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clock.py

@@ -0,0 +1,132 @@
+#!/usr/bin/env python3
+# -*- coding: cp1252 -*-
+"""       turtle-example-suite:
+
+             tdemo_clock.py
+
+Enhanced clock-program, showing date
+and time
+  ------------------------------------
+   Press STOP to exit the program!
+  ------------------------------------
+"""
+from turtle import *
+from datetime import datetime
+
+def jump(distanz, winkel=0):
+    penup()
+    right(winkel)
+    forward(distanz)
+    left(winkel)
+    pendown()
+
+def hand(laenge, spitze):
+    fd(laenge*1.15)
+    rt(90)
+    fd(spitze/2.0)
+    lt(120)
+    fd(spitze)
+    lt(120)
+    fd(spitze)
+    lt(120)
+    fd(spitze/2.0)
+
+def make_hand_shape(name, laenge, spitze):
+    reset()
+    jump(-laenge*0.15)
+    begin_poly()
+    hand(laenge, spitze)
+    end_poly()
+    hand_form = get_poly()
+    register_shape(name, hand_form)
+
+def clockface(radius):
+    reset()
+    pensize(7)
+    for i in range(60):
+        jump(radius)
+        if i % 5 == 0:
+            fd(25)
+            jump(-radius-25)
+        else:
+            dot(3)
+            jump(-radius)
+        rt(6)
+
+def setup():
+    global second_hand, minute_hand, hour_hand, writer
+    mode("logo")
+    make_hand_shape("second_hand", 125, 25)
+    make_hand_shape("minute_hand",  130, 25)
+    make_hand_shape("hour_hand", 90, 25)
+    clockface(160)
+    second_hand = Turtle()
+    second_hand.shape("second_hand")
+    second_hand.color("gray20", "gray80")
+    minute_hand = Turtle()
+    minute_hand.shape("minute_hand")
+    minute_hand.color("blue1", "red1")
+    hour_hand = Turtle()
+    hour_hand.shape("hour_hand")
+    hour_hand.color("blue3", "red3")
+    for hand in second_hand, minute_hand, hour_hand:
+        hand.resizemode("user")
+        hand.shapesize(1, 1, 3)
+        hand.speed(0)
+    ht()
+    writer = Turtle()
+    #writer.mode("logo")
+    writer.ht()
+    writer.pu()
+    writer.bk(85)
+
+def wochentag(t):
+    wochentag = ["Monday", "Tuesday", "Wednesday",
+        "Thursday", "Friday", "Saturday", "Sunday"]
+    return wochentag[t.weekday()]
+
+def datum(z):
+    monat = ["Jan.", "Feb.", "Mar.", "Apr.", "May", "June",
+             "July", "Aug.", "Sep.", "Oct.", "Nov.", "Dec."]
+    j = z.year
+    m = monat[z.month - 1]
+    t = z.day
+    return "%s %d %d" % (m, t, j)
+
+def tick():
+    t = datetime.today()
+    sekunde = t.second + t.microsecond*0.000001
+    minute = t.minute + sekunde/60.0
+    stunde = t.hour + minute/60.0
+    try:
+        tracer(False)  # Terminator can occur here
+        writer.clear()
+        writer.home()
+        writer.forward(65)
+        writer.write(wochentag(t),
+                     align="center", font=("Courier", 14, "bold"))
+        writer.back(150)
+        writer.write(datum(t),
+                     align="center", font=("Courier", 14, "bold"))
+        writer.forward(85)
+        tracer(True)
+        second_hand.setheading(6*sekunde)  # or here
+        minute_hand.setheading(6*minute)
+        hour_hand.setheading(30*stunde)
+        tracer(True)
+        ontimer(tick, 100)
+    except Terminator:
+        pass  # turtledemo user pressed STOP
+
+def main():
+    tracer(False)
+    setup()
+    tracer(True)
+    tick()
+    return "EVENTLOOP"
+
+if __name__ == "__main__":
+    mode("logo")
+    msg = main()
+    print(msg)
+    mainloop()