linux下安装easy_install的方法

WBOY
Release: 2016-06-06 11:28:05
Original
1368 people have browsed it

如果想使用easy_install工具,可能需要先安装setuptools,不过更酷的方法是使用ez_setup.py脚本:

代码如下:


wget -q http://peak.telecommunity.com/dist/ez_setup.py
python ez_setup.py

安装完后,最好确保easy_install所在目录已经被加到PATH环境变量里:

代码如下:


Windows: C:\Python25\Scripts
Linux: /usr/local/bin

比如说要安装Python的MySQL支持,可以执行如下命令,系统会自动在pypi网站列表里查找相关软件包:

代码如下:


easy_install MySQL-python

如果你在Windows+python2.5上执行如上命令的话,可能会出现如下错误:

代码如下:


Processing MySQL-python-1.2.3c1.tar.gz
Running MySQL-python-1.2.3c1\setup.py -q bdist_egg --dist-dir c:\docume~1\...
\locals~1\temp\easy_install-fvvfve\MySQL-python-1.2.3c1\egg-dist-tmp-q9moxf
error: The system cannot find the file specified

出现这类错误的原因是选错了版本,针对这个案列,我们可以显式指定软件包的版本号:

代码如下:


easy_install "MySQL-python==1.2.2"

通过easy_install安装软件,相关安装信息会保存到easy-install.pth文件里,路径类似如下形式:

代码如下:


Windows:C:\Python25\Lib\site-packages\easy-install.pth
Linux:/usr/local/lib/python25/site-packages/easy-install.pth

如果想删除通过easy_install安装的软件包,比如说:MySQL-python,可以执行命令:

代码如下:


easy_install -m MySQL-python

此操作会从easy-install.pth文件里把MySQL-python的相关信息抹去,剩下的egg文件,手动删除即可。

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