def fetch_plugin(self):
"""Downloads the plugin"""
url_dict = self.get_configured_url()
busy_dlg = dialogs.progressDialog(dlg_title="Retrieving Archive",
dlg_msg="Please wait, retrieving archive...")
exception_queue = Queue.Queue()
fetch_plugin_thd = workerthread.WorkerThread(exception_queue=exception_queue,
target=self.model.get_plugin,
args=(url_dict,))
fetch_plugin_thd.start()
while True:
fetch_plugin_thd.join(0.125)
busy_dlg.update()
if not fetch_plugin_thd.is_alive():
busy_dlg.close()
try:
exc_type, exc = exception_queue.get(block=False)
err_str = str(exc)
if len(err_str) == 0:
err_str = exc_type.__name__
module_logger.error("Unable to read archive: {0}".format(err_str))
err_msg = "An error occurred while reading the archive:\n{0}".format(err_str)
err_dlg = wx.MessageDialog(self.view, message=err_msg,
caption="Unable To Read Archive",
style=wx.ICON_ERROR)
err_dlg.ShowModal()
except Queue.Empty:
pass
break
wx.GetApp().Yield()
def run_model(self, model_instance):
"""Runs the specified POD Model instance in a separate thread."""
exception_queue = Queue.Queue()
model_thd = workerthread.WorkerThread(exception_queue=exception_queue,
target=model_instance.run)
model_thd.start()
progress_dlg = dialogs.progressDialog(dlg_title="Running POD Model",
dlg_msg="Please wait, running POD Model...")
while True:
model_thd.join(0.125)
progress_dlg.update()
if not model_thd.is_alive():
try:
exc_type, exc = exception_queue.get(block=False)
err_str = str(exc)
if len(err_str) == 0:
err_str = exc_type.__name__
module_logger.error("Unable to run POD Model: {0}".format(err_str))
err_msg = "An error occurred while running the POD Model:\n{0}".format(err_str)
err_dlg = wx.MessageDialog(self.view.parent, message=err_msg,
caption="Error In POD Model Execution",
style=wx.ICON_ERROR)
err_dlg.ShowModal()
err_dlg.Destroy()
return
except Queue.Empty:
# No errors occurred, continue processing
model_instance.plot1(self.view.axes1)
model_instance.plot2(self.view.axes2)
if model_instance.data is not None: # Model returned data to display
try:
self.populate_spreadsheet(self.view.output_grid, model_instance.data)
self.view.spreadsheet_nb.ChangeSelection(self.view.output_sheet_page)
except MemoryError: # File too large to load
module_logger.error("Unable to preview data, file too large to fit in memory.")
err_msg = "The file is too large to load."
err_dlg = wx.MessageDialog(self.view, message=err_msg,
caption="Unable To Preview Data",
style=wx.ICON_ERROR)
err_dlg.ShowModal()
err_dlg.Destroy()
if model_instance.results is not None: # Model return output text to display
self.view.txtoutput_tc.WriteText(model_instance.results)
self.refresh_plots()
break
finally:
progress_dlg.close()
wx.GetApp().Yield(True)
def on_about_plugin(self, evt):
"""Handles the request to retrieve info about the plugin"""
busy_dlg = dialogs.progressDialog(dlg_title="Retrieving Archive",
dlg_msg="Please wait, retrieving archive...")
try:
self.fetch_plugin()
readme = self.model.get_readme(self.get_configured_url())
text_display_dlg = dialogs.TextDisplayDialog(parent=self.view, text=readme,
title='README',
style=wx.DEFAULT_DIALOG_STYLE | wx.RESIZE_BORDER)
text_display_dlg.Show()
except Exception as err:
module_logger.error("Failed to retrieve plugin README: {0}".format(err))
err_msg = "{0}".format(err)
if err_msg == "":
err_msg = "An error occurred attempting to retrieve the archive's README file."
err_dlg = wx.MessageDialog(self.view, message=err_msg,
caption="Unable To Retrieve README", style=wx.ICON_ERROR)
err_dlg.ShowModal()
err_dlg.Destroy()
finally:
busy_dlg.close()
