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annotate browser_side/radiocol.py @ 394:ee61b0765d6c

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browser_side: radiocol supports MP3
author souliane <souliane@mailoo.org>
date Thu, 06 Mar 2014 01:06:19 +0100
parents 30d03d9f07e4
children 6148e9063069
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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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6
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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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11
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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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16
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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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20 import pyjd # this is dummy in pyjs
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21 from pyjamas.ui.VerticalPanel import VerticalPanel
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22 from pyjamas.ui.HorizontalPanel import HorizontalPanel
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23 from pyjamas.ui.FlexTable import FlexTable
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24 from pyjamas.ui.FormPanel import FormPanel
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25 from pyjamas.ui.Label import Label
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26 from pyjamas.ui.Button import Button
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27 from pyjamas.ui.ClickListener import ClickHandler
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28 from pyjamas.ui.Hidden import Hidden
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29 from pyjamas.ui.HTML import HTML
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30 from pyjamas.ui.CaptionPanel import CaptionPanel
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31 from pyjamas.media.Audio import Audio
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32 from pyjamas import Window
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33 from pyjamas.Timer import Timer
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34 from __pyjamas__ import JS
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35
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36 from html_tools import html_sanitize
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37 from file_tools import FilterFileUpload
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38 from sat_frontends.tools.misc import DEFAULT_MUC
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39 from sat.core.i18n import _
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42 class MetadataPanel(FlexTable):
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44 def __init__(self):
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45 FlexTable.__init__(self)
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46 title_lbl = Label("title:")
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47 title_lbl.setStyleName('radiocol_metadata_lbl')
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48 artist_lbl = Label("artist:")
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49 artist_lbl.setStyleName('radiocol_metadata_lbl')
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50 album_lbl = Label("album:")
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51 album_lbl.setStyleName('radiocol_metadata_lbl')
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52 self.title = Label("")
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53 self.title.setStyleName('radiocol_metadata')
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54 self.artist = Label("")
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55 self.artist.setStyleName('radiocol_metadata')
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56 self.album = Label("")
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57 self.album.setStyleName('radiocol_metadata')
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58 self.setWidget(0, 0, title_lbl)
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59 self.setWidget(1, 0, artist_lbl)
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60 self.setWidget(2, 0, album_lbl)
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61 self.setWidget(0, 1, self.title)
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62 self.setWidget(1, 1, self.artist)
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63 self.setWidget(2, 1, self.album)
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64 self.setStyleName("radiocol_metadata_pnl")
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65
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66 def setTitle(self, title):
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67 self.title.setText(title)
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69 def setArtist(self, artist):
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70 self.artist.setText(artist)
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72 def setAlbum(self, album):
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73 self.album.setText(album)
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75
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76 class ControlPanel(FormPanel):
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77 """Panel used to show controls to add a song, or vote for the current one"""
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78
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79 def __init__(self, parent):
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80 FormPanel.__init__(self)
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81 self.setEncoding(FormPanel.ENCODING_MULTIPART)
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82 self.setMethod(FormPanel.METHOD_POST)
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83 self.setAction("upload_radiocol")
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84 self.timer_on = False
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85 self._parent = parent
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86 vPanel = VerticalPanel()
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87
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88 types = [('audio/ogg', '*.ogg', 'Ogg Vorbis Audio'),
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89 ('video/ogg', '*.ogv', 'Ogg Vorbis Video'),
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90 ('application/ogg', '*.ogx', 'Ogg Vorbis Multiplex'),
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91 ('audio/mpeg', '*.mp3', 'MPEG-Layer 3')]
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92 self.file_upload = FilterFileUpload("song", 10, types)
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93 vPanel.add(self.file_upload)
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94
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95 hPanel = HorizontalPanel()
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96 self.upload_btn = Button("Upload song", getattr(self, "onBtnClick"))
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97 hPanel.add(self.upload_btn)
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98 self.status = Label()
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99 self.updateStatus()
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100 hPanel.add(self.status)
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101 #We need to know the filename and the referee
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102 self.filename_field = Hidden('filename', '')
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103 hPanel.add(self.filename_field)
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104 referee_field = Hidden('referee', self._parent.referee)
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105 hPanel.add(self.filename_field)
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106 hPanel.add(referee_field)
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107 vPanel.add(hPanel)
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109 self.add(vPanel)
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110 self.addFormHandler(self)
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111
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112 def updateStatus(self):
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113 if self.timer_on:
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114 return
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115 # TODO: the status should be different if a song is being played or not
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116 queue = self._parent.getQueueSize()
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117 queue_data = self._parent.queue_data
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118 if queue < queue_data[0]:
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119 left = queue_data[0] - queue
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120 self.status.setText("[we need %d more song%s]" % (left, "s" if left > 1 else ""))
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121 elif queue < queue_data[1]:
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122 left = queue_data[1] - queue
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123 self.status.setText("[%d available spot%s]" % (left, "s" if left > 1 else ""))
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124 elif queue >= queue_data[1]:
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125 self.status.setText("[The queue is currently full]")
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126 self.status.setStyleName('radiocol_status')
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128 def onBtnClick(self):
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129 if self.file_upload.check():
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130 self.status.setText('[Submitting, please wait...]')
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131 self.filename_field.setValue(self.file_upload.getFilename())
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132 if self.file_upload.getFilename().lower().endswith('.mp3'):
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133 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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134 self.submit()
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135 self.file_upload.setFilename("")
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136
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137 def onSubmit(self, event):
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138 pass
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139
130
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140 def blockUpload(self):
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141 self.file_upload.setVisible(False)
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142 self.upload_btn.setEnabled(False)
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143
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144 def unblockUpload(self):
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145 self.file_upload.setVisible(True)
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146 self.upload_btn.setEnabled(True)
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147
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148 def setTemporaryStatus(self, text, style):
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149 self.status.setText(text)
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150 self.status.setStyleName('radiocol_upload_status_%s' % style)
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151 self.timer_on = True
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152
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153 def cb():
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154 self.timer_on = False
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155 self.updateStatus()
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156
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157 Timer(5000, cb)
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158
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159 def onSubmitComplete(self, event):
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160 result = event.getResults()
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161 if result == "OK":
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162 # the song can still be rejected (not readable, full queue...)
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163 self.setTemporaryStatus('[Your song has been submitted to the radio]', "ok")
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164 elif result == "KO":
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165 self.setTemporaryStatus('[Something went wrong during your song upload]', "ko")
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166 self._parent.radiocolSongRejected(_("The uploaded file has been rejected, only Ogg Vorbis and MP3 songs are accepted."))
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167 # TODO: would be great to re-use the original Exception class and message
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168 # but it is lost in the middle of the traceback and encapsulated within
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169 # a DBusException instance --> extract the data from the traceback?
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170 else:
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171 Window.alert('Submit error: %s' % result)
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172 self.status.setText('')
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173
243
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174
341
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175 class Player(Audio):
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176
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177 def __init__(self, player_id, metadata_panel):
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178 Audio.__init__(self)
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179 self._id = player_id
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180 self.metadata = metadata_panel
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181 self.timestamp = ""
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182 self.title = ""
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183 self.artist = ""
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184 self.album = ""
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185 self.filename = None
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186 self.played = False # True when the song is playing/has played, becomes False on preload
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187 self.setAutobuffer(True)
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188 self.setAutoplay(False)
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189 self.setVisible(False)
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190
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191
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192 def preload(self, timestamp, filename, title, artist, album):
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193 """preload the song but doesn't play it"""
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194 self.timestamp = timestamp
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195 self.filename = filename
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196 self.title = title
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197 self.artist = artist
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198 self.album = album
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199 self.played = False
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200 self.setSrc("radiocol/%s" % html_sanitize(filename))
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201 print "preloading %s in %s" % (title, self._id)
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202
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203 def play(self, play=True):
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204 """Play or pause the song
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205 @param play: set to True to play or to False to pause
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206 """
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207 if play:
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208 self.played = True
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209 self.metadata.setTitle(self.title)
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210 self.metadata.setArtist(self.artist)
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211 self.metadata.setAlbum(self.album)
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212 Audio.play(self)
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213 else:
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214 self.pause()
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215
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216
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217 class RadioColPanel(HorizontalPanel, ClickHandler):
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218
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219 def __init__(self, parent, referee, player_nick, players, queue_data):
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220 # We need to set it here and not in the CSS :(
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221 HorizontalPanel.__init__(self, Height="90px")
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222 ClickHandler.__init__(self)
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223 self._parent = parent
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224 self.referee = referee
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225 self.queue_data = queue_data
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226 self.setStyleName("radiocolPanel")
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227
127
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228 # Now we set up the layout
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229 self.metadata_panel = MetadataPanel()
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230 self.add(CaptionPanel("Now playing", self.metadata_panel))
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231 self.playlist_panel = VerticalPanel()
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232 self.add(CaptionPanel("Songs queue", self.playlist_panel))
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233 self.control_panel = ControlPanel(self)
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234 self.add(CaptionPanel("Controls", self.control_panel))
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235
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236 self.next_songs = []
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237 self.players = [Player("player_%d" % i, self.metadata_panel) for i in xrange(queue_data[1] + 1)]
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238 self.current_player = None
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239 for player in self.players:
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240 self.add(player)
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241 self.addClickListener(self)
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242
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243 help_msg = HTML("""Accepted file formats: Ogg Vorbis (recommended), MP3.<br />
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244 Please do not submit files that are protected by copyright.<br />
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245 Click <a style="color: red;">here</a> if you need some support :)
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246 """)
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247 help_msg.setStyleName('chatTextInfo-link')
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248 help_msg.addClickListener(lambda: self._parent.host.bridge.call('joinMUC', None, DEFAULT_MUC, self._parent.nick))
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249 self._parent.content.add(help_msg)
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250
130
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251 def pushNextSong(self, title):
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252 """Add a song to the left panel's next songs queue"""
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253 next_song = Label(title)
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254 next_song.setStyleName("radiocol_next_song")
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255 self.next_songs.append(next_song)
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256 self.playlist_panel.append(next_song)
287
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257 self.control_panel.updateStatus()
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258
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259 def popNextSong(self):
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260 """Remove the first song of next songs list
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261 should be called when the song is played"""
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262 #FIXME: should check that the song we remove is the one we play
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263 next_song = self.next_songs.pop(0)
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264 self.playlist_panel.remove(next_song)
287
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265 self.control_panel.updateStatus()
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266
285
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267 def getQueueSize(self):
286
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souliane <souliane@mailoo.org>
parents: 285
diff changeset
268 return len(self.playlist_panel.getChildren())
285
4f0c2fea358a browser_side (plugin radiocol): use the status label to give more information
souliane <souliane@mailoo.org>
parents: 284
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269
287
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souliane <souliane@mailoo.org>
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270 def radiocolCheckPreload(self, timestamp):
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souliane <souliane@mailoo.org>
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271 for player in self.players:
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souliane <souliane@mailoo.org>
parents: 286
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272 if player.timestamp == timestamp:
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
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273 return False
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
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274 return True
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
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275
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
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276 def radiocolPreload(self, timestamp, filename, title, artist, album):
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
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277 if not self.radiocolCheckPreload(timestamp):
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
278 return # song already preloaded
129
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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279 preloaded = False
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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280 for player in self.players:
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
diff changeset
281 if not player.filename or \
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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282 (player.played and player != self.current_player):
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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283 #if player has no file loaded, or it has already played its song
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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284 #we use it to preload the next one
287
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
285 player.preload(timestamp, filename, title, artist, album)
129
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
diff changeset
286 preloaded = True
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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287 break
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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288 if not preloaded:
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
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289 print("WARNING: Can't preload song, we are getting too many songs to preload, we shouldn't have more than 2 at once")
130
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
290 else:
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
291 self.pushNextSong(title)
243
63e9b680d3e7 browser_side, blog: better PEP8 compliance
souliane <souliane@mailoo.org>
parents: 165
diff changeset
292
130
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
293 def radiocolPlay(self, filename):
287
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
294 found = False
130
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
295 for player in self.players:
287
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
296 if not found and player.filename == filename:
130
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
297 player.play()
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
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298 self.popNextSong()
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
299 self.current_player = player
287
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
300 found = True
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
301 else:
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
302 player.play(False) # in case the previous player was not sync
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
303 if not found:
7a1dc69112b8 browser_side (plugin radiocol): send the current queue to new players
souliane <souliane@mailoo.org>
parents: 286
diff changeset
304 print("WARNING: Song not found in queue, can't play it. This should not happen")
127
e19a8de8b3de radio collective first draft
Goffi <goffi@goffi.org>
parents:
diff changeset
305
130
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
306 def radiocolNoUpload(self):
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
307 self.control_panel.blockUpload()
129
dd0d39ae7d24 RadioCol: song preloading + fonctionnal players
Goffi <goffi@goffi.org>
parents: 128
diff changeset
308
130
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
309 def radiocolUploadOk(self):
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
310 self.control_panel.unblockUpload()
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
311
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
312 def radiocolSongRejected(self, reason):
6576c5a90060 Working Radio Collective \o/
Goffi <goffi@goffi.org>
parents: 129
diff changeset
313 Window.alert("Song rejected: %s" % reason)