import sys
from os.path import join
from distutils.sysconfig import get_python_lib
from site import addsitedir

root = sys.argv.pop(1)
site_packages = get_python_lib()

_path = sys.path[:]
sys.path[:] = []
addsitedir(join(root, site_packages[1:]))
sys.path.extend(_path)

from twisted.scripts.trial import run
run()