keysona

## gist:b8675c0597271ff649f0
TIME_ZONE = 'Asia/Hong_Kong'

## gist:f39f2a02bcea42bf77a0
jpg会失真，想要好看点就保存为png
pillow save()函数有一个可选参数quality = 95
可参考下下这篇文章: http://saepy.sinaapp.com/topic/66/%E5%9C%A8sae-python%E4%B8%8A%E4%BD%BF%E7%94%A8pil-image-%E8%8E%B7%E5%8F%96%E8%BE%83%E9%AB%98%E8%B4%A8%E9%87%8F%E5%9B%BE%E7%89%87%E7%9A%84%E6%96%B9%E6%B3%95

## gist:a1a54903021ff53bb2b6
$ sudo apt-get install imagemagick
	jpg会失真，想要好看点就保存为png
	pillow save()函数有一个可选参数quality = 95
	可参考下下这篇文章: http://saepy.sinaapp.com/topic/66/%E5%9C%A8sae-python%E4%B8%8A%E4%BD%BF%E7%94%A8pil-image-%E8%8E%B7%E5%8F%96%E8%BE%83%E9%AB%98%E8%B4%A8%E9%87%8F%E5%9B%BE%E7%89%87%E7%9A%84%E6%96%B9%E6%B3%95