def __init__(self, controller):
super(ActionManager, self).__init__(controller)
self._actionsAllowed = True
self._type = None
self._target = None
self._toInstall = None
self._toRemove = None
self._notInstallable = None
self._notRemovable = None
self._rejection = False
self._progress_step = None
self._progress_package = None
self._progress_amount = None
self._progress_total = None
self._progress_eta = None
self._progress_speed = None
self._taskMgr = TaskManager(self)
self._taskMgr.taskStarted.connect(self._onTaskStarted)
self._taskMgr.taskDone.connect(self._onTaskDone)
self._model = PackageModel(self, self._taskMgr.daemon)
self._model.actionStarted.connect(self._onActionStarted)
self._model.downloadProgress.connect(self._onDownloadProgress)
self._model.actionStepProgress.connect(self._onActionStepProgress)
self._model.search(PackageModel.DEFAULT_SEARCH)
class ActionManager(QtCore.QObject):
ACTION_REQUEST={
'INSTALL' : 'installPackage',
'UPGRADE' : 'installPackage',
'REMOVE' : 'removePackage',
}
FILTER_MAP={
'category': 'categories',
'pattern': 'patterns',
'sort': 'sort',
'source': 'sources',
'statuses': 'statuses',
}
STATUS_MAP={
'Installed': ['installed'],
'Not installed': ['new'],
'Upgradable': ['upgrade'],
'In progress': ['installing', 'removing'],
}
SORT_MAP={
'Date': 'installtime',
'Name': 'name',
'Size': 'size',
}
def __init__(self, controller):
super(ActionManager, self).__init__(controller)
self._actionsAllowed = True
self._type = None
self._target = None
self._toInstall = None
self._toRemove = None
self._notInstallable = None
self._notRemovable = None
self._rejection = False
self._progress_step = None
self._progress_package = None
self._progress_amount = None
self._progress_total = None
self._progress_eta = None
self._progress_speed = None
self._taskMgr = TaskManager(self)
self._taskMgr.taskStarted.connect(self._onTaskStarted)
self._taskMgr.taskDone.connect(self._onTaskDone)
self._model = PackageModel(self, self._taskMgr.daemon)
self._model.actionStarted.connect(self._onActionStarted)
self._model.downloadProgress.connect(self._onDownloadProgress)
self._model.actionStepProgress.connect(self._onActionStepProgress)
self._model.search(PackageModel.DEFAULT_SEARCH)
def release(self):
self._taskMgr.release()
self._model.release()
@QtCore.Slot(QtCore.QObject)
def search(self, rawData):
filters = {}
value = rawData.property('pattern')
filters[ActionManager.FILTER_MAP['pattern']] = \
[value] if value else []
value = rawData.property('category')
filters[ActionManager.FILTER_MAP['category']] = \
[value] if value else []
value = rawData.property('source')
filters[ActionManager.FILTER_MAP['source']] = \
[value] if value else []
value = rawData.property('status')
value = ActionManager.STATUS_MAP.get(value)
filters[ActionManager.FILTER_MAP['statuses']] = \
value if value else []
value = rawData.property('sort')
value = ActionManager.SORT_MAP.get(value)
sort = (value, rawData.property('sortDirection') == 'up')
searchData = {
'filters': filters,
'sort' : sort
}
self._model.search(searchData)
@QtCore.Slot(QtCore.QObject, result=bool)
def installPackage(self, target):
return self._processActionRequest(target, 'INSTALL')
@QtCore.Slot(QtCore.QObject, result=bool)
def upgradePackage(self, target):
return self._processActionRequest(target, 'UPGRADE')
@QtCore.Slot(QtCore.QObject, result=bool)
def removePackage(self, target):
return self._processActionRequest(target, 'REMOVE')
@QtCore.Slot()
def cancelAction(self):
self._model.cancelAction(self._target.index)
@QtCore.Slot(result=bool)
def executeAction(self):
return self._model.executeAction(self._target.index)
def _processActionRequest(self, target, actionType):
if self._actionsAllowed:
self._type = actionType
self._target = target
request = getattr(self._model, ActionManager.ACTION_REQUEST[actionType])
result = request(target.index)
self._toInstall, self._toRemove = \
[ AcceptedPackageModel(self, pkg) for pkg in result[:2] ]
self._notInstallable, self._notRemovable = \
[ RejectedPackageModel(self, pkg) for pkg in result[2:] ]
self._rejection = self._notInstallable.count + self._notRemovable.count > 0
return not self._rejection
return True
_nfy_data_changed = QtCore.Signal()
@QtCore.Slot(QtCore.QObject, str)
def _onActionStarted(self, package, task_id):
self._model.refreshModel(package.index)
@QtCore.Slot(QtCore.QObject, str, str, str, str, str)
def _onDownloadProgress(self, package, step, task_id, total, eta, speed):
self._setProgressData(package=package, step=step, total=total, eta=eta, speed=speed)
@QtCore.Slot(QtCore.QObject, str, str, str, str)
def _onActionStepProgress(self, package, step, task_id, amount, total):
self._setProgressData(package=package, step=step, amount=amount, total=total)
if package.action_progress == 1.0:
self._model.refreshModel(package.index)
def _setProgressData(self, **data):
self._progress_step = data['step']
self._progress_package = data['package']
self._progress_amount = data.get('amount')
self._progress_total = data['total']
self._progress_eta = data.get('eta')
self._progress_speed = data.get('speed')
self._nfy_progress_changed.emit()
# actionsAllowed is an artificial and temporary mesure
# till mdvpkg treat properly rejection. So, get rid of it
# and those treatments when time comes or make use of a
# customizable sequential configuration parameter.
@QtCore.Slot(str)
def _onTaskStarted(self, task_id):
self.actionsAllowed = False
@QtCore.Slot(str)
def _onTaskDone(self, task_id):
self.actionsAllowed = True
self._model.refreshModel()
# actionsAllowed (used to ensure sequential actions) attribute ------------
def _get_actionsAllowed(self):
return self._actionsAllowed
def _set_actionsAllowed(self, value):
if (self._actionsAllowed != value):
self._actionsAllowed = value
self._nfy_actionsAllowed.emit()
_nfy_actionsAllowed = QtCore.Signal()
actionsAllowed = QtCore.Property(bool, _get_actionsAllowed,
_set_actionsAllowed, notify=_nfy_actionsAllowed)
# model attribute ------------
def _get_model(self):
return self._model
_nfy_model = QtCore.Signal()
model = QtCore.Property(QtCore.QObject, _get_model, notify=_nfy_model)
# taskMgr attribute ------------
def _get_taskMgr(self):
return self._taskMgr
_nfy_taskMgr = QtCore.Signal()
taskMgr = QtCore.Property(QtCore.QObject, _get_taskMgr, notify=_nfy_taskMgr)
# type (Action's type) attribute ------------
def _get_type(self):
return self._type
type = QtCore.Property(str, _get_type, notify=_nfy_data_changed)
# target (Action's target package) attribute ------------
def _get_target(self):
return self._target
target = QtCore.Property(QtCore.QObject, _get_target, notify=_nfy_data_changed)
# toInstall (Packages to be installed with the action) attribute ------------
def _get_toInstall(self):
return self._toInstall
toInstall = QtCore.Property(QtCore.QObject, _get_toInstall, notify=_nfy_data_changed)
# toRemove (Packages to be removed with the action) attribute ------------
def _get_toRemove(self):
return self._toRemove
toRemove = QtCore.Property(QtCore.QObject, _get_toRemove, notify=_nfy_data_changed)
# notInstallable (Packages not installable due to rejection with the action) attribute ------------
def _get_notInstallable(self):
return self._notInstallable
notInstallable = QtCore.Property(QtCore.QObject, _get_notInstallable, notify=_nfy_data_changed)
# notRemovable (Packages not removable due to rejection with the action) attribute ------------
def _get_notRemovable(self):
return self._notRemovable
notRemovable = QtCore.Property(QtCore.QObject, _get_notRemovable, notify=_nfy_data_changed)
# rejection (Indicates if there are rejection for the action) attribute ------------
def _get_rejection(self):
return self._rejection
rejection = QtCore.Property(bool, _get_rejection, notify=_nfy_data_changed)
# progress_step (Gives the current step being being executed for the action) attribute ------------
def _get_progress_step(self):
return self._progress_step
_nfy_progress_changed = QtCore.Signal()
progress_step = QtCore.Property(str, _get_progress_step, notify=_nfy_progress_changed)
# progress_package (Gives the Package being processed for the current step) attribute ------------
def _get_progress_package(self):
return self._progress_package
progress_package = QtCore.Property(QtCore.QObject, _get_progress_package, notify=_nfy_progress_changed)
# progress_amount (Gives the progressed amount of bytes for the current step) attribute ------------
def _get_progress_amount(self):
return self._progress_amount
progress_amount = QtCore.Property(str, _get_progress_amount, notify=_nfy_progress_changed)
# progress_total (Gives the total of bytes for the current step) attribute ------------
def _get_progress_total(self):
return self._progress_total
progress_total = QtCore.Property(str, _get_progress_total, notify=_nfy_progress_changed)
# progress_eta (Gives the 'Estimated Time to Arrive' for current step) attribute ------------
def _get_progress_eta(self):
return self._progress_eta
progress_eta = QtCore.Property(str, _get_progress_eta, notify=_nfy_progress_changed)
# progress_speed (Gives the speed for the current step) attribute ------------
def _get_progress_speed(self):
return self._progress_speed
progress_speed = QtCore.Property(str, _get_progress_speed, notify=_nfy_progress_changed)