Fix: Removal of transformers logger and addition of python native logger

build/accelerate_launch.py

@@ -61,9 +61,6 @@ def get_base_model_from_adapter_config(adapter_config):
 
 
 def main():
-    LOGLEVEL = os.environ.get("LOG_LEVEL", "WARNING").upper()
-    logging.basicConfig(level=LOGLEVEL)
-
     if not os.getenv("TERMINATION_LOG_FILE"):
         os.environ["TERMINATION_LOG_FILE"] = ERROR_LOG
 
@@ -80,6 +77,18 @@ def main():
             or 'SFT_TRAINER_CONFIG_JSON_ENV_VAR'."
             )
 
+        # Configure log_level of python native logger.
+        # CLI arg takes precedence over env var. And if neither is set, we use default "WARNING"
+        log_level = job_config.get(
+            "log_level"
+        )  # this will be set to either the value found or None
+        if (
+            not log_level
+        ):  # if log level not set by job_config aka by JSON, set it via env var or set default
+            log_level = os.environ.get("LOG_LEVEL", "WARNING")
+        log_level = log_level.upper()
+        logging.basicConfig(level=log_level)
+
         args = process_accelerate_launch_args(job_config)
         logging.debug("accelerate launch parsed args: %s", args)
     except FileNotFoundError as e:
@@ -109,7 +118,6 @@ def main():
             job_config["output_dir"] = tempdir
             updated_args = serialize_args(job_config)
             os.environ["SFT_TRAINER_CONFIG_JSON_ENV_VAR"] = updated_args
-
             launch_command(args)
         except subprocess.CalledProcessError as e:
             # If the subprocess throws an exception, the base exception is hidden in the

tests/utils/test_logging.py

@@ -0,0 +1,84 @@
+# Copyright The FMS HF Tuning Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# SPDX-License-Identifier: Apache-2.0
+# https://spdx.dev/learn/handling-license-info/
+
+# Standard
+from unittest import mock
+import copy
+import logging
+import os
+
+# First Party
+from tests.test_sft_trainer import TRAIN_ARGS
+
+# Local
+from tuning.utils.logging import set_log_level
+
+
+@mock.patch.dict(os.environ, {}, clear=True)
+def test_set_log_level_for_logger_default():
+    """
+    Ensure that the correct log level is being set for python native logger and
+    transformers logger when no env var or CLI flag is passed
+    """
+
+    train_args = copy.deepcopy(TRAIN_ARGS)
+    training_args, logger = set_log_level(train_args)
+    assert logger.getEffectiveLevel() == logging.WARNING
+    assert training_args.log_level == "passive"
+
+
+@mock.patch.dict(os.environ, {"LOG_LEVEL": "info"}, clear=True)
+def test_set_log_level_for_logger_with_env_var():
+    """
+    Ensure that the correct log level is being set for python native logger and
+    transformers logger when env var LOG_LEVEL is used
+    """
+
+    train_args_env = copy.deepcopy(TRAIN_ARGS)
+    training_args, logger = set_log_level(train_args_env)
+    assert logger.getEffectiveLevel() == logging.INFO
+    assert training_args.log_level == "info"
+
+
+@mock.patch.dict(os.environ, {"TRANSFORMERS_VERBOSITY": "info"}, clear=True)
+def test_set_log_level_for_logger_with_set_verbosity_and_cli():
+    """
+    Ensure that the correct log level is being set for python native logger and
+    log_level of transformers logger is unchanged when env var TRANSFORMERS_VERBOSITY is used
+    and CLI flag is passed
+    """
+
+    train_args = copy.deepcopy(TRAIN_ARGS)
+    train_args.log_level = "error"
+    training_args, logger = set_log_level(train_args)
+    assert logger.getEffectiveLevel() == logging.ERROR
+    assert training_args.log_level == "error"
+
+
+@mock.patch.dict(os.environ, {"LOG_LEVEL": "info"}, clear=True)
+def test_set_log_level_for_logger_with_env_var_and_cli():
+    """
+    Ensure that the correct log level is being set for python native logger and
+    transformers logger when env var LOG_LEVEL is used and CLI flag is passed.
+    In this case, CLI arg takes precedence over the set env var LOG_LEVEL.
+    """
+
+    train_args = copy.deepcopy(TRAIN_ARGS)
+    train_args.log_level = "error"
+    training_args, logger = set_log_level(train_args)
+    assert logger.getEffectiveLevel() == logging.ERROR
+    assert training_args.log_level == "error"

tuning/config/configs.py

@@ -136,6 +136,15 @@ class TrainingArguments(transformers.TrainingArguments):
             + "Requires additional configs, see tuning.configs/tracker_configs.py"
         },
     )
+    log_level: str = field(
+        default="passive",
+        metadata={
+            "help": "The log level to adopt during training. \
+            By default, 'passive' level is set which keeps the \
+            current log level for the Transformers library (which will be 'warning` by default) \
+            Other possible values are 'debug', 'info', 'warning', 'error' and 'critical'"
+        },
+    )
 
 
 @dataclass

tuning/sft_trainer.py

@@ -33,7 +33,7 @@
     LlamaTokenizerFast,
     TrainerCallback,
 )
-from transformers.utils import is_accelerate_available, logging
+from transformers.utils import is_accelerate_available
 from trl import SFTConfig, SFTTrainer
 import fire
 import transformers
@@ -60,6 +60,7 @@
     USER_ERROR_EXIT_CODE,
     write_termination_log,
 )
+from tuning.utils.logging import set_log_level
 from tuning.utils.preprocessing_utils import (
     format_dataset,
     get_data_collator,
@@ -111,7 +112,7 @@ def train(
             fused_lora and fast_kernels must used together (may change in future). \
     """
 
-    logger = logging.get_logger("sft_trainer")
+    train_args, logger = set_log_level(train_args, "sft_trainer_train")
 
     # Validate parameters
     if (not isinstance(train_args.num_train_epochs, (float, int))) or (
@@ -479,11 +480,8 @@ def parse_arguments(parser, json_config=None):
 
 
 def main(**kwargs):  # pylint: disable=unused-argument
-    logger = logging.get_logger("__main__")
-
     parser = get_parser()
     job_config = get_json_config()
-    logger.debug("Input args parsed: %s", job_config)
     # accept arguments via command-line or JSON
     try:
         (
@@ -498,6 +496,10 @@ def main(**kwargs):  # pylint: disable=unused-argument
             fusedops_kernels_config,
             exp_metadata,
         ) = parse_arguments(parser, job_config)
+
+        # Function to set log level for python native logger and transformers training logger
+        training_args, logger = set_log_level(training_args, __name__)
+
         logger.debug(
             "Input args parsed: \
             model_args %s, data_args %s, training_args %s, trainer_controller_args %s, \

tuning/trackers/aimstack_tracker.py

@@ -14,11 +14,11 @@
 
 # Standard
 import json
+import logging
 import os
 
 # Third Party
 from aim.hugging_face import AimCallback  # pylint: disable=import-error
-from transformers.utils import logging
 
 # Local
 from .tracker import Tracker
@@ -99,7 +99,8 @@ def __init__(self, tracker_config: AimConfig):
             information about the repo or the server and port where aim db is present.
         """
         super().__init__(name="aim", tracker_config=tracker_config)
-        self.logger = logging.get_logger("aimstack_tracker")
+        # Get logger with root log level
+        self.logger = logging.getLogger()
 
     def get_hf_callback(self):
         """Returns the aim.hugging_face.AimCallback object associated with this tracker.

tuning/trackers/filelogging_tracker.py

@@ -15,11 +15,11 @@
 # Standard
 from datetime import datetime
 import json
+import logging
 import os
 
 # Third Party
 from transformers import TrainerCallback
-from transformers.utils import logging
 
 # Local
 from .tracker import Tracker
@@ -80,7 +80,8 @@ def __init__(self, tracker_config: FileLoggingTrackerConfig):
                 which contains the location of file where logs are recorded.
         """
         super().__init__(name="file_logger", tracker_config=tracker_config)
-        self.logger = logging.get_logger("file_logging_tracker")
+        # Get logger with root log level
+        self.logger = logging.getLogger()
 
     def get_hf_callback(self):
         """Returns the FileLoggingCallback object associated with this tracker.

tuning/trackers/tracker_factory.py

@@ -14,18 +14,15 @@
 
 # Standard
 import dataclasses
+import logging
 
 # Third Party
-from transformers.utils import logging
 from transformers.utils.import_utils import _is_package_available
 
 # Local
 from .filelogging_tracker import FileLoggingTracker
 from tuning.config.tracker_configs import FileLoggingTrackerConfig, TrackerConfigFactory
 
-logger = logging.get_logger("tracker_factory")
-
-
 # Information about all registered trackers
 AIMSTACK_TRACKER = "aim"
 FILE_LOGGING_TRACKER = "file_logger"
@@ -54,9 +51,9 @@ def _register_aim_tracker():
         AimTracker = _get_tracker_class(AimStackTracker, AimConfig)
 
         REGISTERED_TRACKERS[AIMSTACK_TRACKER] = AimTracker
-        logger.info("Registered aimstack tracker")
+        logging.info("Registered aimstack tracker")
     else:
-        logger.info(
+        logging.info(
             "Not registering Aimstack tracker due to unavailablity of package.\n"
             "Please install aim if you intend to use it.\n"
             "\t pip install aim"
@@ -72,14 +69,14 @@ def _is_tracker_installed(name):
 def _register_file_logging_tracker():
     FileTracker = _get_tracker_class(FileLoggingTracker, FileLoggingTrackerConfig)
     REGISTERED_TRACKERS[FILE_LOGGING_TRACKER] = FileTracker
-    logger.info("Registered file logging tracker")
+    logging.info("Registered file logging tracker")
 
 
 # List of Available Trackers
 # file_logger - Logs loss to a file
 # aim - Aimstack Tracker
 def _register_trackers():
-    logger.info("Registering trackers")
+    logging.info("Registering trackers")
     if AIMSTACK_TRACKER not in REGISTERED_TRACKERS:
         _register_aim_tracker()
     if FILE_LOGGING_TRACKER not in REGISTERED_TRACKERS:
@@ -142,7 +139,7 @@ def get_tracker(name: str, tracker_configs: TrackerConfigFactory):
             e = "Requested Tracker {} not found. List trackers available for use is - {} ".format(
                 name, available
             )
-        logger.error(e)
+        logging.error(e)
         raise ValueError(e)
 
     meta = REGISTERED_TRACKERS[name]

tuning/trainercontroller/controllermetrics/eval_metrics.py

@@ -18,14 +18,9 @@
 # Standard
 from typing import Any
 
-# Third Party
-from transformers.utils import logging
-
 # Local
 from tuning.trainercontroller.controllermetrics.metricshandler import MetricHandler
 
-logger = logging.get_logger(__name__)
-
 
 class EvalMetrics(MetricHandler):
     """Implements the controller metric which exposes the evaluation metrics"""

tuning/trainercontroller/controllermetrics/history_based_metrics.py

@@ -21,12 +21,10 @@
 
 # Third Party
 from transformers import TrainerState
-from transformers.utils import logging
 
 # Local
 from tuning.trainercontroller.controllermetrics.metricshandler import MetricHandler
 
-logger = logging.get_logger(__name__)
 METRICS_KEY = "metrics"
 LOG_LOSS_KEY = "loss"
 TRAINING_LOSS_KEY = "training_loss"

tuning/trainercontroller/operations/hfcontrols.py

@@ -1,17 +1,15 @@
 # Standard
 from dataclasses import fields
 import inspect
+import logging
 import re
 
 # Third Party
 from transformers import TrainerControl
-from transformers.utils import logging
 
 # Local
 from .operation import Operation
 
-logger = logging.get_logger(__name__)
-
 
 class HFControls(Operation):
     """Implements the control actions for the HuggingFace controls in
@@ -39,7 +37,7 @@ def control_action(self, control: TrainerControl, **kwargs):
             control: TrainerControl. Data class for controls.
             kwargs: List of arguments (key, value)-pairs
         """
-        logger.debug("Arguments passed to control_action: %s", repr(kwargs))
+        logging.debug("Arguments passed to control_action: %s", repr(kwargs))
         frame_info = inspect.currentframe().f_back
         arg_values = inspect.getargvalues(frame_info)
         setattr(control, arg_values.locals["action"], True)

tuning/trainercontroller/patience.py

@@ -15,8 +15,8 @@
 # SPDX-License-Identifier: Apache-2.0
 # https://spdx.dev/learn/handling-license-info/
 
-# Third Party
-from transformers.utils import logging
+# Standard
+import logging
 
 # Resets the patience if the rule outcome happens to be false.
 # Here, the expectation is to have unbroken "True"s for patience
@@ -31,8 +31,6 @@
 # will be exceeded afer the fifth event.
 MODE_NO_RESET_ON_FAILURE = "no_reset_on_failure"
 
-logger = logging.get_logger(__name__)
-
 
 class PatienceControl:
     """Implements the patience control for every rule"""
@@ -51,7 +49,7 @@ def should_tolerate(
         elif self._mode == MODE_RESET_ON_FAILURE:
             self._patience_counter = 0
         if self._patience_counter <= self._patience_threshold:
-            logger.debug(
+            logging.debug(
                 "Control {} triggered on event {}: "
                 "Enforcing patience [patience_counter = {:.2f}, "
                 "patience_threshold = {:.2f}]".format(
@@ -62,7 +60,7 @@ def should_tolerate(
                 )
             )
             return True
-        logger.debug(
+        logging.debug(
             "Control {} triggered on event {}: "
             "Exceeded patience [patience_counter = {:.2f}, "
             "patience_threshold = {:.2f}]".format(