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LISTING 23.5 The script2305.py Special Presentation
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#script2305.py - Special HD Presentation with Sound
#Written by Blum and Bresnahan
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##### Import Functions & Variables #######
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from os import listdir, system #Import from OS module
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#Import from PyGame Library
from pygame import event, font, display, image, init, mixer, time, transform
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from random import randint #Import from Random module
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from sys import exit #Import from System module
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from pygame.locals import * #Load PyGame constants
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init() #Initialize PyGame
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# Load Music Play List Function ##################
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# Read Playlist and Queue up Songs #
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def Load_Music ():
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global SongList #Make SongList global
SongList = [] #Initialize SongList to Null
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global SongNumber #Make SongNumber global
SongNumber = 0 #Initialize Song Number to 0
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global MaxSongs #Make MaxSongs global
MaxSongs = 0 #Initialize Maximum Songs to 0
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PlayList = PictureDirectory + '/' + 'playlist.txt'
PlayList = open(PlayList, 'r')
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for Song in PlayList: #Load PlayList into SongList
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Song = Song.rstrip('\n') #Strip off newline
if Song != "": #Avoid blank lines in PlayList
Song = PictureDirectory + '/' + Song
SongList.append(Song)
MaxSongs = MaxSongs + 1
PlayList.close()
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# Play The Music Function #########################
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def Play_Music (SongList,SongNumber):
mixer.music.load(SongList[SongNumber])
mixer.music.play(0)
mixer.music.set_endevent(USEREVENT) #Send event when Music Stops