lib/python/Screens/PluginBrowser.py

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