[Zope3-checkins] SVN: Zope3/branches/srichter-twisted-integration/src/zope/publisher/http.py Do not set a header, if 'getLogMessage()' returns None.

[Stephan Richter]

Log message for revision 30065:
  Do not set a header, if 'getLogMessage()' returns None.
  

Changed:
  U   Zope3/branches/srichter-twisted-integration/src/zope/publisher/http.py

-=-
Modified: Zope3/branches/srichter-twisted-integration/src/zope/publisher/http.py
===================================================================
--- Zope3/branches/srichter-twisted-integration/src/zope/publisher/http.py	2005-04-20 17:02:20 UTC (rev 30064)
+++ Zope3/branches/srichter-twisted-integration/src/zope/publisher/http.py	2005-04-20 19:55:14 UTC (rev 30065)
@@ -470,7 +470,8 @@
 
         logging_info = ILoggingInfo(principal)
         message = logging_info.getLogMessage()
-        self.response.setHeader('x-zope-principal', message)
+        if message is not None:
+            self.response.setHeader('x-zope-principal', message)
 
     def _createResponse(self, outstream):
         # Should be overridden by subclasses