[pygame] program crashes

[kevin hayes <kevinosky@xxxxxxxxx>]

Can someone tell me what to do (or what I need to get) to get this program to work properly?

When I run the code(straight out of the book), I get this:

Traceback (most recent call last):

  File "/Users/kevinhayes/Desktop/code/ch05/paint.py", line 107, in <module>

    main()

  File "/Users/kevinhayes/Desktop/code/ch05/paint.py", line 102, in main

    myLabel = showStats(drawColor, lineWidth)

  File "/Users/kevinhayes/Desktop/code/ch05/paint.py", line 67, in showStats

    myFont = pygame.font.SysFont("None", 20)

  File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/pygame/sysfont.py", line 555, in SysFont

    initsysfonts()

  File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/pygame/sysfont.py", line 522, in initsysfonts

    fonts = initsysfonts_darwin()

  File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/pygame/sysfont.py", line 422, in initsysfonts_darwin

    _search_osx_font_paths(fonts)

UnboundLocalError: local variable 'fonts' referenced before assignment

********************************

here is the code:

""" paint.py 

    a simple paint program"""

import pygame

    

def checkKeys(myData):

    """test for various keyboard inputs"""

    

    #extract the data

    (event, background, drawColor, lineWidth, keepGoing) = myData

    #print myData

    

    if event.key == pygame.K_q:

        #quit    

        keepGoing = False

    elif event.key == pygame.K_c:

        #clear screen

        background.fill((255, 255, 255))

    elif event.key == pygame.K_s:

        #save picture

        pygame.image.save(background, "painting.bmp")

    elif event.key == pygame.K_l:

        #load picture

        background = "">

    elif event.key == pygame.K_r:

        #red

        drawColor = (255, 0, 0)

    elif event.key == pygame.K_g:

        #green

        drawColor = (0, 255, 0)

    elif event.key == pygame.K_w:

        #white

        drawColor = (255, 255, 255)

    elif event.key == pygame.K_b:

        #blue

        drawColor = (0, 0, 255)

    elif event.key == pygame.K_k:

        #black

        drawColor = (0, 0, 0)

    #line widths

    elif event.key == pygame.K_1:

        lineWidth = 1

    elif event.key == pygame.K_2:

        lineWidth = 2

    elif event.key == pygame.K_3:

        lineWidth = 3

    elif event.key == pygame.K_4:

        lineWidth = 4

    elif event.key == pygame.K_5:

        lineWidth = 5

    elif event.key == pygame.K_6:

        lineWidth = 6

    elif event.key == pygame.K_7:

        lineWidth = 7

    elif event.key == pygame.K_8:

        lineWidth = 8

    elif event.key == pygame.K_9:

        lineWidth = 9

    #return all values 

    myData = (event, background, drawColor, lineWidth, keepGoing)

    return myData

def showStats(drawColor, lineWidth):

    """ shows the current statistics """

    myFont = pygame.font.SysFont("None", 20)

    stats = "color: %s, width: %d" % (drawColor, lineWidth)

    statSurf = myFont.render(stats, 1, (drawColor))

    return statSurf

def main():

    pygame.init()

    screen = pygame.display.set_mode((640, 480))

    pygame.display.set_caption("Paint:  (r)ed, (g)reen, (b)lue, (w)hite, blac(k), (1-9) width, (c)lear, (s)ave, (l)oad, (q)uit")

    

    background = "">

    background.fill((255, 255, 255))

    

    clock = pygame.time.Clock()

    keepGoing = True

    lineStart = (0, 0)

    drawColor = (0, 0, 0)

    lineWidth = 3

    

    while keepGoing:

        clock.tick(30)

        

        for event in pygame.event.get():

            if event.type == pygame.QUIT:

                keepGoing = False

            elif event.type == pygame.MOUSEMOTION:

                lineEnd = pygame.mouse.get_pos()

                if pygame.mouse.get_pressed() == (1, 0, 0):

                    pygame.draw.line(background, drawColor, lineStart, lineEnd, lineWidth)

                lineStart = lineEnd

            elif event.type == pygame.KEYDOWN:

                myData = (event, background, drawColor, lineWidth, keepGoing)

                myData = checkKeys(myData)

                (event, background, drawColor, lineWidth, keepGoing) = myData

        screen.blit(background, (0, 0))

        myLabel = showStats(drawColor, lineWidth)

        screen.blit(myLabel, (450, 450))

        pygame.display.flip()

if __name__ == "__main__":

    main()

***********************************************************************************

I'm using python 2.5 and pygame-1.9.1release-py2.5 on Mac osx 10.4.11...any help would be appreciated.  Thanks. Kevin