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Only create API client when actually used

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This commit is contained in:
ChrisTerBeke 2019-08-13 12:55:54 +02:00
parent 445fb59c12
commit 2a9be0cdfe
1 changed files with 14 additions and 11 deletions
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25
plugins/UM3NetworkPrinting/src/Network/LocalClusterOutputDevice.py
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@ -38,16 +38,13 @@ class LocalClusterOutputDevice(UltimakerNetworkedPrinterOutputDevice):
parent=parent
)
# API client for making requests to the print cluster.
self._cluster_api = ClusterApiClient(address, on_error=lambda error: print(error))
self._cluster_api = None # type: Optional[ClusterApiClient]
# We don't have authentication over local networking, so we're always authenticated.
self.setAuthenticationState(AuthState.Authenticated)
self._setInterfaceElements()
self._active_camera_url = QUrl() # type: QUrl
# Get the printers of this cluster to check if this device is a group host or not.
self._cluster_api.getPrinters(self._updatePrinters)
## Set all the interface elements and texts for this output device.
def _setInterfaceElements(self) -> None:
self.setPriority(3) # Make sure the output device gets selected above local file output
@ -81,11 +78,11 @@ class LocalClusterOutputDevice(UltimakerNetworkedPrinterOutputDevice):
@pyqtSlot(str, name="sendJobToTop")
def sendJobToTop(self, print_job_uuid: str) -> None:
self._cluster_api.movePrintJobToTop(print_job_uuid)
self._getApiClient().movePrintJobToTop(print_job_uuid)
@pyqtSlot(str, name="deleteJobFromQueue")
def deleteJobFromQueue(self, print_job_uuid: str) -> None:
self._cluster_api.deletePrintJob(print_job_uuid)
self._getApiClient().deletePrintJob(print_job_uuid)
@pyqtSlot(str, name="forceSendJob")
def forceSendJob(self, print_job_uuid: str) -> None:
@ -95,12 +92,12 @@ class LocalClusterOutputDevice(UltimakerNetworkedPrinterOutputDevice):
# \param print_job_uuid: The UUID of the print job to set the state for.
# \param action: The action to undertake ('pause', 'resume', 'abort').
def setJobState(self, print_job_uuid: str, action: str) -> None:
self._cluster_api.setPrintJobState(print_job_uuid, action)
self._getApiClient().setPrintJobState(print_job_uuid, action)
def _update(self) -> None:
super()._update()
self._cluster_api.getPrinters(self._updatePrinters)
self._cluster_api.getPrintJobs(self._updatePrintJobs)
self._getApiClient().getPrinters(self._updatePrinters)
self._getApiClient().getPrintJobs(self._updatePrintJobs)
self._updatePrintJobPreviewImages()
## Sync the material profiles in Cura with the printer.
@ -162,4 +159,10 @@ class LocalClusterOutputDevice(UltimakerNetworkedPrinterOutputDevice):
def _updatePrintJobPreviewImages(self):
for print_job in self._print_jobs:
if print_job.getPreviewImage() is None:
self._cluster_api.getPrintJobPreviewImage(print_job.key, print_job.updatePreviewImageData)
self._getApiClient().getPrintJobPreviewImage(print_job.key, print_job.updatePreviewImageData)
## Get the API client instance.
def _getApiClient(self) -> ClusterApiClient:
if not self._cluster_api:
self._cluster_api = ClusterApiClient(self.address, on_error=lambda error: print(error))
return self._cluster_api