1.首先安裝homebrew，通過在終端中執行如下的命令：

ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go/install)" 

2.接著安裝python

brew install python

3.通過編輯edit ~/.profile檔案把python加入環境變數

export PATH=/usr/local/bin:$PATH
export PYTHONPATH=/usr/local/lib/python:$PYTHONPATH

brew install qt --HEAD

5.接著安裝pyqt4，執行如下命令

brew install pyqt

5.接下來執行最後兩步：

mkdir -p /Users/zgf/Library/Python/2.7/lib/python/site-packages

echo 'import site; site.addsitedir("/usr/local/lib/python2.7/site-packages")' >> /Users/zgf/Library/Python/2.7/lib/python/site-packages/homebrew.pth

Done.:)