i have big problem ".py hacks"

hello epvp

i have a privet server online

i am use an offical clint 2013

i have big problem too many players use python hacks

for warping or kill monster or ...........

i try some way's to protect my clint but all way's is fall

can somebody help me to stop .py hacks working ??

these player is using it's make to me a big problem

i need help :(

Just modify execfile, __import__ and the file open func:
Make a whitelist, which files can be loaded and which not, you also need to count how often a file can be loaded.

like python loader ??

like a python loader ?