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# 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.
import json
from typing import Dict, List
import PIL.Image
import torch
from transformers import AutoModelForCausalLM
from deepseek_vl.models import MultiModalityCausalLM, VLChatProcessor
def load_pretrained_model(model_path: str):
vl_chat_processor: VLChatProcessor = VLChatProcessor.from_pretrained(model_path)
tokenizer = vl_chat_processor.tokenizer
vl_gpt: MultiModalityCausalLM = AutoModelForCausalLM.from_pretrained(
model_path, trust_remote_code=True
)
vl_gpt = vl_gpt.to(torch.bfloat16).cuda().eval()
return tokenizer, vl_chat_processor, vl_gpt
def load_pil_images(conversations: List[Dict[str, str]]) -> List[PIL.Image.Image]:
"""
Args:
conversations (List[Dict[str, str]]): the conversations with a list of messages. An example is :
[
{
"role": "User",
"content": "<image_placeholder>\nExtract all information from this image and convert them into markdown format.",
"images": ["./examples/table_datasets.png"]
},
{"role": "Assistant", "content": ""},
]
Returns:
pil_images (List[PIL.Image.Image]): the list of PIL images.
"""
pil_images = []
for message in conversations:
if "images" not in message:
continue
for image_path in message["images"]:
pil_img = PIL.Image.open(image_path)
pil_img = pil_img.convert("RGB")
pil_images.append(pil_img)
return pil_images
def load_json(filepath):
with open(filepath, "r") as f:
data = json.load(f)
return data