lib/python/Components/DreamInfoHandler.py

   1 # -*- coding: iso-8859-1 -*-
   2 import xml.sax
   3 from Tools.Directories import crawlDirectory, resolveFilename, SCOPE_CONFIG, SCOPE_SKIN, SCOPE_METADIR, copyfile, copytree
   4 from Components.NimManager import nimmanager
   5 from Components.Ipkg import IpkgComponent
   6 from Components.config import config, configfile
   7 from Tools.HardwareInfo import HardwareInfo
   8 from enigma import eConsoleAppContainer, eDVBDB
   9 import os
  10 from re import compile as re_compile, search as re_search, IGNORECASE
  11
  12 class InfoHandlerParseError(Exception):
  13         def __init__(self, value):
  14                 self.value = value
  15         def __str__(self):
  16                 return repr(self.value)
  17
  18 class InfoHandler(xml.sax.ContentHandler):
  19         def __init__(self, prerequisiteMet, directory, language = None):
  20                 self.attributes = {}
  21                 self.directory = directory
  22                 self.list = []
  23                 self.globalprerequisites = {}
  24                 self.prerequisites = {}
  25                 self.elements = []
  26                 self.validFileTypes = ["skin", "config", "services", "favourites", "package"]
  27                 self.prerequisitesMet = prerequisiteMet
  28                 self.data = ""
  29                 self.language = language
  30                 self.translatedPackageInfos = {}
  31                 self.foundTranslation = None
  32
  33         def printError(self, error):
  34                 print "Error in defaults xml files:", error
  35                 raise InfoHandlerParseError, error
  36
  37         def startElement(self, name, attrs):
  38                 #print name, ":", attrs.items()
  39                 self.elements.append(name)
  40
  41                 if name in ("hardware", "bcastsystem", "satellite", "tag", "flag"):
  42                         if not attrs.has_key("type"):
  43                                         self.printError(str(name) + " tag with no type attribute")
  44                         if self.elements[-3] in ("default", "package"):
  45                                 prerequisites = self.globalprerequisites
  46                         else:
  47                                 prerequisites = self.prerequisites
  48                         if not prerequisites.has_key(name):
  49                                 prerequisites[name] = []
  50                         prerequisites[name].append(str(attrs["type"]))
  51
  52                 if name == "info":
  53                         if not attrs.has_key("language"):
  54                                         self.printError(str(name) + " tag with no language attribute")
  55                         else:
  56                                 if attrs["language"] == 'en': # read default translations
  57                                         self.foundTranslation = False
  58                                         self.data = ""
  59                                 elif attrs["language"] == self.language:
  60                                         self.foundTranslation = True
  61                                         self.data = ""
  62                                 else:
  63                                         self.foundTranslation = None
  64                                         self.data = ""
  65
  66                 if name == "files":
  67                         if attrs.has_key("type"):
  68                                 if attrs["type"] == "directories":
  69                                         self.attributes["filestype"] = "directories"
  70                                 elif attrs["type"] == "package":
  71                                         self.attributes["filestype"] = "package"
  72                                 # TODO add a compressed archive type
  73
  74                 if name == "file":
  75                         self.prerequisites = {}
  76                         if not attrs.has_key("type"):
  77                                 self.printError("file tag with no type attribute")
  78                         else:
  79                                 if not attrs.has_key("name"):
  80                                         self.printError("file tag with no name attribute")
  81                                 else:
  82                                         if not attrs.has_key("directory"):
  83                                                 directory = self.directory
  84                                         type = attrs["type"]
  85                                         if not type in self.validFileTypes:
  86                                                 self.printError("file tag with invalid type attribute")
  87                                         else:
  88                                                 self.filetype = type
  89                                                 self.fileattrs = attrs
  90
  91                 if name == "package":
  92                         if attrs.has_key("details"):
  93                                 self.attributes["details"] = str(attrs["details"])
  94                         if attrs.has_key("name"):
  95                                 self.attributes["name"] = str(attrs["name"].encode("utf-8"))
  96                         if attrs.has_key("packagename"):
  97                                 self.attributes["packagename"] = str(attrs["packagename"].encode("utf-8"))
  98                         if attrs.has_key("shortdescription"):
  99                                 self.attributes["shortdescription"] = str(attrs["shortdescription"].encode("utf-8"))
 100
 101                 if name == "screenshot":
 102                         if attrs.has_key("src"):
 103                                 if self.foundTranslation is False:
 104                                         self.attributes["screenshot"] = str(attrs["src"])
 105                                 elif self.foundTranslation is True:
 106                                         self.translatedPackageInfos["screenshot"] = str(attrs["src"])
 107
 108         def endElement(self, name):
 109                 #print "endElement", name
 110                 #print "self.elements:", self.elements
 111                 self.elements.pop()
 112                 if name == "file":
 113                         #print "prerequisites:", self.prerequisites
 114                         if len(self.prerequisites) == 0 or self.prerequisitesMet(self.prerequisites):
 115                                 if not self.attributes.has_key(self.filetype):
 116                                         self.attributes[self.filetype] = []
 117                                 if self.fileattrs.has_key("directory"):
 118                                         directory = str(self.fileattrs["directory"])
 119                                         if len(directory) < 1 or directory[0] != "/":
 120                                                 directory = self.directory + directory
 121                                 else:
 122                                         directory = self.directory
 123                                 self.attributes[self.filetype].append({ "name": str(self.fileattrs["name"]), "directory": directory })
 124
 125                 if name in ( "default", "package" ):
 126                         self.list.append({"attributes": self.attributes, 'prerequisites': self.globalprerequisites ,"translation": self.translatedPackageInfos})
 127                         self.attributes = {}
 128                         self.globalprerequisites = {}
 129
 130         def characters(self, data):
 131                 if self.elements[-1] == "author":
 132                         self.attributes["author"] = str(data)
 133                 if self.elements[-1] == "name":
 134                         self.attributes["name"] = str(data)
 135                 if self.foundTranslation is False:
 136                         if self.elements[-1] == "author":
 137                                 self.attributes["author"] = str(data)
 138                         if self.elements[-1] == "name":
 139                                 self.attributes["name"] = str(data)
 140                         if self.elements[-1] == "packagename":
 141                                 self.attributes["packagename"] = str(data.encode("utf-8"))
 142                         if self.elements[-1] == "shortdescription":
 143                                 self.attributes["shortdescription"] = str(data.encode("utf-8"))
 144                         if self.elements[-1] == "description":
 145                                 self.data += data.strip()
 146                                 self.attributes["description"] = str(self.data.encode("utf-8"))
 147                 elif self.foundTranslation is True:
 148                         if self.elements[-1] == "author":
 149                                 self.translatedPackageInfos["author"] = str(data)
 150                         if self.elements[-1] == "name":
 151                                 self.translatedPackageInfos["name"] = str(data)
 152                         if self.elements[-1] == "description":
 153                                 self.data += data.strip()
 154                                 self.translatedPackageInfos["description"] = str(self.data.encode("utf-8"))
 155                         if self.elements[-1] == "name":
 156                                 self.translatedPackageInfos["name"] = str(data.encode("utf-8"))
 157                         if self.elements[-1] == "shortdescription":
 158                                 self.translatedPackageInfos["shortdescription"] = str(data.encode("utf-8"))
 159                 #print "characters", data
 160
 161
 162 class DreamInfoHandler:
 163         STATUS_WORKING = 0
 164         STATUS_DONE = 1
 165         STATUS_ERROR = 2
 166         STATUS_INIT = 4
 167
 168         def __init__(self, statusCallback, blocking = False, neededTag = None, neededFlag = None, language = None):
 169                 self.hardware_info = HardwareInfo()
 170                 self.directory = "/"
 171
 172                 self.neededTag = neededTag
 173                 self.neededFlag = neededFlag
 174                 self.language = language
 175
 176                 # caution: blocking should only be used, if further execution in enigma2 depends on the outcome of
 177                 # the installer!
 178                 self.blocking = blocking
 179
 180                 self.currentlyInstallingMetaIndex = None
 181
 182                 self.console = eConsoleAppContainer()
 183                 self.console.appClosed.append(self.installNext)
 184                 self.reloadFavourites = False
 185
 186                 self.statusCallback = statusCallback
 187                 self.setStatus(self.STATUS_INIT)
 188
 189                 self.packageslist = []
 190                 self.packagesIndexlist = []
 191                 self.packageDetails = []
 192
 193         def readInfo(self, directory, file):
 194                 print "Reading .info file", file
 195                 handler = InfoHandler(self.prerequisiteMet, directory)
 196                 try:
 197                         xml.sax.parse(file, handler)
 198                         for entry in handler.list:
 199                                 self.packageslist.append((entry,file))
 200                 except InfoHandlerParseError:
 201                         print "file", file, "ignored due to errors in the file"
 202                 #print handler.list
 203
 204         def readIndex(self, directory, file):
 205                 print "Reading .xml meta index file", file
 206                 handler = InfoHandler(self.prerequisiteMet, directory, self.language)
 207                 try:
 208                         xml.sax.parse(file, handler)
 209                         for entry in handler.list:
 210                                 self.packagesIndexlist.append((entry,file))
 211                 except InfoHandlerParseError:
 212                         print "file", file, "ignored due to errors in the file"
 213                 #print handler.list
 214
 215         def readDetails(self, directory, file):
 216                 self.packageDetails = []
 217                 print "Reading .xml meta details file", file
 218                 handler = InfoHandler(self.prerequisiteMet, directory, self.language)
 219                 try:
 220                         xml.sax.parse(file, handler)
 221                         for entry in handler.list:
 222                                 self.packageDetails.append((entry,file))
 223                 except InfoHandlerParseError:
 224                         print "file", file, "ignored due to errors in the file"
 225                 #print handler.list
 226
 227
 228         # prerequisites = True: give only packages matching the prerequisites
 229         def fillPackagesList(self, prerequisites = True):
 230                 self.packageslist = []
 231                 packages = []
 232                 if not isinstance(self.directory, list):
 233                         self.directory = [self.directory]
 234
 235                 for directory in self.directory:
 236                         packages += crawlDirectory(directory, ".*\.info$")
 237
 238                 for package in packages:
 239                         self.readInfo(package[0] + "/", package[0] + "/" + package[1])
 240
 241                 if prerequisites:
 242                         for package in self.packageslist[:]:
 243                                 if not self.prerequisiteMet(package[0]["prerequisites"]):
 244                                         self.packageslist.remove(package)
 245                 return self.packageslist
 246
 247         # prerequisites = True: give only packages matching the prerequisites
 248         def fillPackagesIndexList(self, prerequisites = True):
 249                 self.packagesIndexlist = []
 250                 indexfileList = []
 251
 252                 if not isinstance(self.directory, list):
 253                         self.directory = [self.directory]
 254
 255                 for indexfile in os.listdir(self.directory[0]):
 256                         if indexfile.startswith("index"):
 257                                 if os.path.splitext(indexfile)[0][-3:-2] is not "_": #we first catch all non translated indexfiles
 258                                         indexfileList.append(os.path.splitext(indexfile)[0])
 259
 260                 if len(indexfileList):
 261                         for file in indexfileList:
 262                                 neededFile = self.directory[0] + "/" + file
 263                                 if self.language is not None:
 264                                         if os.path.exists(neededFile + '_' + self.language + '.xml' ):
 265                                                 #print "translated index file found",neededFile + '_' + self.language + '.xml'
 266                                                 self.readIndex(self.directory[0] + "/", neededFile + '_' + self.language + '.xml')
 267                                         else:
 268                                                 #print "reading original index file"
 269                                                 self.readIndex(self.directory[0] + "/", neededFile + '.xml')
 270
 271                 if prerequisites:
 272                         for package in self.packagesIndexlist[:]:
 273                                 if not self.prerequisiteMet(package[0]["prerequisites"]):
 274                                         self.packagesIndexlist.remove(package)
 275                 return self.packagesIndexlist
 276
 277         # prerequisites = True: give only packages matching the prerequisites
 278         def fillPackageDetails(self, details = None):
 279                 self.packageDetails = []
 280                 detailsfile = details
 281                 if not isinstance(self.directory, list):
 282                         self.directory = [self.directory]
 283                 self.readDetails(self.directory[0] + "/", self.directory[0] + "/" + detailsfile)
 284                 return self.packageDetails
 285
 286         def prerequisiteMet(self, prerequisites):
 287                 # TODO: we need to implement a hardware detection here...
 288                 print "prerequisites:", prerequisites
 289                 met = True
 290                 if self.neededTag is None:
 291                         if prerequisites.has_key("tag"):
 292                                 return False
 293                 elif self.neededTag == 'ALL_TAGS':
 294                                 return True
 295                 else:
 296                         if prerequisites.has_key("tag"):
 297                                 if not self.neededTag in prerequisites["tag"]:
 298                                         return False
 299                         else:
 300                                 return False
 301
 302                 if self.neededFlag is None:
 303                         if prerequisites.has_key("flag"):
 304                                 return False
 305                 else:
 306                         if prerequisites.has_key("flag"):
 307                                 if not self.neededFlag in prerequisites["flag"]:
 308                                         return False
 309                         else:
 310                                 return True # No flag found, assuming all flags valid
 311
 312                 if prerequisites.has_key("satellite"):
 313                         for sat in prerequisites["satellite"]:
 314                                 if int(sat) not in nimmanager.getConfiguredSats():
 315                                         return False
 316                 if prerequisites.has_key("bcastsystem"):
 317                         has_system = False
 318                         for bcastsystem in prerequisites["bcastsystem"]:
 319                                 if nimmanager.hasNimType(bcastsystem):
 320                                         has_system = True
 321                         if not has_system:
 322                                 return False
 323                 if prerequisites.has_key("hardware"):
 324                         hardware_found = False
 325                         for hardware in prerequisites["hardware"]:
 326                                 if hardware == self.hardware_info.device_name:
 327                                         hardware_found = True
 328                         if not hardware_found:
 329                                 return False
 330                 return True
 331
 332         def installPackages(self, indexes):
 333                 print "installing packages", indexes
 334                 if len(indexes) == 0:
 335                         self.setStatus(self.STATUS_DONE)
 336                         return
 337                 self.installIndexes = indexes
 338                 print "+++++++++++++++++++++++bla"
 339                 self.currentlyInstallingMetaIndex = 0
 340                 self.installPackage(self.installIndexes[self.currentlyInstallingMetaIndex])
 341
 342         def installPackage(self, index):
 343                 print "self.packageslist:", self.packageslist
 344                 if len(self.packageslist) <= index:
 345                         print "no package with index", index, "found... installing nothing"
 346                         return
 347                 print "installing package with index", index, "and name", self.packageslist[index][0]["attributes"]["name"]
 348
 349                 attributes = self.packageslist[index][0]["attributes"]
 350                 self.installingAttributes = attributes
 351                 self.attributeNames = ["skin", "config", "favourites", "package", "services"]
 352                 self.currentAttributeIndex = 0
 353                 self.currentIndex = -1
 354                 self.installNext()
 355
 356         def setStatus(self, status):
 357                 self.status = status
 358                 self.statusCallback(self.status, None)
 359
 360         def installNext(self, *args, **kwargs):
 361                 if self.reloadFavourites:
 362                         self.reloadFavourites = False
 363                         db = eDVBDB.getInstance().reloadBouquets()
 364
 365                 self.currentIndex += 1
 366                 attributes = self.installingAttributes
 367                 #print "attributes:", attributes
 368
 369                 if self.currentAttributeIndex >= len(self.attributeNames): # end of package reached
 370                         print "end of package reached"
 371                         if self.currentlyInstallingMetaIndex is None or self.currentlyInstallingMetaIndex >= len(self.installIndexes) - 1:
 372                                 print "set status to DONE"
 373                                 self.setStatus(self.STATUS_DONE)
 374                                 return
 375                         else:
 376                                 print "increment meta index to install next package"
 377                                 self.currentlyInstallingMetaIndex += 1
 378                                 self.currentAttributeIndex = 0
 379                                 self.installPackage(self.installIndexes[self.currentlyInstallingMetaIndex])
 380                                 return
 381
 382                 self.setStatus(self.STATUS_WORKING)
 383
 384                 print "currentAttributeIndex:", self.currentAttributeIndex
 385                 currentAttribute = self.attributeNames[self.currentAttributeIndex]
 386
 387                 print "installing", currentAttribute, "with index", self.currentIndex
 388
 389                 if attributes.has_key(currentAttribute):
 390                         if self.currentIndex >= len(attributes[currentAttribute]): # all jobs done for current attribute
 391                                 self.currentIndex = -1
 392                                 self.currentAttributeIndex += 1
 393                                 self.installNext()
 394                                 return
 395                 else: # nothing to install here
 396                         self.currentIndex = -1
 397                         self.currentAttributeIndex += 1
 398                         self.installNext()
 399                         return
 400
 401                 if currentAttribute == "skin":
 402                         skin = attributes["skin"][self.currentIndex]
 403                         self.installSkin(skin["directory"], skin["name"])
 404                 elif currentAttribute == "config":
 405                         if self.currentIndex == 0:
 406                                 from Components.config import configfile
 407                                 configfile.save()
 408                         config = attributes["config"][self.currentIndex]
 409                         self.mergeConfig(config["directory"], config["name"])
 410                 elif currentAttribute == "favourites":
 411                         favourite = attributes["favourites"][self.currentIndex]
 412                         self.installFavourites(favourite["directory"], favourite["name"])
 413                 elif currentAttribute == "package":
 414                         package = attributes["package"][self.currentIndex]
 415                         self.installIPK(package["directory"], package["name"])
 416                 elif currentAttribute == "services":
 417                         service = attributes["services"][self.currentIndex]
 418                         self.mergeServices(service["directory"], service["name"])
 419
 420         def readfile(self, filename):
 421                 if not os.path.isfile(filename):
 422                         return []
 423                 fd = open(filename)
 424                 lines = fd.readlines()
 425                 fd.close()
 426                 return lines
 427
 428         def mergeConfig(self, directory, name, merge = True):
 429                 print "merging config:", directory, " - ", name
 430                 if os.path.isfile(directory + name):
 431                         config.loadFromFile(directory + name)
 432                         configfile.save()
 433                 self.installNext()
 434
 435         def installIPK(self, directory, name):
 436                 if self.blocking:
 437                         os.system("ipkg install " + directory + name)
 438                         self.installNext()
 439                 else:
 440                         self.ipkg = IpkgComponent()
 441                         self.ipkg.addCallback(self.ipkgCallback)
 442                         self.ipkg.startCmd(IpkgComponent.CMD_INSTALL, {'package': directory + name})
 443
 444         def ipkgCallback(self, event, param):
 445                 print "ipkgCallback"
 446                 if event == IpkgComponent.EVENT_DONE:
 447                         self.installNext()
 448                 elif event == IpkgComponent.EVENT_ERROR:
 449                         self.installNext()
 450
 451         def installSkin(self, directory, name):
 452                 print "installing skin:", directory, " - ", name
 453                 print "cp -a %s %s" % (directory, resolveFilename(SCOPE_SKIN))
 454                 if self.blocking:
 455                         copytree(directory, resolveFilename(SCOPE_SKIN))
 456                         self.installNext()
 457                 else:
 458                         if self.console.execute("cp -a %s %s" % (directory, resolveFilename(SCOPE_SKIN))):
 459                                 print "execute failed"
 460                                 self.installNext()
 461
 462         def mergeServices(self, directory, name, merge = False):
 463                 print "merging services:", directory, " - ", name
 464                 if os.path.isfile(directory + name):
 465                         db = eDVBDB.getInstance()
 466                         db.reloadServicelist()
 467                         db.loadServicelist(directory + name)
 468                         db.saveServicelist()
 469                 self.installNext()
 470
 471         def installFavourites(self, directory, name):
 472                 print "installing favourites:", directory, " - ", name
 473                 self.reloadFavourites = True
 474
 475                 if self.blocking:
 476                         copyfile(directory + name, resolveFilename(SCOPE_CONFIG))
 477                         self.installNext()
 478                 else:
 479                         if self.console.execute("cp %s %s" % ((directory + name), resolveFilename(SCOPE_CONFIG))):
 480                                 print "execute failed"
 481                                 self.installNext()