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