Spaces:
Sleeping
Sleeping
| from __future__ import annotations | |
| import os | |
| import pathlib | |
| import shlex | |
| import shutil | |
| import subprocess | |
| import sys | |
| import cv2 | |
| import torch | |
| repo_dir = pathlib.Path(__file__).parent | |
| submodule_dir = repo_dir / 'prismer' | |
| sys.path.insert(0, submodule_dir.as_posix()) | |
| from dataset import create_dataset, create_loader | |
| from model.prismer_caption import PrismerCaption | |
| def download_models() -> None: | |
| if not pathlib.Path('prismer/experts/expert_weights/').exists(): | |
| subprocess.run(shlex.split( | |
| 'python download_checkpoints.py --download_experts=True'), | |
| cwd='prismer') | |
| model_names = [ | |
| 'vqa_prismer_base', | |
| 'vqa_prismer_large', | |
| 'vqa_prismerz_base', | |
| 'vqa_prismerz_large', | |
| 'caption_prismerz_base', | |
| 'caption_prismerz_large', | |
| 'caption_prismer_base', | |
| 'caption_prismer_large', | |
| ] | |
| for model_name in model_names: | |
| if pathlib.Path(f'prismer/logging/{model_name}').exists(): | |
| continue | |
| subprocess.run(shlex.split( | |
| f'python download_checkpoints.py --download_models={model_name}'), | |
| cwd='prismer') | |
| def build_deformable_conv() -> None: | |
| subprocess.run( | |
| shlex.split('sh make.sh'), | |
| cwd= | |
| 'prismer/experts/segmentation/mask2former/modeling/pixel_decoder/ops') | |
| def run_experts(image_path: str) -> tuple[str | None, ...]: | |
| helper_dir = submodule_dir / 'helpers' | |
| shutil.rmtree(helper_dir, ignore_errors=True) | |
| image_dir = helper_dir / 'images' | |
| image_dir.mkdir(parents=True, exist_ok=True) | |
| out_path = image_dir / 'image.jpg' | |
| cv2.imwrite(out_path.as_posix(), cv2.imread(image_path)) | |
| expert_names = [ | |
| 'depth', | |
| 'edge', | |
| 'normal', | |
| 'objdet', | |
| 'ocrdet', | |
| 'segmentation', | |
| ] | |
| for expert_name in expert_names: | |
| env = os.environ.copy() | |
| if 'PYTHONPATH' in env: | |
| env['PYTHONPATH'] = f'{submodule_dir.as_posix()}:{env["PYTHONPATH"]}' | |
| else: | |
| env['PYTHONPATH'] = submodule_dir.as_posix() | |
| subprocess.run( | |
| shlex.split(f'python experts/generate_{expert_name}.py'), | |
| cwd='prismer', | |
| env=env, | |
| check=True) | |
| keys = [ | |
| 'depth', | |
| 'edge', | |
| 'normal', | |
| 'seg_coco', | |
| 'obj_detection', | |
| 'ocr_detection', | |
| ] | |
| results = [ | |
| pathlib.Path('prismer/helpers/labels') / key / | |
| 'helpers/images/image.png' for key in keys | |
| ] | |
| return tuple(path.as_posix() if path.exists() else None | |
| for path in results) | |
| class Model: | |
| def __init__(self): | |
| self.config = None | |
| self.model = None | |
| self.tokenizer = None | |
| self.exp_name = '' | |
| def set_model(self, exp_name: str) -> None: | |
| if exp_name == self.exp_name: | |
| return | |
| config = { | |
| 'dataset': | |
| 'demo', | |
| 'data_path': | |
| 'prismer/helpers', | |
| 'label_path': | |
| 'prismer/helpers/labels', | |
| 'experts': [ | |
| 'depth', | |
| 'normal', | |
| 'seg_coco', | |
| 'edge', | |
| 'obj_detection', | |
| 'ocr_detection', | |
| ], | |
| 'image_resolution': | |
| 480, | |
| 'prismer_model': | |
| 'prismer_base', | |
| 'freeze': | |
| 'freeze_vision', | |
| 'prefix': | |
| 'A picture of', | |
| } | |
| model = PrismerCaption(config) | |
| state_dict = torch.load( | |
| f'prismer/logging/caption_{exp_name}/pytorch_model.bin', | |
| map_location='cuda:0') | |
| model.load_state_dict(state_dict) | |
| model.eval() | |
| tokenizer = model.tokenizer | |
| self.config = config | |
| self.model = model | |
| self.tokenizer = tokenizer | |
| self.exp_name = exp_name | |
| def run_caption_model(self, exp_name: str) -> str: | |
| self.set_model(exp_name) | |
| _, test_dataset = create_dataset('caption', self.config) | |
| test_loader = create_loader(test_dataset, | |
| batch_size=1, | |
| num_workers=4, | |
| train=False) | |
| experts, _ = next(iter(test_loader)) | |
| captions = self.model(experts, | |
| train=False, | |
| prefix=self.config['prefix']) | |
| captions = self.tokenizer(captions, | |
| max_length=30, | |
| padding='max_length', | |
| return_tensors='pt').input_ids | |
| caption = captions.to(experts['rgb'].device)[0] | |
| caption = self.tokenizer.decode(caption, skip_special_tokens=True) | |
| caption = caption.capitalize() + '.' | |
| return caption | |
| def run_caption(self, image_path: str, | |
| model_name: str) -> tuple[str | None, ...]: | |
| out_paths = run_experts(image_path) | |
| caption = self.run_caption_model(model_name) | |
| return caption, *out_paths | |