import ClientCaches import ClientData import ClientDaemons import ClientDefaults import ClientNetworking import ClientThreading import hashlib import httplib import HydrusConstants as HC import HydrusController import HydrusData import HydrusExceptions import HydrusGlobals import HydrusNetworking import HydrusSerialisable import HydrusSessions import HydrusTags import HydrusThreading import ClientConstants as CC import ClientDB import ClientGUI import ClientGUIDialogs import os import psutil import random import sqlite3 import subprocess import sys import threading import time import traceback import wx from twisted.internet import reactor from twisted.internet import defer class Controller( HydrusController.HydrusController ): pubsub_binding_errors_to_ignore = [ wx.PyDeadObjectError ] def __init__( self ): HydrusController.HydrusController.__init__( self ) HydrusGlobals.client_controller = self # just to set up some defaults, in case some db update expects something for an odd yaml-loading reason self._options = ClientDefaults.GetClientDefaultOptions() self._new_options = ClientData.ClientOptions() HC.options = self._options self._last_mouse_position = None self._menu_open = False self._previously_idle = False self._idle_started = None def _InitDB( self ): return ClientDB.DB( self, HC.DB_DIR, 'client', no_wal = self._no_wal ) def BackupDatabase( self ): with wx.DirDialog( self._gui, 'Select backup location.' ) as dlg: if dlg.ShowModal() == wx.ID_OK: path = HydrusData.ToUnicode( dlg.GetPath() ) text = 'Are you sure "' + path + '" is the correct directory?' text += os.linesep * 2 text += 'The database will be locked while the backup occurs, which may lock up your gui as well.' with ClientGUIDialogs.DialogYesNo( self._gui, text ) as dlg_yn: if dlg_yn.ShowModal() == wx.ID_YES: self.Write( 'backup', path ) def CallBlockingToWx( self, callable, *args, **kwargs ): def wx_code( job_key ): try: result = callable( *args, **kwargs ) job_key.SetVariable( 'result', result ) except HydrusExceptions.PermissionException as e: job_key.SetVariable( 'error', e ) except Exception as e: job_key.SetVariable( 'error', e ) HydrusData.Print( 'CallBlockingToWx just caught this error:' ) HydrusData.DebugPrint( traceback.format_exc() ) finally: job_key.Finish() job_key = ClientThreading.JobKey() job_key.Begin() wx.CallAfter( wx_code, job_key ) while not job_key.IsDone(): if self._model_shutdown: return time.sleep( 0.05 ) if job_key.HasVariable( 'result' ): return job_key.GetVariable( 'result' ) elif job_key.HasVariable( 'error' ): raise job_key.GetVariable( 'error' ) else: raise HydrusExceptions.ShutdownException() def CheckAlreadyRunning( self ): while HydrusData.IsAlreadyRunning( HC.DB_DIR, 'client' ): self.pub( 'splash_set_status_text', 'client already running' ) def wx_code(): message = 'It looks like another instance of this client is already running, so this instance cannot start.' message += os.linesep * 2 message += 'If the old instance is closing and does not quit for a _very_ long time, it is usually safe to force-close it from task manager.' with ClientGUIDialogs.DialogYesNo( self._splash, message, 'The client is already running.', yes_label = 'wait a bit, then try again', no_label = 'forget it' ) as dlg: if dlg.ShowModal() != wx.ID_YES: raise HydrusExceptions.PermissionException() self.CallBlockingToWx( wx_code ) for i in range( 10, 0, -1 ): if not HydrusData.IsAlreadyRunning( HC.DB_DIR, 'client' ): break self.pub( 'splash_set_status_text', 'waiting ' + str( i ) + ' seconds' ) time.sleep( 1 ) def CheckMouseIdle( self ): mouse_position = wx.GetMousePosition() if self._last_mouse_position is None: self._last_mouse_position = mouse_position elif mouse_position != self._last_mouse_position: idle_before = self.CurrentlyIdle() self._timestamps[ 'last_mouse_action' ] = HydrusData.GetNow() self._last_mouse_position = mouse_position idle_after = self.CurrentlyIdle() if idle_before != idle_after: self.pub( 'refresh_status' ) def Clipboard( self, data_type, data ): # need this cause can't do it in a non-gui thread if data_type == 'paths': paths = data if wx.TheClipboard.Open(): data = wx.DataObjectComposite() file_data = wx.FileDataObject() for path in paths: file_data.AddFile( path ) text_data = wx.TextDataObject( os.linesep.join( paths ) ) data.Add( file_data, True ) data.Add( text_data, False ) wx.TheClipboard.SetData( data ) wx.TheClipboard.Close() else: wx.MessageBox( 'Could not get permission to access the clipboard!' ) elif data_type == 'text': text = data if wx.TheClipboard.Open(): data = wx.TextDataObject( text ) wx.TheClipboard.SetData( data ) wx.TheClipboard.Close() else: wx.MessageBox( 'I could not get permission to access the clipboard.' ) elif data_type == 'bmp': media = data image_container = self.GetCache( 'fullscreen' ).GetImage( media ) def CopyToClipboard(): if wx.TheClipboard.Open(): hydrus_bmp = image_container.GetHydrusBitmap() wx_bmp = hydrus_bmp.GetWxBitmap() data = wx.BitmapDataObject( wx_bmp ) wx.TheClipboard.SetData( data ) wx.TheClipboard.Close() else: wx.MessageBox( 'I could not get permission to access the clipboard.' ) def THREADWait(): # have to do this in thread, because the image needs the wx event queue to render start_time = time.time() while not image_container.IsRendered(): if HydrusData.TimeHasPassed( start_time + 15 ): raise Exception( 'The image did not render in fifteen seconds, so the attempt to copy it to the clipboard was abandoned.' ) time.sleep( 0.1 ) wx.CallAfter( CopyToClipboard ) self.CallToThread( THREADWait ) def CreateSplash( self ): try: self._splash = ClientGUI.FrameSplash( self ) except: HydrusData.Print( 'There was an error trying to start the splash screen!' ) HydrusData.Print( traceback.format_exc() ) raise def CurrentlyIdle( self ): if HydrusGlobals.force_idle_mode: self._idle_started = 0 return True if not HydrusData.TimeHasPassed( self._timestamps[ 'boot' ] + 120 ): return False idle_normal = self._options[ 'idle_normal' ] idle_period = self._options[ 'idle_period' ] idle_mouse_period = self._options[ 'idle_mouse_period' ] if idle_normal: currently_idle = True if idle_period is not None: if not HydrusData.TimeHasPassed( self._timestamps[ 'last_user_action' ] + idle_period ): currently_idle = False if idle_mouse_period is not None: if not HydrusData.TimeHasPassed( self._timestamps[ 'last_mouse_action' ] + idle_mouse_period ): currently_idle = False else: currently_idle = False turning_idle = currently_idle and not self._previously_idle self._previously_idle = currently_idle if turning_idle: self._idle_started = HydrusData.GetNow() self.pub( 'wake_daemons' ) if not currently_idle: self._idle_started = None return currently_idle def CurrentlyVeryIdle( self ): if self._idle_started is not None and HydrusData.TimeHasPassed( self._idle_started + 3600 ): return True return False def DoHTTP( self, *args, **kwargs ): return self._http.Request( *args, **kwargs ) def DoIdleShutdownWork( self ): stop_time = HydrusData.GetNow() + ( self._options[ 'idle_shutdown_max_minutes' ] * 60 ) self._client_files_manager.Rebalance( partial = False, stop_time = stop_time ) self.MaintainDB( stop_time = stop_time ) if not self._options[ 'pause_repo_sync' ]: services = self.GetServicesManager().GetServices( HC.REPOSITORIES ) for service in services: if HydrusData.TimeHasPassed( stop_time ): return service.Sync( only_when_idle = False, stop_time = stop_time ) def Exit( self ): if HydrusGlobals.emergency_exit: self.ShutdownView() self.ShutdownModel() else: try: self.CreateSplash() idle_shutdown_action = self._options[ 'idle_shutdown' ] if idle_shutdown_action in ( CC.IDLE_ON_SHUTDOWN, CC.IDLE_ON_SHUTDOWN_ASK_FIRST ): if self.ThereIsIdleShutdownWorkDue(): if idle_shutdown_action == CC.IDLE_ON_SHUTDOWN_ASK_FIRST: text = 'Is now a good time for the client to do up to ' + HydrusData.ConvertIntToPrettyString( self._options[ 'idle_shutdown_max_minutes' ] ) + ' minutes\' maintenance work?' with ClientGUIDialogs.DialogYesNo( self._splash, text, title = 'Maintenance is due' ) as dlg_yn: if dlg_yn.ShowModal() == wx.ID_YES: HydrusGlobals.do_idle_shutdown_work = True else: HydrusGlobals.do_idle_shutdown_work = True exit_thread = threading.Thread( target = self.THREADExitEverything, name = 'Application Exit Thread' ) exit_thread.start() except: self.pub( 'splash_destroy' ) HydrusData.DebugPrint( traceback.format_exc() ) HydrusGlobals.emergency_exit = True self.Exit() def ForceIdle( self ): HydrusGlobals.force_idle_mode = not HydrusGlobals.force_idle_mode self.pub( 'wake_daemons' ) self.pub( 'refresh_status' ) def GetClientFilesManager( self ): return self._client_files_manager def GetClientSessionManager( self ): return self._client_session_manager def GetDB( self ): return self._db def GetGUI( self ): return self._gui def GetOptions( self ): return self._options def GetNewOptions( self ): return self._new_options def GetServicesManager( self ): return self._services_manager def InitModel( self ): self.pub( 'splash_set_title_text', 'booting db...' ) self._http = ClientNetworking.HTTPConnectionManager() HydrusController.HydrusController.InitModel( self ) self._options = self.Read( 'options' ) self._new_options = self.Read( 'serialisable', HydrusSerialisable.SERIALISABLE_TYPE_CLIENT_OPTIONS ) HC.options = self._options self._services_manager = ClientCaches.ServicesManager( self ) self._client_files_manager = ClientCaches.ClientFilesManager( self ) self._client_session_manager = ClientCaches.HydrusSessionManager( self ) self._managers[ 'local_booru' ] = ClientCaches.LocalBooruCache( self ) self._managers[ 'tag_censorship' ] = ClientCaches.TagCensorshipManager( self ) self._managers[ 'tag_siblings' ] = ClientCaches.TagSiblingsManager( self ) self._managers[ 'tag_parents' ] = ClientCaches.TagParentsManager( self ) self._managers[ 'undo' ] = ClientCaches.UndoManager( self ) self._managers[ 'web_sessions' ] = ClientCaches.WebSessionManagerClient( self ) if HC.options[ 'proxy' ] is not None: ( proxytype, host, port, username, password ) = HC.options[ 'proxy' ] ClientNetworking.SetProxy( proxytype, host, port, username, password ) def wx_code(): self._caches[ 'fullscreen' ] = ClientCaches.RenderedImageCache( self, 'fullscreen' ) self._caches[ 'preview' ] = ClientCaches.RenderedImageCache( self, 'preview' ) self._caches[ 'thumbnail' ] = ClientCaches.ThumbnailCache( self ) CC.GlobalBMPs.STATICInitialise() self.CallBlockingToWx( wx_code ) self.sub( self, 'Clipboard', 'clipboard' ) self.sub( self, 'RestartServer', 'restart_server' ) self.sub( self, 'RestartBooru', 'restart_booru' ) def InitView( self ): if self._options[ 'password' ] is not None: self.pub( 'splash_set_status_text', 'waiting for password' ) def wx_code_password(): while True: with wx.PasswordEntryDialog( self._splash, 'Enter your password', 'Enter password' ) as dlg: if dlg.ShowModal() == wx.ID_OK: if hashlib.sha256( dlg.GetValue() ).digest() == self._options[ 'password' ]: break else: raise HydrusExceptions.PermissionException( 'Bad password check' ) self.CallBlockingToWx( wx_code_password ) self.pub( 'splash_set_title_text', 'booting gui...' ) def wx_code_gui(): self._gui = ClientGUI.FrameGUI( self ) # this is because of some bug in wx C++ that doesn't add these by default wx.richtext.RichTextBuffer.AddHandler( wx.richtext.RichTextHTMLHandler() ) wx.richtext.RichTextBuffer.AddHandler( wx.richtext.RichTextXMLHandler() ) self.ResetIdleTimer() self.CallBlockingToWx( wx_code_gui ) HydrusController.HydrusController.InitView( self ) self._local_service = None self._booru_service = None self.RestartServer() self.RestartBooru() if not self._no_daemons: self._daemons.append( HydrusThreading.DAEMONWorker( self, 'CheckMouseIdle', ClientDaemons.DAEMONCheckMouseIdle, period = 10 ) ) self._daemons.append( HydrusThreading.DAEMONWorker( self, 'DownloadFiles', ClientDaemons.DAEMONDownloadFiles, ( 'notify_new_downloads', 'notify_new_permissions' ) ) ) self._daemons.append( HydrusThreading.DAEMONWorker( self, 'SynchroniseAccounts', ClientDaemons.DAEMONSynchroniseAccounts, ( 'permissions_are_stale', ) ) ) self._daemons.append( HydrusThreading.DAEMONWorker( self, 'SynchroniseSubscriptions', ClientDaemons.DAEMONSynchroniseSubscriptions, ( 'notify_restart_subs_sync_daemon', 'notify_new_subscriptions' ) ) ) self._daemons.append( HydrusThreading.DAEMONBigJobWorker( self, 'CheckImportFolders', ClientDaemons.DAEMONCheckImportFolders, ( 'notify_restart_import_folders_daemon', 'notify_new_import_folders' ), period = 180 ) ) self._daemons.append( HydrusThreading.DAEMONBigJobWorker( self, 'CheckExportFolders', ClientDaemons.DAEMONCheckExportFolders, ( 'notify_restart_export_folders_daemon', 'notify_new_export_folders' ), period = 180 ) ) self._daemons.append( HydrusThreading.DAEMONBigJobWorker( self, 'MaintainTrash', ClientDaemons.DAEMONMaintainTrash, init_wait = 60 ) ) self._daemons.append( HydrusThreading.DAEMONBigJobWorker( self, 'RebalanceClientFiles', ClientDaemons.DAEMONRebalanceClientFiles, period = 3600 ) ) self._daemons.append( HydrusThreading.DAEMONBigJobWorker( self, 'SynchroniseRepositories', ClientDaemons.DAEMONSynchroniseRepositories, ( 'notify_restart_repo_sync_daemon', 'notify_new_permissions' ), period = 4 * 3600 ) ) self._daemons.append( HydrusThreading.DAEMONBigJobWorker( self, 'UPnP', ClientDaemons.DAEMONUPnP, ( 'notify_new_upnp_mappings', ), init_wait = 120, pre_callable_wait = 6 ) ) self._daemons.append( HydrusThreading.DAEMONQueue( self, 'FlushRepositoryUpdates', ClientDaemons.DAEMONFlushServiceUpdates, 'service_updates_delayed', period = 5 ) ) if HydrusGlobals.is_first_start: wx.CallAfter( self._gui.DoFirstStart ) if HydrusGlobals.is_db_updated: wx.CallLater( 1, HydrusData.ShowText, 'The client has updated to version ' + str( HC.SOFTWARE_VERSION ) + '!' ) def MaintainDB( self, stop_time = None ): if stop_time is None: if not self.CurrentlyVeryIdle(): stop_time = HydrusData.GetNow() + 30 disk_cache_maintenance_mb = self._new_options.GetNoneableInteger( 'disk_cache_maintenance_mb' ) if disk_cache_maintenance_mb is not None: loaded_into_disk_cache = HydrusGlobals.client_controller.Read( 'load_into_disk_cache', stop_time = stop_time, caller_limit = disk_cache_maintenance_mb * 1024 * 1024 ) self.WriteInterruptable( 'vacuum', stop_time = stop_time ) self.pub( 'splash_set_status_text', 'analyzing' ) self.WriteInterruptable( 'analyze', stop_time = stop_time ) if stop_time is None or not HydrusData.TimeHasPassed( stop_time ): if HydrusData.TimeHasPassed( self._timestamps[ 'last_service_info_cache_fatten' ] + ( 60 * 20 ) ): self.pub( 'splash_set_status_text', 'fattening service info' ) services = self.GetServicesManager().GetServices() for service in services: try: self.Read( 'service_info', service.GetServiceKey() ) except: pass # sometimes this breaks when a service has just been removed and the client is closing, so ignore the error self._timestamps[ 'last_service_info_cache_fatten' ] = HydrusData.GetNow() def MaintainMemory( self ): HydrusController.HydrusController.MaintainMemory( self ) if self._timestamps[ 'last_page_change' ] == 0: self._timestamps[ 'last_page_change' ] = HydrusData.GetNow() if HydrusData.TimeHasPassed( self._timestamps[ 'last_page_change' ] + 30 * 60 ): self.pub( 'clear_closed_pages' ) self._timestamps[ 'last_page_change' ] = HydrusData.GetNow() def MenuIsOpen( self ): return self._menu_open def NotifyPubSubs( self ): wx.CallAfter( self.ProcessPubSub ) def PageDeleted( self, page_key ): try: return self._gui.PageDeleted( page_key ) except wx.PyDeadObjectError: return True def PageHidden( self, page_key ): return self._gui.PageHidden( page_key ) def PopupMenu( self, window, menu ): if menu.GetMenuItemCount() > 0: self._menu_open = True window.PopupMenu( menu ) self._menu_open = False wx.CallAfter( menu.Destroy ) def PrepStringForDisplay( self, text ): if self._options[ 'gui_capitalisation' ]: return text else: return text.lower() def ResetIdleTimer( self ): self._timestamps[ 'last_user_action' ] = HydrusData.GetNow() def ResetPageChangeTimer( self ): self._timestamps[ 'last_page_change' ] = HydrusData.GetNow() def RestartBooru( self ): service = self.GetServicesManager().GetService( CC.LOCAL_BOORU_SERVICE_KEY ) info = service.GetInfo() port = info[ 'port' ] def TWISTEDRestartServer(): def StartServer( *args, **kwargs ): try: try: connection = HydrusNetworking.GetLocalConnection( port ) connection.close() text = 'The client\'s booru server could not start because something was already bound to port ' + str( port ) + '.' text += os.linesep * 2 text += 'This usually means another hydrus client is already running and occupying that port. It could be a previous instantiation of this client that has yet to shut itself down.' text += os.linesep * 2 text += 'You can change the port this client tries to host its local server on in services->manage services.' wx.CallLater( 1, HydrusData.ShowText, text ) except: import ClientLocalServer self._booru_service = reactor.listenTCP( port, ClientLocalServer.HydrusServiceBooru( CC.LOCAL_BOORU_SERVICE_KEY, HC.LOCAL_BOORU, 'This is the local booru.' ) ) try: connection = HydrusNetworking.GetLocalConnection( port ) connection.close() except Exception as e: text = 'Tried to bind port ' + str( port ) + ' for the local booru, but it failed:' text += os.linesep * 2 text += HydrusData.ToUnicode( e ) wx.CallLater( 1, HydrusData.ShowText, text ) except Exception as e: wx.CallAfter( HydrusData.ShowException, e ) if self._booru_service is None: if port is not None: StartServer() else: deferred = defer.maybeDeferred( self._booru_service.stopListening ) if port is not None: deferred.addCallback( StartServer ) reactor.callFromThread( TWISTEDRestartServer ) def RestartServer( self ): port = self._options[ 'local_port' ] def TWISTEDRestartServer(): def StartServer( *args, **kwargs ): try: try: connection = HydrusNetworking.GetLocalConnection( port ) connection.close() text = 'The client\'s local server could not start because something was already bound to port ' + str( port ) + '.' text += os.linesep * 2 text += 'This usually means another hydrus client is already running and occupying that port. It could be a previous instantiation of this client that has yet to shut itself down.' text += os.linesep * 2 text += 'You can change the port this client tries to host its local server on in file->options.' wx.CallLater( 1, HydrusData.ShowText, text ) except: import ClientLocalServer self._local_service = reactor.listenTCP( port, ClientLocalServer.HydrusServiceLocal( CC.LOCAL_FILE_SERVICE_KEY, HC.LOCAL_FILE, 'This is the local file service.' ) ) try: connection = HydrusNetworking.GetLocalConnection( port ) connection.close() except Exception as e: text = 'Tried to bind port ' + str( port ) + ' for the local server, but it failed:' text += os.linesep * 2 text += HydrusData.ToUnicode( e ) wx.CallLater( 1, HydrusData.ShowText, text ) except Exception as e: wx.CallAfter( HydrusData.ShowException, e ) if self._local_service is None: if port is not None: StartServer() else: deferred = defer.maybeDeferred( self._local_service.stopListening ) if port is not None: deferred.addCallback( StartServer ) reactor.callFromThread( TWISTEDRestartServer ) def RestoreDatabase( self ): with wx.DirDialog( self._gui, 'Select backup location.' ) as dlg: if dlg.ShowModal() == wx.ID_OK: path = HydrusData.ToUnicode( dlg.GetPath() ) text = 'Are you sure you want to restore a backup from "' + path + '"?' text += os.linesep * 2 text += 'Everything in your current database will be deleted!' text += os.linesep * 2 text += 'The gui will shut down, and then it will take a while to complete the restore. Once it is done, the client will restart.' with ClientGUIDialogs.DialogYesNo( self._gui, text ) as dlg_yn: if dlg_yn.ShowModal() == wx.ID_YES: def THREADRestart(): wx.CallAfter( self._gui.Exit ) while not self._db.LoopIsFinished(): time.sleep( 0.1 ) self._db.RestoreBackup( path ) while not HydrusGlobals.shutdown_complete: time.sleep( 0.1 ) HydrusData.RestartProcess() restart_thread = threading.Thread( target = THREADRestart, name = 'Application Restart Thread' ) restart_thread.start() def Run( self ): self._app = wx.App() self._app.SetAssertMode( wx.PYAPP_ASSERT_SUPPRESS ) HydrusData.Print( 'booting controller...' ) self.CreateSplash() boot_thread = threading.Thread( target = self.THREADBootEverything, name = 'Application Boot Thread' ) boot_thread.start() self._app.MainLoop() HydrusData.Print( 'shutting down controller...' ) def ShutdownView( self ): if not HydrusGlobals.emergency_exit: self.pub( 'splash_set_status_text', 'waiting for daemons to exit' ) self._ShutdownDaemons() if HydrusGlobals.do_idle_shutdown_work: self.DoIdleShutdownWork() HydrusController.HydrusController.ShutdownView( self ) def StartFileQuery( self, query_key, search_context ): self.CallToThread( self.THREADDoFileQuery, query_key, search_context ) def SystemBusy( self ): if HydrusGlobals.force_idle_mode: return False max_cpu = self._options[ 'idle_cpu_max' ] if max_cpu is None: self._system_busy = False else: if HydrusData.TimeHasPassed( self._timestamps[ 'last_cpu_check' ] + 60 ): cpu_times = psutil.cpu_percent( percpu = True ) if True in ( cpu_time > max_cpu for cpu_time in cpu_times ): self._system_busy = True else: self._system_busy = False self._timestamps[ 'last_cpu_check' ] = HydrusData.GetNow() return self._system_busy def ThereIsIdleShutdownWorkDue( self ): maintenance_due = self.Read( 'maintenance_due' ) if maintenance_due: return True if not self._options[ 'pause_repo_sync' ]: services = self.GetServicesManager().GetServices( HC.REPOSITORIES ) for service in services: if service.CanDownloadUpdate() or service.CanProcessUpdate(): return True return False def THREADDoFileQuery( self, query_key, search_context ): query_hash_ids = self.Read( 'file_query_ids', search_context ) media_results = [] for sub_query_hash_ids in HydrusData.SplitListIntoChunks( query_hash_ids, 256 ): if query_key.IsCancelled(): return more_media_results = self.Read( 'media_results_from_ids', sub_query_hash_ids ) media_results.extend( more_media_results ) self.pub( 'set_num_query_results', len( media_results ), len( query_hash_ids ) ) self.WaitUntilPubSubsEmpty() search_context.SetComplete() self.pub( 'file_query_done', query_key, media_results ) def THREADBootEverything( self ): try: self.CheckAlreadyRunning() HydrusData.RecordRunningStart( HC.DB_DIR, 'client' ) self.InitModel() self.InitView() except HydrusExceptions.PermissionException as e: HydrusData.Print( e ) HydrusGlobals.emergency_exit = True self.Exit() except Exception as e: text = 'A serious error occured while trying to start the program. Its traceback will be shown next. It should have also been written to client.log.' HydrusData.DebugPrint( text ) traceback.print_exc() wx.CallAfter( wx.MessageBox, traceback.format_exc() ) wx.CallAfter( wx.MessageBox, text ) HydrusGlobals.emergency_exit = True self.Exit() finally: self.pub( 'splash_destroy' ) def THREADExitEverything( self ): try: self.pub( 'splash_set_title_text', 'shutting down gui...' ) self.ShutdownView() self.pub( 'splash_set_title_text', 'shutting down db...' ) self.ShutdownModel() HydrusData.CleanRunningFile( HC.DB_DIR, 'client' ) except HydrusExceptions.PermissionException: pass except HydrusExceptions.ShutdownException: pass except: text = 'A serious error occured while trying to exit the program. Its traceback may be shown next. It should have also been written to client.log. You may need to quit the program from task manager.' HydrusData.DebugPrint( text ) traceback.print_exc() wx.CallAfter( wx.MessageBox, traceback.format_exc() ) wx.CallAfter( wx.MessageBox, text ) finally: self.pub( 'splash_destroy' ) def Write( self, action, *args, **kwargs ): if action == 'content_updates': self._managers[ 'undo' ].AddCommand( 'content_updates', *args, **kwargs ) return HydrusController.HydrusController.Write( self, action, *args, **kwargs )