mirror of
https://github.com/OpenBMB/MiniCPM-V.git
synced 2026-02-05 02:09:20 +08:00
98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
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import torch
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from PIL import Image
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from transformers import AutoModel, AutoTokenizer
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Image.MAX_IMAGE_PIXELS = 1000000000
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max_token = {
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'docVQA': 100,
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'textVQA': 100,
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"docVQATest": 100
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}
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class MiniCPM_V:
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def __init__(self, model_path, ckpt, device=None)->None:
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self.model_path = model_path
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self.ckpt = ckpt
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self.model = AutoModel.from_pretrained(self.model_path, trust_remote_code=True).eval()
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if self.ckpt is not None:
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self.ckpt = ckpt
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self.state_dict = torch.load(self.ckpt, map_location=torch.device('cpu'))
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self.model.load_state_dict(self.state_dict)
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self.model = self.model.to(dtype=torch.float16)
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self.model.to(device)
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self.tokenizer = AutoTokenizer.from_pretrained(self.model_path, trust_remote_code=True)
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torch.cuda.empty_cache()
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def generate(self, images, questions, datasetname):
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image = Image.open(images[0]).convert('RGB')
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try:
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max_new_tokens = max_token[datasetname]
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except:
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max_new_tokens = 1024
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if (datasetname == 'docVQA') or (datasetname == "docVQATest") :
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prompt = "Answer the question directly with single word." + "\n" + questions[0]
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elif (datasetname == 'textVQA') :
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prompt = "Answer the question directly with single word." + '\n'+ questions[0]
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msgs = [{'role': 'user', 'content': prompt}]
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default_kwargs = dict(
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max_new_tokens=max_new_tokens,
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sampling=False,
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num_beams=3
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)
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res = self.model.chat(
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image=image,
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msgs=msgs,
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context=None,
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tokenizer=self.tokenizer,
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**default_kwargs
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)
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return [res]
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def generate_with_interleaved(self, images, questions, datasetname):
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try:
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max_new_tokens = max_token[datasetname]
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except:
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max_new_tokens = 1024
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prompt = "Answer the question directly with single word."
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default_kwargs = dict(
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max_new_tokens=max_new_tokens,
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sampling=False,
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num_beams=3
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)
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content = []
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message = [
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{'type': 'text', 'value': prompt},
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{'type': 'image', 'value': images[0]},
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{'type': 'text', 'value': questions[0]}
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]
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for x in message:
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if x['type'] == 'text':
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content.append(x['value'])
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elif x['type'] == 'image':
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image = Image.open(x['value']).convert('RGB')
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content.append(image)
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msgs = [{'role': 'user', 'content': content}]
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res = self.model.chat(
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image=None,
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msgs=msgs,
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context=None,
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tokenizer=self.tokenizer,
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**default_kwargs
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)
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if isinstance(res, tuple) and len(res) > 0:
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res = res[0]
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print(f"Q: {content}, \nA: {res}")
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return [res]
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