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?? AttrDialog.py(14 KB)
?? AttrDialog.pyc(18.33 KB)
?? AttrDialog.pyo(18.33 KB)
?? ManPage.py(6.7 KB)
?? ManPage.pyc(6.27 KB)
?? ManPage.pyo(6.27 KB)
?? MimeViewer.py(4.39 KB)
?? MimeViewer.pyc(4.83 KB)
?? MimeViewer.pyo(4.83 KB)
?? ShellWindow.py(4.07 KB)
?? ShellWindow.pyc(5.47 KB)
?? ShellWindow.pyo(5.47 KB)
?? brownian.py(1.07 KB)
?? brownian.pyc(1.59 KB)
?? brownian.pyo(1.59 KB)
?? brownian2.py(1.35 KB)
?? brownian2.pyc(1.74 KB)
?? brownian2.pyo(1.74 KB)
?? canvasevents.py(6.45 KB)
?? canvasevents.pyc(10.46 KB)
?? canvasevents.pyo(10.46 KB)
?? dialog.py(3.13 KB)
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?? electrons.py(2.27 KB)
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?? hanoi.py(4.54 KB)
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?? hanoi.pyo(3.82 KB)
?? hello.py(331 B)
?? hello.pyc(701 B)
?? hello.pyo(701 B)
?? imagedraw.py(509 B)
?? imagedraw.pyc(1.13 KB)
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?? imageview.py(205 B)
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?? listtree.py(991 B)
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?? mbox.py(7.3 KB)
?? mbox.pyc(8.17 KB)
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?? newmenubardemo.py(1.2 KB)
?? newmenubardemo.pyc(1.59 KB)
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?? optionmenu.py(441 B)
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?? paint.py(1.85 KB)
?? paint.pyc(2.19 KB)
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?? rmt.py(4.39 KB)
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?? solitaire.py(17.37 KB)
?? solitaire.pyc(20.41 KB)
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?? sortvisu.py(18.89 KB)
?? sortvisu.pyc(23.18 KB)
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?? ss1.py(25.57 KB)
?? ss1.pyc(31.67 KB)
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?? svkill.py(4.75 KB)
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?? switch.py(1.52 KB)
?? switch.pyc(2.85 KB)
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?? tkman.py(8.79 KB)
?? tkman.pyc(8.88 KB)
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?? wish.py(623 B)
?? wish.pyc(737 B)
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Editing: brownian.py

# Brownian motion -- an example of a multi-threaded Tkinter program.

from Tkinter import *
import random
import threading
import time
import sys

WIDTH = 400
HEIGHT = 300
SIGMA = 10
BUZZ = 2
RADIUS = 2
LAMBDA = 10
FILL = 'red'

stop = 0                                # Set when main loop exits

def particle(canvas):
    r = RADIUS
    x = random.gauss(WIDTH/2.0, SIGMA)
    y = random.gauss(HEIGHT/2.0, SIGMA)
    p = canvas.create_oval(x-r, y-r, x+r, y+r, fill=FILL)
    while not stop:
        dx = random.gauss(0, BUZZ)
        dy = random.gauss(0, BUZZ)
        dt = random.expovariate(LAMBDA)
        try:
            canvas.move(p, dx, dy)
        except TclError:
            break
        time.sleep(dt)

def main():
    global stop
    root = Tk()
    canvas = Canvas(root, width=WIDTH, height=HEIGHT)
    canvas.pack(fill='both', expand=1)
    np = 30
    if sys.argv[1:]:
        np = int(sys.argv[1])
    for i in range(np):
        t = threading.Thread(target=particle, args=(canvas,))
        t.start()
    try:
        root.mainloop()
    finally:
        stop = 1

main()

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Editing: brownian.py

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