CentOS 6.6 安装pip
2017-03-15 18:40
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前一篇讲了如何在linux中安装python 2.7.8,接下来继续安装pip,pip是python安装各种包的工具,是非常腻害的工具
在安装过程中,经常报 :Nothing to do,有很多原因,其中一个原因是虚拟机竟然没有连网
,简直是太扯了,对自己太无语了。。。
1、先安装扩展源EPEL
显然,os中的源已经是安装了,而且是最新版本:
2、安装pip
一开始我以为安装pip就是命令:yum -y install pip,但是报错说:找不到数据源。。。
后来搜了一下,才知道要安装的是 python-pip:
安装完后,验证pip版本,发现安装的是pip2.6
3、安装python对应版本的pip
验证版本:
4、验证是否可以下载包
这里下载虚环境:virtualenv
5、解决pip的SNIMissingWarning警告
6、升级pip
[root@wc1 Desktop]# pip install --upgrade pip
Requirement already up-to-date: pip in /usr/local/python/lib/python2.7/site-packages/pip-9.0.1-py2.7.egg
在安装过程中,经常报 :Nothing to do,有很多原因,其中一个原因是虚拟机竟然没有连网
,简直是太扯了,对自己太无语了。。。
1、先安装扩展源EPEL
显然,os中的源已经是安装了,而且是最新版本:
[root@wc1 ~]# yum install epel-release -y Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Install Process Loading mirror speeds from cached hostfile * base: centos.ustc.edu.cn * epel: mirror01.idc.hinet.net * extras: ftp.sjtu.edu.cn * updates: centos.ustc.edu.cn Package epel-release-6-8.noarch already installed and latest version Nothing to do
2、安装pip
一开始我以为安装pip就是命令:yum -y install pip,但是报错说:找不到数据源。。。
后来搜了一下,才知道要安装的是 python-pip:
[root@wc1 ~]# yum -y install python-pip Loaded plugins: fastestmirror, refresh-packagekit, security warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEY Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 Importing GPG key 0x0608B895: Userid : EPEL (6) <epel@fedoraproject.org> Package: epel-release-6-8.noarch (@extras) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : python-setuptools-0.6.10-3.el6.noarch 1/2 Installing : python-pip-7.1.0-1.el6.noarch 2/2 Verifying : python-pip-7.1.0-1.el6.noarch 1/2 Verifying : python-setuptools-0.6.10-3.el6.noarch 2/2 Installed: python-pip.noarch 0:7.1.0-1.el6 Dependency Installed: python-setuptools.noarch 0:0.6.10-3.el6 Complete!
安装完后,验证pip版本,发现安装的是pip2.6
[root@wc1 Desktop]# whereis pip pip: /usr/bin/pip /usr/bin/pip2.6
3、安装python对应版本的pip
[root@wc1 Desktop]# wget https://bootstrap.pypa.io/ez_setup.py [root@wc1 Desktop]# python ez_setup.py [root@wc1 Desktop]# /usr/local/python/bin/easy_install-2.7 pip Searching for pip ...... [root@wc1 Desktop]# mv /usr/bin/pip /usr/bin/pip2.6.6 [root@wc1 Desktop]# ln -s /usr/local/python/bin/pip2.7 /usr/bin/pip
验证版本:
[root@wc1 Desktop]# pip --version pip 9.0.1 from /usr/local/python/lib/python2.7/site-packages/pip-9.0.1-py2.7.egg (python 2.7)
4、验证是否可以下载包
这里下载虚环境:virtualenv
[root@wc1 Desktop]# pip install virtualenv Collecting virtualenv /usr/local/python/lib/python2.7/site-packages/pip-9.0.1-py2.7.egg/pip/_vendor/requests/packages/urllib3/util/ssl_.py:318: SNIMissingWarning: An HTTPS request has been made, but the SNI (Subject Name Indication) extension to TLS is not available on this platform. This may cause the server to present an incorrect TLS certificate, which can cause validation failures. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/security.html#snimissingwarning. SNIMissingWarning /usr/local/python/lib/python2.7/site-packages/pip-9.0.1-py2.7.egg/pip/_vendor/requests/packages/urllib3/util/ssl_.py:122: InsecurePlatformWarning: A true SSLContext object is not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. You can upgrade to a newer version of Python to solve this. For more information, see https://urllib3.readthedocs.io/en/latest/security.html#insecureplatformwarning. InsecurePlatformWarning Using cached virtualenv-15.1.0-py2.py3-none-any.whl Installing collected packages: virtualenv Successfully installed virtualenv-15.1.0
5、解决pip的SNIMissingWarning警告
[root@wc1 Desktop]# pip install pyopenssl ndg-httpsclient pyasn1
6、升级pip
[root@wc1 Desktop]# pip install --upgrade pip
Requirement already up-to-date: pip in /usr/local/python/lib/python2.7/site-packages/pip-9.0.1-py2.7.egg
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