lib/python/Screens/PluginBrowser.py

   1 from Screen import Screen
   2 from Components.Language import language
   3 from enigma import eConsoleAppContainer
   4
   5 from Components.ActionMap import ActionMap
   6 from Components.PluginComponent import plugins
   7 from Components.PluginList import *
   8 from Components.Label import Label
   9 from Screens.MessageBox import MessageBox
  10 from Screens.Console import Console
  11 from Plugins.Plugin import PluginDescriptor
  12 from Tools.Directories import resolveFilename, SCOPE_PLUGINS, SCOPE_SKIN_IMAGE
  13 from Tools.LoadPixmap import LoadPixmap
  14
  15 from time import time
  16
  17 def languageChanged():
  18         plugins.clearPluginList()
  19         plugins.readPluginList(resolveFilename(SCOPE_PLUGINS))
  20
  21 class PluginBrowser(Screen):
  22         def __init__(self, session):
  23                 Screen.__init__(self, session)
  24
  25                 self["red"] = Label(_("Remove Plugins"))
  26                 self["green"] = Label(_("Download Plugins"))
  27
  28                 self.list = []
  29                 self["list"] = PluginList(self.list)
  30
  31                 self["actions"] = ActionMap(["WizardActions", "ColorActions"],
  32                 {
  33                         "ok": self.save,
  34                         "back": self.close,
  35                         "red": self.delete,
  36                         "green": self.download
  37                 })
  38                 self.onFirstExecBegin.append(self.checkWarnings)
  39                 self.onShown.append(self.updateList)
  40
  41         def checkWarnings(self):
  42                 if len(plugins.warnings):
  43                         text = _("Some plugins are not available:\n")
  44                         for (pluginname, error) in plugins.warnings:
  45                                 text += _("%s (%s)\n") % (pluginname, error)
  46                         plugins.resetWarnings()
  47                         self.session.open(MessageBox, text = text, type = MessageBox.TYPE_WARNING)
  48
  49         def save(self):
  50                 #self.close()
  51                 self.run()
  52
  53         def run(self):
  54                 plugin = self["list"].l.getCurrentSelection()[0]
  55                 plugin(session=self.session)
  56
  57         def updateList(self):
  58                 self.pluginlist = plugins.getPlugins(PluginDescriptor.WHERE_PLUGINMENU)
  59                 self.list = [PluginEntryComponent(plugin) for plugin in self.pluginlist]
  60                 self["list"].l.setList(self.list)
  61
  62         def delete(self):
  63                 self.session.openWithCallback(self.PluginDownloadBrowserClosed, PluginDownloadBrowser, PluginDownloadBrowser.REMOVE)
  64
  65         def download(self):
  66                 self.session.openWithCallback(self.PluginDownloadBrowserClosed, PluginDownloadBrowser, PluginDownloadBrowser.DOWNLOAD)
  67
  68         def PluginDownloadBrowserClosed(self):
  69                 self.updateList()
  70                 self.checkWarnings()
  71
  72
  73 class PluginDownloadBrowser(Screen):
  74         DOWNLOAD = 0
  75         REMOVE = 1
  76         lastDownloadDate = None
  77
  78         def __init__(self, session, type):
  79                 Screen.__init__(self, session)
  80
  81                 self.type = type
  82
  83                 self.container = eConsoleAppContainer()
  84                 self.container.appClosed.append(self.runFinished)
  85                 self.container.dataAvail.append(self.dataAvail)
  86                 self.onLayoutFinish.append(self.startRun)
  87                 self.onShown.append(self.setWindowTitle)
  88
  89                 self.list = []
  90                 self["list"] = PluginList(self.list)
  91                 self.pluginlist = []
  92                 self.expanded = []
  93                 self.installedplugins = []
  94
  95                 if self.type == self.DOWNLOAD:
  96                         self["text"] = Label(_("Downloading plugin information. Please wait..."))
  97                 elif self.type == self.REMOVE:
  98                         self["text"] = Label(_("Getting plugin information. Please wait..."))
  99
 100                 self.run = 0
 101
 102                 self.remainingdata = ""
 103
 104                 self["actions"] = ActionMap(["WizardActions"],
 105                 {
 106                         "ok": self.go,
 107                         "back": self.close,
 108                 })
 109
 110         def go(self):
 111                 sel = self["list"].l.getCurrentSelection()
 112
 113                 if sel is None:
 114                         return
 115
 116                 sel = sel[0]
 117                 if isinstance(sel, str): # category
 118                         if sel in self.expanded:
 119                                 self.expanded.remove(sel)
 120                         else:
 121                                 self.expanded.append(sel)
 122                         self.updateList()
 123                 else:
 124                         if self.type == self.DOWNLOAD:
 125                                 self.session.openWithCallback(self.runInstall, MessageBox, _("Do you really want to download\nthe plugin \"%s\"?") % sel.name)
 126                         elif self.type == self.REMOVE:
 127                                 self.session.openWithCallback(self.runInstall, MessageBox, _("Do you really want to REMOVE\nthe plugin \"%s\"?") % sel.name)
 128
 129         def runInstall(self, val):
 130                 if val:
 131                         if self.type == self.DOWNLOAD:
 132                                 self.session.openWithCallback(self.installFinished, Console, cmdlist = ["ipkg install " + "enigma2-plugin-" + self["list"].l.getCurrentSelection()[0].name])
 133                         elif self.type == self.REMOVE:
 134                                 self.session.openWithCallback(self.installFinished, Console, cmdlist = ["ipkg remove " + "enigma2-plugin-" + self["list"].l.getCurrentSelection()[0].name])
 135
 136         def setWindowTitle(self):
 137                 if self.type == self.DOWNLOAD:
 138                         self.setTitle(_("Downloadable new plugins"))
 139                 elif self.type == self.REMOVE:
 140                         self.setTitle(_("Remove plugins"))
 141
 142         def startIpkgListInstalled(self):
 143                 self.container.execute("ipkg list_installed enigma2-plugin-*")
 144
 145         def startIpkgListAvailable(self):
 146                 self.container.execute("ipkg list enigma2-plugin-*")
 147
 148         def startRun(self):
 149                 self["list"].instance.hide()
 150                 if self.type == self.DOWNLOAD:
 151                         if not PluginDownloadBrowser.lastDownloadDate or (time() - PluginDownloadBrowser.lastDownloadDate) > 3600:
 152                                 # Only update from internet once per hour
 153                                 self.container.execute("ipkg update")
 154                                 PluginDownloadBrowser.lastDownloadDate = time()
 155                         else:
 156                                 self.startIpkgListAvailable()
 157                 elif self.type == self.REMOVE:
 158                         self.run = 1
 159                         self.startIpkgListInstalled()
 160
 161         def installFinished(self):
 162                 plugins.readPluginList(resolveFilename(SCOPE_PLUGINS))
 163                 self.container.appClosed.remove(self.runFinished)
 164                 self.container.dataAvail.remove(self.dataAvail)
 165                 self.close()
 166
 167         def runFinished(self, retval):
 168                 self.remainingdata = ""
 169                 if self.run == 0:
 170                         self.run = 1
 171                         if self.type == self.DOWNLOAD:
 172                                 self.startIpkgListInstalled()
 173                 elif self.run == 1 and self.type == self.DOWNLOAD:
 174                         self.run = 2
 175                         self.startIpkgListAvailable()
 176                 else:
 177                         if len(self.pluginlist) > 0:
 178                                 self.updateList()
 179                                 self["list"].instance.show()
 180                         else:
 181                                 self["text"].setText("No new plugins found")
 182
 183         def dataAvail(self, str):
 184                 #prepend any remaining data from the previous call
 185                 str = self.remainingdata + str
 186                 #split in lines
 187                 lines = str.split('\n')
 188                 #'str' should end with '\n', so when splitting, the last line should be empty. If this is not the case, we received an incomplete line
 189                 if len(lines[-1]):
 190                         #remember this data for next time
 191                         self.remainingdata = lines[-1]
 192                         lines = lines[0:-1]
 193                 else:
 194                         self.remainingdata = ""
 195
 196                 for x in lines:
 197                         plugin = x.split(" - ", 2)
 198                         if len(plugin) == 3:
 199                                 if self.run == 1 and self.type == self.DOWNLOAD:
 200                                         if plugin[0] not in self.installedplugins:
 201                                                 self.installedplugins.append(plugin[0])
 202                                 else:
 203                                         if plugin[0] not in self.installedplugins:
 204                                                 plugin.append(plugin[0][15:])
 205
 206                                                 self.pluginlist.append(plugin)
 207
 208         def updateList(self):
 209                 list = []
 210                 expandableIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/expandable-plugins.png"))
 211                 expandedIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/expanded-plugins.png"))
 212                 verticallineIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/verticalline-plugins.png"))
 213
 214                 self.plugins = {}
 215                 for x in self.pluginlist:
 216                         split = x[3].split('-', 1)
 217                         if len(split) < 2:
 218                                 continue
 219                         if not self.plugins.has_key(split[0]):
 220                                 self.plugins[split[0]] = []
 221
 222                         self.plugins[split[0]].append((PluginDescriptor(name = x[3], description = x[2], icon = verticallineIcon), split[1]))
 223
 224                 for x in self.plugins.keys():
 225                         if x in self.expanded:
 226                                 list.append(PluginCategoryComponent(x, expandedIcon))
 227                                 list.extend([PluginDownloadComponent(plugin[0], plugin[1]) for plugin in self.plugins[x]])
 228                         else:
 229                                 list.append(PluginCategoryComponent(x, expandableIcon))
 230                 self.list = list
 231                 self["list"].l.setList(list)
 232
 233 language.addCallback(languageChanged)