app.py

import os
import json
import shutil
import gradio as gr
import random
from huggingface_hub import Repository,HfApi
from huggingface_hub import snapshot_download
# from datasets import load_dataset
from datasets import config

hf_token = os.environ['hf_token']  # 确保环境变量中有你的令牌

local_dir = "VBench_sampled_video"  # 本地文件夹路径
# dataset = load_dataset("Vchitect/VBench_sampled_video")
# print(os.listdir("~/.cache/huggingface/datasets/Vchitect___VBench_sampled_video/"))
# root = "~/.cache/huggingface/datasets/Vchitect___VBench_sampled_video/"
# print(config.HF_DATASETS_CACHE)
# root = config.HF_DATASETS_CACHE
# print(root)
def print_directory_contents(path, indent=0):
    # 打印当前目录的内容
    try:
        for item in os.listdir(path):
            item_path = os.path.join(path, item)
            print('    ' * indent + item)  # 使用缩进打印文件或文件夹
            if os.path.isdir(item_path):  # 如果是目录，则递归调用
                print_directory_contents(item_path, indent + 1)
    except PermissionError:
        print('    ' * indent + "[权限错误，无法访问该目录]")

# 拉取数据集
os.makedirs(local_dir, exist_ok=True)
hf_api = HfApi(endpoint="https://huggingface.co", token=hf_token)
hf_api = HfApi(token=hf_token)
repo_id = "Vchitect/VBench_sampled_video"

model_names=['Gen-2','Gen-3']

with open("videos_by_dimension.json") as f:
    dimension = json.load(f)['videos_by_dimension']

# with open("all_videos.json") as f:
    # all_videos = json.load(f)

types = ['appearance_style', 'color', 'temporal_style', 'spatial_relationship', 'temporal_flickering', 'scene', 'multiple_objects', 'object_class', 'human_action', 'overall_consistency', 'subject_consistency']

def get_random_video():
    # 随机选择一个索引
    random_index = random.randint(0, len(types) - 1)
    type = types[random_index]
    # 随机选择一个Prompt
    random_index = random.randint(0, len(dimension[type]) - 1)
    prompt = dimension[type][random_index]
    # 随机一个模型
    random_index = random.randint(0, len(model_names) - 1)
    model_name =  model_names[random_index]

    

    video_path_subfolder = os.path.join(model_name, type)
    try:
        hf_api.hf_hub_download(
            repo_id = repo_id,
            filename = prompt,
            subfolder = video_path_subfolder,
            repo_type = dataset,
            local_dir = local_dir
        )
    except Exception as e:
        print(f"[PATH]{video_path_subfolder} NOT in hf repo, try {model_name}")
        print(e)
        video_path_subfolder = model_name
        try:
            hf_api.hf_hub_download(
                repo_id = repo_id,
                filename = prompt,
                subfolder = video_path_subfolder,
                repo_type = dataset,
                local_dir = local_dir
            )
        except Exception as e:
            print(e)
    # video_path = dataset['train'][random_index]['video_path']
    print('error:', video_path)
    return video_path

# Gradio 接口
def display_video():
    video_path = get_random_video()
    return video_path

interface = gr.Interface(fn=display_video, 
                         outputs=gr.Video(label="随机视频展示"),
                         inputs=[], 
                         title="随机视频展示",
                         description="从 Vchitect/VBench_sampled_video 数据集中随机展示一个视频。")

if __name__ == "__main__":
    interface.launch()