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- # Copyright 2022 The HuggingFace Team. All rights reserved.
- #
- # 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.
- import importlib.metadata
- import subprocess
- import sys
- def install_xla(upgrade: bool = False):
- """
- Helper function to install appropriate xla wheels based on the `torch` version in Google Colaboratory.
- Args:
- upgrade (`bool`, *optional*, defaults to `False`):
- Whether to upgrade `torch` and install the latest `torch_xla` wheels.
- Example:
- ```python
- >>> from accelerate.utils import install_xla
- >>> install_xla(upgrade=True)
- ```
- """
- in_colab = False
- if "IPython" in sys.modules:
- in_colab = "google.colab" in str(sys.modules["IPython"].get_ipython())
- if in_colab:
- if upgrade:
- torch_install_cmd = ["pip", "install", "-U", "torch"]
- subprocess.run(torch_install_cmd, check=True)
- # get the current version of torch
- torch_version = importlib.metadata.version("torch")
- torch_version_trunc = torch_version[: torch_version.rindex(".")]
- xla_wheel = f"https://storage.googleapis.com/tpu-pytorch/wheels/colab/torch_xla-{torch_version_trunc}-cp37-cp37m-linux_x86_64.whl"
- xla_install_cmd = ["pip", "install", xla_wheel]
- subprocess.run(xla_install_cmd, check=True)
- else:
- raise RuntimeError("`install_xla` utility works only on google colab.")
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