Mercurial > libervia-backend
annotate src/plugins/plugin_misc_radiocol.py @ 573:db7a03a33612
installation: added mutagen to setup.py's dependencies
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 07 Jan 2013 23:54:17 +0100 |
| parents | ca13633d3b6b |
| children | 593331663b80 |
| rev | line source |
|---|---|
| 450 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 """ | |
| 5 SAT plugin for managing Radiocol | |
| 572 | 6 Copyright (C) 2009, 2010, 2011, 2012, 2013 Jérôme Poisson (goffi@goffi.org) |
| 450 | 7 |
| 8 This program is free software: you can redistribute it and/or modify | |
|
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9 it under the terms of the GNU Affero General Public License as published by |
| 450 | 10 the Free Software Foundation, either version 3 of the License, or |
| 11 (at your option) any later version. | |
| 12 | |
| 13 This program is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
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16 GNU Affero General Public License for more details. |
| 450 | 17 |
|
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18 You should have received a copy of the GNU Affero General Public License |
| 450 | 19 along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 """ | |
| 21 | |
| 22 from logging import debug, info, warning, error | |
| 23 from twisted.words.xish import domish | |
| 24 from twisted.internet import protocol, defer, threads, reactor | |
| 25 from twisted.words.protocols.jabber import client, jid, xmlstream | |
| 26 from twisted.words.protocols.jabber import error as jab_error | |
| 27 from twisted.words.protocols.jabber.xmlstream import IQ | |
| 28 import random | |
| 29 | |
| 30 from zope.interface import implements | |
| 31 | |
| 32 from wokkel import disco, iwokkel, data_form | |
| 33 from sat.tools.xml_tools import dataForm2xml | |
| 34 from sat.tools.games import TarotCard | |
| 35 | |
| 36 from time import time | |
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37 import os.path |
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38 from mutagen.oggvorbis import OggVorbis, OggVorbisHeaderError |
| 450 | 39 |
| 40 try: | |
| 41 from twisted.words.protocols.xmlstream import XMPPHandler | |
| 42 except ImportError: | |
| 43 from wokkel.subprotocols import XMPPHandler | |
| 44 | |
| 45 MESSAGE = '/message' | |
| 46 NC_RADIOCOL = 'http://www.goffi.org/protocol/radiocol' | |
| 47 RADIOC_TAG = 'radiocol' | |
| 48 RADIOC_REQUEST = MESSAGE + '/' + RADIOC_TAG + '[@xmlns="' + NC_RADIOCOL + '"]' | |
| 49 | |
| 50 PLUGIN_INFO = { | |
| 51 "name": "Radio collective plugin", | |
| 52 "import_name": "Radiocol", | |
| 53 "type": "Exp", | |
| 54 "protocols": [], | |
| 55 "dependencies": ["XEP-0045", "XEP-0249"], | |
| 56 "main": "Radiocol", | |
| 57 "handler": "yes", | |
| 58 "description": _("""Implementation of radio collective""") | |
| 59 } | |
| 60 | |
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61 QUEUE_LIMIT = 2 |
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62 |
| 450 | 63 |
| 64 class Radiocol(): | |
| 65 | |
| 66 def __init__(self, host): | |
| 67 info(_("Radio collective initialization")) | |
| 68 self.host = host | |
| 69 self.radios={} | |
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70 host.bridge.addMethod("radiocolLaunch", ".plugin", in_sign='ass', out_sign='', method=self.radiocolLaunch) |
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71 host.bridge.addMethod("radiocolCreate", ".plugin", in_sign='ss', out_sign='', method=self.radiocolCreate) |
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72 host.bridge.addMethod("radiocolSongAdded", ".plugin", in_sign='sss', out_sign='', method=self.radiocolSongAdded) |
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73 host.bridge.addSignal("radiocolStarted", ".plugin", signature='sss') #room_jid, referee, profile |
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74 host.bridge.addSignal("radiocolSongRejected", ".plugin", signature='sss') #room_jid, reason, profile |
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75 host.bridge.addSignal("radiocolPreload", ".plugin", signature='ssssss') #room_jid, filename, title, artist, album, profile |
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76 host.bridge.addSignal("radiocolPlay", ".plugin", signature='sss') #room_jid, filename, profile |
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77 host.bridge.addSignal("radiocolNoUpload", ".plugin", signature='ss') #room_jid, profile |
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78 host.bridge.addSignal("radiocolUploadOk", ".plugin", signature='ss') #room_jid, profile |
| 450 | 79 host.trigger.add("MUC user joined", self.userJoinedTrigger) |
| 80 | |
| 81 def createRadiocolElt(self, to_jid, type="normal"): | |
| 82 type = "normal" if to_jid.resource else "groupchat" | |
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83 elt = domish.Element((None,'message')) |
| 450 | 84 elt["to"] = to_jid.full() |
| 85 elt["type"] = type | |
| 86 elt.addElement((NC_RADIOCOL, RADIOC_TAG)) | |
| 87 return elt | |
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88 |
| 450 | 89 def __create_started_elt(self): |
| 90 """Create a game_started domish element""" | |
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91 started_elt = domish.Element((None,'started')) |
| 450 | 92 return started_elt |
| 93 | |
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94 def __create_preload_elt(self, sender, filename, title, artist, album): |
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95 preload_elt = domish.Element((None,'preload')) |
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96 preload_elt['sender'] = sender |
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97 preload_elt['filename'] = filename #XXX: the frontend should know the temporary directory where file is put |
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98 preload_elt['title'] = title |
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99 preload_elt['artist'] = artist |
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100 preload_elt['album'] = album |
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101 return preload_elt |
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102 |
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103 |
| 450 | 104 def userJoinedTrigger(self, room, user, profile): |
| 105 """This trigger is used to check if we are waiting people in this room, | |
| 106 and to create a game if everybody is here""" | |
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107 room_jid = room.occupantJID.userhost() |
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108 if self.radios.has_key(room_jid) and self.radios[room_jid]["referee"] == room.occupantJID.full(): |
| 450 | 109 #we are in a radiocol room, let's start the party ! |
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110 mess = self.createRadiocolElt(jid.JID(room_jid+'/'+user.nick)) |
| 450 | 111 mess.firstChildElement().addChild(self.__create_started_elt()) |
| 112 self.host.profiles[profile].xmlstream.send(mess) | |
| 113 return True | |
| 114 | |
| 115 def radiocolLaunch(self, occupants, profile_key='@DEFAULT@'): | |
| 116 """Launch a game: helper method to create a room, invite occupants, and create the radiocol | |
| 117 @param occupants: list for occupants jid""" | |
| 118 debug(_('Launching radiocol')) | |
| 119 profile = self.host.memory.getProfileName(profile_key) | |
| 120 if not profile: | |
| 121 error(_("Unknown profile")) | |
| 122 return | |
| 123 | |
| 124 def radiocolRoomJoined(room): | |
| 125 print "radiocolRoomJoined" | |
| 126 _room_jid = room.occupantJID.userhostJID() | |
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127 self.radiocolCreate(_room_jid.userhost(), profile_key=profile) |
| 450 | 128 for occupant in occupants: |
| 129 self.host.plugins["XEP-0249"].invite(jid.JID(occupant), room.occupantJID.userhostJID(), {"game":"Radiocol"}, profile) | |
| 130 | |
| 131 def after_init(ignore): | |
| 132 room_name = "sat_radiocol_%s" % self.host.plugins["XEP-0045"].getUniqueName(profile_key) | |
| 133 print "\n\n===> room_name:", room_name | |
| 134 muc_service = None | |
| 135 for service in self.host.memory.getServerServiceEntities("conference", "text", profile): | |
| 136 if not ".irc." in service.userhost(): | |
| 137 #FIXME: | |
| 138 #This awfull ugly hack is here to avoid an issue with openfire: the irc gateway | |
| 139 #use "conference/text" identity (instead of "conference/irc"), there is certainly a better way | |
| 140 #to manage this, but this hack fill do it for test purpose | |
| 141 muc_service = service | |
| 142 break | |
| 143 if not muc_service: | |
| 144 error(_("Can't find a MUC service")) | |
| 145 return | |
| 146 | |
| 147 _jid, xmlstream = self.host.getJidNStream(profile) | |
| 148 d = self.host.plugins["XEP-0045"].join(jid.JID("%s@%s" % (room_name, muc_service.userhost())), _jid.user, {}, profile) | |
| 149 d.addCallback(radiocolRoomJoined) | |
| 150 | |
| 151 client = self.host.getClient(profile) | |
| 152 if not client: | |
| 153 error(_('No client for this profile key: %s') % profile_key) | |
| 154 return | |
| 155 client.client_initialized.addCallback(after_init) | |
| 156 | |
| 157 def radiocolCreate(self, room_jid_param, profile_key='@DEFAULT@'): | |
| 158 """Create a new game | |
| 159 @param room_jid_param: jid of the room | |
| 160 @param profile_key: %(doc_profile_key)s""" | |
| 161 debug (_("Creating Radiocol")) | |
| 162 room_jid = jid.JID(room_jid_param) | |
| 163 profile = self.host.memory.getProfileName(profile_key) | |
| 164 if not profile: | |
| 165 error (_("profile %s is unknown") % profile_key) | |
| 166 return | |
| 167 if self.radios.has_key(room_jid): | |
| 168 warning (_("Radiocol already started in room %s") % room_jid.userhost()) | |
| 169 else: | |
| 170 room_nick = self.host.plugins["XEP-0045"].getRoomNick(room_jid.userhost(), profile) | |
| 171 if not room_nick: | |
| 172 error ('Internal error') | |
| 173 return | |
| 174 referee = room_jid.userhost() + '/' + room_nick | |
| 175 status = {} | |
| 176 occupants_data = {} | |
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177 self.radios[room_jid.userhost()] = {'referee':referee, 'queue':[], 'upload':True, 'playing': False, 'occupants_data':occupants_data} |
| 450 | 178 mess = self.createRadiocolElt(jid.JID(room_jid.userhost())) |
| 179 mess.firstChildElement().addChild(self.__create_started_elt()) | |
| 180 self.host.profiles[profile].xmlstream.send(mess) | |
| 181 | |
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182 def radiocolSongAdded(self, referee, song_path, profile): |
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183 """This method is called by libervia when a song has been uploaded |
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184 @param room_jid_param: jid of the room |
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185 @song_path: absolute path of the song added |
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186 @param profile_key: %(doc_profile_key)s""" |
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187 #XXX: this is a Q&D way for the proof of concept. In the future, the song should |
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188 # be streamed to the backend using XMPP file copy |
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189 # Here we cheat because we know we are on the same host, and we don't |
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190 # check data. Referee will have to parse the song himself to check it |
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191 client = self.host.getClient(profile) |
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192 if not client: |
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193 error(_("Can't access profile's data")) |
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194 return |
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195 try: |
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196 song = OggVorbis(song_path) |
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197 except OggVorbisHeaderError: |
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198 #this file is not ogg vorbis, we reject it |
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199 self.host.bridge.radiocolSongRejected(jid.JID(referee).userhost(), \ |
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200 "Uploaded file is not Ogg Vorbis song, only Ogg Vorbis songs are acceptable", profile) |
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201 """mess = self.createRadiocolElt(jid.JID(referee)) |
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202 reject_elt = mess.firstChildElement().addElement(('','song_rejected')) |
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203 reject_elt['sender'] = client.jid |
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204 reject_elt['reason'] = "Uploaded file is not Ogg Vorbis song, only Ogg Vorbis songs are acceptable" |
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205 #FIXME: add an error code |
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206 self.host.profiles[profile].xmlstream.send(mess)""" |
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207 return |
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208 title = song.get("title", ["Unknown"])[0] |
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209 artist = song.get("artist", ["Unknown"])[0] |
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210 album = song.get("album", ["Unknown"])[0] |
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211 length = song.info.length |
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212 mess = self.createRadiocolElt(jid.JID(referee)) |
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213 added_elt = mess.firstChildElement().addElement(('','song_added')) |
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214 added_elt['filename'] = os.path.basename(song_path) |
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215 added_elt['title'] = title |
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216 added_elt['artist'] = artist |
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217 added_elt['album'] = album |
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218 added_elt['length'] = str(length) |
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219 self.host.profiles[profile].xmlstream.send(mess) |
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220 return |
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221 |
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222 def playNext(self, room_jid, profile): |
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223 """"Play next sont in queue if exists, and put a timer |
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224 which trigger after the song has been played to play next one""" |
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225 #TODO: need to check that there are still peoples in the room |
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226 # and clean the datas/stop the playlist if it's not the case |
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227 #TODO: songs need to be erased once played or found invalids |
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228 radio_data = self.radios[room_jid.userhost()] |
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229 queue = radio_data['queue'] |
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230 if not queue: |
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231 #nothing left to play, we need to wait for uploads |
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232 radio_data['playing'] = False |
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233 return |
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234 |
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235 filename, length = queue.pop(0) |
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236 mess = self.createRadiocolElt(room_jid) |
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237 play_elt = mess.firstChildElement().addElement(('','play')) |
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238 play_elt['filename'] = filename |
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239 self.host.profiles[profile].xmlstream.send(mess) |
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240 |
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241 if not radio_data['upload'] and len(queue) < QUEUE_LIMIT: |
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242 #upload is blocked and we now have resources to get more, we reactivate it |
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243 mess = self.createRadiocolElt(room_jid) |
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244 no_upload_elt = mess.firstChildElement().addElement(('','upload_ok')) |
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245 self.host.profiles[profile].xmlstream.send(mess) |
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246 radio_data['upload'] = True |
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247 |
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248 print ("Playing next song in %s s" % length) |
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249 reactor.callLater(length, self.playNext, room_jid, profile) |
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250 |
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251 |
| 450 | 252 def radiocol_game_cmd(self, mess_elt, profile): |
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253 #FIXME: we should check sender (is it referee ?) here before accepting commands |
| 450 | 254 from_jid = jid.JID(mess_elt['from']) |
| 255 room_jid = jid.JID(from_jid.userhost()) | |
| 256 radio_elt = mess_elt.firstChildElement() | |
| 257 radio_data = self.radios[room_jid.userhost()] | |
| 258 occupants_data = radio_data['occupants_data'] | |
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259 queue = radio_data['queue'] |
| 450 | 260 |
| 261 for elt in radio_elt.elements(): | |
| 262 | |
| 263 if elt.name == 'started': #new game created | |
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264 self.host.bridge.radiocolStarted(room_jid.userhost(), from_jid.full(), profile) |
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265 elif elt.name == 'preload': #a song is in queue and must be preloaded |
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266 self.host.bridge.radiocolPreload(room_jid.userhost(), elt['filename'], elt['title'], elt['artist'], elt['album'], profile) |
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267 elif elt.name == 'play': |
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268 self.host.bridge.radiocolPlay(room_jid.userhost(), elt['filename'], profile) |
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269 elif elt.name == 'song_rejected': #a song has been refused |
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270 self.host.bridge.radiocolSongRejected(jid.JID(referee).userhost(), elt['reason'], profile) |
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271 elif elt.name == 'no_upload': |
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272 self.host.bridge.radiocolNoUpload(room_jid.userhost(), profile) |
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273 elif elt.name == 'upload_ok': |
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274 self.host.bridge.radiocolUploadOk(room_jid.userhost(), profile) |
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275 elif elt.name == 'song_added': #a song has been added |
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276 #FIXME: we are KISS for the proof of concept: every song is added, to a limit of 3 in queue. |
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277 # Need to manage some sort of rules to allow peoples to send songs |
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278 |
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279 if len(queue) >= QUEUE_LIMIT: |
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280 #there are already too many songs in queue, we reject this one |
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281 mess = self.createRadiocolElt(room_jid) |
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282 reject_elt = mess.firstChildElement().addElement(('','song_rejected')) |
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283 reject_elt['sender'] = from_jid.resource |
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284 reject_elt['reason'] = "Too many songs in queue" |
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285 #FIXME: add an error code |
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286 self.host.profiles[profile].xmlstream.send(mess) |
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287 return |
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288 |
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289 #The song is accepted and added in queue |
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290 queue.append((elt['filename'], float(elt['length']))) |
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291 |
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292 if len(queue) >= QUEUE_LIMIT: |
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293 #We are at the limit, we refuse new upload until next play |
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294 mess = self.createRadiocolElt(room_jid) |
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295 no_upload_elt = mess.firstChildElement().addElement(('','no_upload')) |
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296 #FIXME: add an error code |
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297 self.host.profiles[profile].xmlstream.send(mess) |
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298 radio_data['upload'] = False |
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299 |
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300 |
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301 mess = self.createRadiocolElt(room_jid) |
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302 preload_elt = self.__create_preload_elt(from_jid.resource, |
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303 elt['filename'], |
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304 elt['title'], |
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305 elt['artist'], |
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306 elt['album']) |
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307 mess.firstChildElement().addChild(preload_elt) |
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308 self.host.profiles[profile].xmlstream.send(mess) |
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309 if not radio_data['playing'] and len(queue) == 2: |
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310 #we have not started playing yet, and we have 2 songs in queue |
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311 #we can now start the party :) |
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312 radio_data['playing'] = True |
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313 self.playNext(room_jid, profile) |
| 450 | 314 else: |
| 315 error (_('Unmanaged game element: %s') % elt.name) | |
| 316 | |
| 317 def getHandler(self, profile): | |
| 318 return RadiocolHandler(self) | |
| 319 | |
| 320 class RadiocolHandler (XMPPHandler): | |
| 321 implements(iwokkel.IDisco) | |
| 322 | |
| 323 def __init__(self, plugin_parent): | |
| 324 self.plugin_parent = plugin_parent | |
| 325 self.host = plugin_parent.host | |
| 326 | |
| 327 def connectionInitialized(self): | |
| 328 self.xmlstream.addObserver(RADIOC_REQUEST, self.plugin_parent.radiocol_game_cmd, profile = self.parent.profile) | |
| 329 | |
| 330 def getDiscoInfo(self, requestor, target, nodeIdentifier=''): | |
| 331 return [disco.DiscoFeature(NC_RADIOCOL)] | |
| 332 | |
| 333 def getDiscoItems(self, requestor, target, nodeIdentifier=''): | |
| 334 return [] | |
| 335 |