Flask 1 Introductory Chapter
reference: 《Flask Web 开发》
Environment
Python 3
Mac OSX
Introductory Chapter: 安装
1.安装第三方工具 virtualenv
sudo easy_install virtualenv
显示其版本信息:
virtualenv --version
sh-3.2# virtualenv --version
15.1.0
2.git clone 文件夹用以保存代码:
git clone https://github.com/miguelgrinberg/flasky.git
cd flasky
git checkout 1a
3.在flasky中创建虚拟环境venv
virtualenv venv
sh-3.2# virtualenv venv
New python executable in /Users/wasdns/Desktop/flasky/venv/bin/python
Installing setuptools, pip, wheel...done.
sh-3.2# ls
.git LICENSE hello.py
.gitignore README.md venv
4.激活虚拟环境:
source venv/bin/activate
系统自动修改命令行提示符,加入环境名:
(venv) sh-3.2#
5.ps.如果想回到全局环境,执行:
deactivate
6.在虚拟环境中安装Flask:
pip install flask
检验:在python界面中导入flask模块。
(venv) sh-3.2# python
Python 2.7.10 (default, Oct 23 2015, 19:19:21)
[GCC 4.2.1 Compatible Apple LLVM 7.0.0 (clang-700.0.59.5)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import flask
>>>
成功安装Flask。
2017/2/14
To improve is to change, to be perfect is to change often.