check that the path column is retrived when trying to get the object, not when...

check that the path column is retrived when trying to get the object, not when initializing the class, not to break compatibility whith methods that are defined to ZSQLBrain without actually using it (eg. z_count_results). Also remove commented out code


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@6071 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ZSQLCatalog/zsqlbrain.py

@@ -26,38 +26,13 @@ class  ZSQLBrain(Acquisition.Implicit):
   security = ClassSecurityInfo()
   security.declareObjectPublic()
 
-  def __init__(self) :
-    """Init the brain and make sure path was retrieved from the RDB"""
-    if 'path' not in dir(self) and 'PATH' not in dir(self):
-      raise ValueError, "Unable to use ZSQLBrain if ZSQL Method does "\
-                        "not retrieves the `path` column from catalog table."
-
   def _aq_dynamic(self, name):
-    """Acquire an attribute from a real object.
-    """
-    if name.startswith('__') :
-      return None
-    o = self.getObject()
-    return getattr(o, name, None)
-
-#   def __getattr__(self, key):
-#     return "toto"
-#     if hasattr(self, key):
-#       return self.__dict__[key]
-#     elif hasattr(ZSQLBrain, key):
-#       return ZSQLBrain.__dict__[key]
-#     else:
-#       if self.o_self is None:
-#         self.o_self = self.getObject()
-#       if self.o_self is not None:
-#         try:
-#           result = self.o_self.getProperty(key)
-#           self.__dict__[key] = result
-#         except:
-#           result = 'Can not evaluate attribute: %s' % cname_id
-#       else:
-#           result = 'Object does not exist'
-#       return result
+   """Acquire an attribute from a real object.
+   """
+   if name.startswith('__') :
+     return None
+   o = self.getObject()
+   return getattr(o, name, None)
 
   def getURL(self):
     return self.path
@@ -75,17 +50,23 @@ class  ZSQLBrain(Acquisition.Implicit):
 
   def getObject(self, REQUEST=None):
     """Try to return the object for this record"""
+    if 'path' not in dir(self) and 'PATH' not in dir(self):
+      raise ValueError, "Unable to getObject from ZSQLBrain if ZSQL Method "\
+                  "does not retrieves the `path` column from catalog table."
     try:
       obj = self.aq_parent.unrestrictedTraverse(self.getPath())
       if obj is None:
         if REQUEST is None:
           REQUEST = self.REQUEST
-        obj = self.aq_parent.portal_catalog.resolve_url(self.getPath(), REQUEST)
+        obj = self.aq_parent.portal_catalog.resolve_url(
+                                  self.getPath(), REQUEST)
       return obj
     except ConflictError:
       raise
     except:
-      LOG("ZCatalog WARNING",0,"Could not access object path %s" % self.getPath(), error=sys.exc_info() )
+      LOG("ZCatalog WARNING", 0,
+          "Could not access object path %s" % self.getPath(),
+          error=sys.exc_info() )
       return None
 
   def absolute_url(self):