"""Base class for tasks."""
from MiscUtils import AbstractError
"""Abstract base class from which you have to derive your own tasks."""
"""Subclasses should invoke super for this method."""
"""Override this method for you own tasks.
Long running tasks can periodically use the proceed() method to check
if a task should stop.
"""Check whether this task should continue running.
Should be called periodically by long tasks to check if the system
wants them to exit. Returns True if its OK to continue, False if
it's time to quit.
"""Return the task handle.
A task is scheduled by wrapping a handler around it. It knows
everything about the scheduling (periodicity and the like).
Under normal circumstances you should not need the handler,
but if you want to write period modifying run() methods,
it is useful to have access to the handler. Use it with care.
"""Return the unique name under which the task was scheduled."""
def _run(self, handle):
"""This is the actual run method for the Task thread.
It is a private method which should not be overriden.
self._name = handle.name()
self._handle = handle