包括GTK+ runtime,PyGTK, PyCairo 和 PyGObject,只需要32 bit Python interpreter
官方介绍:For greater convenience, you can use the all-in-one installer which handles all of the PyGTK dependencies, development tools (GUI designer and translation tools) and other additional modules for you.
You will only need to install a 32 bit Python interpreter before starting the all-in-one installer.