--- ECHO_content/VLPExtension.py	2005/09/12 16:42:10	1.47
+++ ECHO_content/VLPExtension.py	2005/09/13 16:10:44	1.48
@@ -17,6 +17,8 @@ import urllib
 import xmlrpclib
 import vlp_xmlhelpers
 import sys
+import os
+from stat import *
 from types import *
 from Globals import package_home
 
@@ -419,7 +421,7 @@ class VLP_collection(ECHO_collection):
 			    self.REQUEST.RESPONSE.write("<p>%s</p>\n"%found.reference)
 		    except:
 			    error=sys.exc_info()[0:2]
-			    RESPONSE.write("(ERROR: %s %s)\n"%error)
+			    RESPONSE.write("(ERROR (%s): %s %s)\n"%(found.reference,error[0],error[1]))
 			    errorsTXT+="<p>No subcollection of %s  "+"(ERROR: %s %s)</p>"%error
 
 	    return errorsTXT
@@ -459,11 +461,17 @@ class VLP_collection(ECHO_collection):
 					genObj.createIndexFile()
 				except:
 					error=sys.exc_info()[0:2]
-					RESPONSE.write("<p>(ERROR: %s %s)</p>\n"%error)
+					RESPONSE.write("<p>(ERROR (%s): %s %s)</p>\n"%(fileName,error[0],error[1]))
 					errorsTXT+="<p>No indexfile of %s  "+"(ERROR: %s %s)</p>"%error
+
+			if genObj.meta_type=="VLP_subcollection":
+				genObj.pageSizeSum=getattr(genObj,fileName).getPageSizeSum()
+			else:
+				genObj.pageSizeSum=genObj.getPageSizeSum()
+			
 		except:
 			error=sys.exc_info()[0:2]
-			RESPONSE.write("<p>(ERROR: %s %s)</p>\n"%error)
+			RESPONSE.write("<p>(ERROR (%s): %s %s)</p>\n"%(fileName,error[0],error[1]))
 			errorsTXT+="<p>File not created:%s  "+"(ERROR: %s %s)</p>"%error
 				
 	errorsTXT+=self.generateSubCollections()
@@ -673,11 +681,50 @@ class VLP_resource(ECHO_resource,Cacheab
 			 return page.getAttribute('nr')
             
         return 0
+
+    def getPageSizeSum(self):
+	    """generate average page size"""
+
+	    #size of hi resolution
+	    files=[]
+	    try:
+		    pathHi=os.path.join(self.vlp_basis,self.resourceID,'pagesHi')
+		    files=os.listdir(pathHi)
+		    hi=0
+		    for f in files:
+			    hi+=os.stat(os.path.join(pathHi,f))[ST_SIZE]
+
+	    except:
+		    hi=0
+
+	    #size of hi resolution
+	    try:
+		    pathHi=os.path.join(self.vlp_basis,self.resourceID,'pagesLo')
+		    files=os.listdir(pathHi)
+		    lo=0
+		    for f in files:
+			    lo+=os.stat(os.path.join(pathHi,f))[ST_SIZE]
+
+	    except:
+		    lo=0
+
+	    
+	    return (hi,lo,len(files))
+		    
+
+    def getPageWeights(self):
+	    """average Page sizes in kBytes"""
     
+	    res=getattr(self,'pageSizeSum',(0,0,1))
+	    return (res[0]/(1024*res[2]),res[1]/(1024*res[2]))
+			    
+	    
+	    
     def dir2index(self):
         """dir to index"""
 
 	excludeNames=['Icon']
+		
 	
         def calculateName(str):
 	    name=os.path.splitext(str[1:])[0]