feat: add centralized logging to replace ad-hoc print statements (#1254)

* feat: add logging utility functions

* feat: add logging setup and log level argument to CLI

* feat: integrate logging across modules

whisperx/__init__.py

@@ -29,3 +29,29 @@ def load_audio(*args, **kwargs):
 def assign_word_speakers(*args, **kwargs):
     diarize = _lazy_import("diarize")
     return diarize.assign_word_speakers(*args, **kwargs)
+
+
+def setup_logging(*args, **kwargs):
+    """
+    Configure logging for WhisperX.
+
+    Args:
+        level: Logging level (debug, info, warning, error, critical). Default: warning
+        log_file: Optional path to log file. If None, logs only to console.
+    """
+    logging_module = _lazy_import("log_utils")
+    return logging_module.setup_logging(*args, **kwargs)
+
+
+def get_logger(*args, **kwargs):
+    """
+    Get a logger instance for the given module.
+
+    Args:
+        name: Logger name (typically __name__ from calling module)
+
+    Returns:
+        Logger instance configured with WhisperX settings
+    """
+    logging_module = _lazy_import("log_utils")
+    return logging_module.get_logger(*args, **kwargs)