annotate vixm/playlist.py @ 39:9995931be5b1 pure

Select first song randomly if needed
author Josef "Jeff" Sipek <jeffpc@josefsipek.net>
date Sat, 04 Nov 2006 17:57:38 -0500
parents 8028f2addb00
children 06b5a7db3d19
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1 # playlist.py - playlist interface
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2 #
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3 # Copyright (C) 2006 Josef "Jeff" Sipek <jeffpc@josefsipek.net>
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4 #
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5 # This program is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License version 2 as
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7 # published by the Free Software Foundation.
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9 import random, re
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11 LIST_PRIO = 0
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12 LIST_DEFAULT = 1
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14 class playlist:
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15 def __init__(self, allowrandom=False):
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16 self.__list = []
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17 self.__allowrand = allowrandom # allow randomization of this list
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18 self.__cursor = allowrandom and self.__rnd() or 0
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20 def enqueue(self, song):
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21 """ Append a song to the list """
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22 self.__list.append(song)
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24 def dequeue(self, song):
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25 """ Remove a song from the list """
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26 self.__list.remove(song)
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28 def pop(self):
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29 """ Pop the next song """
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30 return self.__list.pop(0)
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32 def __rnd(self):
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33 return random.randint(0, len(self.__list)-1)
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35 def next(self):
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36 """ Get the next song """
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37 idx = self.__cursor
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39 if not self.__allowrand:
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40 self.__cursor += 1
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41 if self.__cursor >= len(self.__list):
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42 self.__cursor = 0
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43 else:
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44 self.__cursor = self.__rnd()
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46 return self.__list[idx]
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48 def __getitem__(self, i):
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49 """ Get item at position i """
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50 return self.__list[i]
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52 def __len__(self):
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53 """ Return the length of the playlist """
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54 return len(self.__list)
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56 def search(self, regexp):
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57 """ Yield all the songs matching regexp """
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58 for song in self.__list:
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59 if re.search(regexp, str(song), re.IGNORECASE):
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60 yield song
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62 def index(self, song):
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63 """ Returns the index of the first occurence of song """
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64 return self.__list.index(song)
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