

@@ -0,0 +1,40 @@
+import logging
+
+from logging import Logger
+from rich.console import Console
+from rich.logging import RichHandler
+from argparse import ArgumentParser
+
+
+def get_argument_parser() -> ArgumentParser:
+    parser = ArgumentParser(
+        prog='knowledge_verificator',
+    )
+
+    parser.add_argument(
+        '-d',
+        '--debug',
+        action='store_true',
+        help=(
+            'Turn on debug mode, which shows all logs including those from '
+            '`debug` and `info` levels.'
+        ),
+    )
+
+    return parser
+
+
+console = Console()
+logger = Logger('main_logger')
+
+logging_handler = RichHandler(rich_tracebacks=True)
+
+parser = get_argument_parser()
+args = parser.parse_args()
+
+logging_level = logging.WARNING
+if args.debug:
+    logging_level = logging.DEBUG
+
+logging_handler.setLevel(logging_level)
+logger.addHandler(logging_handler)

knowledge_verificator/main.py

@@ -1,6 +1,6 @@
 """Main module with CLI definition."""
 
-from logger import logger, console
+from io_handler import logger, console
 from rich.text import Text
 
 from knowledge_verificator.answer_chooser import AnswerChooser
@@ -37,7 +37,7 @@
     )
 
     console.print(
-        f'Answer the question with full sentence. {question} \n Your answer.: '
+        f'\nAnswer the question with full sentence. {question} \nYour answer: '
     )
     user_answer = input().strip()