Raushan TurganbayandHarry Mellor
8850738b70
Signed-off-by: raushan <raushan@huggingface.co> Co-authored-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
# SPDX-License-Identifier: Apache-2.0
|
|
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
|
|
from transformers.image_processing_utils_fast import BaseImageProcessorFast
|
|
from transformers.image_utils import PILImageResampling
|
|
from transformers.processing_utils import ProcessorMixin
|
|
|
|
from vllm.tokenizers.qwen_vl import QwenVLTokenizer
|
|
|
|
|
|
class QwenVLImageProcessorFast(BaseImageProcessorFast):
|
|
"""
|
|
Port of https://huggingface.co/Qwen/Qwen-VL/blob/main/visual.py#L354
|
|
to HF Transformers.
|
|
"""
|
|
|
|
resample = PILImageResampling.BICUBIC
|
|
image_mean = [0.48145466, 0.4578275, 0.40821073]
|
|
image_std = [0.26862954, 0.26130258, 0.27577711]
|
|
size = {"height": 448, "width": 448}
|
|
do_resize = True
|
|
do_rescale = True
|
|
do_normalize = True
|
|
|
|
|
|
class QwenVLProcessor(ProcessorMixin):
|
|
attributes = ["image_processor", "tokenizer"]
|
|
|
|
def __init__(
|
|
self,
|
|
tokenizer: QwenVLTokenizer,
|
|
image_size: int,
|
|
image_processor: QwenVLImageProcessorFast | None = None,
|
|
) -> None:
|
|
self.tokenizer = tokenizer
|
|
if image_processor is None:
|
|
image_processor = QwenVLImageProcessorFast(
|
|
size={"width": image_size, "height": image_size}
|
|
)
|
|
self.image_processor = image_processor
|
|
|
|
@property
|
|
def image_start_tag(self) -> str:
|
|
return self.tokenizer.image_start_tag # type: ignore[attr-defined]
|
|
|
|
@property
|
|
def image_end_tag(self) -> str:
|
|
return self.tokenizer.image_end_tag # type: ignore[attr-defined]
|
|
|
|
@property
|
|
def image_pad_tag(self) -> str:
|
|
return self.tokenizer.image_pad_tag # type: ignore[attr-defined]
|