Python 2.7 升 3.4
Ubuntu 14.04 已经安装有python3.4.0命令行使用python3
或者创建链接即可
ln -s /usr/bin/python3 /usr/bin/python
【推荐此方法,然后用本文末的方法安装pip】
安装,有PPA可用(支持所有Ubuntu版本及衍生系统)
sudo add-apt-repository ppa:fkrull/deadsnakes
sudo apt-get update
sudo apt-get install python3.4
可见在/usr/bin/下有如下相关文件【ls /usr/bin/python 】
python2 python2.7-config python3.4 python-config
python2.7 python2-config python3.4mpython
更新链接
mv /usr/bin/python /usr/bin/python_old
ln -s /usr/bin/python3.4 /usr/bin/python
安装pip
sudo apt-get install python3-pip
sudo python3 -m easy_install pip
sudo pip3 install <packagename>
据说 证实可用
Well, on ubuntu 13.10/14.04, things are a little different.
Install
$ sudo apt-get install python3-pip
Install packages
$ sudo pip3 install packagename
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