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## Configure logging
🤗 Datasets strives to be transparent and explicit about how it works, but this can be quite verbose at times. We have included a series of logging methods which allow you to easily adjust the level of verbosity of the entire library. Currently the default verbosity of the library is set to `WARNING`.
To change the level of verbosity, use one of the direct setters. For instance, here is how to change the verbosity to the `INFO` level:
```py
import datasets
datasets.logging.set_verbosity_info()
```
You can also use the environment variable `DATASETS_VERBOSITY` to override the default verbosity, and set it to one of the following: `debug`, `info`, `warning`, `error`, `critical`:
```bash
DATASETS_VERBOSITY=error ./myprogram.py
```
All the methods of this logging module are documented below. The main ones are:
- [`logging.get_verbosity`] to get the current level of verbosity in the logger
- [`logging.set_verbosity`] to set the verbosity to the level of your choice
In order from the least to the most verbose (with their corresponding `int` values):
1. `logging.CRITICAL` or `logging.FATAL` (int value, 50): only report the most critical errors.
2. `logging.ERROR` (int value, 40): only report errors.
3. `logging.WARNING` or `logging.WARN` (int value, 30): only reports error and warnings. This the default level used by the library.
4. `logging.INFO` (int value, 20): reports error, warnings and basic information.
5. `logging.DEBUG` (int value, 10): report all information.
[[autodoc]] datasets.logging.get_verbosity
[[autodoc]] datasets.logging.set_verbosity
[[autodoc]] datasets.logging.set_verbosity_info
[[autodoc]] datasets.logging.set_verbosity_warning
[[autodoc]] datasets.logging.set_verbosity_debug
[[autodoc]] datasets.logging.set_verbosity_error
[[autodoc]] datasets.logging.disable_propagation
[[autodoc]] datasets.logging.enable_propagation
## Configure progress bars
By default, `tqdm` progress bars will be displayed during dataset download and preprocessing. You can disable them globally by setting `HF_DATASETS_DISABLE_PROGRESS_BARS`
environment variable. You can also enable/disable them using [`~utils.enable_progress_bars`] and [`~utils.disable_progress_bars`]. If set, the environment variable has priority on the helpers.
[[autodoc]] datasets.utils.enable_progress_bars
[[autodoc]] datasets.utils.disable_progress_bars
[[autodoc]] datasets.utils.are_progress_bars_disabled |