def load_session():
'''
load a previously saved session
'''
if curdoc().select_one({"name": "session_input"}).value == "":
curdoc().select_one({
"name": "status_div"
}).text = 'You need to select a previous session first'
return
select_session = curdoc().select_one({"name": "session_input"}).value
json_string = np.load(os.path.join(save_path, select_session)).item()
new_doc = Document.from_json_string(json_string)
new_grid_models = collect_models(new_doc.roots[0])
for elem in new_grid_models:
try:
elem.document = curdoc()
except AttributeError:
elem._document = curdoc()
new_children = new_doc.roots[0].children
del grid.children
grid.children = new_children
# re-attribute the python callbacks to the widgets
curdoc().select_one({"name": "do_stuff_button"}).on_click(do_stuff)
curdoc().select_one({"name": "save_button"}).on_click(save_session)
curdoc().select_one({"name": "clear_button"}).on_click(clear_fig)
curdoc().select_one({"name": "load_button"}).on_click(load_session)
# do custom stuff for the update
curdoc().select_one({
"name": "session_input"
}).options = [''] + os.listdir(save_path)
curdoc().select_one({"name": "session_input"}).value = select_session
def test_structure(pd):
f = figure(width=400, height=400)
f.line(x=[1, 2, 3], y=[1, 2, 3])
K = generate_structure_plot(f)
assert 43 == len(collect_models(K))