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bcdf9fa | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | # Copyright 2024 Bytedance Ltd. and/or its affiliates
#
# 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.
from importlib.metadata import PackageNotFoundError, version
from packaging import version as vs
from verl.utils.import_utils import is_sglang_available
def get_version(pkg):
try:
return version(pkg)
except PackageNotFoundError:
return None
package_name = "vllm"
package_version = get_version(package_name)
vllm_version = None
if package_version == "0.5.4":
vllm_version = "0.5.4"
from .vllm_v_0_5_4 import parallel_state
from .vllm_v_0_5_4.llm import LLM, LLMEngine
elif package_version == "0.6.3" or package_version.startswith("0.6.3"):
# rocm version: "0.6.3+rocmxxx"
vllm_version = "0.6.3"
from .vllm_v_0_6_3 import parallel_state
from .vllm_v_0_6_3.llm import LLM, LLMEngine
elif vs.parse(package_version) >= vs.parse("0.7.0"):
# From 0.6.6.post2 on, vllm supports SPMD inference
# See https://github.com/vllm-project/vllm/pull/12071
from vllm import LLM
from vllm.distributed import parallel_state
else:
if not is_sglang_available():
raise ValueError(f"vllm version {package_version} not supported and SGLang also not Found. Currently supported vllm versions are 0.6.3 and 0.7.0+")
__all__ = ["LLM", "LLMEngine", "parallel_state"]
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