import os
import sys

# 添加项目根目录到Python路径
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

# 设置Django环境变量
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'application.settings')

# 初始化Django
import django
django.setup()

# 现在可以导入模型
from crud_book.models import CrudBookModel

# 查询ID为2的图书
book = CrudBookModel.objects.filter(id=2).first()
print(f'Book exists: {book is not None}')

if book:
    print(f'File exists: {bool(book.file)}')
    if book.file:
        try:
            print(f'File path: {book.file.path}')
            print(f'File exists on disk: {os.path.exists(book.file.path)}')
        except Exception as e:
            print(f'Error accessing file path: {e}')
    print(f'File url: {book.file.url if book.file else None}')