Opt-out of darts logging based on environment variable (#1010)

* automatic linting

* don't add custom handlers and formatter to loggers

Co-authored-by: Julien Herzen <julien@unit8.co>

darts/logging.py

@@ -22,13 +22,9 @@ def get_logger(name):
     """
 
     logger = logging.getLogger(name)
+    # default logging level is logging.INFO
     logger.setLevel(logging.INFO)
-    stderr_handler = logging.StreamHandler()
-    formatter = logging.Formatter(
-        "[%(asctime)s] %(levelname)s | %(name)s | %(message)s"
-    )
-    stderr_handler.setFormatter(formatter)
-    logger.addHandler(stderr_handler)
+
     return logger
 
 

darts/models/__init__.py

@@ -26,15 +26,15 @@
     from darts.models.forecasting.auto_arima import AutoARIMA
     from darts.models.forecasting.tbats import BATS, TBATS
 except ModuleNotFoundError:
-    logger.warning(
+    logger.info(
         "Support for AutoARIMA, BATS and TBATS is not available."
         "To enable it, install u8darts[pmdarima] or u8darts[all]."
     )
 
 try:
     from darts.models.forecasting.prophet_model import Prophet
 except ModuleNotFoundError:
-    logger.warning(
+    logger.info(
         "Support for Facebook Prophet is not available. "
         'To enable it, install "darts", "u8darts[prophet]" or "u8darts[all]" (with pip);'
         'or "u8darts-all" (with conda).'
@@ -50,7 +50,7 @@
     from darts.models.forecasting.transformer_model import TransformerModel
 
 except ModuleNotFoundError:
-    logger.warning(
+    logger.info(
         "Support for Torch based models not available. "
         'To enable them, install "darts", "u8darts[torch]" or "u8darts[all]" (with pip); '
         'or "u8darts-torch" or "u8darts-all" (with conda).'
@@ -59,7 +59,7 @@
 try:
     from darts.models.forecasting.gradient_boosted_model import LightGBMModel
 except ModuleNotFoundError:
-    logger.warning(
+    logger.info(
         "Support for LightGBM not available."
         "To enable LightGBM support in Darts, follow the detailed "
         "install instructions for LightGBM in the README: "