added global_settings.is_py2

gluon/_compat.py

@@ -45,11 +45,6 @@ if PY2:
     unichr = unichr
     unicodeT = unicode
 
-    def implements_iterator(cls):
-        cls.next = cls.__next__
-        del cls.__next__
-        return cls
-
     def implements_bool(cls):
         cls.__nonzero__ = cls.__bool__
         del cls.__bool__

gluon/cache.py

@@ -40,7 +40,7 @@ try:
 except ImportError:
     have_settings = False
 
-from gluon._compat import pickle, thread, to_bytes, to_native
+from gluon._compat import pickle, thread, to_bytes, to_native, hashlib_md5
 
 try:
     import psutil
@@ -624,7 +624,7 @@ class Cache(object):
                         cache_key.append(current.request.env.query_string)
                     if lang_:
                         cache_key.append(current.T.accepted_language)
-                    cache_key = hashlib.md5('__'.join(cache_key)).hexdigest()
+                    cache_key = hashlib_md5('__'.join(cache_key)).hexdigest()
                     if prefix:
                         cache_key = prefix + cache_key
                     try:

gluon/html.py

@@ -21,7 +21,7 @@ import base64
 from gluon import sanitizer, decoder
 import itertools
 from gluon._compat import reduce, pickle, copyreg, HTMLParser, name2codepoint, iteritems, unichr, unicodeT, urllib_quote, to_bytes, \
-                          to_native, to_unicode, _local_html_escape, basestring, urlencode
+                          to_native, to_unicode, _local_html_escape, basestring, urlencode, implements_bool
 import marshal
 
 from gluon.storage import Storage
@@ -671,7 +671,7 @@ def XML_pickle(data):
     return XML_unpickle, (marshal.dumps(str(data)),)
 copyreg.pickle(XML, XML_pickle, XML_unpickle)
 
-
+@implements_bool
 class DIV(XmlComponent):
     """
     HTML helper, for easy generating and manipulating a DOM structure.
@@ -824,8 +824,6 @@ class DIV(XmlComponent):
         """
         return True
 
-    __nonzero__ = __bool__
-
     def _fixup(self):
         """
         Handling of provided components.

gluon/settings.py

@@ -10,6 +10,7 @@ import os
 import sys
 import platform
 from gluon.storage import Storage
+from gluon._compat import PY2
 
 global_settings = Storage()
 settings = global_settings  # legacy compatibility
@@ -40,3 +41,5 @@ global_settings.is_jython = \
 
 global_settings.is_source = os.path.exists(os.path.join(
         global_settings.gluon_parent, 'web2py.py'))
+        
+global_settings.is_py2 = PY2