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# Copyright 2024 HuggingFace Inc. and the LlamaFactory team.
#
# This code is inspired by the HuggingFace's transformers library.
# https://github.com/huggingface/transformers/blob/v4.40.0/src/transformers/utils/import_utils.py
#
# 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 importlib.util
from functools import lru_cache
from typing import TYPE_CHECKING
from packaging import version
if TYPE_CHECKING:
from packaging.version import Version
def _is_package_available(name: str) -> bool:
return importlib.util.find_spec(name) is not None
def _get_package_version(name: str) -> "Version":
try:
return version.parse(importlib.metadata.version(name))
except Exception:
return version.parse("0.0.0")
def is_fastapi_available():
return _is_package_available("fastapi")
def is_galore_available():
return _is_package_available("galore_torch")
def is_gradio_available():
return _is_package_available("gradio")
def is_matplotlib_available():
return _is_package_available("matplotlib")
def is_pillow_available():
return _is_package_available("PIL")
def is_requests_available():
return _is_package_available("requests")
def is_rouge_available():
return _is_package_available("rouge_chinese")
def is_starlette_available():
return _is_package_available("sse_starlette")
def is_uvicorn_available():
return _is_package_available("uvicorn")
def is_vllm_available():
return _is_package_available("vllm")
@lru_cache
def is_vllm_version_greater_than_0_5():
return _get_package_version("vllm") >= version.parse("0.5.0")
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