Source Code for Module Products.ZenRelations.PrimaryPathObjectManager

  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__="""PrimaryPathObjectManager 
 12   
 13  $Id: RelationshipBase.py,v 1.26 2003/10/03 16:16:01 edahl Exp $""" 
 14   
 15  __version__ = "$Revision: 1.26 $"[11:-2] 
 16   
 17  import logging 
 18  log = logging.getLogger("zen.PrimaryPathObjectManager") 
 19   
 20  # base classes for PrimaryPathObjectManager 
 21  from RelCopySupport import RelCopyContainer 
 22  from Acquisition import Implicit, aq_base 
 23  from OFS.ObjectManager import ObjectManager 
 24  from AccessControl.Role import RoleManager 
 25  import App.Undo 
 26   
 27  from ZItem import ZItem 
 28   
 29   
 30   
 31  from Products.BTreeFolder2.BTreeFolder2 import BTreeFolder2 
 32   
 33  _MARKER = object() 
 34   
 35 -class PrimaryPathManager(ZItem, Implicit, RoleManager): 
 36   
 37 -    def getPrimaryPath(self, fromNode=None): 
 38          """ 
 39          Return the primary path of this object by following __primary_parent__ 
 40          """ 
 41          ppath = [] 
 42          obj = aq_base(self) 
 43          while True: 
 44              ppath.append(obj.id) 
 45              parent = getattr(obj, "__primary_parent__", None) 
 46              if parent is None: break 
 47              obj = parent 
 48          ppath.reverse() 
 49          basepath = getattr(obj, "zPrimaryBasePath", []) 
 50          for i in range(len(basepath)-1,-1,-1): ppath.insert(0,basepath[i]) 
 51          try: 
 52              idx = ppath.index(fromNode) 
 53              ppath = ppath[idx+1:] 
 54          except ValueError: pass 
 55          return tuple(ppath) 
 56   
 57       
 58 -    def getPrimaryId(self, fromNode=None): 
 59          """Return the primary path in the form /zport/dmd/xyz""" 
 60          pid = "/".join(self.getPrimaryPath(fromNode)) 
 61          if fromNode: pid = "/" + pid 
 62          return pid 
 63   
 64   
 65 -    def getPrimaryUrlPath(self, full=False): 
 66          """Return the primary path as an absolute url""" 
 67          objaq = self.primaryAq() 
 68          if full: return objaq.absolute_url() 
 69          return objaq.absolute_url_path() 
 70           
 71 -    def primaryAq(self): 
 72          """Return self with is acquisition path set to primary path""" 
 73          parent = getattr(self, "__primary_parent__", _MARKER) 
 74          if parent is _MARKER: # dmd - no __primary_parent__ 
 75              base = self.getPhysicalRoot().zport 
 76              return aq_base(self).__of__(base) 
 77          if parent is None: # Deleted object 
 78              raise KeyError(self.id) 
 79          return aq_base(self).__of__(parent.primaryAq()) 
 80   
 81 -    def getPrimaryParent(self): 
 82          """Return our parent object by our primary path""" 
 83          return self.__primary_parent__.primaryAq() 
 84   
 85   
 86 -class PrimaryPathObjectManager( 
 87              RelCopyContainer, 
 88              ObjectManager,  
 89              PrimaryPathManager,  
 90              App.Undo.UndoSupport, 
 91              ): 
 92      """ 
 93      PrimaryPathObjectManager with basic Zope persistent classes. 
 94      """ 
 95      manage_options = (ObjectManager.manage_options + 
 96                        RoleManager.manage_options + 
 97                        ZItem.manage_options) 
 98   
 99 -    def _setObject(self, id, obj, roles=None, user=None, set_owner=1): 
100          """Track __primary_parent__ when we are set into an object""" 
101          obj.__primary_parent__ = aq_base(self) 
102          return ObjectManager._setObject(self, id, obj, roles, user, set_owner) 
103   
104   
105 -    def _delObject(self, id, dp=1, suppress_events=False): 
106          """When deleted clear __primary_parent__.""" 
107          obj = self._getOb(id, None) 
108          if obj is None: 
109              # Added this check because we are seeing stack traces in the UI.  
110              # We aren't 100% sure what is causing the object to disappear from  
111              # the ObjectManager. It could be that a different user had already  
112              # deleted it or that a single user had two brower tabs open. Ian saw  
113              # a case were the references on an object were wrong (getPrimaryId 
114              # pointed to the wrong location) but I'm not sure that is what is  
115              # causing this problem. -EAD 
116              log.warning( 
117              "Tried to delete object id '%s' but didn't find it on %s",  
118              id, self.getPrimaryId()) 
119              return 
120          ObjectManager._delObject(self, id, dp, suppress_events) 
121          obj.__primary_parent__ = None 
122   
123   
124 -class PrimaryPathBTreeFolder2(BTreeFolder2): 
125      """ 
126      BTreeFolder2 PrimaryPathObjectManager. 
127      """ 
128 -    def _setObject(self, id, obj, roles=None, user=None, set_owner=1): 
129          """Track __primary_parent__ when we are set into an object""" 
130          obj.__primary_parent__ = aq_base(self) 
131          return ObjectManager._setObject(self, id, obj, roles, user, set_owner) 
132   
133   
134 -    def _delObject(self, id, dp=1, suppress_events=False): 
135          """When deleted clear __primary_parent__.""" 
136          obj = self._getOb(id) 
137          ObjectManager._delObject(self, id, dp, suppress_events) 
138          obj.__primary_parent__ = None 
139