def test_tkinter_schedule_action(self):
scheduler = TkinterScheduler(root)
ran = [False]
def action(scheduler, state):
ran[0] = True
scheduler.schedule(action)
def done():
assert ran[0] == True
root.quit()
root.after_idle(done)
root.mainloop()
def test_tkinter_schedule_action_cancel(self):
ran = [False]
scheduler = TkinterScheduler(root)
def action(scheduler, state):
ran[0] = True
d = scheduler.schedule_relative(0.1, action)
d.dispose()
def done():
root.quit()
assert (not ran[0])
root.after(300, done)
root.mainloop()
def test_tkinter_schedule_action(self):
scheduler = TkinterScheduler(root)
ran = False
def action(scheduler, state):
nonlocal ran
ran = True
scheduler.schedule(action)
def done():
assert ran is True
root.quit()
root.after_idle(done)
root.mainloop()
def test_tkinter_schedule_action_due(self):
scheduler = TkinterScheduler(root)
starttime = datetime.utcnow()
endtime = [None]
def action(scheduler, state):
endtime[0] = datetime.utcnow()
scheduler.schedule_relative(0.2, action)
def done():
root.quit()
diff = endtime[0] - starttime
assert diff > timedelta(milliseconds=180)
root.after(300, done)
root.mainloop()
def test_tkinter_schedule_action_periodic(self):
scheduler = TkinterScheduler(root)
period = 0.050
counter = [3]
def action(state):
if state:
counter[0] -= 1
return state - 1
scheduler.schedule_periodic(period, action, counter[0])
def done():
root.quit()
assert counter[0] == 0
root.after(300, done)
root.mainloop()
def test_tkinter_schedule_action_due(self):
scheduler = TkinterScheduler(root)
starttime = default_now()
endtime = None
def action(scheduler, state):
nonlocal endtime
endtime = default_now()
scheduler.schedule_relative(0.2, action)
def done():
root.quit()
assert endtime is not None
diff = endtime - starttime
assert diff > timedelta(milliseconds=180)
root.after(300, done)
root.mainloop()
def main():
root = Tk()
root.title("Rx for Python rocks")
scheduler = TkinterScheduler(root)
mousemove = Subject()
frame = Frame(root, width=600, height=600)
frame.bind("<Motion>", mousemove.on_next)
text = 'TIME FLIES LIKE AN ARROW'
def on_next(info):
label, ev, i = info
label.place(x=ev.x + i*12 + 15, y=ev.y)
def handle_label(label, i):
label.config(dict(borderwidth=0, padx=0, pady=0))
mapper = ops.map(lambda ev: (label, ev, i))
delayer = ops.delay(i*0.1)
return mousemove.pipe(
delayer,
mapper
)
labeler = ops.flat_map_indexed(handle_label)
mapper = ops.map(lambda c: Label(frame, text=c))
rx.from_(text).pipe(
mapper,
labeler
).subscribe(on_next, on_error=print, scheduler=scheduler)
frame.pack()
root.mainloop()
def test_tkinter_schedule_now(self):
scheduler = TkinterScheduler(root)
res = scheduler.now - datetime.utcnow()
assert res < timedelta(seconds=1)
def test_qt_schedule_now_units(self):
scheduler = TkinterScheduler(root)
diff = scheduler.now
sleep(0.1)
diff = scheduler.now - diff
assert timedelta(milliseconds=80) < diff < timedelta(milliseconds=180)
def test_tkinter_schedule_now(self):
scheduler = TkinterScheduler(root)
res = scheduler.now - default_now()
assert abs(res) < timedelta(milliseconds=1)