mirror of https://github.com/vladmandic/automatic
222 lines
9.9 KiB
Python
222 lines
9.9 KiB
Python
import json
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import torch
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import transformers
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import transformers.dynamic_module_utils
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from PIL import Image
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from modules import shared, devices, errors
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processor = None
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model = None
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loaded: str = None
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MODELS = {
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"MS Florence 2 Base": "microsoft/Florence-2-base", # 0.5GB
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"MS Florence 2 Large": "microsoft/Florence-2-large", # 1.5GB
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"MiaoshouAI PromptGen 1.5 Base": "MiaoshouAI/Florence-2-base-PromptGen-v1.5@c06a5f02cc6071a5d65ee5d294cf3732d3097540", # 1.1GB
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"MiaoshouAI PromptGen 1.5 Large": "MiaoshouAI/Florence-2-large-PromptGen-v1.5@28a42440e39c9c32b83f7ae74ec2b3d1540404f0", # 3.3GB
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"MiaoshouAI PromptGen 2.0 Base": "MiaoshouAI/Florence-2-base-PromptGen-v2.0", # 1.1GB
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"MiaoshouAI PromptGen 2.0 Large": "MiaoshouAI/Florence-2-large-PromptGen-v2.0", # 3.3GB
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"CogFlorence 2.0 Large": "thwri/CogFlorence-2-Large-Freeze", # 1.6GB
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"CogFlorence 2.2 Large": "thwri/CogFlorence-2.2-Large", # 1.6GB
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"Moondream 2": "vikhyatk/moondream2", # 3.7GB
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"GIT TextCaps Base": "microsoft/git-base-textcaps", # 0.7GB
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"GIT VQA Base": "microsoft/git-base-vqav2", # 0.7GB
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"GIT VQA Large": "microsoft/git-large-vqav2", # 1.6GB
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"BLIP Base": "Salesforce/blip-vqa-base", # 1.5GB
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"BLIP Large": "Salesforce/blip-vqa-capfilt-large", # 1.5GB
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"ViLT Base": "dandelin/vilt-b32-finetuned-vqa", # 0.5GB
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"Pix Textcaps": "google/pix2struct-textcaps-base", # 1.1GB
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}
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def git(question: str, image: Image.Image, repo: str = None):
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global processor, model, loaded # pylint: disable=global-statement
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if model is None or loaded != repo:
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model = transformers.GitForCausalLM.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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processor = transformers.GitProcessor.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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loaded = repo
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model.to(devices.device, devices.dtype)
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shared.log.debug(f'VQA: class={model.__class__.__name__} processor={processor.__class__} model={repo}')
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pixel_values = processor(images=image, return_tensors="pt").pixel_values
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git_dict = {}
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git_dict['pixel_values'] = pixel_values.to(devices.device, devices.dtype)
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if len(question) > 0:
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input_ids = processor(text=question, add_special_tokens=False).input_ids
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input_ids = [processor.tokenizer.cls_token_id] + input_ids
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input_ids = torch.tensor(input_ids).unsqueeze(0)
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git_dict['input_ids'] = input_ids.to(devices.device)
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with devices.inference_context():
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generated_ids = model.generate(**git_dict)
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response = processor.batch_decode(generated_ids, skip_special_tokens=True)[0]
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shared.log.debug(f'VQA: response={response}')
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return response
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def blip(question: str, image: Image.Image, repo: str = None):
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global processor, model, loaded # pylint: disable=global-statement
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if model is None or loaded != repo:
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model = transformers.BlipForQuestionAnswering.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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processor = transformers.BlipProcessor.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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loaded = repo
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model.to(devices.device, devices.dtype)
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inputs = processor(image, question, return_tensors="pt")
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inputs = inputs.to(devices.device, devices.dtype)
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with devices.inference_context():
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outputs = model.generate(**inputs)
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response = processor.decode(outputs[0], skip_special_tokens=True)
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model.to(devices.cpu)
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shared.log.debug(f'VQA: response={response}')
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return response
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def vilt(question: str, image: Image.Image, repo: str = None):
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global processor, model, loaded # pylint: disable=global-statement
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if model is None or loaded != repo:
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model = transformers.ViltForQuestionAnswering.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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processor = transformers.ViltProcessor.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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loaded = repo
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model.to(devices.device)
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shared.log.debug(f'VQA: class={model.__class__.__name__} processor={processor.__class__} model={repo}')
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inputs = processor(image, question, return_tensors="pt")
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inputs = inputs.to(devices.device)
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with devices.inference_context():
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outputs = model(**inputs)
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logits = outputs.logits
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idx = logits.argmax(-1).item()
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response = model.config.id2label[idx]
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shared.log.debug(f'VQA: response={response}')
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return response
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def pix(question: str, image: Image.Image, repo: str = None):
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global processor, model, loaded # pylint: disable=global-statement
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if model is None or loaded != repo:
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model = transformers.Pix2StructForConditionalGeneration.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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processor = transformers.Pix2StructProcessor.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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loaded = repo
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model.to(devices.device)
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shared.log.debug(f'VQA: class={model.__class__.__name__} processor={processor.__class__} model={repo}')
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if len(question) > 0:
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inputs = processor(images=image, text=question, return_tensors="pt").to(devices.device)
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else:
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inputs = processor(images=image, return_tensors="pt").to(devices.device)
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with devices.inference_context():
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outputs = model.generate(**inputs)
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response = processor.decode(outputs[0], skip_special_tokens=True)
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shared.log.debug(f'VQA: response={response}')
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return response
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def moondream(question: str, image: Image.Image, repo: str = None):
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global processor, model, loaded # pylint: disable=global-statement
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if model is None or loaded != repo:
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model = transformers.AutoModelForCausalLM.from_pretrained(repo, trust_remote_code=True, cache_dir=shared.opts.hfcache_dir) # revision = "2024-03-05"
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processor = transformers.AutoTokenizer.from_pretrained(repo, cache_dir=shared.opts.hfcache_dir)
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loaded = repo
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model.eval()
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model.to(devices.device, devices.dtype)
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shared.log.debug(f'VQA: class={model.__class__.__name__} processor={processor.__class__} model={repo}')
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if len(question) < 2:
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question = "Describe the image."
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encoded = model.encode_image(image)
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with devices.inference_context():
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response = model.answer_question(encoded, question, processor)
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shared.log.debug(f'VQA: response="{response}"')
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return response
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def florence(question: str, image: Image.Image, repo: str = None, revision: str = None):
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global processor, model, loaded # pylint: disable=global-statement
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_get_imports = transformers.dynamic_module_utils.get_imports
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def get_imports(f):
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R = _get_imports(f)
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if "flash_attn" in R:
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R.remove("flash_attn") # flash_attn is optional
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return R
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if model is None or loaded != repo:
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transformers.dynamic_module_utils.get_imports = get_imports
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model = transformers.AutoModelForCausalLM.from_pretrained(repo, trust_remote_code=True, revision=revision, cache_dir=shared.opts.hfcache_dir)
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processor = transformers.AutoProcessor.from_pretrained(repo, trust_remote_code=True, revision=revision, cache_dir=shared.opts.hfcache_dir)
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transformers.dynamic_module_utils.get_imports = _get_imports
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loaded = repo
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model.eval()
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model.to(devices.device, devices.dtype)
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shared.log.debug(f'VQA: class={model.__class__.__name__} processor={processor.__class__} model={repo}')
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if question.startswith('<'):
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task = question.split('>', 1)[0] + '>'
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else:
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task = '<MORE_DETAILED_CAPTION>'
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# question = task + question
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inputs = processor(text=task, images=image, return_tensors="pt")
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input_ids = inputs['input_ids'].to(devices.device)
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pixel_values = inputs['pixel_values'].to(devices.device, devices.dtype)
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with devices.inference_context():
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generated_ids = model.generate(
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input_ids=input_ids,
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pixel_values=pixel_values,
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max_new_tokens=1024,
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num_beams=3,
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do_sample=False
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)
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generated_text = processor.batch_decode(generated_ids, skip_special_tokens=False)[0]
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response = processor.post_process_generation(generated_text, task="task", image_size=(image.width, image.height))
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if 'task' in response:
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response = response['task']
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if 'answer' in response:
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response = response['answer']
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if isinstance(response, dict):
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response = json.dumps(response)
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response = response.replace('\n', '').replace('\r', '').replace('\t', '').strip()
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shared.log.debug(f'VQA: task={task} response="{response}"')
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return response
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def interrogate(vqa_question, vqa_image, vqa_model_req):
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try:
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vqa_model = MODELS.get(vqa_model_req, None)
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revision = None
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if '@' in vqa_model:
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vqa_model, revision = vqa_model.split('@')
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shared.log.debug(f'VQA: model="{vqa_model}" question="{vqa_question}" image={vqa_image}')
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if vqa_image is None:
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answer = 'no image provided'
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return answer
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if vqa_model_req is None:
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answer = 'no model selected'
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return answer
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if vqa_model is None:
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answer = f'unknown: model={vqa_model_req} available={MODELS.keys()}'
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return answer
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if 'git' in vqa_model.lower():
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answer = git(vqa_question, vqa_image, vqa_model)
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elif 'vilt' in vqa_model.lower():
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answer = vilt(vqa_question, vqa_image, vqa_model)
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elif 'blip' in vqa_model.lower():
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answer = blip(vqa_question, vqa_image, vqa_model)
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elif 'pix' in vqa_model.lower():
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answer = pix(vqa_question, vqa_image, vqa_model)
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elif 'moondream2' in vqa_model.lower():
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answer = moondream(vqa_question, vqa_image, vqa_model)
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elif 'florence' in vqa_model.lower():
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answer = florence(vqa_question, vqa_image, vqa_model, revision)
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else:
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answer = 'unknown model'
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except Exception as e:
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errors.display(e, 'VQA')
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answer = 'error'
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if model is not None:
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model.to(devices.cpu)
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devices.torch_gc()
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return answer
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