use custom log_file name as per the user setting

Signed-off-by: Tanishq Chaudhary <[email protected]>

Author: Tanishq30052002

launch/launch/launch_service.py

@@ -55,7 +55,8 @@ def __init__(
         *,
         argv: Optional[Iterable[Text]] = None,
         noninteractive: bool = False,
-        debug: bool = False
+        debug: bool = False,
+        log_file_name: Optional[Text] = None
     ) -> None:
         """
         Create a LaunchService.
@@ -67,6 +68,9 @@ def __init__(
         """
         # Setup logging and debugging.
         launch.logging.launch_config.level = logging.DEBUG if debug else logging.INFO
+        # Set the log file name.
+        if log_file_name is not None:
+            launch.logging.launch_config.file_name = log_file_name
         self.__debug = debug
         self.__argv = argv if argv is not None else []
 

launch/launch/logging/__init__.py

@@ -113,6 +113,7 @@ def reset(self):
         self.screen_formatter = None
         self.file_formatter = None
         self._log_handler_factory = None
+        self._file_name = 'launch.log'
         logging.root.setLevel(logging.INFO)
         self.set_screen_format('default')
         self.set_log_format('default')
@@ -130,6 +131,17 @@ def level(self, new_level):
         """
         logging.root.setLevel(new_level)
 
+    @property
+    def file_name(self) -> str:
+        """Get the current log file name."""
+        return self._file_name
+
+    @file_name.setter
+    def file_name(self, new_file_name: str):
+        """Set the current log file name."""
+        if new_file_name is not None:
+            self._file_name = new_file_name
+
     @property
     def log_dir(self):
         """Get the current log directory, generating it if necessary."""
@@ -307,6 +319,7 @@ def get_log_file_path(self, file_name='launch.log'):
         :param: file_name of the log file from which to get the absolute path.
         :return: the absolute path to the log file.
         """
+        file_name = self.file_name
         return os.path.join(self.log_dir, file_name)
 
     def get_log_file_handler(self, file_name='launch.log'):