def _statusCallback(self, reply: QNetworkReply, error: QNetworkReply.NetworkError = None):
url = reply.request().url().toString()
prev_statuses = self._statuses.copy()
self._statuses[url] = HttpRequestManager.replyIndicatesSuccess(reply, error)
if any(self._statuses.values()) != any(prev_statuses.values()):
self.internetReachableChanged.emit()
def _uploadFinishedCallback(self,
reply: QNetworkReply,
error: QNetworkReply.NetworkError = None):
if not HttpRequestManager.replyIndicatesSuccess(reply, error):
Logger.log("w", "Could not upload backup file: %s",
HttpRequestManager.readText(reply))
self.backup_upload_error_message = self.DEFAULT_UPLOAD_ERROR_MESSAGE
self._job_done.set()
def _onRestoreRequestCompleted(
self,
reply: QNetworkReply,
error: Optional["QNetworkReply.NetworkError"] = None) -> None:
if not HttpRequestManager.replyIndicatesSuccess(reply, error):
Logger.warning(
"Requesting backup failed, response code %s while trying to connect to %s",
reply.attribute(QNetworkRequest.HttpStatusCodeAttribute),
reply.url())
self.restore_backup_error_message = self.DEFAULT_ERROR_MESSAGE
self._job_done.set()
return
# We store the file in a temporary path fist to ensure integrity.
temporary_backup_file = NamedTemporaryFile(delete=False)
with open(temporary_backup_file.name, "wb") as write_backup:
app = CuraApplication.getInstance()
bytes_read = reply.read(self.DISK_WRITE_BUFFER_SIZE)
while bytes_read:
write_backup.write(bytes_read)
bytes_read = reply.read(self.DISK_WRITE_BUFFER_SIZE)
app.processEvents()
if not self._verifyMd5Hash(temporary_backup_file.name,
self._backup.get("md5_hash", "")):
# Don't restore the backup if the MD5 hashes do not match.
# This can happen if the download was interrupted.
Logger.log(
"w",
"Remote and local MD5 hashes do not match, not restoring backup."
)
self.restore_backup_error_message = self.DEFAULT_ERROR_MESSAGE
# Tell Cura to place the backup back in the user data folder.
with open(temporary_backup_file.name, "rb") as read_backup:
cura_api = CuraApplication.getInstance().getCuraAPI()
cura_api.backups.restoreBackup(read_backup.read(),
self._backup.get("metadata", {}))
self._job_done.set()
def _onDeleteRequestCompleted(
reply: QNetworkReply,
callable: Callable[[bool], None],
error: Optional["QNetworkReply.NetworkError"] = None) -> None:
callable(HttpRequestManager.replyIndicatesSuccess(reply, error))
def _onImageLoaded(self, reply: QNetworkReply, error: Optional["QNetworkReply.NetworkError"] = None) -> None:
if not HttpRequestManager.replyIndicatesSuccess(reply, error):
Logger.warning("Requesting preview image failed, response code {0} while trying to connect to {1}".format(
reply.attribute(QNetworkRequest.HttpStatusCodeAttribute), reply.url()))
return
self.updatePreviewImageData(reply.readAll())