Turn off HTTP Request's URL cache until traversal is done. Incorrect values...

Turn off HTTP Request's URL cache until traversal is done.  Incorrect values were being cached in the presence of a DTML
Method Access Rule.

lib/python/ZPublisher/HTTPRequest.py

@@ -11,7 +11,7 @@
 #
 ##############################################################################
 
-__version__='$Revision: 1.87 $'[11:-2]
+__version__='$Revision: 1.88 $'[11:-2]
 
 import re, sys, os,  urllib, time, random, cgi, codecs
 from types import StringType, UnicodeType
@@ -1107,8 +1107,10 @@ class HTTPRequest(BaseRequest):
                     path = [''] + path[:n]
                 else:
                     path = [other['SERVER_URL']] + path[:n]
-                other[key] = URL = '/'.join(path)
-                self._urls = self._urls + (key,)
+                if other.has_key('PUBLISHED'):
+                    # Don't cache URLs until publishing traversal is done.
+                    other[key] = URL = '/'.join(path)
+                    self._urls = self._urls + (key,)
                 return URL
 
         if isCGI_NAME(key) or key[:5] == 'HTTP_':
@@ -1137,8 +1139,10 @@ class HTTPRequest(BaseRequest):
                     v.insert(0, '')
                 else:
                     v.insert(0, other['SERVER_URL'])
-                other[key] = URL = '/'.join(v)
-                self._urls = self._urls + (key,)
+                if other.has_key('PUBLISHED'):
+                    # Don't cache URLs until publishing traversal is done.
+                    other[key] = URL = '/'.join(v)
+                    self._urls = self._urls + (key,)
                 return URL
 
             if key=='BODY' and self._file is not None: