git.maemo.org Git - gc-dialer/blob - src/session.py

   1 from __future__ import with_statement
   2
   3 import os
   4 import time
   5 import datetime
   6 import contextlib
   7 import logging
   8
   9 try:
  10         import cPickle
  11         pickle = cPickle
  12 except ImportError:
  13         import pickle
  14
  15 from PyQt4 import QtCore
  16
  17 from util import qore_utils
  18 from util import qui_utils
  19 from util import concurrent
  20 from util import misc as misc_utils
  21
  22 import constants
  23
  24
  25 _moduleLogger = logging.getLogger(__name__)
  26
  27
  28 class _DraftContact(object):
  29
  30         def __init__(self, title, description, numbersWithDescriptions):
  31                 self.title = title
  32                 self.description = description
  33                 self.numbers = numbersWithDescriptions
  34                 self.selectedNumber = numbersWithDescriptions[0][0]
  35
  36
  37 class Draft(QtCore.QObject):
  38
  39         sendingMessage = QtCore.pyqtSignal()
  40         sentMessage = QtCore.pyqtSignal()
  41         calling = QtCore.pyqtSignal()
  42         called = QtCore.pyqtSignal()
  43         cancelling = QtCore.pyqtSignal()
  44         cancelled = QtCore.pyqtSignal()
  45         error = QtCore.pyqtSignal(str)
  46
  47         recipientsChanged = QtCore.pyqtSignal()
  48
  49         def __init__(self, pool, backend, errorLog):
  50                 QtCore.QObject.__init__(self)
  51                 self._errorLog = errorLog
  52                 self._contacts = {}
  53                 self._pool = pool
  54                 self._backend = backend
  55                 self._busyReason = None
  56                 self._message = ""
  57
  58         def send(self):
  59                 assert 0 < len(self._contacts), "No contacts selected"
  60                 assert 0 < len(self._message), "No message to send"
  61                 numbers = [misc_utils.make_ugly(contact.selectedNumber) for contact in self._contacts.itervalues()]
  62                 le = concurrent.AsyncLinearExecution(self._pool, self._send)
  63                 le.start(numbers, self._message)
  64
  65         def call(self):
  66                 assert len(self._contacts) == 1, "Must select 1 and only 1 contact"
  67                 assert len(self._message) == 0, "Cannot send message with call"
  68                 (contact, ) = self._contacts.itervalues()
  69                 number = misc_utils.make_ugly(contact.selectedNumber)
  70                 le = concurrent.AsyncLinearExecution(self._pool, self._call)
  71                 le.start(number)
  72
  73         def cancel(self):
  74                 le = concurrent.AsyncLinearExecution(self._pool, self._cancel)
  75                 le.start()
  76
  77         def _get_message(self):
  78                 return self._message
  79
  80         def _set_message(self, message):
  81                 self._message = message
  82
  83         message = property(_get_message, _set_message)
  84
  85         def add_contact(self, contactId, title, description, numbersWithDescriptions):
  86                 if self._busyReason is not None:
  87                         raise RuntimeError("Please wait for %r" % self._busyReason)
  88                 # Allow overwriting of contacts so that the message can be updated and the SMS dialog popped back up
  89                 contactDetails = _DraftContact(title, description, numbersWithDescriptions)
  90                 self._contacts[contactId] = contactDetails
  91                 self.recipientsChanged.emit()
  92
  93         def remove_contact(self, contactId):
  94                 if self._busyReason is not None:
  95                         raise RuntimeError("Please wait for %r" % self._busyReason)
  96                 assert contactId in self._contacts, "Contact missing"
  97                 del self._contacts[contactId]
  98                 self.recipientsChanged.emit()
  99
 100         def get_contacts(self):
 101                 return self._contacts.iterkeys()
 102
 103         def get_num_contacts(self):
 104                 return len(self._contacts)
 105
 106         def get_title(self, cid):
 107                 return self._contacts[cid].title
 108
 109         def get_description(self, cid):
 110                 return self._contacts[cid].description
 111
 112         def get_numbers(self, cid):
 113                 return self._contacts[cid].numbers
 114
 115         def get_selected_number(self, cid):
 116                 return self._contacts[cid].selectedNumber
 117
 118         def set_selected_number(self, cid, number):
 119                 # @note I'm lazy, this isn't firing any kind of signal since only one
 120                 # controller right now and that is the viewer
 121                 assert number in (nWD[0] for nWD in self._contacts[cid].numbers), "Number not selectable"
 122                 self._contacts[cid].selectedNumber = number
 123
 124         def clear(self):
 125                 if self._busyReason is not None:
 126                         raise RuntimeError("Please wait for %r" % self._busyReason)
 127                 self._clear()
 128
 129         def _clear(self):
 130                 oldContacts = self._contacts
 131                 self._contacts = {}
 132                 self._message = ""
 133                 if oldContacts:
 134                         self.recipientsChanged.emit()
 135
 136         @contextlib.contextmanager
 137         def _busy(self, message):
 138                 if self._busyReason is not None:
 139                         raise RuntimeError("Already busy doing %r" % self._busyReason)
 140                 try:
 141                         self._busyReason = message
 142                         yield
 143                 finally:
 144                         self._busyReason = None
 145
 146         def _send(self, numbers, text):
 147                 self.sendingMessage.emit()
 148                 try:
 149                         with self._busy("Sending Text"):
 150                                 with qui_utils.notify_busy(self._errorLog, "Sending Text"):
 151                                         yield (
 152                                                 self._backend[0].send_sms,
 153                                                 (numbers, text),
 154                                                 {},
 155                                         )
 156                                 self.sentMessage.emit()
 157                                 self._clear()
 158                 except Exception, e:
 159                         _moduleLogger.exception("Reporting error to user")
 160                         self.error.emit(str(e))
 161
 162         def _call(self, number):
 163                 self.calling.emit()
 164                 try:
 165                         with self._busy("Calling"):
 166                                 with qui_utils.notify_busy(self._errorLog, "Calling"):
 167                                         yield (
 168                                                 self._backend[0].call,
 169                                                 (number, ),
 170                                                 {},
 171                                         )
 172                                 self.called.emit()
 173                                 self._clear()
 174                 except Exception, e:
 175                         _moduleLogger.exception("Reporting error to user")
 176                         self.error.emit(str(e))
 177
 178         def _cancel(self):
 179                 self.cancelling.emit()
 180                 try:
 181                         with qui_utils.notify_busy(self._errorLog, "Cancelling"):
 182                                 yield (
 183                                         self._backend[0].cancel,
 184                                         (),
 185                                         {},
 186                                 )
 187                         self.cancelled.emit()
 188                 except Exception, e:
 189                         _moduleLogger.exception("Reporting error to user")
 190                         self.error.emit(str(e))
 191
 192
 193 class Session(QtCore.QObject):
 194
 195         # @todo Somehow add support for csv contacts
 196
 197         stateChange = QtCore.pyqtSignal(str)
 198         loggedOut = QtCore.pyqtSignal()
 199         loggedIn = QtCore.pyqtSignal()
 200         callbackNumberChanged = QtCore.pyqtSignal(str)
 201
 202         accountUpdated = QtCore.pyqtSignal()
 203         messagesUpdated = QtCore.pyqtSignal()
 204         newMessages = QtCore.pyqtSignal()
 205         historyUpdated = QtCore.pyqtSignal()
 206         dndStateChange = QtCore.pyqtSignal(bool)
 207
 208         error = QtCore.pyqtSignal(str)
 209
 210         LOGGEDOUT_STATE = "logged out"
 211         LOGGINGIN_STATE = "logging in"
 212         LOGGEDIN_STATE = "logged in"
 213
 214         MESSAGE_TEXTS = "Text"
 215         MESSAGE_VOICEMAILS = "Voicemail"
 216         MESSAGE_ALL = "All"
 217
 218         _OLDEST_COMPATIBLE_FORMAT_VERSION = misc_utils.parse_version("1.3.0")
 219
 220         _LOGGEDOUT_TIME = -1
 221         _LOGGINGIN_TIME = 0
 222
 223         def __init__(self, errorLog, cachePath = None):
 224                 QtCore.QObject.__init__(self)
 225                 self._errorLog = errorLog
 226                 self._pool = qore_utils.AsyncPool()
 227                 self._backend = []
 228                 self._loggedInTime = self._LOGGEDOUT_TIME
 229                 self._loginOps = []
 230                 self._cachePath = cachePath
 231                 self._username = None
 232                 self._draft = Draft(self._pool, self._backend, self._errorLog)
 233
 234                 self._contacts = {}
 235                 self._accountUpdateTime = datetime.datetime(1971, 1, 1)
 236                 self._messages = []
 237                 self._cleanMessages = []
 238                 self._messageUpdateTime = datetime.datetime(1971, 1, 1)
 239                 self._history = []
 240                 self._historyUpdateTime = datetime.datetime(1971, 1, 1)
 241                 self._dnd = False
 242                 self._callback = ""
 243
 244         @property
 245         def state(self):
 246                 return {
 247                         self._LOGGEDOUT_TIME: self.LOGGEDOUT_STATE,
 248                         self._LOGGINGIN_TIME: self.LOGGINGIN_STATE,
 249                 }.get(self._loggedInTime, self.LOGGEDIN_STATE)
 250
 251         @property
 252         def draft(self):
 253                 return self._draft
 254
 255         def login(self, username, password):
 256                 assert self.state == self.LOGGEDOUT_STATE, "Can only log-in when logged out (currently %s" % self.state
 257                 assert username != "", "No username specified"
 258                 if self._cachePath is not None:
 259                         cookiePath = os.path.join(self._cachePath, "%s.cookies" % username)
 260                 else:
 261                         cookiePath = None
 262
 263                 if self._username != username or not self._backend:
 264                         from backends import gv_backend
 265                         del self._backend[:]
 266                         self._backend[0:0] = [gv_backend.GVDialer(cookiePath)]
 267
 268                 self._pool.start()
 269                 le = concurrent.AsyncLinearExecution(self._pool, self._login)
 270                 le.start(username, password)
 271
 272         def logout(self):
 273                 assert self.state != self.LOGGEDOUT_STATE, "Can only logout if logged in (currently %s" % self.state
 274                 _moduleLogger.info("Logging out")
 275                 self._pool.stop()
 276                 self._loggedInTime = self._LOGGEDOUT_TIME
 277                 self._backend[0].persist()
 278                 self._save_to_cache()
 279                 self.stateChange.emit(self.LOGGEDOUT_STATE)
 280                 self.loggedOut.emit()
 281
 282         def clear(self):
 283                 assert self.state == self.LOGGEDOUT_STATE, "Can only clear when logged out (currently %s" % self.state
 284                 self._backend[0].logout()
 285                 del self._backend[0]
 286                 self._clear_cache()
 287                 self._draft.clear()
 288
 289         def logout_and_clear(self):
 290                 assert self.state != self.LOGGEDOUT_STATE, "Can only logout if logged in (currently %s" % self.state
 291                 _moduleLogger.info("Logging out and clearing the account")
 292                 self._pool.stop()
 293                 self._loggedInTime = self._LOGGEDOUT_TIME
 294                 self.clear()
 295                 self.stateChange.emit(self.LOGGEDOUT_STATE)
 296                 self.loggedOut.emit()
 297
 298         def update_account(self, force = True):
 299                 if not force and self._contacts:
 300                         return
 301                 le = concurrent.AsyncLinearExecution(self._pool, self._update_account), (), {}
 302                 self._perform_op_while_loggedin(le)
 303
 304         def get_contacts(self):
 305                 return self._contacts
 306
 307         def get_when_contacts_updated(self):
 308                 return self._accountUpdateTime
 309
 310         def update_messages(self, messageType, force = True):
 311                 if not force and self._messages:
 312                         return
 313                 le = concurrent.AsyncLinearExecution(self._pool, self._update_messages), (messageType, ), {}
 314                 self._perform_op_while_loggedin(le)
 315
 316         def get_messages(self):
 317                 return self._messages
 318
 319         def get_when_messages_updated(self):
 320                 return self._messageUpdateTime
 321
 322         def update_history(self, force = True):
 323                 if not force and self._history:
 324                         return
 325                 le = concurrent.AsyncLinearExecution(self._pool, self._update_history), (), {}
 326                 self._perform_op_while_loggedin(le)
 327
 328         def get_history(self):
 329                 return self._history
 330
 331         def get_when_history_updated(self):
 332                 return self._historyUpdateTime
 333
 334         def update_dnd(self):
 335                 le = concurrent.AsyncLinearExecution(self._pool, self._update_dnd), (), {}
 336                 self._perform_op_while_loggedin(le)
 337
 338         def set_dnd(self, dnd):
 339                 le = concurrent.AsyncLinearExecution(self._pool, self._set_dnd)
 340                 le.start(dnd)
 341
 342         def _set_dnd(self, dnd):
 343                 oldDnd = self._dnd
 344                 try:
 345                         assert self.state == self.LOGGEDIN_STATE, "DND requires being logged in (currently %s" % self.state
 346                         with qui_utils.notify_busy(self._errorLog, "Setting DND Status"):
 347                                 yield (
 348                                         self._backend[0].set_dnd,
 349                                         (dnd, ),
 350                                         {},
 351                                 )
 352                 except Exception, e:
 353                         _moduleLogger.exception("Reporting error to user")
 354                         self.error.emit(str(e))
 355                         return
 356                 self._dnd = dnd
 357                 if oldDnd != self._dnd:
 358                         self.dndStateChange.emit(self._dnd)
 359
 360         def get_dnd(self):
 361                 return self._dnd
 362
 363         def get_account_number(self):
 364                 if self.state != self.LOGGEDIN_STATE:
 365                         return ""
 366                 return self._backend[0].get_account_number()
 367
 368         def get_callback_numbers(self):
 369                 if self.state != self.LOGGEDIN_STATE:
 370                         return {}
 371                 return self._backend[0].get_callback_numbers()
 372
 373         def get_callback_number(self):
 374                 return self._callback
 375
 376         def set_callback_number(self, callback):
 377                 le = concurrent.AsyncLinearExecution(self._pool, self._set_callback_number)
 378                 le.start(callback)
 379
 380         def _set_callback_number(self, callback):
 381                 oldCallback = self._callback
 382                 try:
 383                         assert self.state == self.LOGGEDIN_STATE, "Callbacks configurable only when logged in (currently %s" % self.state
 384                         yield (
 385                                 self._backend[0].set_callback_number,
 386                                 (callback, ),
 387                                 {},
 388                         )
 389                 except Exception, e:
 390                         _moduleLogger.exception("Reporting error to user")
 391                         self.error.emit(str(e))
 392                         return
 393                 self._callback = callback
 394                 if oldCallback != self._callback:
 395                         self.callbackNumberChanged.emit(self._callback)
 396
 397         def _login(self, username, password):
 398                 with qui_utils.notify_busy(self._errorLog, "Logging In"):
 399                         self._loggedInTime = self._LOGGINGIN_TIME
 400                         self.stateChange.emit(self.LOGGINGIN_STATE)
 401                         finalState = self.LOGGEDOUT_STATE
 402                         accountData = None
 403                         try:
 404                                 if accountData is None and self._backend[0].is_quick_login_possible():
 405                                         accountData = yield (
 406                                                 self._backend[0].refresh_account_info,
 407                                                 (),
 408                                                 {},
 409                                         )
 410                                         if accountData is not None:
 411                                                 _moduleLogger.info("Logged in through cookies")
 412                                         else:
 413                                                 # Force a clearing of the cookies
 414                                                 yield (
 415                                                         self._backend[0].logout,
 416                                                         (),
 417                                                         {},
 418                                                 )
 419
 420                                 if accountData is None:
 421                                         accountData = yield (
 422                                                 self._backend[0].login,
 423                                                 (username, password),
 424                                                 {},
 425                                         )
 426                                         if accountData is not None:
 427                                                 _moduleLogger.info("Logged in through credentials")
 428
 429                                 if accountData is not None:
 430                                         self._loggedInTime = int(time.time())
 431                                         oldUsername = self._username
 432                                         self._username = username
 433                                         finalState = self.LOGGEDIN_STATE
 434                                         if oldUsername != self._username:
 435                                                 needOps = not self._load()
 436                                         else:
 437                                                 needOps = True
 438
 439                                         self.loggedIn.emit()
 440                                         self.stateChange.emit(finalState)
 441                                         finalState = None # Mark it as already set
 442                                         self._process_account_data(accountData)
 443
 444                                         if needOps:
 445                                                 loginOps = self._loginOps[:]
 446                                         else:
 447                                                 loginOps = []
 448                                         del self._loginOps[:]
 449                                         for asyncOp, args, kwds in loginOps:
 450                                                 asyncOp.start(*args, **kwds)
 451                                 else:
 452                                         self._loggedInTime = self._LOGGEDOUT_TIME
 453                                         self.error.emit("Error logging in")
 454                         except Exception, e:
 455                                 _moduleLogger.exception("Booh")
 456                                 self._loggedInTime = self._LOGGEDOUT_TIME
 457                                 _moduleLogger.exception("Reporting error to user")
 458                                 self.error.emit(str(e))
 459                         finally:
 460                                 if finalState is not None:
 461                                         self.stateChange.emit(finalState)
 462                         if accountData is not None and self._callback:
 463                                 self.set_callback_number(self._callback)
 464
 465         def _load(self):
 466                 updateMessages = len(self._messages) != 0
 467                 updateHistory = len(self._history) != 0
 468                 oldDnd = self._dnd
 469                 oldCallback = self._callback
 470
 471                 self._messages = []
 472                 self._cleanMessages = []
 473                 self._history = []
 474                 self._dnd = False
 475                 self._callback = ""
 476
 477                 loadedFromCache = self._load_from_cache()
 478                 if loadedFromCache:
 479                         updateMessages = True
 480                         updateHistory = True
 481
 482                 if updateMessages:
 483                         self.messagesUpdated.emit()
 484                 if updateHistory:
 485                         self.historyUpdated.emit()
 486                 if oldDnd != self._dnd:
 487                         self.dndStateChange.emit(self._dnd)
 488                 if oldCallback != self._callback:
 489                         self.callbackNumberChanged.emit(self._callback)
 490
 491                 return loadedFromCache
 492
 493         def _load_from_cache(self):
 494                 if self._cachePath is None:
 495                         return False
 496                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 497
 498                 try:
 499                         with open(cachePath, "rb") as f:
 500                                 dumpedData = pickle.load(f)
 501                 except (pickle.PickleError, IOError, EOFError, ValueError, ImportError):
 502                         _moduleLogger.exception("Pickle fun loading")
 503                         return False
 504                 except:
 505                         _moduleLogger.exception("Weirdness loading")
 506                         return False
 507
 508                 try:
 509                         version, build = dumpedData[0:2]
 510                 except ValueError:
 511                         _moduleLogger.exception("Upgrade/downgrade fun")
 512                         return False
 513                 except:
 514                         _moduleLogger.exception("Weirdlings")
 515                         return False
 516
 517                 if misc_utils.compare_versions(
 518                         self._OLDEST_COMPATIBLE_FORMAT_VERSION,
 519                         misc_utils.parse_version(version),
 520                 ) <= 0:
 521                         try:
 522                                 (
 523                                         version, build,
 524                                         messages, messageUpdateTime,
 525                                         history, historyUpdateTime,
 526                                         dnd, callback
 527                                 ) = dumpedData
 528                         except ValueError:
 529                                 _moduleLogger.exception("Upgrade/downgrade fun")
 530                                 return False
 531                         except:
 532                                 _moduleLogger.exception("Weirdlings")
 533                                 return False
 534
 535                         _moduleLogger.info("Loaded cache")
 536                         self._messages = messages
 537                         self._alert_on_messages(self._messages)
 538                         self._messageUpdateTime = messageUpdateTime
 539                         self._history = history
 540                         self._historyUpdateTime = historyUpdateTime
 541                         self._dnd = dnd
 542                         self._callback = callback
 543                         return True
 544                 else:
 545                         _moduleLogger.debug(
 546                                 "Skipping cache due to version mismatch (%s-%s)" % (
 547                                         version, build
 548                                 )
 549                         )
 550                         return False
 551
 552         def _save_to_cache(self):
 553                 _moduleLogger.info("Saving cache")
 554                 if self._cachePath is None:
 555                         return
 556                 cachePath = os.path.join(self._cachePath, "%s.cache" % self._username)
 557
 558                 try:
 559                         dataToDump = (
 560                                 constants.__version__, constants.__build__,
 561                                 self._messages, self._messageUpdateTime,
 562                                 self._history, self._historyUpdateTime,
 563                                 self._dnd, self._callback
 564                         )
 565                         with open(cachePath, "wb") as f:
 566                                 pickle.dump(dataToDump, f, pickle.HIGHEST_PROTOCOL)
 567                         _moduleLogger.info("Cache saved")
 568                 except (pickle.PickleError, IOError):
 569                         _moduleLogger.exception("While saving")
 570
 571         def _clear_cache(self):
 572                 updateMessages = len(self._messages) != 0
 573                 updateHistory = len(self._history) != 0
 574                 oldDnd = self._dnd
 575                 oldCallback = self._callback
 576
 577                 self._messages = []
 578                 self._messageUpdateTime = datetime.datetime(1971, 1, 1)
 579                 self._history = []
 580                 self._historyUpdateTime = datetime.datetime(1971, 1, 1)
 581                 self._dnd = False
 582                 self._callback = ""
 583
 584                 if updateMessages:
 585                         self.messagesUpdated.emit()
 586                 if updateHistory:
 587                         self.historyUpdated.emit()
 588                 if oldDnd != self._dnd:
 589                         self.dndStateChange.emit(self._dnd)
 590                 if oldCallback != self._callback:
 591                         self.callbackNumberChanged.emit(self._callback)
 592
 593                 self._save_to_cache()
 594
 595         def _update_account(self):
 596                 try:
 597                         assert self.state == self.LOGGEDIN_STATE, "Contacts requires being logged in (currently %s)" % self.state
 598                         with qui_utils.notify_busy(self._errorLog, "Updating Account"):
 599                                 accountData = yield (
 600                                         self._backend[0].refresh_account_info,
 601                                         (),
 602                                         {},
 603                                 )
 604                 except Exception, e:
 605                         _moduleLogger.exception("Reporting error to user")
 606                         self.error.emit(str(e))
 607                         return
 608                 self._process_account_data(accountData)
 609
 610         def _update_messages(self, messageType):
 611                 try:
 612                         assert self.state == self.LOGGEDIN_STATE, "Messages requires being logged in (currently %s" % self.state
 613                         with qui_utils.notify_busy(self._errorLog, "Updating %s Messages" % messageType):
 614                                 self._messages = yield (
 615                                         self._backend[0].get_messages,
 616                                         (messageType, ),
 617                                         {},
 618                                 )
 619                 except Exception, e:
 620                         _moduleLogger.exception("Reporting error to user")
 621                         self.error.emit(str(e))
 622                         return
 623                 self._messageUpdateTime = datetime.datetime.now()
 624                 self.messagesUpdated.emit()
 625                 self._alert_on_messages(self._messages)
 626
 627         def _update_history(self):
 628                 try:
 629                         assert self.state == self.LOGGEDIN_STATE, "History requires being logged in (currently %s" % self.state
 630                         with qui_utils.notify_busy(self._errorLog, "Updating History"):
 631                                 self._history = yield (
 632                                         self._backend[0].get_recent,
 633                                         (),
 634                                         {},
 635                                 )
 636                 except Exception, e:
 637                         _moduleLogger.exception("Reporting error to user")
 638                         self.error.emit(str(e))
 639                         return
 640                 self._historyUpdateTime = datetime.datetime.now()
 641                 self.historyUpdated.emit()
 642
 643         def _update_dnd(self):
 644                 oldDnd = self._dnd
 645                 try:
 646                         assert self.state == self.LOGGEDIN_STATE, "DND requires being logged in (currently %s" % self.state
 647                         self._dnd = yield (
 648                                 self._backend[0].is_dnd,
 649                                 (),
 650                                 {},
 651                         )
 652                 except Exception, e:
 653                         _moduleLogger.exception("Reporting error to user")
 654                         self.error.emit(str(e))
 655                         return
 656                 if oldDnd != self._dnd:
 657                         self.dndStateChange(self._dnd)
 658
 659         def _perform_op_while_loggedin(self, op):
 660                 if self.state == self.LOGGEDIN_STATE:
 661                         op, args, kwds = op
 662                         op.start(*args, **kwds)
 663                 else:
 664                         self._push_login_op(op)
 665
 666         def _push_login_op(self, asyncOp):
 667                 assert self.state != self.LOGGEDIN_STATE, "Can only queue work when logged out"
 668                 if asyncOp in self._loginOps:
 669                         _moduleLogger.info("Skipping queueing duplicate op: %r" % asyncOp)
 670                         return
 671                 self._loginOps.append(asyncOp)
 672
 673         def _process_account_data(self, accountData):
 674                 self._contacts = dict(
 675                         (contactId, contactDetails)
 676                         for contactId, contactDetails in accountData["contacts"].iteritems()
 677                         # A zero contact id is the catch all for unknown contacts
 678                         if contactId != "0"
 679                 )
 680
 681                 self._accountUpdateTime = datetime.datetime.now()
 682                 self.accountUpdated.emit()
 683
 684         def _alert_on_messages(self, messages):
 685                 cleanNewMessages = list(self._clean_messages(messages))
 686                 cleanNewMessages.sort(key=lambda m: m["contactId"])
 687                 if self._cleanMessages:
 688                         if self._cleanMessages != cleanNewMessages:
 689                                 self.newMessages.emit()
 690                 self._cleanMessages = cleanNewMessages
 691
 692         def _clean_messages(self, messages):
 693                 for message in messages:
 694                         cleaned = dict(
 695                                 kv
 696                                 for kv in message.iteritems()
 697                                 if kv[0] not in
 698                                 [
 699                                         "relTime",
 700                                         "time",
 701                                         "isArchived",
 702                                         "isRead",
 703                                         "isSpam",
 704                                         "isTrash",
 705                                 ]
 706                         )
 707
 708                         # Don't let outbound messages cause alerts, especially if the package has only outbound
 709                         cleaned["messageParts"] = [
 710                                 tuple(part[0:-1]) for part in cleaned["messageParts"] if part[0] != "Me:"
 711                         ]
 712                         if not cleaned["messageParts"]:
 713                                 continue
 714
 715                         yield cleaned