Whitespace normalization, via reindent.py.
diff --git a/Demo/tkinter/guido/electrons.py b/Demo/tkinter/guido/electrons.py
index 97dad2d7..fdc558f 100755
--- a/Demo/tkinter/guido/electrons.py
+++ b/Demo/tkinter/guido/electrons.py
@@ -1,6 +1,6 @@
#! /usr/bin/env python
-# Simulate "electrons" migrating across the screen.
+# Simulate "electrons" migrating across the screen.
# An optional bitmap file in can be in the background.
#
# Usage: electrons [n [bitmapfile]]
@@ -18,74 +18,74 @@
# The graphical interface
class Electrons:
- # Create our objects
- def __init__(self, n, bitmap = None):
- self.n = n
- self.tk = tk = Tk()
- self.canvas = c = Canvas(tk)
- c.pack()
- width, height = tk.getint(c['width']), tk.getint(c['height'])
+ # Create our objects
+ def __init__(self, n, bitmap = None):
+ self.n = n
+ self.tk = tk = Tk()
+ self.canvas = c = Canvas(tk)
+ c.pack()
+ width, height = tk.getint(c['width']), tk.getint(c['height'])
- # Add background bitmap
- if bitmap:
- self.bitmap = c.create_bitmap(width/2, height/2,
- bitmap=bitmap,
- foreground='blue')
+ # Add background bitmap
+ if bitmap:
+ self.bitmap = c.create_bitmap(width/2, height/2,
+ bitmap=bitmap,
+ foreground='blue')
- self.pieces = []
- x1, y1, x2, y2 = 10,70,14,74
- for i in range(n):
- p = c.create_oval(x1, y1, x2, y2, fill='red')
- self.pieces.append(p)
- y1, y2 = y1 +2, y2 + 2
- self.tk.update()
+ self.pieces = []
+ x1, y1, x2, y2 = 10,70,14,74
+ for i in range(n):
+ p = c.create_oval(x1, y1, x2, y2, fill='red')
+ self.pieces.append(p)
+ y1, y2 = y1 +2, y2 + 2
+ self.tk.update()
- def random_move(self, n):
- c = self.canvas
- for p in self.pieces:
- x = random.choice(range(-2,4))
- y = random.choice(range(-3,4))
- c.move(p, x, y)
- self.tk.update()
+ def random_move(self, n):
+ c = self.canvas
+ for p in self.pieces:
+ x = random.choice(range(-2,4))
+ y = random.choice(range(-3,4))
+ c.move(p, x, y)
+ self.tk.update()
- # Run -- allow 500 movemens
- def run(self):
- try:
- for i in range(500):
- self.random_move(self.n)
- except TclError:
- try:
- self.tk.destroy()
- except TclError:
- pass
+ # Run -- allow 500 movemens
+ def run(self):
+ try:
+ for i in range(500):
+ self.random_move(self.n)
+ except TclError:
+ try:
+ self.tk.destroy()
+ except TclError:
+ pass
# Main program
def main():
- import sys, string
+ import sys, string
- # First argument is number of electrons, default 30
- if sys.argv[1:]:
- n = string.atoi(sys.argv[1])
- else:
- n = 30
+ # First argument is number of electrons, default 30
+ if sys.argv[1:]:
+ n = string.atoi(sys.argv[1])
+ else:
+ n = 30
- # Second argument is bitmap file, default none
- if sys.argv[2:]:
- bitmap = sys.argv[2]
- # Reverse meaning of leading '@' compared to Tk
- if bitmap[0] == '@': bitmap = bitmap[1:]
- else: bitmap = '@' + bitmap
- else:
- bitmap = None
+ # Second argument is bitmap file, default none
+ if sys.argv[2:]:
+ bitmap = sys.argv[2]
+ # Reverse meaning of leading '@' compared to Tk
+ if bitmap[0] == '@': bitmap = bitmap[1:]
+ else: bitmap = '@' + bitmap
+ else:
+ bitmap = None
- # Create the graphical objects...
- h = Electrons(n, bitmap)
+ # Create the graphical objects...
+ h = Electrons(n, bitmap)
- # ...and run!
- h.run()
+ # ...and run!
+ h.run()
# Call main when run as script
if __name__ == '__main__':
- main()
+ main()