gtkShots 介绍
GTKShots 是一个 python/gtk 程序，用来捕捉屏幕截图，可根据配置自动定时捕获，可设置图像精度等选项。可方便用来制作幻灯片和监控桌面活动等。
使用方法：
usage: pyshots.py [options] options: -h, --help show this help message and exit -f FOLDER, --folder=FOLDER The folder where screenshots should be saved. Default is ~/Desktop/PyScreens -s SIZE, --size=SIZE The resize percentage for the screenshots to save. Default is 100% (no resize) -t FREQUENCY, --frequency=FREQUENCY Snap a screenshot every (the given number of) seconds. Default is 300 (5 minutes) -z STARTTIME, --start-after=STARTTIME Start after a number of seconds. Default is 0, start now -u STOPTIME, --stop-after=STOPTIME Stop after a number of seconds. Default is -1, stop manually -d, --daemon Run as daemon