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#!/usr/bin/env python
from __future__ import annotations
import argparse
import functools
import os
import pathlib
import subprocess
import sys
# workaround for https://github.com/gradio-app/gradio/issues/483
command = 'pip install -U gradio==2.7.0'
subprocess.call(command.split())
import gradio as gr
import huggingface_hub
import PIL.Image
import torch
import torchvision
sys.path.insert(0, 'bizarre-pose-estimator')
from _util.twodee_v0 import I as ImageWrapper
TOKEN = os.environ['TOKEN']
MODEL_REPO = 'hysts/bizarre-pose-estimator-models'
MODEL_PATH = 'tagger.pth'
LABEL_PATH = 'tags.txt'
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser()
parser.add_argument('--device', type=str, default='cpu')
parser.add_argument('--score-slider-step', type=float, default=0.05)
parser.add_argument('--score-threshold', type=float, default=0.5)
parser.add_argument('--theme', type=str, default='dark-grass')
parser.add_argument('--live', action='store_true')
parser.add_argument('--share', action='store_true')
parser.add_argument('--port', type=int)
parser.add_argument('--disable-queue',
dest='enable_queue',
action='store_false')
parser.add_argument('--allow-flagging', type=str, default='never')
parser.add_argument('--allow-screenshot', action='store_true')
return parser.parse_args()
def download_sample_images() -> list[pathlib.Path]:
image_dir = pathlib.Path('samples')
image_dir.mkdir(exist_ok=True)
dataset_repo = 'hysts/sample-images-TADNE'
n_images = 36
paths = []
for index in range(n_images):
path = huggingface_hub.hf_hub_download(dataset_repo,
f'{index:02d}.jpg',
repo_type='dataset',
cache_dir=image_dir.as_posix(),
use_auth_token=TOKEN)
paths.append(pathlib.Path(path))
return paths
@torch.inference_mode()
def predict(image: PIL.Image.Image, score_threshold: float,
device: torch.device, model: torch.nn.Module,
labels: list[str]) -> dict[str, float]:
data = ImageWrapper(image).resize_square(256).alpha_bg(
c='w').convert('RGB').tensor()
data = data.to(device).unsqueeze(0)
preds = model(data)[0]
preds = torch.sigmoid(preds)
preds = preds.cpu().numpy().astype(float)
res = dict()
for prob, label in zip(preds, labels):
if prob < score_threshold:
continue
res[label] = prob
return res
def load_model(device: torch.device) -> torch.nn.Module:
model_path = huggingface_hub.hf_hub_download(MODEL_REPO,
MODEL_PATH,
use_auth_token=TOKEN)
state_dict = torch.load(model_path)
model = torchvision.models.resnet50(num_classes=1062)
model.load_state_dict(state_dict)
model.to(device)
model.eval()
return model
def load_labels() -> list[str]:
label_path = huggingface_hub.hf_hub_download(MODEL_REPO,
LABEL_PATH,
use_auth_token=TOKEN)
with open(label_path) as f:
labels = [line.strip() for line in f.readlines()]
return labels
def main():
gr.close_all()
args = parse_args()
device = torch.device(args.device)
image_paths = download_sample_images()
examples = [[path.as_posix(), args.score_threshold]
for path in image_paths]
model = load_model(device)
labels = load_labels()
func = functools.partial(predict,
device=device,
model=model,
labels=labels)
func = functools.update_wrapper(func, predict)
repo_url = 'https://github.com/ShuhongChen/bizarre-pose-estimator'
title = 'ShuhongChen/bizarre-pose-estimator (tagger)'
description = f'A demo for {repo_url}'
article = None
gr.Interface(
func,
[
gr.inputs.Image(type='pil', label='Input'),
gr.inputs.Slider(0,
1,
step=args.score_slider_step,
default=args.score_threshold,
label='Score Threshold'),
],
gr.outputs.Label(label='Output'),
theme=args.theme,
title=title,
description=description,
article=article,
examples=examples,
allow_screenshot=args.allow_screenshot,
allow_flagging=args.allow_flagging,
live=args.live,
).launch(
enable_queue=args.enable_queue,
server_port=args.port,
share=args.share,
)
if __name__ == '__main__':
main()