# Expectation: # Provide a project dir name, then each type of logger gets stored in project/{`logging_dir`} _available_trackers = [] if is_tensorboard_available(): _available_trackers.append(LoggerType.TENSORBOARD) if is_wandb_available(): _available_trackers.append(LoggerType.WANDB) if is_comet_ml_available(): _available_trackers.append(LoggerType.COMETML) if is_aim_available(): _available_trackers.append(LoggerType.AIM) if is_mlflow_available(): _available_trackers.append(LoggerType.MLFLOW) if is_clearml_available(): _available_trackers.append(LoggerType.CLEARML) if is_dvclive_available(): _available_trackers.append(LoggerType.DVCLIVE) logger = get_logger(__name__) def on_main_process(function): """ Decorator to selectively run the decorated function on the main process only based on the `main_process_only` attribute in a class. Checks at function execution rather than initialization time, not triggering the initialization of the `PartialState`. """ @wraps(function) def execute_on_main_process(self, *args, **kwargs): if getattr(self, "main_process_only", False): return PartialState().on_main_process(function)(self, *args, **kwargs) else: return function(self, *args, **kwargs) return execute_on_main_process def get_available_trackers(): "Returns a list of all supported available trackers in the system" return _available_trackers class GeneralTracker: """ A base Tracker class to be used for all logging integration implementations. Each function should take in `**kwargs` that will automatically be passed in from a base dictionary provided to [`Accelerator`]. Should implement `name`, `requires_logging_directory`, and `tracker` properties such that: `name` (`str`): String representation of the tracker class name, such as "TensorBoard" `requires_logging_directory` (`bool`): Whether the logger requires a directory to store their logs. `tracker` (`object`): Should return internal tracking mechanism used by a tracker class (such as the `run` for wandb) Implementations can also include a `main_process_only` (`bool`) attribute to toggle if relevent logging, init, and other functions should occur on the main process or across all processes (by default will use `True`) """ main_process_only = True def __init__(self, _blank=False): if not _blank: err = "" if not hasattr(self, "name"): err += "`name`" if not hasattr(self, "requires_logging_directory"): if len(err) > 0: err += ", " err += "`requires_logging_directory`" # as tracker is a @property that relies on post-init if "tracker" not in dir(self): if len(err) > 0: err += ", " err += "`tracker`" if len(err) > 0: raise NotImplementedError( f"The implementation for this tracker class is missing the following " f"required attributes. Please define them in the class definition: " f"{err}" ) def store_init_configuration(self, values: dict): """ Logs `values` as hyperparameters for the run. Implementations should use the experiment configuration functionality of a tracking API. Args: values (Dictionary `str` to `bool`, `str`, `float` or `int`): Values to be stored as initial hyperparameters as key-value pairs. The values need to have type `bool`, `str`, `float`, `int`, or `None`. """ pass def log(self, values: dict, step: Optional[int], **kwargs): """ Logs `values` to the current run. Base `log` implementations of a tracking API should go in here, along with special behavior for the `step parameter. Args: values (Dictionary `str` to `str`, `float`, or `int`): Values to be logged as key-value pairs. The values need to have type `str`, `float`, or `int`. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. """ pass def finish(self): """ Should run any finalizing functions within the tracking API. If the API should not have one, just don't overwrite that method. """ pass class TensorBoardTracker(GeneralTracker): """ A `Tracker` class that supports `tensorboard`. Should be initialized at the start of your script. Args: run_name (`str`): The name of the experiment run logging_dir (`str`, `os.PathLike`): Location for TensorBoard logs to be stored. kwargs: Additional key word arguments passed along to the `tensorboard.SummaryWriter.__init__` method. """ name = "tensorboard" requires_logging_directory = True @on_main_process def __init__(self, run_name: str, logging_dir: Union[str, os.PathLike], **kwargs): try: from torch.utils import tensorboard except ModuleNotFoundError: import tensorboardX as tensorboard super().__init__() self.run_name = run_name self.logging_dir = os.path.join(logging_dir, run_name) self.writer = tensorboard.SummaryWriter(self.logging_dir, **kwargs) logger.debug(f"Initialized TensorBoard project {self.run_name} logging to {self.logging_dir}") logger.debug( "Make sure to log any initial configurations with `self.store_init_configuration` before training!" ) @property def tracker(self): return self.writer @on_main_process def store_init_configuration(self, values: dict): """ Logs `values` as hyperparameters for the run. Should be run at the beginning of your experiment. Stores the hyperparameters in a yaml file for future use. Args: values (Dictionary `str` to `bool`, `str`, `float` or `int`): Values to be stored as initial hyperparameters as key-value pairs. The values need to have type `bool`, `str`, `float`, `int`, or `None`. """ self.writer.add_hparams(values, metric_dict={}) self.writer.flush() project_run_name = time.time() dir_name = os.path.join(self.logging_dir, str(project_run_name)) os.makedirs(dir_name, exist_ok=True) with open(os.path.join(dir_name, "hparams.yml"), "w") as outfile: try: yaml.dump(values, outfile) except yaml.representer.RepresenterError: logger.error("Serialization to store hyperparameters failed") raise logger.debug("Stored initial configuration hyperparameters to TensorBoard and hparams yaml file") @on_main_process def log(self, values: dict, step: Optional[int] = None, **kwargs): """ Logs `values` to the current run. Args: values (Dictionary `str` to `str`, `float`, `int` or `dict` of `str` to `float`/`int`): Values to be logged as key-value pairs. The values need to have type `str`, `float`, `int` or `dict` of `str` to `float`/`int`. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to either `SummaryWriter.add_scaler`, `SummaryWriter.add_text`, or `SummaryWriter.add_scalers` method based on the contents of `values`. """ values = listify(values) for k, v in values.items(): if isinstance(v, (int, float)): self.writer.add_scalar(k, v, global_step=step, **kwargs) elif isinstance(v, str): self.writer.add_text(k, v, global_step=step, **kwargs) elif isinstance(v, dict): self.writer.add_scalars(k, v, global_step=step, **kwargs) self.writer.flush() logger.debug("Successfully logged to TensorBoard") @on_main_process def log_images(self, values: dict, step: Optional[int], **kwargs): """ Logs `images` to the current run. Args: values (Dictionary `str` to `List` of `np.ndarray` or `PIL.Image`): Values to be logged as key-value pairs. The values need to have type `List` of `np.ndarray` or step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to the `SummaryWriter.add_image` method. """ for k, v in values.items(): self.writer.add_images(k, v, global_step=step, **kwargs) logger.debug("Successfully logged images to TensorBoard") @on_main_process def finish(self): """ Closes `TensorBoard` writer """ self.writer.close() logger.debug("TensorBoard writer closed") class WandBTracker(GeneralTracker): """ A `Tracker` class that supports `wandb`. Should be initialized at the start of your script. Args: run_name (`str`): The name of the experiment run. kwargs: Additional key word arguments passed along to the `wandb.init` method. """ name = "wandb" requires_logging_directory = False main_process_only = False @on_main_process def __init__(self, run_name: str, **kwargs): super().__init__() self.run_name = run_name import wandb self.run = wandb.init(project=self.run_name, **kwargs) logger.debug(f"Initialized WandB project {self.run_name}") logger.debug( "Make sure to log any initial configurations with `self.store_init_configuration` before training!" ) @property def tracker(self): return self.run @on_main_process def store_init_configuration(self, values: dict): """ Logs `values` as hyperparameters for the run. Should be run at the beginning of your experiment. Args: values (Dictionary `str` to `bool`, `str`, `float` or `int`): Values to be stored as initial hyperparameters as key-value pairs. The values need to have type `bool`, `str`, `float`, `int`, or `None`. """ import wandb wandb.config.update(values, allow_val_change=True) logger.debug("Stored initial configuration hyperparameters to WandB") @on_main_process def log(self, values: dict, step: Optional[int] = None, **kwargs): """ Logs `values` to the current run. Args: values (Dictionary `str` to `str`, `float`, `int` or `dict` of `str` to `float`/`int`): Values to be logged as key-value pairs. The values need to have type `str`, `float`, `int` or `dict` of `str` to `float`/`int`. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to the `wandb.log` method. """ self.run.log(values, step=step, **kwargs) logger.debug("Successfully logged to WandB") @on_main_process def log_images(self, values: dict, step: Optional[int] = None, **kwargs): """ Logs `images` to the current run. Args: values (Dictionary `str` to `List` of `np.ndarray` or `PIL.Image`): Values to be logged as key-value pairs. The values need to have type `List` of `np.ndarray` or step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to the `wandb.log` method. """ import wandb for k, v in values.items(): self.log({k: [wandb.Image(image) for image in v]}, step=step, **kwargs) logger.debug("Successfully logged images to WandB") @on_main_process def log_table( self, table_name: str, columns: List[str] = None, data: List[List[Any]] = None, dataframe: Any = None, step: Optional[int] = None, **kwargs, ): """ Log a Table containing any object type (text, image, audio, video, molecule, html, etc). Can be defined either with `columns` and `data` or with `dataframe`. Args: table_name (`str`): The name to give to the logged table on the wandb workspace columns (list of `str`, *optional*): The name of the columns on the table data (List of List of Any data type, *optional*): The data to be logged in the table dataframe (Any data type, *optional*): The data to be logged in the table step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. """ import wandb values = {table_name: wandb.Table(columns=columns, data=data, dataframe=dataframe)} self.log(values, step=step, **kwargs) @on_main_process def finish(self): """ Closes `wandb` writer """ self.run.finish() logger.debug("WandB run closed") class CometMLTracker(GeneralTracker): """ A `Tracker` class that supports `comet_ml`. Should be initialized at the start of your script. API keys must be stored in a Comet config file. Args: run_name (`str`): The name of the experiment run. kwargs: Additional key word arguments passed along to the `Experiment.__init__` method. """ name = "comet_ml" requires_logging_directory = False @on_main_process def __init__(self, run_name: str, **kwargs): super().__init__() self.run_name = run_name from comet_ml import Experiment self.writer = Experiment(project_name=run_name, **kwargs) logger.debug(f"Initialized CometML project {self.run_name}") logger.debug( "Make sure to log any initial configurations with `self.store_init_configuration` before training!" ) @property def tracker(self): return self.writer @on_main_process def store_init_configuration(self, values: dict): """ Logs `values` as hyperparameters for the run. Should be run at the beginning of your experiment. Args: values (Dictionary `str` to `bool`, `str`, `float` or `int`): Values to be stored as initial hyperparameters as key-value pairs. The values need to have type `bool`, `str`, `float`, `int`, or `None`. """ self.writer.log_parameters(values) logger.debug("Stored initial configuration hyperparameters to CometML") @on_main_process def log(self, values: dict, step: Optional[int] = None, **kwargs): """ Logs `values` to the current run. Args: values (Dictionary `str` to `str`, `float`, `int` or `dict` of `str` to `float`/`int`): Values to be logged as key-value pairs. The values need to have type `str`, `float`, `int` or `dict` of `str` to `float`/`int`. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to either `Experiment.log_metric`, `Experiment.log_other`, or `Experiment.log_metrics` method based on the contents of `values`. """ if step is not None: self.writer.set_step(step) for k, v in values.items(): if isinstance(v, (int, float)): self.writer.log_metric(k, v, step=step, **kwargs) elif isinstance(v, str): self.writer.log_other(k, v, **kwargs) elif isinstance(v, dict): self.writer.log_metrics(v, step=step, **kwargs) logger.debug("Successfully logged to CometML") @on_main_process def finish(self): """ Closes `comet-ml` writer """ self.writer.end() logger.debug("CometML run closed") class AimTracker(GeneralTracker): """ A `Tracker` class that supports `aim`. Should be initialized at the start of your script. Args: run_name (`str`): The name of the experiment run. kwargs: Additional key word arguments passed along to the `Run.__init__` method. """ name = "aim" requires_logging_directory = True @on_main_process def __init__(self, run_name: str, logging_dir: Optional[Union[str, os.PathLike]] = ".", **kwargs): self.run_name = run_name from aim import Run self.writer = Run(repo=logging_dir, **kwargs) self.writer.name = self.run_name logger.debug(f"Initialized Aim project {self.run_name}") logger.debug( "Make sure to log any initial configurations with `self.store_init_configuration` before training!" ) @property def tracker(self): return self.writer @on_main_process def store_init_configuration(self, values: dict): """ Logs `values` as hyperparameters for the run. Should be run at the beginning of your experiment. Args: values (`dict`): Values to be stored as initial hyperparameters as key-value pairs. """ self.writer["hparams"] = values @on_main_process def log(self, values: dict, step: Optional[int], **kwargs): """ Logs `values` to the current run. Args: values (`dict`): Values to be logged as key-value pairs. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to the `Run.track` method. """ # Note: replace this with the dictionary support when merged for key, value in values.items(): self.writer.track(value, name=key, step=step, **kwargs) @on_main_process def log_images(self, values: dict, step: Optional[int] = None, kwargs: Optional[Dict[str, dict]] = None): """ Logs `images` to the current run. Args: values (`Dict[str, Union[np.ndarray, PIL.Image, Tuple[np.ndarray, str], Tuple[PIL.Image, str]]]`): Values to be logged as key-value pairs. The values need to have type `np.ndarray` or PIL.Image. If a tuple is provided, the first element should be the image and the second element should be the caption. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs (`Dict[str, dict]`): Additional key word arguments passed along to the `Run.Image` and `Run.track` method specified by the keys `aim_image` and `track`, respectively. """ import aim aim_image_kw = {} track_kw = {} if kwargs is not None: aim_image_kw = kwargs.get("aim_image", {}) track_kw = kwargs.get("track", {}) for key, value in values.items(): if isinstance(value, tuple): img, caption = value else: img, caption = value, "" aim_image = aim.Image(img, caption=caption, **aim_image_kw) self.writer.track(aim_image, name=key, step=step, **track_kw) @on_main_process def finish(self): """ Closes `aim` writer """ self.writer.close() class MLflowTracker(GeneralTracker): """ A `Tracker` class that supports `mlflow`. Should be initialized at the start of your script. Args: experiment_name (`str`, *optional*): Name of the experiment. Environment variable MLFLOW_EXPERIMENT_NAME has priority over this argument. logging_dir (`str` or `os.PathLike`, defaults to `"."`): Location for mlflow logs to be stored. run_id (`str`, *optional*): If specified, get the run with the specified UUID and log parameters and metrics under that run. The run’s end time is unset and its status is set to running, but the run’s other attributes (source_version, source_type, etc.) are not changed. Environment variable MLFLOW_RUN_ID has priority over this argument. tags (`Dict[str, str]`, *optional*): An optional `dict` of `str` keys and values, or a `str` dump from a `dict`, to set as tags on the run. If a run is being resumed, these tags are set on the resumed run. If a new run is being created, these tags are set on the new run. Environment variable MLFLOW_TAGS has priority over this argument. nested_run (`bool`, *optional*, defaults to `False`): Controls whether run is nested in parent run. True creates a nested run. Environment variable MLFLOW_NESTED_RUN has priority over this argument. run_name (`str`, *optional*): Name of new run (stored as a mlflow.runName tag). Used only when `run_id` is unspecified. description (`str`, *optional*): An optional string that populates the description box of the run. If a run is being resumed, the description is set on the resumed run. If a new run is being created, the description is set on the new run. """ name = "mlflow" requires_logging_directory = False @on_main_process def __init__( self, experiment_name: str = None, logging_dir: Optional[Union[str, os.PathLike]] = None, run_id: Optional[str] = None, tags: Optional[Union[Dict[str, Any], str]] = None, nested_run: Optional[bool] = False, run_name: Optional[str] = None, description: Optional[str] = None, ): experiment_name = os.getenv("MLFLOW_EXPERIMENT_NAME", experiment_name) run_id = os.getenv("MLFLOW_RUN_ID", run_id) tags = os.getenv("MLFLOW_TAGS", tags) if isinstance(tags, str): tags = json.loads(tags) nested_run = os.getenv("MLFLOW_NESTED_RUN", nested_run) import mlflow exps = mlflow.search_experiments(filter_string=f"name = '{experiment_name}'") if len(exps) > 0: if len(exps) > 1: logger.warning("Multiple experiments with the same name found. Using first one.") experiment_id = exps[0].experiment_id else: experiment_id = mlflow.create_experiment( name=experiment_name, artifact_location=logging_dir, tags=tags, ) self.active_run = mlflow.start_run( run_id=run_id, experiment_id=experiment_id, run_name=run_name, nested=nested_run, tags=tags, description=description, ) logger.debug(f"Initialized mlflow experiment {experiment_name}") logger.debug( "Make sure to log any initial configurations with `self.store_init_configuration` before training!" ) @property def tracker(self): return self.active_run @on_main_process def store_init_configuration(self, values: dict): """ Logs `values` as hyperparameters for the run. Should be run at the beginning of your experiment. Args: values (`dict`): Values to be stored as initial hyperparameters as key-value pairs. """ import mlflow for name, value in list(values.items()): # internally, all values are converted to str in MLflow if len(str(value)) > mlflow.utils.validation.MAX_PARAM_VAL_LENGTH: logger.warning_once( f'Accelerate is attempting to log a value of "{value}" for key "{name}" as a parameter. MLflow\'s' f" log_param() only accepts values no longer than {mlflow.utils.validation.MAX_PARAM_VAL_LENGTH} characters so we dropped this attribute." ) del values[name] values_list = list(values.items()) # MLflow cannot log more than 100 values in one go, so we have to split it for i in range(0, len(values_list), mlflow.utils.validation.MAX_PARAMS_TAGS_PER_BATCH): mlflow.log_params(dict(values_list[i : i + mlflow.utils.validation.MAX_PARAMS_TAGS_PER_BATCH])) logger.debug("Stored initial configuration hyperparameters to MLflow") @on_main_process def log(self, values: dict, step: Optional[int]): """ Logs `values` to the current run. Args: values (`dict`): Values to be logged as key-value pairs. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. """ metrics = {} for k, v in values.items(): if isinstance(v, (int, float)): metrics[k] = v else: logger.warning_once( f'MLflowTracker is attempting to log a value of "{v}" of type {type(v)} for key "{k}" as a metric. ' "MLflow's log_metric() only accepts float and int types so we dropped this attribute." ) import mlflow mlflow.log_metrics(metrics, step=step) logger.debug("Successfully logged to mlflow") @on_main_process def finish(self): """ End the active MLflow run. """ import mlflow mlflow.end_run() class ClearMLTracker(GeneralTracker): """ A `Tracker` class that supports `clearml`. Should be initialized at the start of your script. Args: run_name (`str`, *optional*): Name of the experiment. Environment variables `CLEARML_PROJECT` and `CLEARML_TASK` have priority over this argument. kwargs: Kwargs passed along to the `Task.__init__` method. """ name = "clearml" requires_logging_directory = False @on_main_process def __init__(self, run_name: str = None, **kwargs): from clearml import Task current_task = Task.current_task() self._initialized_externally = False if current_task: self._initialized_externally = True self.task = current_task return kwargs.setdefault("project_name", os.environ.get("CLEARML_PROJECT", run_name)) kwargs.setdefault("task_name", os.environ.get("CLEARML_TASK", run_name)) self.task = Task.init(**kwargs) @property def tracker(self): return self.task @on_main_process def store_init_configuration(self, values: dict): """ Connect configuration dictionary to the Task object. Should be run at the beginning of your experiment. Args: values (`dict`): Values to be stored as initial hyperparameters as key-value pairs. """ return self.task.connect_configuration(values) @on_main_process def log(self, values: Dict[str, Union[int, float]], step: Optional[int] = None, **kwargs): """ Logs `values` dictionary to the current run. The dictionary keys must be strings. The dictionary values must be ints or floats Args: values (`Dict[str, Union[int, float]]`): Values to be logged as key-value pairs. If the key starts with 'eval_'/'test_'/'train_', the value will be reported under the 'eval'/'test'/'train' series and the respective prefix will be removed. Otherwise, the value will be reported under the 'train' series, and no prefix will be removed. step (`int`, *optional*): If specified, the values will be reported as scalars, with the iteration number equal to `step`. Otherwise they will be reported as single values. kwargs: Additional key word arguments passed along to the `clearml.Logger.report_single_value` or `clearml.Logger.report_scalar` methods. """ clearml_logger = self.task.get_logger() for k, v in values.items(): if not isinstance(v, (int, float)): logger.warning_once( "Accelerator is attempting to log a value of " f'"{v}" of type {type(v)} for key "{k}" as a scalar. ' "This invocation of ClearML logger's report_scalar() " "is incorrect so we dropped this attribute." ) continue if step is None: clearml_logger.report_single_value(name=k, value=v, **kwargs) continue title, series = ClearMLTracker._get_title_series(k) clearml_logger.report_scalar(title=title, series=series, value=v, iteration=step, **kwargs) @on_main_process def log_images(self, values: dict, step: Optional[int] = None, **kwargs): """ Logs `images` to the current run. Args: values (`Dict[str, List[Union[np.ndarray, PIL.Image]]`): Values to be logged as key-value pairs. The values need to have type `List` of `np.ndarray` or step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to the `clearml.Logger.report_image` method. """ clearml_logger = self.task.get_logger() for k, v in values.items(): title, series = ClearMLTracker._get_title_series(k) clearml_logger.report_image(title=title, series=series, iteration=step, image=v, **kwargs) @on_main_process def log_table( self, table_name: str, columns: List[str] = None, data: List[List[Any]] = None, dataframe: Any = None, step: Optional[int] = None, **kwargs, ): """ Log a Table to the task. Can be defined eitherwith `columns` and `data` or with `dataframe`. Args: table_name (`str`): The name of the table columns (list of `str`, *optional*): The name of the columns on the table data (List of List of Any data type, *optional*): The data to be logged in the table. If `columns` is not specified, then the first entry in data will be the name of the columns of the table dataframe (Any data type, *optional*): The data to be logged in the table step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to the `clearml.Logger.report_table` method. """ to_report = dataframe if dataframe is None: if data is None: raise ValueError( "`ClearMLTracker.log_table` requires that `data` to be supplied if `dataframe` is `None`" ) to_report = [columns] + data if columns else data title, series = ClearMLTracker._get_title_series(table_name) self.task.get_logger().report_table(title=title, series=series, table_plot=to_report, iteration=step, **kwargs) @on_main_process def finish(self): """ Close the ClearML task. If the task was initialized externally (e.g. by manually calling `Task.init`), this function is a noop """ if self.task and not self._initialized_externally: self.task.close() @staticmethod def _get_title_series(name): for prefix in ["eval", "test", "train"]: if name.startswith(prefix + "_"): return name[len(prefix) + 1 :], prefix return name, "train" class DVCLiveTracker(GeneralTracker): """ A `Tracker` class that supports `dvclive`. Should be initialized at the start of your script. Args: run_name (`str`, *optional*): Ignored for dvclive. See `kwargs` instead. kwargs: Additional key word arguments passed along to [`dvclive.Live()`](https://dvc.org/doc/dvclive/live). Example: ```py from accelerate import Accelerator accelerator = Accelerator(log_with="dvclive") accelerator.init_trackers(project_name="my_project", init_kwargs={"dvclive": {"dir": "my_directory"}}) ``` """ name = "dvclive" requires_logging_directory = False @on_main_process def __init__(self, run_name: Optional[str] = None, live: Optional[Any] = None, **kwargs): from dvclive import Live super().__init__() self.live = live if live is not None else Live(**kwargs) @property def tracker(self): return self.live @on_main_process def store_init_configuration(self, values: dict): """ Logs `values` as hyperparameters for the run. Should be run at the beginning of your experiment. Stores the hyperparameters in a yaml file for future use. Args: values (Dictionary `str` to `bool`, `str`, `float`, `int`, or a List or Dict of those types): Values to be stored as initial hyperparameters as key-value pairs. The values need to have type `bool`, `str`, `float`, or `int`. """ self.live.log_params(values) @on_main_process def log(self, values: dict, step: Optional[int] = None, **kwargs): """ Logs `values` to the current run. Args: values (Dictionary `str` to `str`, `float`, or `int`): Values to be logged as key-value pairs. The values need to have type `str`, `float`, or `int`. step (`int`, *optional*): The run step. If included, the log will be affiliated with this step. kwargs: Additional key word arguments passed along to `dvclive.Live.log_metric()`. """ from dvclive.plots import Metric if step is not None: self.live.step = step for k, v in values.items(): if Metric.could_log(v): self.live.log_metric(k, v, **kwargs) else: logger.warning_once( "Accelerator attempted to log a value of " f'"{v}" of type {type(v)} for key "{k}" as a scalar. ' "This invocation of DVCLive's Live.log_metric() " "is incorrect so we dropped this attribute." ) @on_main_process def finish(self): """ Closes `dvclive.Live()`. """ self.live.end() LOGGER_TYPE_TO_CLASS = { "aim": AimTracker, "comet_ml": CometMLTracker, "mlflow": MLflowTracker, "tensorboard": TensorBoardTracker, "wandb": WandBTracker, "clearml": ClearMLTracker, "dvclive": DVCLiveTracker, } def filter_trackers( log_with: List[Union[str, LoggerType, GeneralTracker]], logging_dir: Union[str, os.PathLike] = None, ): """ Takes in a list of potential tracker types and checks that: - The tracker wanted is available in that environment - Filters out repeats of tracker types - If `all` is in `log_with`, will return all trackers in the environment - If a tracker requires a `logging_dir`, ensures that `logging_dir` is not `None` Args: log_with (list of `str`, [`~utils.LoggerType`] or [`~tracking.GeneralTracker`], *optional*): A list of loggers to be setup for experiment tracking. Should be one or several of: - `"all"` - `"tensorboard"` - `"wandb"` - `"comet_ml"` - `"mlflow"` - `"dvclive"` If `"all"` is selected, will pick up all available trackers in the environment and initialize them. Can also accept implementations of `GeneralTracker` for custom trackers, and can be combined with `"all"`. logging_dir (`str`, `os.PathLike`, *optional*): A path to a directory for storing logs of locally-compatible loggers. """ loggers = [] if log_with is not None: if not isinstance(log_with, (list, tuple)): log_with = [log_with] if "all" in log_with or LoggerType.ALL in log_with: loggers = [o for o in log_with if issubclass(type(o), GeneralTracker)] + get_available_trackers() else: for log_type in log_with: if log_type not in LoggerType and not issubclass(type(log_type), GeneralTracker): raise ValueError(f"Unsupported logging capability: {log_type}. Choose between {LoggerType.list()}") if issubclass(type(log_type), GeneralTracker): loggers.append(log_type) else: log_type = LoggerType(log_type) if log_type not in loggers: if log_type in get_available_trackers(): tracker_init = LOGGER_TYPE_TO_CLASS[str(log_type)] if getattr(tracker_init, "requires_logging_directory"): if logging_dir is None: raise ValueError( f"Logging with `{log_type}` requires a `logging_dir` to be passed in." ) loggers.append(log_type) else: logger.debug(f"Tried adding logger {log_type}, but package is unavailable in the system.") return loggers