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sglang/python/sglang/srt/multimodal/processors/deepseek_vl_v2.py
2025-07-26 17:41:01 +08:00

66 lines
2.5 KiB
Python

# Copyright (c) 2023-2024 DeepSeek.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from typing import List, Union
import torch
from sglang.srt.managers.schedule_batch import Modality, MultimodalDataItem
from sglang.srt.models.deepseek_vl2 import DeepseekVL2ForCausalLM
from sglang.srt.multimodal.processors.base_processor import (
BaseMultimodalProcessor,
MultimodalSpecialTokens,
)
class DeepseekVL2ImageProcessor(BaseMultimodalProcessor):
models = [DeepseekVL2ForCausalLM]
def __init__(self, hf_config, server_args, _processor, *args, **kwargs):
super().__init__(hf_config, server_args, _processor, *args, **kwargs)
self.mm_tokens = MultimodalSpecialTokens(
image_token="<image>", image_token_id=self._processor.image_token_id
).build(_processor)
async def process_mm_data_async(
self,
image_data: List[Union[str, bytes]],
input_text,
request_obj,
max_req_input_len,
*args,
**kwargs
):
base_output = self.load_mm_data(
input_text,
image_data=image_data,
multimodal_tokens=self.mm_tokens,
)
mm_items, input_ids, _ = self.process_and_combine_mm_data(
base_output,
self.mm_tokens,
max_req_input_len=max_req_input_len,
conversations=base_output.input_text,
)
return {
"mm_items": mm_items,
"input_ids": input_ids.tolist(),
"im_token_id": self._processor.image_token_id,
}