V2EX = way to explore
V2EX 是一个关于分享和探索的地方
Sign Up Now
For Existing Member Sign In
推荐学习书目
› Learn Python the Hard Way
Python Sites
› PyPI - Python Package Index
› http://diveintopython.org/toc/index.html
› Pocoo
值得关注的项目
› PyPy
› Celery
› Jinja2
› Read the Docs
› gevent
› pyenv
› virtualenv
› Stackless Python
› Beautiful Soup
› 结巴中文分词
› Green Unicorn
› Sentry
› Shovel
› Pyflakes
› pytest
Python 编程
› pep8 Checker
Styles
› PEP 8
› Google Python Style Guide
› Code Style from The Hitchhiker's Guide
This topic created in 1101 days ago, the information mentioned may be changed or developed.
目前当你使用 pip 安装 sqlalchemy 的包时，默认安装的版本已经是 2.0 版本了。因此假定你使用 1.4 时期的定义模型的方法，会直接报错；
TypeError: declarative_base() takes 0 positional arguments but 1 was given
解决方法和基础介绍详见，
https://watermelonwater.tech/sqlalchemy2-0%e7%ae%80%e6%98%8e%e4%bb%8b%e7%bb%8ddeclarative_base-%e6%8a%a5%e9%94%99%e8%a7%a3%e5%86%b3/
TypeError: declarative_base() takes 0 positional arguments but 1 was given
解决方法和基础介绍详见，
https://watermelonwater.tech/sqlalchemy2-0%e7%ae%80%e6%98%8e%e4%bb%8b%e7%bb%8ddeclarative_base-%e6%8a%a5%e9%94%99%e8%a7%a3%e5%86%b3/
No Comments Yet
Select Language