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