Add debug option

squinnondation/hazel.py

@@ -389,9 +389,9 @@ class Squirrel(Hazelnut):
     def add_system_message(self, msg: str) -> None:
         """
         Add a new system log message.
-        TODO: Configure logging levels to ignore some messages.
         """
-        return self.add_message(f"system: *{msg}*" if not self.squinnondation.no_markdown else f"system: {msg}")
+        if self.squinnondation.debug:
+            return self.add_message(f"system: *{msg}*" if not self.squinnondation.no_markdown else f"system: {msg}")
 
     def print_markdown(self, pad: Any, y: int, x: int, msg: str,
                        bold: bool = False, italic: bool = False, underline: bool = False, strike: bool = False) -> int:

squinnondation/squinnondation.py

@@ -16,6 +16,7 @@ class Squinnondation:
     bind_port: int
     no_emoji: bool
     no_markdown: bool
+    debug: bool
     screen: Any
 
     def parse_arguments(self) -> None:
@@ -32,6 +33,7 @@ class Squinnondation:
                             help="Don't replace emojis.")
         parser.add_argument('--no-markdown', '-nm', action='store_true',
                             help="Don't replace emojis.")
+        parser.add_argument('--debug', '-d', action='store_true', help="Debug mode.")
         self.args = parser.parse_args()
 
         if not (1024 <= self.args.bind_port <= 65535) or\
@@ -42,6 +44,7 @@ class Squinnondation:
         self.bind_port = self.args.bind_port
         self.no_emoji = self.args.no_emoji
         self.no_markdown = self.args.no_markdown
+        self.debug = self.args.debug
 
     @staticmethod
     def main() -> None:  # pragma: no cover