python下setuptools的安装详解及No module named setuptools的解决方法

$wget --no-check-certificate https://pypi.python.org/packages/source/s/setuptools/setuptools-12.0.3.tar.gz#md5=f07e4b0f4c1c9368fcd980d888b29a65 

$ tar -zxvf setuptools-12.0.3.tar.gz
$ cd setuptools=12.0.3
$ python setup.py install

Installed /usr/local/python2.7.3/lib/python2.7/site-packages/supervisor-4.0.0_dev-py2.7.egg
Processing dependencies for supervisor==4.0.0-dev
Searching for meld3>=1.0.0
Reading https://pypi.python.org/simple/meld3/
Download error on https://pypi.python.org/simple/meld3/: [Errno 1] _ssl.c:504: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed -- Some packages may not be found!
Couldn't find index page for 'meld3' (maybe misspelled"color: #ff0000">解决办法:


上网查询了问题原因： 是curl的证书太老了需要下载最新的证书：


下载最新的证书文件 




$ wget http://curl.haxx.se/ca/cacert.pem 


更名为ca-bundle.crt放置到默认目录  




$ mv cacert.pem ca-bundle.crt 
$ mv ca-bundle.crt /etc/pki/tls/certs 


总结
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