Mac中安装Python+Django+MySQL完整步骤

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1 Mac系统默认自带Python,查看版本:
命令行输入:python
Python 2.7.6 (default, Sep  9 2014, 15:04:36)
版本号为2.7.6
所以不用安装了
 
2 安装Django,最新的版本1.7
(1)首先使用easy_install安装pip(easy_install是Python的包管理工具,类似Ruby下的gem,pip是升级版的easy_install), sudo easy_install pip
(2)安装成功后,安装Django, pip install Django==1.7 ---->我用的是1.9的版本
(3)查看安装路径:默认为/usr/bin,如果看到django-admin.py说明安装成功,django-admin.py是Django的管理工具,用来生成项目和应用
 
3 连接mysql
(1)安装mysql for mac,直接从官网上下载dmg文件安装即可,需要64位版本 这一步我做了好久,没有找到mac版的Mysql安装文件,我下载的5.6的tar.gz文件,详细的安装步骤看我的 http://blog.csdn.net/u014057054/article/details/52070390这篇文章
(2)安装mysql python驱动, sudo easy_install mysql-python
  这一步也是不不惊心,需要command_line_tools的xcode才能安装,我很久都没有登录苹果的AppStore了,密码都忘记了,给一个下载之前  苹果文件的下载地址(https://developer.apple.com/download/more/ 需要什么的可以去里面找),找到安装就OK了。
4 创建第一个项目
(1)创建项目:django-admin.py startproject demoproject
(2)创建应用:
cd demoproject
python manage.py startapp demoapp
创建成功
(3)修改settting.py,将demoapp加入到INSTALLED_APPS
INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'demoapp'
)
(4)修改settting.py,将默认的sqlite数据库换成mysql
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'djangodb',
        'USER': 'root',
        'PASSWORD': 'root',
        'HOST': '127.0.0.1',
        'PORT': '3306',                  
    }
}
(5)在demoproject下输入:python manage.py dbshell,如果能正常进入mysql命令行,则说明连接成功 提示一下,这个要提前在Mysql中创建djangodb数据库。
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 270
Server version: 5.5.38 MySQL Community Server (GPL)
 
Copyright (c) 2000, 2014, Oracle and/or its affiliates. All rights reserved.
 
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
 
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
 
mysql>
 
sudo python manage.py dbshell一直报错,找了一晚上 File "/Library/Python/2.7/site-packages/django/db/backends/mysql/base.py", line 28, in <module>    raise ImproperlyConfigured("Error loading MySQLdb module: %s" % e)django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: dlopen(/Users/znt/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.8-intel.egg-tmp/_mysql.so, 2): Library not loaded: libmysqlclient.18.dylib  Referenced from: /Users/znt/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.8-intel.egg-tmp/_mysql.so  Reason: image not found就是我手动安装的Mysql的库没有在系统的类库目中找到,python一直提示错误,执行下面的语句就问题解决了 sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib

5 启动应用
(1)同步数据库:执行python manage.py syncdb,第一次启动需要创建superuser,用来管理django后台
这一步是没有必要的,django1.7.4之后就没有了这个syncdb命令了。。。。,我用的是django1.9
Operations to perform:
  Apply all migrations: admin, contenttypes, auth, sessions
Running migrations:
  Applying contenttypes.0001_initial... OK
  Applying auth.0001_initial... OK
  Applying admin.0001_initial... OK
  Applying sessions.0001_initial... OK
 
You have installed Django's auth system, and don't have any superusers defined.
Would you like to create one now? (yes/no): yes
Username (leave blank to use 'thierry'): thierry
Email address: thierry.xing@gmail.com
Password:
Password (again):
Superuser created successfully.
 
(2)启动服务:python manage.py runserver:
Performing system checks...
 
System check identified no issues (0 silenced).
December 03, 2014 - 08:36:46
Django version 1.7, using settings 'djproject.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.
 
启动成功,在浏览器输入http://127.0.0.1:8000/打开应用
在浏览器输入http://127.0.0.1:8000/admin进入后台管理应用


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