import os import tuned.logs from . import base from tuned.utils.commands import commands class execute(base.Function): """ Executes process and substitutes its output. """ def __init__(self): # unlimited number of arguments, min 1 argument (the name of executable) super(execute, self).__init__("exec", 0, 1) def execute(self, args): if not super(execute, self).execute(args): return None (ret, out) = self._cmd.execute(args) if ret == 0: return out return None