72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
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#
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# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
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# Copyright 2023 The vLLM team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This file is a part of the vllm-ascend project.
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# Adapted from vllm/triton_utils/importing.py
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#
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import importlib
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import sys
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import types
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from importlib.util import find_spec
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from vllm.logger import logger
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HAS_TRITON = (
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find_spec("triton") is not None
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or find_spec("pytorch-triton-xpu") is not None # Not compatible
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)
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if not HAS_TRITON:
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logger.info("Triton not installed or not compatible; certain GPU-related"
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" functions will not be available.")
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class TritonPlaceholder(types.ModuleType):
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def __init__(self):
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super().__init__("triton")
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self.jit = self._dummy_decorator("jit")
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self.autotune = self._dummy_decorator("autotune")
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self.heuristics = self._dummy_decorator("heuristics")
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self.language = TritonLanguagePlaceholder()
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self.__spec__ = importlib.machinery.ModuleSpec(
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name="triton", loader=None, origin="placeholder")
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logger.warning_once(
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"Triton is not installed. Using dummy decorators. "
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"Install it via `pip install triton` to enable kernel"
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" compilation.")
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def _dummy_decorator(self, name):
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def decorator(func=None, **kwargs):
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if func is None:
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return lambda f: f
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return func
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return decorator
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class TritonLanguagePlaceholder(types.ModuleType):
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def __init__(self):
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super().__init__("triton.language")
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self.constexpr = None
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self.dtype = None
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sys.modules['triton'] = TritonPlaceholder()
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sys.modules['triton.language'] = TritonLanguagePlaceholder()
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if 'triton' in sys.modules:
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logger.info("Triton module has been replaced with a placeholder.")
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