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      1 #!/usr/bin/env python3
      2 # -*- coding: cp1252 -*-
      3 """       turtle-example-suite:
      4 
      5              tdemo_clock.py
      6 
      7 Enhanced clock-program, showing date
      8 and time
      9   ------------------------------------
     10    Press STOP to exit the program!
     11   ------------------------------------
     12 """
     13 from turtle import *
     14 from datetime import datetime
     15 
     16 def jump(distanz, winkel=0):
     17     penup()
     18     right(winkel)
     19     forward(distanz)
     20     left(winkel)
     21     pendown()
     22 
     23 def hand(laenge, spitze):
     24     fd(laenge*1.15)
     25     rt(90)
     26     fd(spitze/2.0)
     27     lt(120)
     28     fd(spitze)
     29     lt(120)
     30     fd(spitze)
     31     lt(120)
     32     fd(spitze/2.0)
     33 
     34 def make_hand_shape(name, laenge, spitze):
     35     reset()
     36     jump(-laenge*0.15)
     37     begin_poly()
     38     hand(laenge, spitze)
     39     end_poly()
     40     hand_form = get_poly()
     41     register_shape(name, hand_form)
     42 
     43 def clockface(radius):
     44     reset()
     45     pensize(7)
     46     for i in range(60):
     47         jump(radius)
     48         if i % 5 == 0:
     49             fd(25)
     50             jump(-radius-25)
     51         else:
     52             dot(3)
     53             jump(-radius)
     54         rt(6)
     55 
     56 def setup():
     57     global second_hand, minute_hand, hour_hand, writer
     58     mode("logo")
     59     make_hand_shape("second_hand", 125, 25)
     60     make_hand_shape("minute_hand",  130, 25)
     61     make_hand_shape("hour_hand", 90, 25)
     62     clockface(160)
     63     second_hand = Turtle()
     64     second_hand.shape("second_hand")
     65     second_hand.color("gray20", "gray80")
     66     minute_hand = Turtle()
     67     minute_hand.shape("minute_hand")
     68     minute_hand.color("blue1", "red1")
     69     hour_hand = Turtle()
     70     hour_hand.shape("hour_hand")
     71     hour_hand.color("blue3", "red3")
     72     for hand in second_hand, minute_hand, hour_hand:
     73         hand.resizemode("user")
     74         hand.shapesize(1, 1, 3)
     75         hand.speed(0)
     76     ht()
     77     writer = Turtle()
     78     #writer.mode("logo")
     79     writer.ht()
     80     writer.pu()
     81     writer.bk(85)
     82 
     83 def wochentag(t):
     84     wochentag = ["Monday", "Tuesday", "Wednesday",
     85         "Thursday", "Friday", "Saturday", "Sunday"]
     86     return wochentag[t.weekday()]
     87 
     88 def datum(z):
     89     monat = ["Jan.", "Feb.", "Mar.", "Apr.", "May", "June",
     90              "July", "Aug.", "Sep.", "Oct.", "Nov.", "Dec."]
     91     j = z.year
     92     m = monat[z.month - 1]
     93     t = z.day
     94     return "%s %d %d" % (m, t, j)
     95 
     96 def tick():
     97     t = datetime.today()
     98     sekunde = t.second + t.microsecond*0.000001
     99     minute = t.minute + sekunde/60.0
    100     stunde = t.hour + minute/60.0
    101     try:
    102         tracer(False)  # Terminator can occur here
    103         writer.clear()
    104         writer.home()
    105         writer.forward(65)
    106         writer.write(wochentag(t),
    107                      align="center", font=("Courier", 14, "bold"))
    108         writer.back(150)
    109         writer.write(datum(t),
    110                      align="center", font=("Courier", 14, "bold"))
    111         writer.forward(85)
    112         tracer(True)
    113         second_hand.setheading(6*sekunde)  # or here
    114         minute_hand.setheading(6*minute)
    115         hour_hand.setheading(30*stunde)
    116         tracer(True)
    117         ontimer(tick, 100)
    118     except Terminator:
    119         pass  # turtledemo user pressed STOP
    120 
    121 def main():
    122     tracer(False)
    123     setup()
    124     tracer(True)
    125     tick()
    126     return "EVENTLOOP"
    127 
    128 if __name__ == "__main__":
    129     mode("logo")
    130     msg = main()
    131     print(msg)
    132     mainloop()
    133