[Tips] 在 Ubuntu 10.04 安裝 Python 2.7

既上次發生的移除 Python 慘劇後, 今天我又想要挑戰更新 Python 2.7 了

隨便逛逛看到這篇, 感覺用的人很安心, 就來試試看吧

$ python -V
Python 2.6.5
$ curl -kL https://raw.github.com/utahta/pythonbrew/master/pythonbrew-install | bash
$ . $HOME/.pythonbrew/etc/bashrc
$ pythonbrew install 2.7.2
$ pythonbrew switch 2.7.2
Switched to Python-2.7.2
$ python -V
Python 2.7.2

再來是搞定 pip
原來用 pip 安裝的模組預設會在 /usr/lib/pymodules/python2.6 下, 所以即使更新到 Python 2.7 以後, 想要更新模組都會出現

Requirement already satisfied (use --upgrade to upgrade): xxxx in /usr/lib/pymodules/python2.6

做法就是先將 /usr/bin/python 的 alias 換成 Python 2.7, 再移除舊版的 pip, 再下載安裝 pip 即可

ls -al /usr/bin/python*
sudo rm /usr/bin/python
sudo ln -s /home/USER/.pythonbrew/pythons/Python-2.7.2/bin/python /usr/bin/python
sudo apt-get remove --purge python-pip
wget --no-check-certificate https://raw.github.com/pypa/pip/master/contrib/get-pip.py
/usr/bin/python get-pip.py

reference: Python 2.7 on Ubuntu