HuangJiaLian

# Play beats in Tkinter
tempo = 120
time_signature = time_signatures[ts_mode.get()][-1]
interval_ms = int((60/tempo) * (4/time_signature[-1]) * 1000)

def play():
    strong_beat.play()
    window.after(interval_ms, play)

window.after(interval_ms, play)

HuangJiaLian

# When time signature mode changes
def update_time_signature(*args):
    global temp, time_signature, count, interval_ms
    time_signature = time_signatures[ts_mode.get()][-1]
    interval_ms = int((60/tempo) * (4/time_signature[-1]) * 1000)
    count = 0
ts_mode.trace('w', update_time_signature)

# Time signature selection implementation
time_signature = time_signatures[ts_mode.get()][-1]

HuangJiaLian

# When scale changes 
def update_interval(*args):
    global scale_var, time_signature, interval_ms, tempo
    tempo = scale_var.get()
    interval_ms = int((60/tempo) * (4/time_signature[-1]) * 1000)

scale_var = tk.IntVar(midFrame)

# Use a scale to show the tempo range
scale = tk.Scale(midFrame,

HuangJiaLian

# Variable for the scale value
scale_var = tk.IntVar(midFrame)

# When scale changes 
def update(*args):
    global scale_var, time_signature, interval_ms, tempo
    tempo = scale_var.get()
    interval_ms = int((60/tempo) * (4/time_signature[-1]) * 1000)

# Use a scale to show the tempo range

HuangJiaLian

# Function to determine the tempo markings
def tempo_marking_of(tempo):
    for key in markings.keys():
        if tempo >= markings[key][0] and tempo <= markings[key][1]:
            marking = key
            break
        else:
            marking = ''
    return marking

HuangJiaLian

def play():
    global count, time_signature, count_label
    count += 1
    count_label['text'] = '{}'.format(count)

HuangJiaLian

ON = True
def play():
    global count, time_signature, count_label, ON
    if ON:
        count += 1
        count_label['text'] = '{}'.format(count)
        if time_signature[0] == -1:
            strong_beat.play()
        else:
            if count == 1:

HuangJiaLian

time_list = []
def tap_estimate():
    global time_list, scale
    time_list.append(time.time())
    list_len = len(time_list)
    N = 6
    if list_len > 1:
        # If two time far away from each other 
        # throw away the former times, only left the last one
        if time_list[-1] - time_list[-2] > 2:

HuangJiaLian

def key_pressed(event):
    global ON 
    if event.char == ' ':
        ON = not ON
    elif event.char == 't':
        tap_estimate()
    elif event.char == 'q':
        exit()

HuangJiaLian

def arrow_down(event):
    global tempo, scale, tempo_range
    if tempo -1 >= tempo_range[0]:
        tempo -= 1
    scale.set(tempo)

def arrow_up(event):
    global tempo, scale, tempo_range
    if tempo +1 <= tempo_range[-1]:
        tempo += 1