Pause a pauser once, unpause it if necessary.

Method __init__ Create a OncePause with the given Pauser.
Method pauseOnce If this OncePause is not currently paused, pause its pauser.
Method maybeUnpause If this OncePause is currently paused, unpause it.
def __init__(self, pauser):

Create a OncePause with the given Pauser.

def pauseOnce(self):

If this OncePause is not currently paused, pause its pauser.

def maybeUnpause(self):

If this OncePause is currently paused, unpause it.

API Documentation for tubes, generated by pydoctor at 2016-01-18 07:46:47.