import gc import HydrusConstants as HC import HydrusImageHandling import HydrusSessions import HydrusTags import ClientConstants as CC import ClientDB import ClientGUI import ClientGUIDialogs import os import sqlite3 import threading import time import traceback import wx import wx.richtext ID_ANIMATED_EVENT_TIMER = wx.NewId() ID_MAINTENANCE_EVENT_TIMER = wx.NewId() class Controller( wx.App ): def _Read( self, action, *args, **kwargs ): if action == 'options': return self._options elif action == 'file': return self._db.ReadFile( *args, **kwargs ) elif action == 'thumbnail': return self._db.ReadThumbnail( *args, **kwargs ) else: return self._db.Read( action, HC.HIGH_PRIORITY, *args, **kwargs ) def _Write( self, action, priority, *args, **kwargs ): self._db.Write( action, priority, *args, **kwargs ) def ClearCaches( self ): self._thumbnail_cache.Clear() self._fullscreen_image_cache.Clear() self._preview_image_cache.Clear() def Clipboard( self, type, data ): # need this cause can't do it in a non-gui thread if 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 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.' ) def DeleteSessionKey( self, service_identifier ): self._session_manager.DeleteSessionKey( service_identifier ) def EventAnimatedTimer( self, event ): del gc.garbage[:] HC.pubsub.pub( 'animated_tick' ) def EventMaintenanceTimer( self, event ): if int( time.time() ) - self._last_idle_time > 60 * 60: # a long time, so we probably just woke up from a sleep self._last_idle_time = int( time.time() ) if int( time.time() ) - self._last_idle_time > 20 * 60: # 20 mins since last user-initiated db request self.MaintainDB() def EventPubSub( self, event ): pubsubs_queue = HC.pubsub.GetQueue() ( callable, args, kwargs ) = pubsubs_queue.get() try: callable( *args, **kwargs ) except wx._core.PyDeadObjectError: pass except TypeError: pass except Exception as e: print( type( e ) ) print( traceback.format_exc() ) pubsubs_queue.task_done() def Exception( self, exception ): wx.MessageBox( unicode( exception ) ) def GetFullscreenImageCache( self ): return self._fullscreen_image_cache def GetGUI( self ): return self._gui def GetLog( self ): return self._log def GetPreviewImageCache( self ): return self._preview_image_cache def GetSessionKey( self, service_identifier ): return self._session_manager.GetSessionKey( service_identifier ) def GetTagParentsManager( self ): return self._tag_parents_manager def GetTagSiblingsManager( self ): return self._tag_siblings_manager def GetThumbnailCache( self ): return self._thumbnail_cache def GetWebCookies( self, name ): return self._web_session_manager.GetCookies( name ) def MaintainDB( self ): gc.collect() now = int( time.time() ) shutdown_timestamps = self.Read( 'shutdown_timestamps' ) if now - shutdown_timestamps[ CC.SHUTDOWN_TIMESTAMP_VACUUM ] > 86400 * 5: self.Write( 'vacuum' ) # try no fatten, since we made the recent A/C changes #if now - shutdown_timestamps[ CC.SHUTDOWN_TIMESTAMP_FATTEN_AC_CACHE ] > 50000: self.Write( 'fatten_autocomplete_cache' ) if now - shutdown_timestamps[ CC.SHUTDOWN_TIMESTAMP_DELETE_ORPHANS ] > 86400 * 3: self.Write( 'delete_orphans' ) def Message( self, message ): wx.MessageBox( message ) def OnInit( self ): HC.app = self try: self._options = {} # this is for the db locked dialog self._splash = ClientGUI.FrameSplash() self.SetSplashText( 'log' ) self._log = CC.Log() self.SetSplashText( 'db' ) db_initialised = False while not db_initialised: try: self._db = ClientDB.DB() db_initialised = True except HC.DBAccessException as e: print( unicode( e ) ) message = 'This instance of the client had a problem connecting to the database, which probably means an old instance is still closing.' message += os.linesep + os.linesep message += 'If the old instance does not close for a _very_ long time, you can usually safely force-close it from task manager.' with ClientGUIDialogs.DialogYesNo( None, message, yes_label = 'wait a bit, then try again', no_label = 'quit now' ) as dlg: if dlg.ShowModal() == wx.ID_YES: time.sleep( 3 ) else: return False self._options = self._db.Read( 'options', HC.HIGH_PRIORITY ) self._session_manager = HydrusSessions.HydrusSessionManagerClient() self._web_session_manager = CC.WebSessionManagerClient() self._tag_parents_manager = HydrusTags.TagParentsManager() self._tag_siblings_manager = HydrusTags.TagSiblingsManager() self._undo_manager = CC.UndoManager() self.SetSplashText( 'caches' ) self._fullscreen_image_cache = CC.RenderedImageCache( self._db, self._options, 'fullscreen' ) self._preview_image_cache = CC.RenderedImageCache( self._db, self._options, 'preview' ) self._thumbnail_cache = CC.ThumbnailCache( self._db, self._options ) CC.GlobalBMPs.STATICInitialise() self.SetSplashText( 'gui' ) self._gui = ClientGUI.FrameGUI() HC.pubsub.sub( self, 'Exception', 'exception' ) HC.pubsub.sub( self, 'Message', 'message' ) HC.pubsub.sub( self, 'Clipboard', 'clipboard' ) self.Bind( HC.EVT_PUBSUB, self.EventPubSub ) # 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.Bind( wx.EVT_TIMER, self.EventAnimatedTimer, id = ID_ANIMATED_EVENT_TIMER ) self._animated_event_timer = wx.Timer( self, ID_ANIMATED_EVENT_TIMER ) self._animated_event_timer.Start( 1000, wx.TIMER_CONTINUOUS ) self.SetSplashText( 'starting daemons' ) if HC.is_first_start: self._gui.DoFirstStart() self._db._InitPostGUI() self._last_idle_time = 0.0 self.Bind( wx.EVT_TIMER, self.EventMaintenanceTimer, id = ID_MAINTENANCE_EVENT_TIMER ) self._maintenance_event_timer = wx.Timer( self, ID_MAINTENANCE_EVENT_TIMER ) self._maintenance_event_timer.Start( 20 * 60000, wx.TIMER_CONTINUOUS ) except sqlite3.OperationalError as e: print( traceback.format_exc() ) message = 'Database error!' message += os.linesep + os.linesep message += unicode( e ) print message wx.MessageBox( message ) return False except HC.PermissionException as e: pass except: wx.MessageBox( 'Woah, bad error:' + os.linesep + os.linesep + traceback.format_exc() ) try: self._splash.Close() except: pass return False self._splash.Close() return True def PrepStringForDisplay( self, text ): if self._options[ 'gui_capitalisation' ]: return text else: return text.lower() def ProcessServerRequest( self, *args, **kwargs ): return self._db.ProcessRequest( *args, **kwargs ) def Read( self, action, *args, **kwargs ): self._last_idle_time = int( time.time() ) return self._Read( action, *args, **kwargs ) def ReadDaemon( self, action, *args, **kwargs ): return self._Read( action, *args, **kwargs ) def SetSplashText( self, text ): self._splash.SetText( text ) self.Yield() # this processes the event queue immediately, so the paint event can occur def WaitUntilGoodTimeToUseGUIThread( self ): pubsubs_queue = HC.pubsub.GetQueue() while True: if HC.shutdown: raise Exception( 'Client shutting down!' ) elif pubsubs_queue.qsize() == 0: return else: time.sleep( 0.0001 ) def Write( self, action, *args, **kwargs ): self._last_idle_time = int( time.time() ) if False and action == 'content_updates': self._undo_manager.AddCommand( 'content_updates', *args, **kwargs ) self._Write( action, HC.HIGH_PRIORITY, *args, **kwargs ) def WriteDaemon( self, action, *args, **kwargs ): self._Write( action, HC.LOW_PRIORITY, *args, **kwargs ) def WriteLowPriority( self, action, *args, **kwargs ): self._Write( action, HC.LOW_PRIORITY, *args, **kwargs )