Source Code for Package Products.ZenRelations

 1  ############################################################################## 
 2  #  
 3  # Copyright (C) Zenoss, Inc. 2007, all rights reserved. 
 4  #  
 5  # This content is made available according to terms specified in 
 6  # License.zenoss under the directory where your Zenoss product is installed. 
 7  #  
 8  ############################################################################## 
 9   
10   
11  __doc__="""__init__ 
12   
13  Initialize the RelationshipManager Product 
14   
15  $Id: __init__.py,v 1.9 2002/12/06 14:25:57 edahl Exp $""" 
16   
17  __version__ = "$Revision: 1.9 $"[11:-2] 
18   
19  import logging 
20  from RelationshipManager import RelationshipManager, addRelationshipManager, \ 
21                                  manage_addRelationshipManager 
22  from ToOneRelationship import ToOneRelationship, addToOneRelationship, \ 
23                                  manage_addToOneRelationship 
24  from ToManyRelationship import ToManyRelationship, addToManyRelationship, \ 
25                                  manage_addToManyRelationship 
26  from ToManyContRelationship import ToManyContRelationship, \ 
27                                  addToManyContRelationship, \ 
28                                  manage_addToManyContRelationship 
29  from Products.ZenRelations.ZenPropertyManager import setDescriptors 
30   
31  log = logging.getLogger("zen.ZenRelations") 
32   
33 -class ZODBConnectionError(Exception): 
34      pass 
35   
36 -def initialize(registrar): 
37      registrar.registerClass( 
38          RelationshipManager, 
39          constructors = (addRelationshipManager, manage_addRelationshipManager)) 
40      registrar.registerBaseClass(RelationshipManager) 
41      registrar.registerClass( 
42          ToOneRelationship, 
43          constructors = (addToOneRelationship, manage_addToOneRelationship), 
44          icon = 'www/ToOneRelationship_icon.gif') 
45      registrar.registerClass( 
46          ToManyRelationship, 
47          constructors = (addToManyRelationship, manage_addToManyRelationship), 
48          icon = 'www/ToManyRelationship_icon.gif') 
49      registrar.registerClass( 
50          ToManyContRelationship, 
51          constructors = (addToManyContRelationship,  
52                          manage_addToManyContRelationship), 
53          icon = 'www/ToManyContRelationship_icon.gif') 
54   
55 -def registerDescriptors(event): 
56      """ 
57      Handler for IZopeApplicationOpenedEvent which registers property descriptors. 
58      """ 
59      zport = getattr(event.app, 'zport', None) 
60      # zport may not exist if we are using zenbuild to initialize the database 
61      if zport: 
62          try: 
63              setDescriptors(zport.dmd) 
64          except Exception, e: 
65              args = (e.__class__.__name__, e) 
66              log.info("Unable to set property descriptors: %s: %s", *args) 
67