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["SoftwareActions"] = ActionMap(["ColorActions"],
  42                 {
  43                         "red": self.openExtensionmanager
  44                 })
  45                 self["PluginDownloadActions"].setEnabled(False)
  46                 self["SoftwareActions"].setEnabled(False)
  47                 self.onFirstExecBegin.append(self.checkWarnings)
  48                 self.onShown.append(self.updateList)
  49
  50         def checkWarnings(self):
  51                 if len(plugins.warnings):
  52                         text = _("Some plugins are not available:\n")
  53                         for (pluginname, error) in plugins.warnings:
  54                                 text += _("%s (%s)\n") % (pluginname, error)
  55                         plugins.resetWarnings()
  56                         self.session.open(MessageBox, text = text, type = MessageBox.TYPE_WARNING)
  57
  58         def save(self):
  59                 self.run()
  60
  61         def run(self):
  62                 plugin = self["list"].l.getCurrentSelection()[0]
  63                 plugin(session=self.session)
  64
  65         def updateList(self):
  66                 self.pluginlist = plugins.getPlugins(PluginDescriptor.WHERE_PLUGINMENU)
  67                 self.list = [PluginEntryComponent(plugin) for plugin in self.pluginlist]
  68                 self["list"].l.setList(self.list)
  69                 if fileExists(resolveFilename(SCOPE_PLUGINS, "SystemPlugins/SoftwareManager/plugin.py")):
  70                         self["red"].setText(_("Manage extensions"))
  71                         self["green"].setText("")
  72                         self["SoftwareActions"].setEnabled(True)
  73                         self["PluginDownloadActions"].setEnabled(False)
  74                 else:
  75                         self["red"].setText(_("Remove Plugins"))
  76                         self["green"].setText(_("Download Plugins"))
  77                         self["SoftwareActions"].setEnabled(False)
  78                         self["PluginDownloadActions"].setEnabled(True)
  79
  80         def delete(self):
  81                 self.session.openWithCallback(self.PluginDownloadBrowserClosed, PluginDownloadBrowser, PluginDownloadBrowser.REMOVE)
  82
  83         def download(self):
  84                 self.session.openWithCallback(self.PluginDownloadBrowserClosed, PluginDownloadBrowser, PluginDownloadBrowser.DOWNLOAD)
  85
  86         def PluginDownloadBrowserClosed(self):
  87                 self.updateList()
  88                 self.checkWarnings()
  89
  90         def openExtensionmanager(self):
  91                 if fileExists(resolveFilename(SCOPE_PLUGINS, "SystemPlugins/SoftwareManager/plugin.py")):
  92                         try:
  93                                 from Plugins.SystemPlugins.SoftwareManager.plugin import PluginManager
  94                         except ImportError:
  95                                 self.session.open(MessageBox, _("The Softwaremanagement extension is not installed!\nPlease install it."), type = MessageBox.TYPE_INFO,timeout = 10 )
  96                         else:
  97                                 self.session.openWithCallback(self.PluginDownloadBrowserClosed, PluginManager)
  98
  99 class PluginDownloadBrowser(Screen):
 100         DOWNLOAD = 0
 101         REMOVE = 1
 102         lastDownloadDate = None
 103
 104         def __init__(self, session, type):
 105                 Screen.__init__(self, session)
 106
 107                 self.type = type
 108
 109                 self.container = eConsoleAppContainer()
 110                 self.container.appClosed.append(self.runFinished)
 111                 self.container.dataAvail.append(self.dataAvail)
 112                 self.onLayoutFinish.append(self.startRun)
 113                 self.onShown.append(self.setWindowTitle)
 114
 115                 self.list = []
 116                 self["list"] = PluginList(self.list)
 117                 self.pluginlist = []
 118                 self.expanded = []
 119                 self.installedplugins = []
 120
 121                 if self.type == self.DOWNLOAD:
 122                         self["text"] = Label(_("Downloading plugin information. Please wait..."))
 123                 elif self.type == self.REMOVE:
 124                         self["text"] = Label(_("Getting plugin information. Please wait..."))
 125
 126                 self.run = 0
 127
 128                 self.remainingdata = ""
 129
 130                 self["actions"] = ActionMap(["WizardActions"],
 131                 {
 132                         "ok": self.go,
 133                         "back": self.close,
 134                 })
 135
 136         def go(self):
 137                 sel = self["list"].l.getCurrentSelection()
 138
 139                 if sel is None:
 140                         return
 141
 142                 sel = sel[0]
 143                 if isinstance(sel, str): # category
 144                         if sel in self.expanded:
 145                                 self.expanded.remove(sel)
 146                         else:
 147                                 self.expanded.append(sel)
 148                         self.updateList()
 149                 else:
 150                         if self.type == self.DOWNLOAD:
 151                                 self.session.openWithCallback(self.runInstall, MessageBox, _("Do you really want to download\nthe plugin \"%s\"?") % sel.name)
 152                         elif self.type == self.REMOVE:
 153                                 self.session.openWithCallback(self.runInstall, MessageBox, _("Do you really want to REMOVE\nthe plugin \"%s\"?") % sel.name)
 154
 155         def runInstall(self, val):
 156                 if val:
 157                         if self.type == self.DOWNLOAD:
 158                                 self.session.openWithCallback(self.installFinished, Console, cmdlist = ["ipkg install " + "enigma2-plugin-" + self["list"].l.getCurrentSelection()[0].name])
 159                         elif self.type == self.REMOVE:
 160                                 self.session.openWithCallback(self.installFinished, Console, cmdlist = ["ipkg remove " + "enigma2-plugin-" + self["list"].l.getCurrentSelection()[0].name])
 161
 162         def setWindowTitle(self):
 163                 if self.type == self.DOWNLOAD:
 164                         self.setTitle(_("Downloadable new plugins"))
 165                 elif self.type == self.REMOVE:
 166                         self.setTitle(_("Remove plugins"))
 167
 168         def startIpkgListInstalled(self):
 169                 self.container.execute("ipkg list_installed enigma2-plugin-*")
 170
 171         def startIpkgListAvailable(self):
 172                 self.container.execute("ipkg list enigma2-plugin-*")
 173
 174         def startRun(self):
 175                 self["list"].instance.hide()
 176                 if self.type == self.DOWNLOAD:
 177                         if not PluginDownloadBrowser.lastDownloadDate or (time() - PluginDownloadBrowser.lastDownloadDate) > 3600:
 178                                 # Only update from internet once per hour
 179                                 self.container.execute("ipkg update")
 180                                 PluginDownloadBrowser.lastDownloadDate = time()
 181                         else:
 182                                 self.startIpkgListAvailable()
 183                 elif self.type == self.REMOVE:
 184                         self.run = 1
 185                         self.startIpkgListInstalled()
 186
 187         def installFinished(self):
 188                 plugins.readPluginList(resolveFilename(SCOPE_PLUGINS))
 189                 self.container.appClosed.remove(self.runFinished)
 190                 self.container.dataAvail.remove(self.dataAvail)
 191                 self.close()
 192
 193         def runFinished(self, retval):
 194                 self.remainingdata = ""
 195                 if self.run == 0:
 196                         self.run = 1
 197                         if self.type == self.DOWNLOAD:
 198                                 self.startIpkgListInstalled()
 199                 elif self.run == 1 and self.type == self.DOWNLOAD:
 200                         self.run = 2
 201                         self.startIpkgListAvailable()
 202                 else:
 203                         if len(self.pluginlist) > 0:
 204                                 self.updateList()
 205                                 self["list"].instance.show()
 206                         else:
 207                                 self["text"].setText("No new plugins found")
 208
 209         def dataAvail(self, str):
 210                 #prepend any remaining data from the previous call
 211                 str = self.remainingdata + str
 212                 #split in lines
 213                 lines = str.split('\n')
 214                 #'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
 215                 if len(lines[-1]):
 216                         #remember this data for next time
 217                         self.remainingdata = lines[-1]
 218                         lines = lines[0:-1]
 219                 else:
 220                         self.remainingdata = ""
 221
 222                 for x in lines:
 223                         plugin = x.split(" - ", 2)
 224                         if len(plugin) == 3:
 225                                 if self.run == 1 and self.type == self.DOWNLOAD:
 226                                         if plugin[0] not in self.installedplugins:
 227                                                 self.installedplugins.append(plugin[0])
 228                                 else:
 229                                         if plugin[0] not in self.installedplugins:
 230                                                 plugin.append(plugin[0][15:])
 231
 232                                                 self.pluginlist.append(plugin)
 233
 234         def updateList(self):
 235                 list = []
 236                 expandableIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/expandable-plugins.png"))
 237                 expandedIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/expanded-plugins.png"))
 238                 verticallineIcon = LoadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, "skin_default/verticalline-plugins.png"))
 239
 240                 self.plugins = {}
 241                 for x in self.pluginlist:
 242                         split = x[3].split('-', 1)
 243                         if len(split) < 2:
 244                                 continue
 245                         if not self.plugins.has_key(split[0]):
 246                                 self.plugins[split[0]] = []
 247
 248                         self.plugins[split[0]].append((PluginDescriptor(name = x[3], description = x[2], icon = verticallineIcon), split[1]))
 249
 250                 for x in self.plugins.keys():
 251                         if x in self.expanded:
 252                                 list.append(PluginCategoryComponent(x, expandedIcon))
 253                                 list.extend([PluginDownloadComponent(plugin[0], plugin[1]) for plugin in self.plugins[x]])
 254                         else:
 255                                 list.append(PluginCategoryComponent(x, expandableIcon))
 256                 self.list = list
 257                 self["list"].l.setList(list)
 258
 259 language.addCallback(languageChanged)