notify.py 文件源码

def __call__(self, *args, **kwargs):
        if self.nc_match:
            # Prevent malformed match functions from derailing the entire
            # notification process
            try:
                match = self.nc_match(*args, **kwargs)
            except:
                print >>sys.stderr, 'Exception in match function for notification %s:' % (repr(self.nc_func),)
                traceback.print_exception(*sys.exc_info())

                # Treat an exception in the function as a negative response
                match = False

            if not match:
                return None
        return self.nc_func(*args, **kwargs)