[Checkins] SVN: zope.introspector/branches/ulif-grokui-integration/src/zope/introspector/descriptionprovider.py DescriptionProviders should accept dotted names to identify objects.

[Uli Fouquet]

Log message for revision 88535:
  DescriptionProviders should accept dotted names to identify objects.

Changed:
  U   zope.introspector/branches/ulif-grokui-integration/src/zope/introspector/descriptionprovider.py

-=-
Modified: zope.introspector/branches/ulif-grokui-integration/src/zope/introspector/descriptionprovider.py
===================================================================
--- zope.introspector/branches/ulif-grokui-integration/src/zope/introspector/descriptionprovider.py	2008-07-18 19:42:22 UTC (rev 88534)
+++ zope.introspector/branches/ulif-grokui-integration/src/zope/introspector/descriptionprovider.py	2008-07-18 19:43:20 UTC (rev 88535)
@@ -25,28 +25,30 @@
 class DescriptionFinder(grok.GlobalUtility):
     """Find a description provider.
 
-    Find a component that takes an object and returns some kind of
-    info object to describe it.
+    Find a component that takes an object or a dotted name and returns
+    some kind of info object to describe it.
     """
     grok.implements(IObjectDescriptionProvider)
 
-    def getDescription(self, obj_or_dotted_path, *args, **kw):
-        obj = resolve(obj_or_dotted_path)
+    def getDescription(self, obj=None, dotted_name=None, **kw):
+        if obj is None and dotted_name is not None:
+            obj = resolve(dotted_name)
         sorted_reg = sorted(descriptor_registry,
                             cmp = lambda x,y: x['priority'] - y['priority'])
         for descriptor in sorted_reg:
+            
             handler = descriptor['handler']()
-            if handler.canHandle(obj):
-                return handler.getDescription(obj)
+            if handler.canHandle(obj, dotted_name=dotted_name):
+                return handler.getDescription(obj, dotted_name=dotted_name)
         # If no descriptor could be found, we return the plainest one.
-        return ObjectInfo(obj)
+        return ObjectInfo(obj, dotted_name=dotted_name)
 
 class DescriptionProvider(object):
     """Description Providers must inherit from this to be registered.
     """
-    def canHandle(self, obj, *args, **kw):
+    def canHandle(self, obj, dotted_name=None, **kw):
         return False
 
-    def getDescription(self, obj, *args, **kw):
-        return ObjectInfo(obj)
+    def getDescription(self, obj, dotted_name=None, **kw):
+        return ObjectInfo(obj, dotted_name)