Template for updating a bokeh loop with data to plot.

UI_loop_template.py

class Data(object):
    def __init__(self, source_file):
        self.source = source_file
        self.routes = None
                
    def update(self):
        self.routes = self.calculate()
        return self.routes

    def calculate(self):
        """ Run and find the best routes and store them
        """
        pass

    
class PlotLoop(object):
    def __init__(self):
        self.data = Data('data_source_file')
        self.update()

    def init_plot(self):
        """ Initialize the plot with data from self.data
        """
        plot(self.data.routes)

    def update(self):
        self.data.update()
        self.init_plot()


loop = PlotLoop()
curdoc().add_periodic_callback(loop.update, 100)