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sglang/python/sglang/srt/managers/multimodal_processors/kimi_vl.py
2025-04-29 21:31:19 -07:00

74 lines
2.4 KiB
Python

import asyncio
import math
from typing import List, Union
import torch
from PIL import Image
from sglang.srt.managers.multimodal_processors.base_processor import (
BaseMultimodalProcessor as SGLangBaseProcessor,
)
from sglang.srt.managers.multimodal_processors.base_processor import (
MultimodalSpecialTokens,
)
from sglang.srt.managers.schedule_batch import Modality, MultimodalDataItem
from sglang.srt.models.kimi_vl import KimiVLForConditionalGeneration
# Compatible with KimiVLForConditionalGeneration
class KimiVLImageProcessor(SGLangBaseProcessor):
models = [KimiVLForConditionalGeneration]
def __init__(self, hf_config, server_args, _processor):
super().__init__(hf_config, server_args, _processor)
self.IMAGE_TOKEN = "<|media_pad|>"
self.im_token_id = _processor.tokenizer.convert_tokens_to_ids(self.IMAGE_TOKEN)
self.im_start = "<|media_start|>"
self.im_start_id = _processor.tokenizer.convert_tokens_to_ids(self.im_start)
self.im_end = "<|media_end|>"
self.im_end_id = _processor.tokenizer.convert_tokens_to_ids(self.im_end)
self.im_content = "<|media_content|>"
self.im_content_id = _processor.tokenizer.convert_tokens_to_ids(self.im_content)
async def process_mm_data_async(
self,
image_data: List[Union[str, bytes]],
input_text,
request_obj,
max_req_input_len,
*args,
**kwargs,
):
if not image_data:
return None
if isinstance(image_data, str):
image_data = [image_data]
base_output = self.load_mm_data(
prompt=input_text,
image_data=image_data,
multimodal_tokens=MultimodalSpecialTokens(image_token=self.IMAGE_TOKEN),
max_req_input_len=max_req_input_len,
)
ret = self.process_mm_data(
input_text=base_output.input_text,
images=base_output.images,
)
return {
"input_ids": ret["input_ids"].flatten().tolist(),
"mm_items": [
MultimodalDataItem(
pixel_values=ret["pixel_values"],
image_grid_thws=ret["image_grid_hws"],
modality=Modality.IMAGE,
)
],
"im_token_id": self.im_token_id,
"im_start_id": self.im_start_id,
"im_end_id": self.im_end_id,
"im_content_id": self.im_content_id,
}