BrewPiProcess.py 文件源码

def update(self):
        """
        Update the list of BrewPi processes by receiving them from the system with psutil.
        Returns: list of BrewPiProcess objects
        """
        bpList = []
        matching = []

        # some OS's (OS X) do not allow processes to read info from other processes. 
        try:
            matching = [p for p in psutil.process_iter() if any('python' in p.name() and 'brewpi.py'in s for s in p.cmdline())]
        except psutil.AccessDenied:
            pass
        except psutil.ZombieProcess:
            pass

        for p in matching:
            bp = self.parseProcess(p)
            if bp:
                bpList.append(bp)
        self.list = bpList
        return self.list