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