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c124577ebe
Rewriting the day and date every tick somehow prevented them from being removed either by clicking STOP or loading another example. The solution is to rewrite them only when they change.
137 lines
3.2 KiB
Python
137 lines
3.2 KiB
Python
""" turtle-example-suite:
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turtledemo/clock.py
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Enhanced clock-program, showing date
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and time
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------------------------------------
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Press STOP to exit the program!
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------------------------------------
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"""
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from turtle import *
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from datetime import datetime
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dtfont = "TkFixedFont", 14, "bold"
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current_day = None
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def jump(distanz, winkel=0):
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penup()
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right(winkel)
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forward(distanz)
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left(winkel)
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pendown()
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def hand(laenge, spitze):
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fd(laenge*1.15)
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rt(90)
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fd(spitze/2.0)
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lt(120)
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fd(spitze)
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lt(120)
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fd(spitze)
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lt(120)
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fd(spitze/2.0)
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def make_hand_shape(name, laenge, spitze):
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reset()
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jump(-laenge*0.15)
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begin_poly()
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hand(laenge, spitze)
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end_poly()
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hand_form = get_poly()
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register_shape(name, hand_form)
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def clockface(radius):
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reset()
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pensize(7)
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for i in range(60):
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jump(radius)
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if i % 5 == 0:
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fd(25)
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jump(-radius-25)
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else:
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dot(3)
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jump(-radius)
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rt(6)
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def display_date_time():
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global current_day
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writer.clear()
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now = datetime.now()
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current_day = now.day
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writer.home()
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writer.forward(distance=65)
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writer.write(wochentag(now), align="center", font=dtfont)
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writer.back(distance=150)
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writer.write(datum(now), align="center", font=dtfont)
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writer.forward(distance=85)
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def setup():
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global second_hand, minute_hand, hour_hand, writer
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mode("logo")
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make_hand_shape("second_hand", 125, 25)
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make_hand_shape("minute_hand", 115, 25)
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make_hand_shape("hour_hand", 90, 25)
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clockface(160)
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second_hand = Turtle()
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second_hand.shape("second_hand")
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second_hand.color("gray20", "gray80")
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minute_hand = Turtle()
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minute_hand.shape("minute_hand")
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minute_hand.color("blue1", "red1")
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hour_hand = Turtle()
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hour_hand.shape("hour_hand")
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hour_hand.color("blue3", "red3")
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for hand in second_hand, minute_hand, hour_hand:
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hand.resizemode("user")
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hand.shapesize(1, 1, 3)
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hand.speed(0)
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ht()
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writer = Turtle()
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writer.ht()
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writer.pu()
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writer.bk(85)
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display_date_time()
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def wochentag(t):
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wochentag = ["Monday", "Tuesday", "Wednesday",
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"Thursday", "Friday", "Saturday", "Sunday"]
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return wochentag[t.weekday()]
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def datum(z):
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monat = ["Jan.", "Feb.", "Mar.", "Apr.", "May", "June",
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"July", "Aug.", "Sep.", "Oct.", "Nov.", "Dec."]
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j = z.year
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m = monat[z.month - 1]
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t = z.day
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return "%s %d %d" % (m, t, j)
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def tick():
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t = datetime.today()
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sekunde = t.second + t.microsecond*0.000001
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minute = t.minute + sekunde/60.0
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stunde = t.hour + minute/60.0
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try:
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tracer(False) # Terminator can occur here
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second_hand.setheading(6*sekunde) # or here
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minute_hand.setheading(6*minute)
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hour_hand.setheading(30*stunde)
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if t.day != current_day:
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display_date_time()
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tracer(True)
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ontimer(tick, 100)
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except Terminator:
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pass # turtledemo user pressed STOP
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def main():
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tracer(False)
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setup()
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tracer(True)
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tick()
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return "EVENTLOOP"
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if __name__ == "__main__":
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mode("logo")
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msg = main()
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print(msg)
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mainloop()
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