release logger handler once logging is done

src/coastsat/SDS_download.py

@@ -44,8 +44,25 @@
 np.seterr(all="ignore")  # raise/ignore divisions by 0 and nans
 gdal.PushErrorHandler("CPLQuietErrorHandler")
 
+def release_logger(logger):
+    """
+    Release the logger and its associated file handlers.
 
-def setup_logger(folder, base_filename="download_report",log_format="%(asctime)s - %(name)s - %(levelname)s - %(message)s"):
+    :param logger: The logger object to be released.
+    """
+    # Remove all handlers associated with the logger
+    for handler in logger.handlers[:]:
+        # Close the handler if it's a FileHandler
+        if isinstance(handler, logging.FileHandler):
+            handler.close()
+        # Remove the handler from the logger
+        logger.removeHandler(handler)
+
+def setup_logger(
+    folder,
+    base_filename="download_report",
+    log_format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+):
     # Determine the next available log file number
     i = 1
     while True:
@@ -64,9 +81,7 @@ def setup_logger(folder, base_filename="download_report",log_format="%(asctime)s
     file_handler.setLevel(logging.INFO)
 
     # Create formatters and add it to handlers
-    log_format = logging.Formatter(
-       log_format
-    )
+    log_format = logging.Formatter(log_format)
     file_handler.setFormatter(log_format)
 
     # Add handlers to the logger

src/coastsat/SDS_shoreline.py

@@ -49,7 +49,7 @@
 
 np.seterr(all="ignore")  # raise/ignore divisions by 0 and nans
 
-from coastsat.SDS_download import setup_logger
+from coastsat.SDS_download import setup_logger, release_logger
 
 
 # Main function for batch shoreline detection
@@ -410,6 +410,8 @@ def extract_shorelines(
     filepath = os.path.join(filepath_data, sitename)
     json_path = os.path.join(filepath, sitename + "_output.json")
     SDS_preprocess.write_to_json(json_path, output)
+    # release the logger as it is no longer needed
+    release_logger(logger)
 
     return output