3. Create your SQLAlchemy engine Now you can create your SQLAlchemy engine. The engine is what SQLAlchemy uses to interface with your database. Here’s an example of how you might set up the engine in your Flask app: fromflaskimportFlaskfromflask_sqlalchemyimportSQLAlchemy app=Fl...
pip install Flask-SQLAlchemy 执行命令并等待安装完成: 按下回车键执行命令,pip 将开始下载并安装 Flask-SQLAlchemy 及其依赖项。安装过程可能需要一些时间,具体取决于你的网络速度和计算机性能。 验证安装是否成功(可选): 安装完成后,你可以通过尝试导入 Flask-SQLAlchemy 来验证安装是否成功。在你的 Python 脚本或...
Installing collected packages: SQLAlchemy, flask-sqlalchemy Running setup.py install for SQLAlchemy ... error Exception: Traceback (most recent call last): File "D:\Users\Administrator\Miniconda3\lib\site-packages\pip\compat\__init__.py", line 73, in console_to_str return s.decode(sys.__...
Adding Flask-SQLAlchemy 1.0 to easy-install.pth file Installed /home/zt/flask_study/venv-test/test/env/lib/python2.7/site-packages/Flask_SQLAlchemy-1.0-py2.7.egg Processing dependencies for Flask-SQLAlchemy Searching for SQLAlchemy Reading http://pypi.python.org/simple/SQLAlchemy/ Download error ...
install_requires=["flask", "flask-migrate", "sqlalchemy"], extras_require={"mysql": ["mysqlclient"], "pgsql": ["psycopg2"]} ) 注意那两个 key 分别是install_requires和extras_require,别写错了。此外,如果你需要根据条件增减依赖的话,不要用 ...
[需要安装的包的名字]比如说你要安装markdown吧，就是：pip install -i http://pypi.tuna.tsinghua....
Flask-SQLAlchemy==1.0 Markdown==2.4 WTForms==1.0.5 alembic==0.6.3 ipython==1.2.1 nose==1.3.0 psycopg2==2.5.2 当我使用pip install -r request安装上述软件时,报出如下错误,请帮我看看是怎么回事呢? (homepage)duqi@Lenovo-G480:~/python/homepage$ pip install -r requests Downloading/unpacking ...
[需要安装的包的名字]比如说你要安装markdown吧，就是：pip install -i http://pypi.tuna.tsinghua....
pip install 另一个程序正在使用此文件,进程无法访问 pip install 另一个程序正在使用此文件,进程无法访问 Running setup.py clean for SQLAlchemy Failed to build SQLAlchemy Installcollected packages: SQLAlchemy, flask-sqlalchemy Running setup.py install for SQLAlchemy ... error Exception: Traceback (most...
[[source]] name = "pypi" url = "https://pypi.org/simple" verify_ssl = true [dev-packages] [packages] ipython = "*" flask = "*" sqlalchemy = "*" flask-sqlalchemy = "*" flask-admin = "*" flask-login = "*" [requires] python_version = "3.7" Contents of Pipfile.lock ('...