py3 fixes for admin app

gluon/debug.py

@@ -13,8 +13,8 @@ Debugger support classes
 
 import logging
 import pdb
-import Queue
 import sys
+from gluon._compat import Queue
 
 logger = logging.getLogger("web2py")
 

gluon/html.py

@@ -596,17 +596,18 @@ class XML(XmlComponent):
                 for A, IMG and BlockQuote).
                 The key is the tag; the value is a list of allowed attributes.
         """
-
         if sanitize:
             text = sanitizer.sanitize(text, permitted_tags, allowed_attributes)
         if isinstance(text, unicodeT):
             text = to_native(text.encode('utf8', 'xmlcharrefreplace'))
+        elif isinstance(text, bytes):
+            text = to_native(text)
         elif not isinstance(text, str):
             text = str(text)
-        self.text = to_bytes(text)
+        self.text = text
 
     def xml(self):
-        return self.text
+        return to_bytes(self.text)
 
     def __str__(self):
         return self.text

gluon/main.py

@@ -482,7 +482,7 @@ def wsgibase(environ, responder):
                     if request.ajax:
                         if response.flash:
                             http_response.headers['web2py-component-flash'] = \
-                                urllib2.quote(xmlescape(response.flash).replace('\n', ''))
+                                urllib2.quote(xmlescape(response.flash).replace(b'\n', b''))
                         if response.js:
                             http_response.headers['web2py-component-command'] = \
                                 urllib2.quote(response.js.replace('\n', ''))