flask 0.12 版本 安装

ubuntu16.04

python -V Python 2.7.12

pip install flask==0.12 Installing collected packages: MarkupSafe, Jinja2, Werkzeug, click, itsdangerous, flask Successfully installed Jinja2-2.10.3 MarkupSafe-1.1.1 Werkzeug-0.16.0 click-7.0 flask-0.12 itsdangerous-1.1.0

Package Version

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Click 7.0 Flask 0.12 itsdangerous 1.1.0 Jinja2 2.10.3 MarkupSafe 1.1.1 pip 19.3.1 setuptools 41.6.0 Werkzeug 0.16.0 wheel 0.33.6

windows 安装

C:\Python27 virtualenv -p C:\Python27\python.exe venv_py2 venv_py2\Scripts>activate venv_py2\Scripts>activate pip install flask==0.12

Package Version

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Click 7.0 Flask 0.12 itsdangerous 1.1.0 Jinja2 2.10.3 MarkupSafe 1.1.1 pip 19.3.1 setuptools 41.6.0 Werkzeug 0.16.0 wheel 0.33.6

python -V Python 2.7.13

Python 2.7.13

deactivate.bat