def __init__(self, parameters):
"""
Instantiates a new backend. Please note that this is called also
for disabled backends. Those are not initialized, so you might
want to check out the initialize() function.
"""
if self.KEY_DEFAULT_BACKEND not in parameters:
# if it's not specified, then this is the default backend
#(for retro-compatibility with the GTG 0.2 series)
parameters[self.KEY_DEFAULT_BACKEND] = True
# default backends should get all the tasks
if parameters[self.KEY_DEFAULT_BACKEND] or \
(not self.KEY_ATTACHED_TAGS in parameters and
self._general_description[self.BACKEND_TYPE]
== self.TYPE_READWRITE):
parameters[self.KEY_ATTACHED_TAGS] = [self.ALLTASKS_TAG]
self._parameters = parameters
self._signal_manager = BackendSignals()
self._is_initialized = False
# if debugging mode is enabled, tasks should be saved as soon as
# they're marked as modified. If in normal mode, we prefer speed over
# easier debugging.
if Log.is_debugging_mode():
self.timer_timestep = 5
else:
self.timer_timestep = 1
self.to_set_timer = None
self.please_quit = False
self.cancellation_point = lambda: _cancellation_point(lambda: self.
please_quit)
self.to_set = deque()
self.to_remove = deque()
def __init__(self, parameters):
"""
Instantiates a new backend. Please note that this is called also
for disabled backends. Those are not initialized, so you might
want to check out the initialize() function.
"""
if self.KEY_DEFAULT_BACKEND not in parameters:
# if it's not specified, then this is the default backend
#(for retro-compatibility with the GTG 0.2 series)
parameters[self.KEY_DEFAULT_BACKEND] = True
# default backends should get all the tasks
if parameters[self.KEY_DEFAULT_BACKEND] or \
(not self.KEY_ATTACHED_TAGS in parameters and
self._general_description[self.BACKEND_TYPE]
== self.TYPE_READWRITE):
parameters[self.KEY_ATTACHED_TAGS] = [self.ALLTASKS_TAG]
self._parameters = parameters
self._signal_manager = BackendSignals()
self._is_initialized = False
# if debugging mode is enabled, tasks should be saved as soon as
# they're marked as modified. If in normal mode, we prefer speed over
# easier debugging.
if Log.is_debugging_mode():
self.timer_timestep = 5
else:
self.timer_timestep = 1
self.to_set_timer = None
self.please_quit = False
self.cancellation_point = lambda: _cancellation_point(
lambda: self.please_quit)
self.to_set = deque()
self.to_remove = deque()
def __init__(self, requester, backend, datastore):
"""
Instantiates a TaskSource object.
@param requester: a Requester
@param backend: the backend being wrapped
@param datastore: a FilteredDatastore
"""
self.backend = backend
self.req = requester
self.backend.register_datastore(datastore)
self.tasktree = datastore.get_tasks_tree().get_main_view()
self.to_set = deque()
self.to_remove = deque()
self.please_quit = False
self.task_filter = self.get_task_filter_for_backend()
if Log.is_debugging_mode():
self.timer_timestep = 5
else:
self.timer_timestep = 1
self.set_task_handle = None
self.remove_task_handle = None
self.to_set_timer = None
def __init__(self, requester, backend, datastore):
"""
Instantiates a TaskSource object.
@param requester: a Requester
@param backend: the backend being wrapped
@param datastore: a FilteredDatastore
"""
self.backend = backend
self.req = requester
self.backend.register_datastore(datastore)
self.tasktree = datastore.get_tasks_tree().get_main_view()
self.to_set = deque()
self.to_remove = deque()
self.please_quit = False
self.task_filter = self.get_task_filter_for_backend()
if Log.is_debugging_mode():
self.timer_timestep = 5
else:
self.timer_timestep = 1
self.add_task_handle = None
self.set_task_handle = None
self.remove_task_handle = None
self.to_set_timer = None
