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