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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
from typing import Union
from packaging.version import Version, parse
from .constants import STR_OPERATION_TO_FUNC
torch_version = parse(importlib.metadata.version("torch"))
def compare_versions(library_or_version: Union[str, Version], operation: str, requirement_version: str):
"""
Compares a library version to some requirement using a given operation.
Args:
library_or_version (`str` or `packaging.version.Version`):
A library name or a version to check.
operation (`str`):
A string representation of an operator, such as `">"` or `"<="`.
requirement_version (`str`):
The version to compare the library version against
"""
if operation not in STR_OPERATION_TO_FUNC.keys():
raise ValueError(f"`operation` must be one of {list(STR_OPERATION_TO_FUNC.keys())}, received {operation}")
operation = STR_OPERATION_TO_FUNC[operation]
if isinstance(library_or_version, str):
library_or_version = parse(importlib.metadata.version(library_or_version))
return operation(library_or_version, parse(requirement_version))
def is_torch_version(operation: str, version: str):
"""
Compares the current PyTorch version to a given reference with an operation.
Args:
operation (`str`):
A string representation of an operator, such as `">"` or `"<="`
version (`str`):
A string version of PyTorch
"""
return compare_versions(torch_version, operation, version)
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