搭建Python的Django框架环境并建立和运行第一个App的教程

#安装最新版本的Django
$ pip install django 
#或者指定安装版本
pip install -v django==1.7.1

$ django-admin.py startproject my_blog

$ tree my_blog  #打印树形文件结构

my_blog
├── manage.py
└── my_blog
  ├── __init__.py
  ├── settings.py
  ├── urls.py
  └── wsgi.py


1 directory, 5 files

$ python manage.py startapp article

── article
│  ├── __init__.py
│  ├── admin.py
│  ├── migrations
│  │  └── __init__.py
│  ├── models.py
│  ├── tests.py
│  └── views.py
├── db.sqlite3
├── manage.py
├── my_blog
  ├── __init__.py
  ├── __pycache__
  │  ├── __init__.cpython-34.pyc
  │  ├── settings.cpython-34.pyc
  │  ├── urls.cpython-34.pyc
  │  └── wsgi.cpython-34.pyc
  ├── settings.py
  ├── urls.py
  └── wsgi.py

INSTALLED_APPS = (
  ...
  'article', #这里填写的是app的名称
)

$ python manage.py runserver  #启动Django中的开发服务器

#如果运行上面命令出现以下提示
You have unapplied migrations; your app may not work properly until they are applied.
Run 'python manage.py migrate' to apply them.
#请先使用下面命令
python manage.py migrate
#输出如下信息
Operations to perform:
 Apply all migrations: contenttypes, sessions, admin, auth
Running migrations:
 Applying contenttypes.0001_initial... OK
 Applying auth.0001_initial... OK
 Applying admin.0001_initial... OK
 Applying sessions.0001_initial... OK

#重新运行启动Django中的开发服务器
$ python manage.py runserver

#运行成功显示如下信息
System check identified no issues (0 silenced).
December 21, 2014 - 08:56:00
Django version 1.7.1, using settings 'my_blog.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.

python manage.py <command> [options] #Django Command python manange.py -h帮助文档
django-admin.py startproject my_blog #创建项目
python manage.py startapp article #创建app