pip安装python访问mysql第三方模块MySQL-python报以下错误

$ pip install MySQL-python

Collecting mysql-python
  Using cached MySQL-python-1.2.5.zip
    Complete output from command python setup.py egg_info:
    sh: mysql_config: 未找到命令
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-Ukpo7y/mysql-python/setup.py", line 17, in <module>
        metadata, options = get_config()
      File "setup_posix.py", line 43, in get_config
        libs = mysql_config("libs_r")
      File "setup_posix.py", line 25, in mysql_config
        raise EnvironmentError("%s not found" % (mysql_config.path,))
    EnvironmentError: mysql_config not found

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-Ukpo7y/mysql-python/

解决方法：
centos:

$ yum install -y mysql-devel python-devel
$ pip install MySQL-python

ubuntu:

$ apt-get install python-dev
$ pip install MySQL-python