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, fileExists, 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["PluginDownloadActions"] = ActionMap(["ColorActions"],
  37                 {
  38                         "red": self.delete,
  39                         "green": self.download
  40                 })
  41                 self["PluginDownloadActions"].setEnabled(False)
  42                 self.onFirstExecBegin.append(self.checkWarnings)
  43                 self.onShown.append(self.updateList)
  44
  45         def checkWarnings(self):
  46                 if len(plugins.warnings):
  47                         text = _("Some plugins are not available:\n")
  48                         for (pluginname, error) in plugins.warnings:
  49                                 text += _("%s (%s)\n") % (pluginname, error)
  50                         plugins.resetWarnings()
  51                         self.session.open(MessageBox, text = text, type = MessageBox.TYPE_WARNING)
  52
  53         def save(self):
  54                 self.run()
  55
  56         def run(self):
  57                 plugin = self["list"].l.getCurrentSelection()[0]
  58                 plugin(session=self.session)
  59
  60         def updateList(self):
  61                 self.pluginlist = plugins.getPlugins(PluginDescriptor.WHERE_PLUGINMENU)
  62                 self.list = [PluginEntryComponent(plugin) for plugin in self.pluginlist]
  63                 self["list"].l.setList(self.list)
  64                 if fileExists(resolveFilename(SCOPE_PLUGINS, "SystemPlugins/SoftwareManager/plugin.py")):
  65                         self["red"].setText("")
  66                         self["green"].setText("")
  67                         self["PluginDownloadActions"].setEnabled(False)
  68                 else:
  69                         self["red"].setText(_("Remove Plugins"))
  70                         self["green"].setText(_("Download Plugins"))
  71                         self["PluginDownloadActions"].setEnabled(True)
  72
  73         def delete(self):
  74                 self.session.openWithCallback(self.PluginDownloadBrowserClosed, PluginDownloadBrowser, PluginDownloadBrowser.REMOVE)
  75
  76         def download(self):
  77                 self.session.openWithCallback(self.PluginDownloadBrowserClosed, PluginDownloadBrowser, PluginDownloadBrowser.DOWNLOAD)
  78
  79         def PluginDownloadBrowserClosed(self):
  80                 self.updateList()
  81                 self.checkWarnings()
  82
  83
  84 class PluginDownloadBrowser(Screen):
  85         DOWNLOAD = 0
  86         REMOVE = 1
  87         lastDownloadDate = None
  88
  89         def __init__(self, session, type):
  90                 Screen.__init__(self, session)
  91
  92                 self.type = type
  93
  94                 self.container = eConsoleAppContainer()
  95                 self.container.appClosed.append(self.runFinished)
  96                 self.container.dataAvail.append(self.dataAvail)
  97                 self.onLayoutFinish.append(self.startRun)
  98                 self.onShown.append(self.setWindowTitle)
  99
 100                 self.list = []
 101                 self["list"] = PluginList(self.list)
 102                 self.pluginlist = []
 103                 self.expanded = []
 104                 self.installedplugins = []
 105
 106                 if self.type == self.DOWNLOAD:
 107                         self["text"] = Label(_("Downloading plugin information. Please wait..."))
 108                 elif self.type == self.REMOVE:
 109                         self["text"] = Label(_("Getting plugin information. Please wait..."))
 110
 111                 self.run = 0
 112
 113                 self.remainingdata = ""
 114
 115                 self["actions"] = ActionMap(["WizardActions"],
 116                 {
 117                         "ok": self.go,
 118                         "back": self.close,
 119                 })
 120
 121         def go(self):
 122                 sel = self["list"].l.getCurrentSelection()
 123
 124                 if sel is None:
 125                         return
 126
 127                 sel = sel[0]
 128                 if isinstance(sel, str): # category
 129                         if sel in self.expanded:
 130                                 self.expanded.remove(sel)
 131                         else:
 132                                 self.expanded.append(sel)
 133                         self.updateList()
 134                 else:
 135                         if self.type == self.DOWNLOAD:
 136                                 self.session.openWithCallback(self.runInstall, MessageBox, _("Do you really want to download\nthe plugin \"%s\"?") % sel.name)
 137                         elif self.type == self.REMOVE:
 138                                 self.session.openWithCallback(self.runInstall, MessageBox, _("Do you really want to REMOVE\nthe plugin \"%s\"?") % sel.name)
 139
 140         def runInstall(self, val):
 141                 if val:
 142                         if self.type == self.DOWNLOAD:
 143                                 self.session.openWithCallback(self.installFinished, Console, cmdlist = ["ipkg install " + "enigma2-plugin-" + self["list"].l.getCurrentSelection()[0].name])
 144                         elif self.type == self.REMOVE:
 145                                 self.session.openWithCallback(self.installFinished, Console, cmdlist = ["ipkg remove " + "enigma2-plugin-" + self["list"].l.getCurrentSelection()[0].name])
 146
 147         def setWindowTitle(self):
 148                 if self.type == self.DOWNLOAD:
 149                         self.setTitle(_("Downloadable new plugins"))
 150                 elif self.type == self.REMOVE:
 151                         self.setTitle(_("Remove plugins"))
 152
 153         def startIpkgListInstalled(self):
 154                 self.container.execute("ipkg list_installed enigma2-plugin-*")
 155
 156         def startIpkgListAvailable(self):
 157                 self.container.execute("ipkg list enigma2-plugin-*")
 158
 159         def startRun(self):
 160                 self["list"].instance.hide()
 161                 if self.type == self.DOWNLOAD:
 162                         if not PluginDownloadBrowser.lastDownloadDate or (time() - PluginDownloadBrowser.lastDownloadDate) > 3600:
 163                                 # Only update from internet once per hour
 164                                 self.container.execute("ipkg update")
 165                                 PluginDownloadBrowser.lastDownloadDate = time()
 166                         else:
 167                                 self.startIpkgListAvailable()
 168                 elif self.type == self.REMOVE:
 169                         self.run = 1
 170                         self.startIpkgListInstalled()
 171
 172         def installFinished(self):
 173                 plugins.readPluginList(resolveFilename(SCOPE_PLUGINS))
 174                 self.container.appClosed.remove(self.runFinished)
 175                 self.container.dataAvail.remove(self.dataAvail)
 176                 self.close()
 177
 178         def runFinished(self, retval):
 179                 self.remainingdata = ""
 180                 if self.run == 0:
 181                         self.run = 1
 182                         if self.type == self.DOWNLOAD:
 183                                 self.startIpkgListInstalled()
 184                 elif self.run == 1 and self.type == self.DOWNLOAD:
 185                         self.run = 2
 186                         self.startIpkgListAvailable()
 187                 else:
 188                         if len(self.pluginlist) > 0:
 189                                 self.updateList()
 190                                 self["list"].instance.show()
 191                         else:
 192                                 self["text"].setText("No new plugins found")
 193
 194         def dataAvail(self, str):
 195                 #prepend any remaining data from the previous call
 196                 str = self.remainingdata + str
 197                 #split in lines
 198                 lines = str.split('\n')
 199                 #'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
 200                 if len(lines[-1]):
 201                         #remember this data for next time
 202                         self.remainingdata = lines[-1]
 203                         lines = lines[0:-1]
 204                 else:
 205                         self.remainingdata = ""
 206
 207                 for x in lines:
 208                         plugin = x.split(" - ", 2)
 209                         if len(plugin) == 3:
 210                                 if self.run == 1 and self.type == self.DOWNLOAD:
 211                                         if plugin[0] not in self.installedplugins:
 212                                                 self.installedplugins.append(plugin[0])
 213                                 else:
 214                                         if plugin[0] not in self.installedplugins:
 215                                                 plugin.append(plugin[0][15:])
 216
 217                                                 self.pluginlist.append(plugin)
 218
 219         def updateList(self):
 220                 list = []
 221                 expandableIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/expandable-plugins.png"))
 222                 expandedIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/expanded-plugins.png"))
 223                 verticallineIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/verticalline-plugins.png"))
 224
 225                 self.plugins = {}
 226                 for x in self.pluginlist:
 227                         split = x[3].split('-', 1)
 228                         if len(split) < 2:
 229                                 continue
 230                         if not self.plugins.has_key(split[0]):
 231                                 self.plugins[split[0]] = []
 232
 233                         self.plugins[split[0]].append((PluginDescriptor(name = x[3], description = x[2], icon = verticallineIcon), split[1]))
 234
 235                 for x in self.plugins.keys():
 236                         if x in self.expanded:
 237                                 list.append(PluginCategoryComponent(x, expandedIcon))
 238                                 list.extend([PluginDownloadComponent(plugin[0], plugin[1]) for plugin in self.plugins[x]])
 239                         else:
 240                                 list.append(PluginCategoryComponent(x, expandableIcon))
 241                 self.list = list
 242                 self["list"].l.setList(list)
 243
 244 language.addCallback(languageChanged)