Updated json communication to change NaNs to nulls. Fixes #1189 (#1190)

src/plugins/GenerateJob/templates/backend_deepforge.py

@@ -72,7 +72,7 @@
  FigureCanvasBase, FigureManagerBase, GraphicsContextBase, RendererBase)
 from matplotlib.figure import Figure
 
-import json
+import simplejson as json
 
 class RendererTemplate(RendererBase):
  """
@@ -187,7 +187,7 @@ def show(block=None):
  interactive versus batch mode
  """
  for manager in Gcf.get_all_fig_managers():
- # do something to display the GUI
+ manager.canvas.send_deepforge_update()
  pass
 
 
@@ -246,7 +246,7 @@ def send_deepforge_update(self):
  state = self.figure_to_state()
  # Probably should do some diff-ing if the state hasn't changed...
  # TODO
- print('deepforge-cmd PLOT ' + json.dumps(state))
+ print('deepforge-cmd PLOT ' + json.dumps(state, ignore_nan=True))
 
  def figure_to_state(self):
  figure = self.figure