Added a logger

Author: tfpf

src/ScrollableContainers/__init__.py

@@ -1,7 +1,30 @@
 import contextlib as _contextlib
+import logging as _logging
+
+def _get_logger(name: str | None = None, level: int = _logging.INFO, fmt: str = "\x1b\x5b90m%(asctime)s\x1b\x5bm \x1b\x5b36m%(name)s\x1b\x5bm:\x1b\x5b36m%(lineno)s\x1b\x5bm %(message)s", datefmt: str = "%F %T%z") -> _logging.Logger:
+    """
+    Create a logger (if not already created).
+
+    :param name: Logger name.
+    :param level: Logging level.
+    :param fmt: Logging format.
+    :param datafmt: Date format in ``fmt``.
+
+    :return: Logger.
+    """
+    formatter =_logging.Formatter(fmt, datefmt)
+    stream_handler = _logging.StreamHandler()
+    stream_handler.setFormatter(formatter)
+    logger = _logging.getLogger(name)
+    logger.setLevel(level)
+    logger.addHandler(stream_handler)
+    return logger
+
+_logger = _get_logger(__name__)
 
 with _contextlib.suppress(ImportError):
     from ScrollableContainers._qt5 import ScrollableAreaQt5
+    _logger.info("Imported `ScrollableAreaQt5`.")
 with _contextlib.suppress(ImportError):
     from ScrollableContainers._qt6 import ScrollableAreaQt6
 with _contextlib.suppress(ImportError):