mac os10.11下安装MySQLdb

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最近在mac下安装mysqldb－python搞的好麻烦，为了避免这个坑，先记下来再讲！

• 首先重启mac，长按cmd＋R，进入恢复模式，然后依次点击应用－》终端，然后输入csrutil disable,究其原因，是因为某些库文件mac为了安全不让写入，所以，必须把安全模式关闭；然后启动mac；
  
• 然后
  
  
  

>>> import MySQLdb
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "build/bdist.macosx-10.11-intel/egg/MySQLdb/__init__.py", line 19, in <module>
  File "build/bdist.macosx-10.11-intel/egg/_mysql.py", line 7, in <module>
  File "build/bdist.macosx-10.11-intel/egg/_mysql.py", line 6, in __bootstrap__
ImportError: dlopen(/Users/zhao/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.11-intel.egg-tmp/_mysql.so, 2): Library not loaded: libmysqlclient.18.dylib
  unsafe referenced from: /Users/zhao/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.11-intel.egg-tmp/_mysql.so这个问题就解决了，然后再执行import MySQLdb
还是会报错，

ImportError: dlopen(/Users/zhao/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.11-intel.egg-tmp/_mysql.so, 2): Library not loaded: libmysqlclient.18.dylib
  Referenced from: /Users/zhao/.python-eggs/MySQL_python-1.2.5-py2.7-macosx-10.11-intel.egg-tmp/_mysql.so
  Reason: image not found
3.这时候再执行ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib
最终这个问题终于解决了