--- documentViewer/documentViewer.py	2006/09/11 14:43:09	1.19
+++ documentViewer/documentViewer.py	2007/01/11 12:03:17	1.20
@@ -17,6 +17,7 @@ import os.path
 import sys
 import cgi
 import urllib
+import logging
 import zLOG
 import urlparse 
 
@@ -59,7 +60,7 @@ def urlopen(url,timeout=2):
 ##
 class documentViewer(Folder):
     """document viewer"""
-    textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"
+    #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?"
     
     meta_type="Document viewer"
     
@@ -229,6 +230,35 @@ class documentViewer(Folder):
             raise IOError("Unable to read index meta from %s"%(url))
                  
         return dom
+    
+    def getPresentationInfoXML(self, url):
+        """returns dom of info.xml document at url"""
+        num_retries = 3
+        dom = None
+        metaUrl = None
+        if url.startswith("http://"):
+            # real URL
+            metaUrl = url
+        else:
+            # online path
+            server=self.digilibBaseUrl+"/servlet/Texter?fn="
+            metaUrl=server+url.replace("/mpiwg/online","")
+           
+        
+        for cnt in range(num_retries):
+            try:
+                # patch dirk encoding fehler treten dann nicht mehr auf
+                # dom = NonvalidatingReader.parseUri(metaUrl)
+                txt=urllib.urlopen(metaUrl).read()
+                dom = Parse(txt)
+                break
+            except:
+                zLOG.LOG("ERROR documentViewer (getPresentationInfoXML)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2])
+                
+        if dom is None:
+            raise IOError("Unable to read infoXMLfrom %s"%(url))
+                 
+        return dom
                         
         
     def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None):
@@ -345,11 +375,29 @@ class documentViewer(Folder):
 
            docinfo['textURL'] = textUrl
                      
-       docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)
+   
+       presentationUrls=dom.xpath("//texttool/presentation")
+       if presentationUrls and (len(presentationUrls)>0):
+            # presentation url ergiebt sich ersetzen von index.meta in der url der fŸr die Metadaten
+            # durch den relativen Pfad auf die presentation infos
+           presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0]))
+           
+           docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)
+       else:
+           docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)   
        docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)
        return docinfo
    
-
+   
+    def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None):
+        """gets the bibliographical information from the preseantion entry in texttools
+        """
+        dom=self.getPresentationInfoXML(url)
+        docinfo['author']=getTextFromNode(dom.xpath("//author")[0])
+        docinfo['title']=getTextFromNode(dom.xpath("//title")[0])
+        docinfo['year']=getTextFromNode(dom.xpath("//date")[0])
+        return docinfo
+    
     def getDocinfoFromImagePath(self,path,docinfo=None):
         """path ist the path to the images it assumes that the index.meta file is one level higher."""
         zLOG.LOG("documentViewer (getdocinfofromimagepath)", zLOG.INFO,"path: %s"%(path))
@@ -370,7 +418,8 @@ class documentViewer(Folder):
         """returns docinfo depending on mode"""
         zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"mode: %s, url: %s"%(mode,url))
         # look for cached docinfo in session
-        if self.REQUEST.SESSION.has_key('docinfo'):
+        # XXXX Sesion abgeschaltet
+        if self.REQUEST.SESSION.has_key('docinfo_XX'):
             docinfo = self.REQUEST.SESSION['docinfo']
             # check if its still current
             if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url:
@@ -471,8 +520,11 @@ class documentViewer(Folder):
     def findDigilibUrl(self):
         """try to get the digilib URL from zogilib"""
         url = self.imageViewerUrl[:-1] + "/getScalerUrl"
-        print urlparse.urlparse(url)[0]
-        print urlparse.urljoin(self.absolute_url(),url)
+        #print urlparse.urlparse(url)[0]
+        #print urlparse.urljoin(self.absolute_url(),url)
+        logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0])
+        logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url))
+        
         try:
             if urlparse.urlparse(url)[0]=='': #relative path
                 url=urlparse.urljoin(self.absolute_url()+"/",url)