svir.thread_worker package¶

Submodules¶

svir.thread_worker.abstract_worker module¶

class svir.thread_worker.abstract_worker.AbstractWorker[source]¶

Bases: PyQt4.QtCore.QObject

Abstract worker, ihnerit from this and implement the work method

error¶

finished¶

kill()[source]¶

progress¶

run()[source]¶

set_message¶

successfully_finished¶

toggle_show_cancel¶

toggle_show_progress¶

work()[source]¶

Reimplement this putting your calculation here available are:

self.progress.emit(0-100) self.killed

:returns a python object - use None if killed is true

svir.thread_worker.abstract_worker.set_worker_message(message, message_bar_item)[source]¶: Set the message bar to display the given message

svir.thread_worker.abstract_worker.start_worker(worker, message_bar, message)[source]¶

Configure the QgsMessageBar with a Cancel button and start the worker in a new thread

Parameters:	worker – the worker to be started message_bar – the message bar to be used to display progress message – a message describing the task to be performed

svir.thread_worker.abstract_worker.toggle_worker_cancel(show_cancel, cancel_button)[source]¶

Show or hide the cancel button

Parameters:	show_cancel (bool) – indicating if the Cancel button has to be shown cancel_button – the button to be shown or hidden

svir.thread_worker.abstract_worker.toggle_worker_progress(show_progress, progress_bar)[source]¶

Set the progress to the given progress bar

Parameters:	show_progress (bool) – if True, a 0 to 100 progress will be displayed; otherwise, an unquantified progress

svir.thread_worker.abstract_worker.worker_error(e, exception_string, message_bar)[source]¶: Notify the user that something went wrong

svir.thread_worker.abstract_worker.worker_finished(result, thread, worker, message_bar, message_bar_item)[source]¶: Cleanup to be executed when the worker has completed its task

svir.thread_worker.download_platform_data_worker module¶

class svir.thread_worker.download_platform_data_worker.DownloadPlatformDataWorker(sv_downloader, sv_variables_ids, load_geometries, country_iso_codes)[source]¶

Bases: svir.thread_worker.abstract_worker.AbstractWorker

Worker, to download data from a platform

Parameters:	sv_downloader – instance of `svir.utilities.import_sv_data.SvDownloader` sv_variables_ids – comma-separated indicator codes to be downloaded load_geometries (bool) – indicating if also zonal geometries have to be downloaded country_iso_codes – comma-separated iso codes of the countries for which we want to download socioeconomic data

work()[source]¶

Returns:	(fname, msg), where fname is the name of the target csv file that will store the downloaded data, and msg is a message describing if the download is performed successfully
Raises:	SvNetworkError