from tkinter import *
import time
class StopWatch(Frame):
""" Implements a stop watch frame widget. """
def __init__(self, parent=None, **kw):
Frame.__init__(self, parent, kw)
self._start = 0.0
self._elapsedtime = 0.0
self._running = 0
self.timestr = StringVar()
self.lapstr = StringVar()
self.makeWidgets()
self.laps = [0]
self.lapmod2 = 0
self.today = time.strftime("%d %b %Y %H-%M-%S", time.localtime())
def makeWidgets(self):
""" Make the time label. """
l = Label(self, textvariable=self.timestr)
self._setTime(self._elapsedtime)
l.pack(fill=X, expand=NO, pady=2, padx=2)
def _update(self):
""" Update the label with elapsed time. """
self._elapsedtime = time.time() - self._start
self._setTime(self._elapsedtime)
self._timer = self.after(50, self._update)
def _setTime(self, elap):
""" Set the time string to Minutes:Seconds:Hundreths """
minutes = int(elap/60)
seconds = int(elap - minutes*60.0)
hseconds = int((elap - minutes*60.0 - seconds)*100)
self.timestr.set('%02d:%02d:%02d' % (minutes, seconds, hseconds))
def _setLapTime(self, elap):
""" Returns lap time in minutes and seconds """
minutes = int(elap/60)
seconds = int(elap - minutes*60.0)
hseconds = int((elap - minutes*60.0 - seconds)*100)
return '%02d:%02d' % (minutes, seconds)
def Start(self):
""" Start the stopwatch, ignore if running. """
if not self._running:
self._start = time.time() - self._elapsedtime
self._update()
self._running = 1
def Stop(self):
""" Stop the stopwatch, ignore if stopped. """
if self._running:
self.after_cancel(self._timer)
self._elapsedtime = time.time() - self._start
self._setTime(self._elapsedtime)
self._running = 0
def Reset(self):
""" Reset the stopwatch. """
self._start = time.time()
self._elapsedtime = 0.0
self._setTime(self._elapsedtime)
def Lap(self):
'''Makes a lap, only if started'''
tempo = self._elapsedtime - self.lapmod2
if self._running:
self.laps.append(self._setLapTime(tempo))
print (self.laps)
self.lapmod2 = self._elapsedtime
def GravaCSV(self):
'''Pega nome do cronometro e cria arquivo para guardar as laps'''
'''arquivo = raw_input('Qual o nome do arquivo para guardar as laps?')'''
with open(str(self.today) + '.txt', 'wb') as lapfile:
for lap in self.laps:
lapfile.write((bytes(str(lap) + '\n', 'utf-8')))
def main():
root = Tk()
sw = StopWatch(root)
sw.pack(side=TOP)
Button(root, text='Lap', command=sw.Lap).pack(side=LEFT)
Button(root, text='Start', command=sw.Start).pack(side=LEFT)
Button(root, text='Stop', command=sw.Stop).pack(side=LEFT)
Button(root, text='Reset', command=sw.Reset).pack(side=LEFT)
Button(root, text='Save', command=sw.GravaCSV).pack(side=LEFT)
Button(root, text='Quit', command=root.quit).pack(side=LEFT)
root.mainloop()
if __name__ == '__main__':
main()
