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Change default cache path (#8734)

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* Change default cache path

* Document changes

* Apply suggestions from code review

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>

Co-authored-by: Lysandre Debut <lysandre@huggingface.co>
This commit is contained in:
Sylvain Gugger
2020-11-23 13:56:45 -05:00
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parent 0cc5ab1333
commit 900024273b
2 changed files with 27 additions and 7 deletions
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docs/source/installation.md
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@@ -70,15 +70,15 @@ to check 🤗 Transformers is properly installed.
This library provides pretrained models that will be downloaded and cached locally. Unless you specify a location with
`cache_dir=...` when you use methods like `from_pretrained`, these models will automatically be downloaded in the
folder given by the shell environment variable ``TRANSFORMERS_CACHE``. The default value for it will be the PyTorch
cache home followed by ``/transformers/`` (even if you don't have PyTorch installed). This is (by order of priority):
folder given by the shell environment variable ``TRANSFORMERS_CACHE``. The default value for it will be the Hugging
Face cache home followed by ``/transformers/``. This is (by order of priority):
* shell environment variable ``TORCH_HOME``
* shell environment variable ``XDG_CACHE_HOME`` + ``/torch/``
* default: ``~/.cache/torch/``
* shell environment variable ``HF_HOME``
* shell environment variable ``XDG_CACHE_HOME`` + ``/huggingface/``
* default: ``~/.cache/huggingface/``
So if you don't have any specific environment variable set, the cache directory will be at
``~/.cache/torch/transformers/``.
``~/.cache/huggingface/transformers/``.
**Note:** If you have set a shell environment variable for one of the predecessors of this library
(``PYTORCH_TRANSFORMERS_CACHE`` or ``PYTORCH_PRETRAINED_BERT_CACHE``), those will be used if there is no shell