有没有办法使用PyDev在Python中设置变量访问的断点？

I have a global variable (I know) that is being changed from a good value to a bad value somewhere. I don't know where, and I'd like to find out where. I would like my debugger (Eclipse/PyDev) to break any time any code writes to this global variable, something akin to hardware breakpoints in OllyDBG. I have a global variable (I know) that is being