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annotate src/browser/sat_browser/radiocol.py @ 467:97c72fe4a5f2

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browser_side: import fixes: - moved browser modules in a sat_browser packages, to avoid import conflicts with std lib (e.g. logging), and let pyjsbuild work normaly - refactored bad import practices: classes are most of time not imported directly, module is imported instead.
author Goffi <goffi@goffi.org>
date Mon, 09 Jun 2014 22:15:26 +0200
parents src/browser/radiocol.py@1a0cec9b0f1e
children bbdc5357dc00
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2011, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org>
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 import pyjd # this is dummy in pyjs
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21 from sat.core.log import getLogger
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22 log = getLogger(__name__)
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23 from sat_frontends.tools.misc import DEFAULT_MUC
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24 from sat.core.i18n import _
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26 from pyjamas.ui.VerticalPanel import VerticalPanel
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27 from pyjamas.ui.HorizontalPanel import HorizontalPanel
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28 from pyjamas.ui.FlexTable import FlexTable
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29 from pyjamas.ui.FormPanel import FormPanel
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30 from pyjamas.ui.Label import Label
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31 from pyjamas.ui.Button import Button
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32 from pyjamas.ui.ClickListener import ClickHandler
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33 from pyjamas.ui.Hidden import Hidden
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34 from pyjamas.ui.CaptionPanel import CaptionPanel
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35 from pyjamas.media.Audio import Audio
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36 from pyjamas import Window
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37 from pyjamas.Timer import Timer
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38
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39 import html_tools
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40 import file_tools
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43 class MetadataPanel(FlexTable):
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44
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45 def __init__(self):
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46 FlexTable.__init__(self)
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47 title_lbl = Label("title:")
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48 title_lbl.setStyleName('radiocol_metadata_lbl')
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49 artist_lbl = Label("artist:")
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50 artist_lbl.setStyleName('radiocol_metadata_lbl')
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51 album_lbl = Label("album:")
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52 album_lbl.setStyleName('radiocol_metadata_lbl')
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53 self.title = Label("")
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54 self.title.setStyleName('radiocol_metadata')
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55 self.artist = Label("")
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56 self.artist.setStyleName('radiocol_metadata')
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57 self.album = Label("")
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58 self.album.setStyleName('radiocol_metadata')
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59 self.setWidget(0, 0, title_lbl)
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60 self.setWidget(1, 0, artist_lbl)
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61 self.setWidget(2, 0, album_lbl)
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62 self.setWidget(0, 1, self.title)
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63 self.setWidget(1, 1, self.artist)
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64 self.setWidget(2, 1, self.album)
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65 self.setStyleName("radiocol_metadata_pnl")
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66
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67 def setTitle(self, title):
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68 self.title.setText(title)
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70 def setArtist(self, artist):
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71 self.artist.setText(artist)
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73 def setAlbum(self, album):
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74 self.album.setText(album)
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77 class ControlPanel(FormPanel):
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78 """Panel used to show controls to add a song, or vote for the current one"""
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79
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80 def __init__(self, parent):
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81 FormPanel.__init__(self)
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82 self.setEncoding(FormPanel.ENCODING_MULTIPART)
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83 self.setMethod(FormPanel.METHOD_POST)
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84 self.setAction("upload_radiocol")
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85 self.timer_on = False
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86 self._parent = parent
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87 vPanel = VerticalPanel()
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88
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89 types = [('audio/ogg', '*.ogg', 'Ogg Vorbis Audio'),
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90 ('video/ogg', '*.ogv', 'Ogg Vorbis Video'),
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91 ('application/ogg', '*.ogx', 'Ogg Vorbis Multiplex'),
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92 ('audio/mpeg', '*.mp3', 'MPEG-Layer 3'),
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93 ('audio/mp3', '*.mp3', 'MPEG-Layer 3'),
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94 ]
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95 self.file_upload = file_tools.FilterFileUpload("song", 10, types)
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96 vPanel.add(self.file_upload)
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98 hPanel = HorizontalPanel()
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99 self.upload_btn = Button("Upload song", getattr(self, "onBtnClick"))
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100 hPanel.add(self.upload_btn)
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101 self.status = Label()
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102 self.updateStatus()
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103 hPanel.add(self.status)
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104 #We need to know the filename and the referee
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105 self.filename_field = Hidden('filename', '')
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106 hPanel.add(self.filename_field)
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107 referee_field = Hidden('referee', self._parent.referee)
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108 hPanel.add(self.filename_field)
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109 hPanel.add(referee_field)
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110 vPanel.add(hPanel)
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112 self.add(vPanel)
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113 self.addFormHandler(self)
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115 def updateStatus(self):
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116 if self.timer_on:
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117 return
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118 # TODO: the status should be different if a song is being played or not
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119 queue = self._parent.getQueueSize()
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120 queue_data = self._parent.queue_data
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121 if queue < queue_data[0]:
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122 left = queue_data[0] - queue
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123 self.status.setText("[we need %d more song%s]" % (left, "s" if left > 1 else ""))
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124 elif queue < queue_data[1]:
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125 left = queue_data[1] - queue
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126 self.status.setText("[%d available spot%s]" % (left, "s" if left > 1 else ""))
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127 elif queue >= queue_data[1]:
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128 self.status.setText("[The queue is currently full]")
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129 self.status.setStyleName('radiocol_status')
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131 def onBtnClick(self):
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132 if self.file_upload.check():
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133 self.status.setText('[Submitting, please wait...]')
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134 self.filename_field.setValue(self.file_upload.getFilename())
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135 if self.file_upload.getFilename().lower().endswith('.mp3'):
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136 self._parent._parent.host.showWarning('STATUS', 'For a better support, it is recommended to submit Ogg Vorbis file instead of MP3. You can convert your files easily, ask for help if needed!', 5000)
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137 self.submit()
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138 self.file_upload.setFilename("")
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139
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140 def onSubmit(self, event):
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141 pass
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142
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143 def blockUpload(self):
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144 self.file_upload.setVisible(False)
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145 self.upload_btn.setEnabled(False)
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146
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147 def unblockUpload(self):
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148 self.file_upload.setVisible(True)
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149 self.upload_btn.setEnabled(True)
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150
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151 def setTemporaryStatus(self, text, style):
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152 self.status.setText(text)
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153 self.status.setStyleName('radiocol_upload_status_%s' % style)
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154 self.timer_on = True
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155
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156 def cb(timer):
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157 self.timer_on = False
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158 self.updateStatus()
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159
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160 Timer(5000, cb)
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161
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162 def onSubmitComplete(self, event):
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163 result = event.getResults()
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164 if result == "OK":
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165 # the song can still be rejected (not readable, full queue...)
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166 self.setTemporaryStatus('[Your song has been submitted to the radio]', "ok")
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167 elif result == "KO":
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168 self.setTemporaryStatus('[Something went wrong during your song upload]', "ko")
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169 self._parent.radiocolSongRejected(_("The uploaded file has been rejected, only Ogg Vorbis and MP3 songs are accepted."))
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170 # TODO: would be great to re-use the original Exception class and message
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171 # but it is lost in the middle of the traceback and encapsulated within
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172 # a DBusException instance --> extract the data from the traceback?
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173 else:
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174 Window.alert('Submit error: %s' % result)
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175 self.status.setText('')
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176
243
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177
341
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178 class Player(Audio):
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179
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180 def __init__(self, player_id, metadata_panel):
341
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181 Audio.__init__(self)
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182 self._id = player_id
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183 self.metadata = metadata_panel
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184 self.timestamp = ""
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185 self.title = ""
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186 self.artist = ""
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187 self.album = ""
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188 self.filename = None
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189 self.played = False # True when the song is playing/has played, becomes False on preload
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190 self.setAutobuffer(True)
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191 self.setAutoplay(False)
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192 self.setVisible(False)
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193
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194 def preload(self, timestamp, filename, title, artist, album):
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195 """preload the song but doesn't play it"""
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196 self.timestamp = timestamp
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197 self.filename = filename
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198 self.title = title
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199 self.artist = artist
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200 self.album = album
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201 self.played = False
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202 self.setSrc("radiocol/%s" % html_tools.html_sanitize(filename))
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203 log.debug("preloading %s in %s" % (title, self._id))
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204
287
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205 def play(self, play=True):
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206 """Play or pause the song
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207 @param play: set to True to play or to False to pause
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208 """
287
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209 if play:
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210 self.played = True
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211 self.metadata.setTitle(self.title)
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212 self.metadata.setArtist(self.artist)
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213 self.metadata.setAlbum(self.album)
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214 Audio.play(self)
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215 else:
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216 self.pause()
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217
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218
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219 class RadioColPanel(HorizontalPanel, ClickHandler):
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220
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221 def __init__(self, parent, referee, player_nick, players, queue_data):
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222 """
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223 @param parent
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224 @param referee
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225 @param player_nick
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226 @param players
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227 @param queue_data: list of integers (queue to start, queue limit)
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228 """
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229 # We need to set it here and not in the CSS :(
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230 HorizontalPanel.__init__(self, Height="90px")
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231 ClickHandler.__init__(self)
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232 self._parent = parent
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233 self.referee = referee
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234 self.queue_data = queue_data
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235 self.setStyleName("radiocolPanel")
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236
127
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237 # Now we set up the layout
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238 self.metadata_panel = MetadataPanel()
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239 self.add(CaptionPanel("Now playing", self.metadata_panel))
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240 self.playlist_panel = VerticalPanel()
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241 self.add(CaptionPanel("Songs queue", self.playlist_panel))
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242 self.control_panel = ControlPanel(self)
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243 self.add(CaptionPanel("Controls", self.control_panel))
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244
130
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245 self.next_songs = []
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246 self.players = [Player("player_%d" % i, self.metadata_panel) for i in xrange(queue_data[1] + 1)]
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247 self.current_player = None
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248 for player in self.players:
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249 self.add(player)
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250 self.addClickListener(self)
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251
397
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252 help_msg = """Accepted file formats: Ogg Vorbis (recommended), MP3.<br />
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253 Please do not submit files that are protected by copyright.<br />
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254 Click <a style="color: red;">here</a> if you need some support :)"""
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255 link_cb = lambda: self._parent.host.bridge.call('joinMUC', None, DEFAULT_MUC, self._parent.nick)
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256 self._parent.printInfo(help_msg, type_='link', link_cb=link_cb)
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257
130
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258 def pushNextSong(self, title):
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259 """Add a song to the left panel's next songs queue"""
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260 next_song = Label(title)
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261 next_song.setStyleName("radiocol_next_song")
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262 self.next_songs.append(next_song)
286
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263 self.playlist_panel.append(next_song)
287
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264 self.control_panel.updateStatus()
130
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265
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266 def popNextSong(self):
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267 """Remove the first song of next songs list
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268 should be called when the song is played"""
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269 #FIXME: should check that the song we remove is the one we play
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270 next_song = self.next_songs.pop(0)
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271 self.playlist_panel.remove(next_song)
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272 self.control_panel.updateStatus()
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273
285
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274 def getQueueSize(self):
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275 return len(self.playlist_panel.getChildren())
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276
287
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277 def radiocolCheckPreload(self, timestamp):
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278 for player in self.players:
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279 if player.timestamp == timestamp:
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280 return False
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281 return True
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282
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283 def radiocolPreload(self, timestamp, filename, title, artist, album, sender):
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284 if not self.radiocolCheckPreload(timestamp):
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285 return # song already preloaded
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286 preloaded = False
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287 for player in self.players:
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288 if not player.filename or \
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289 (player.played and player != self.current_player):
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290 #if player has no file loaded, or it has already played its song
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291 #we use it to preload the next one
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292 player.preload(timestamp, filename, title, artist, album)
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293 preloaded = True
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294 break
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295 if not preloaded:
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296 log.warning("Can't preload song, we are getting too many songs to preload, we shouldn't have more than %d at once" % self.queue_data[1])
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297 else:
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298 self.pushNextSong(title)
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299 self._parent.printInfo(_('%(user)s uploaded %(artist)s - %(title)s') % {'user': sender, 'artist': artist, 'title': title})
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300
130
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301 def radiocolPlay(self, filename):
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302 found = False
130
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303 for player in self.players:
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304 if not found and player.filename == filename:
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305 player.play()
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306 self.popNextSong()
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307 self.current_player = player
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308 found = True
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309 else:
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310 player.play(False) # in case the previous player was not sync
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311 if not found:
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312 log.error("Song not found in queue, can't play it. This should not happen")
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313
130
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314 def radiocolNoUpload(self):
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315 self.control_panel.blockUpload()
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316
130
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317 def radiocolUploadOk(self):
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318 self.control_panel.unblockUpload()
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319
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320 def radiocolSongRejected(self, reason):
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321 Window.alert("Song rejected: %s" % reason)