""" This module defines a number of utilities that are useful for executing command-line commands. The main class is the CommandExecutor, which defines the method execute(command,arg_spec,stdout,stderr,stdin,kwargs**). """ import os,sys,re from subprocess import Popen,PIPE from logging import Logger logger = Logger(__name__) logger.disabled = True #Keep the logging off by default class CommandError(Exception): def __init__(self,msg): self.msg = msg def __str__(self): return self.msg class ICommandExecutor: """ An interface for an object that may execute commands. :Author: Matt Hollingsworth :Date: 8-6-2008 """ def execute(self,command_to_execute,arg_spec,stdout,stderr,stdin,**kwargs):