def _stop(self):
"""
Overridden to call stop on all children
"""
Task._stop(self)
for subtask in self.subtasks:
subtask._stop()
def __init__(self, msg=None):
Task.__init__(self, msg)
self._lock = RLock() # general lock
self._subtask = None # subtask that is parallelized
self._subtask_class = None # class of subtask
self._subtask_args = None # args for initializing subtask
self._subtask_kwargs = None # kwargs for initializing subtask
self.datasource = DataSource(self.datasource)
self.logger = logging.getLogger('root')
def __getattribute__(self, key):
"""
Overridden to lazy instantiate subtask when requested
"""
if key == 'subtask':
if not self.__dict__['subtask']:
subtask = self.__subtask_class(*self.__subtask_args, \
**self.__subtask_kwargs)
self.subtask = subtask
return self.__dict__['subtask']
return Task.__getattribute__(self, key)
def __init__(self, msg='Demo Task'):
Task.__init__(self, msg)
def __init__(self, msg, sequential=True):
Task.__init__(self, msg)
self.subtasks = []
self.sequential = sequential
for task in self.subtasks:
task.parent = self
def __init__(self, msg='Demo Task', *args, **kwargs):
Task.__init__(self, msg)
def __setattr__(self, key, value):
Task.__setattr__(self, key, value)
if key == 'subtask' and value:
value.parent = self
def __init__(self):
self.__pickle_proto = 0
self.__modules = []
self.__objects = {}
Task.__init__(self,"FunctionTask")