#To define a particular parameter, replace the 'parameterName' inside itsm.getParameter('parameterName') with that parameter's name
folder=r"C:\test"
user="comodo2"
command=r'icacls '+folder+" /deny "+user+":(OI)(CI)(DE,DC)"
print command

import subprocess
import ctypes

class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))
    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)

with disable_file_system_redirection():
    process=subprocess.Popen(command, shell=True, stdout=subprocess.PIPE,stderr=subprocess.PIPE)
result,err=process.communicate()
if err:
	print err
else:
	print result