Package flumotion :: Package common :: Module componentui
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Source Code for Module flumotion.common.componentui

 1  # -*- Mode: Python; -*- 
 2  # vi:si:et:sw=4:sts=4:ts=4 
 3  # 
 4  # Flumotion - a streaming media server 
 5  # Copyright (C) 2004,2005,2006,2007 Fluendo, S.L. (www.fluendo.com). 
 6  # All rights reserved. 
 7   
 8  # This file may be distributed and/or modified under the terms of 
 9  # the GNU General Public License version 2 as published by 
10  # the Free Software Foundation. 
11  # This file is distributed without any warranty; without even the implied 
12  # warranty of merchantability or fitness for a particular purpose. 
13  # See "LICENSE.GPL" in the source distribution for more information. 
14   
15  # Licensees having purchased or holding a valid Flumotion Advanced 
16  # Streaming Server license may use this file in accordance with the 
17  # Flumotion Advanced Streaming Server Commercial License Agreement. 
18  # See "LICENSE.Flumotion" in the source distribution for more information. 
19   
20  # Headers in this file shall remain intact. 
21   
22  """jelliers for State shared between worker, manager and admin 
23  """ 
24   
25  # FIXME: Users of this module relies heavily on side effects, 
26  #        this should be addressed so they have to call a function 
27  #        to register the unjelliers, imports should have as few 
28  #        side effects as possible 
29   
30  from twisted.spread import pb 
31   
32  from flumotion.twisted import flavors 
33  from flumotion.common import registry 
34   
35  __version__ = "$Rev: 6964 $" 
36   
37   
38  # state of a component used for UI purposes 
39 -class WorkerComponentUIState(flavors.StateCacheable):
40 pass
41 42
43 -class ManagerComponentUIState(flavors.StateCacheable, flavors.StateRemoteCache):
44 - def processUniqueID(self):
45 # Make sure proxies for the same object are the same, if we are 46 # later cached by someone else. See bug #519. 47 return id(self.__dict__)
48 49
50 -class AdminComponentUIState(flavors.StateRemoteCache):
51 pass
52 53 54 pb.setUnjellyableForClass(WorkerComponentUIState, ManagerComponentUIState) 55 pb.setUnjellyableForClass(ManagerComponentUIState, AdminComponentUIState) 56 57
58 -class WizardEntryState(pb.RemoteCopy):
59 - def getAcceptedMediaTypes(self):
60 """ 61 Fetches a list of media types this components accepts. 62 @returns: a list of strings 63 """ 64 return [format.media_type for format in self.accepts]
65
66 - def getProvidedMediaTypes(self):
67 """ 68 Fetches a list of media types this components provides. 69 @returns: a list of strings 70 """ 71 return [format.media_type for format in self.provides]
72 73 pb.setUnjellyableForClass(registry.RegistryEntryWizard, WizardEntryState) 74 75
76 -class WizardEntryFormatState(pb.RemoteCopy):
77 pass
78 79 pb.setUnjellyableForClass(registry.RegistryEntryWizardFormat, 80 WizardEntryFormatState) 81