# Copyright 2022 Cerebras Systems.
#
# 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,
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"""This module contains callbacks for handling HuggingFace cache directory."""
from cerebras.appliance.environment import appliance_environ
from cerebras.modelzoo.trainer.callbacks import Callback
[docs]class HFCacheDir(Callback):
"""A callback that sets up the HuggingFace cache directory."""
def __init__(self, cache_dir: str):
"""
Args:
cache_dir: The cache directory to use for HuggingFace utilities.
"""
self._cache_dir = cache_dir
def setup(self, trainer):
appliance_environ["TRANSFORMERS_CACHE"] = self._cache_dir
appliance_environ["HF_HOME"] = self._cache_dir
appliance_environ["HF_DATASETS_CACHE"] = self._cache_dir