File six.patch of Package python-FormEncode

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File six.patch of Package python-FormEncode

From c1a88e900043adeaaec530053ca896d34823f8df Mon Sep 17 00:00:00 2001
From: Chris Lambacher <chris@kateandchris.net>
Date: Wed, 9 Dec 2015 00:02:16 -0500
Subject: [PATCH] Remove 2to3 in favour using six

Index: FormEncode-1.3.1/docs/Validator.txt
===================================================================
--- FormEncode-1.3.1.orig/docs/Validator.txt
+++ FormEncode-1.3.1/docs/Validator.txt
@@ -61,11 +61,12 @@ sort of feedback.  Like:
     >>> raw_input_input = []
     >>> def raw_input(prompt):
     ...     value = raw_input_input.pop(0)
-    ...     print '%s%s' % (prompt, value)
+    ...     print ('%s%s' % (prompt, value))
     ...     return value
     >>> raw_input_input.extend(['ten', '10'])
     >>> raw_input_input.extend(['bob', 'bob@nowhere.com'])
-    >>> if unicode is str:  # Python 3
+    >>> import six
+    >>> if six.PY3:  # Python 3
     ...    input = raw_input
 
 ::
@@ -75,8 +76,8 @@ sort of feedback.  Like:
     ...         try:
     ...             value = raw_input('Enter a number: ')
     ...             return validator.to_python(value)
-    ...         except formencode.Invalid, e:
-    ...             print e
+    ...         except formencode.Invalid as e:
+    ...             print (e)
     ...
     >>> get_integer()
     Enter a number: ten
@@ -91,8 +92,8 @@ We can also generalize this kind of func
     ...         try:
     ...             value = raw_input(prompt)
     ...             return validator.to_python(value)
-    ...         except formencode.Invalid, e:
-    ...             print e
+    ...         except formencode.Invalid as e:
+    ...             print (e)
     >>> valid_input('Enter your email: ', validators.Email())
     Enter your email: bob
     An email address must contain a single @
Index: FormEncode-1.3.1/formencode/__init__.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/__init__.py
+++ FormEncode-1.3.1/formencode/__init__.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 # formencode package
 
 from formencode.api import (
Index: FormEncode-1.3.1/formencode/api.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/api.py
+++ FormEncode-1.3.1/formencode/api.py
@@ -1,6 +1,7 @@
 """
 Core classes for validation.
 """
+from __future__ import absolute_import
 
 from . import declarative
 import gettext
@@ -8,6 +9,7 @@ import os
 import re
 import textwrap
 import warnings
+import six
 
 try:
     from pkg_resources import resource_filename
@@ -150,15 +152,15 @@ class Invalid(Exception):
         val = self.msg
         return val
 
-    if unicode is not str:  # Python 2
+    if six.text_type is not str:  # Python 2
 
         def __unicode__(self):
-            if isinstance(self.msg, unicode):
+            if isinstance(self.msg, six.text_type):
                 return self.msg
             elif isinstance(self.msg, str):
                 return self.msg.decode('utf8')
             else:
-                return unicode(self.msg)
+                return six.text_type(self.msg)
 
     def unpack_errors(self, encode_variables=False, dict_char='.',
                       list_char='-'):
@@ -177,15 +179,15 @@ class Invalid(Exception):
                 for item in self.error_list]
         if self.error_dict:
             result = {}
-            for name, item in self.error_dict.iteritems():
+            for name, item in six.iteritems(self.error_dict):
                 result[name] = item if isinstance(
-                    item, basestring) else item.unpack_errors()
+                    item, six.string_types) else item.unpack_errors()
             if encode_variables:
                 from . import variabledecode
                 result = variabledecode.variable_encode(
                     result, add_repetitions=False,
                     dict_char=dict_char, list_char=list_char)
-                for key in result.keys():
+                for key in list(result.keys()):
                     if not result[key]:
                         del result[key]
             return result
@@ -245,8 +247,8 @@ class Validator(declarative.Declarative)
         except AttributeError:
             try:
                 if self.use_builtins_gettext:
-                    import __builtin__
-                    trans = __builtin__._
+                    import six.moves.builtins
+                    trans = six.moves.builtins._
                 else:
                     trans = _stdtrans
             except AttributeError:
@@ -311,7 +313,7 @@ class Validator(declarative.Declarative)
         """
         doc = cls.__doc__ or ''
         doc = [textwrap.dedent(doc).rstrip()]
-        messages = sorted(cls._messages.iteritems())
+        messages = sorted(six.iteritems(cls._messages))
         doc.append('\n\n**Messages**\n\n')
         for name, default in messages:
             default = re.sub(r'(%\(.*?\)[rsifcx])', r'``\1``', default)
@@ -456,7 +458,7 @@ class FancyValidator(Validator):
 
     def to_python(self, value, state=None):
         try:
-            if self.strip and isinstance(value, basestring):
+            if self.strip and isinstance(value, six.string_types):
                 value = value.strip()
             elif hasattr(value, 'mixed'):
                 # Support Paste's MultiDict
@@ -484,7 +486,7 @@ class FancyValidator(Validator):
 
     def from_python(self, value, state=None):
         try:
-            if self.strip and isinstance(value, basestring):
+            if self.strip and isinstance(value, six.string_types):
                 value = value.strip()
             if not self.accept_python:
                 if self.is_empty(value):
@@ -520,7 +522,7 @@ class FancyValidator(Validator):
         return None
 
     def assert_string(self, value, state):
-        if not isinstance(value, basestring):
+        if not isinstance(value, six.string_types):
             raise Invalid(self.message('badType', state,
                                        type=type(value), value=value),
                           value, state)
Index: FormEncode-1.3.1/formencode/compound.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/compound.py
+++ FormEncode-1.3.1/formencode/compound.py
@@ -1,9 +1,11 @@
 """
 Validators for applying validations in sequence.
 """
+from __future__ import absolute_import
 
 from .api import (FancyValidator, Identity, Invalid, NoDefault, Validator,
     is_validator)
+import six
 
 __all__ = ['CompoundValidator', 'Any', 'All', 'Pipe']
 
@@ -39,7 +41,7 @@ class CompoundValidator(FancyValidator):
     def __classinit__(cls, new_attrs):
         FancyValidator.__classinit__(cls, new_attrs)
         toAdd = []
-        for name, value in new_attrs.iteritems():
+        for name, value in six.iteritems(new_attrs):
             if is_validator(value) and value is not Identity:
                 toAdd.append((name, value))
                 # @@: Should we really delete too?
@@ -200,7 +202,7 @@ class All(CompoundValidator):
         filtering out None and trying to keep `All` validators from
         being nested (which isn't needed).
         """
-        validators = filter(lambda v: v and v is not Identity, validators)
+        validators = [v for v in validators if v and v is not Identity]
         if not validators:
             return Identity
         if len(validators) == 1:
Index: FormEncode-1.3.1/formencode/context.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/context.py
+++ FormEncode-1.3.1/formencode/context.py
@@ -51,10 +51,12 @@ When Python 2.5 comes out, this syntax w
 
 And ``page`` will be set to ``'view'`` only inside that ``with`` block.
 """
+from __future__ import absolute_import
 
 import threading
 
 from itertools import count
+from six.moves import range
 
 __all__ = ['Context', 'ContextRestoreError']
 
@@ -96,7 +98,7 @@ class Context(object):
             "You can only write attribute on context object with the .set() method")
 
     def set(self, **kw):
-        state_id = _restore_ids.next()
+        state_id = next(_restore_ids)
         try:
             stack = self._local.stack
         except AttributeError:
Index: FormEncode-1.3.1/formencode/declarative.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/declarative.py
+++ FormEncode-1.3.1/formencode/declarative.py
@@ -17,11 +17,15 @@ in a variable by that name.
 Also, you can define a __classinit__(cls, new_attrs) method, which
 will be called when the class is created (including subclasses).
 """
+from __future__ import absolute_import
 
 import copy
 import types
 
 from itertools import count
+import six
+from six.moves import map
+from six.moves import zip
 
 
 class classinstancemethod(object):
@@ -55,9 +59,9 @@ class _methodwrapper(object):
     def __repr__(self):
         if self.obj is None:
             return ('<bound class method %s.%s>'
-                    % (self.cls.__name__, self.func.func_name))
+                    % (self.cls.__name__, self.func.__name__))
         return ('<bound method %s.%s of %r>'
-                % (self.cls.__name__, self.func.func_name, self.obj))
+                % (self.cls.__name__, self.func.__name__, self.obj))
 
 
 class DeclarativeMeta(type):
@@ -66,11 +70,11 @@ class DeclarativeMeta(type):
         cls = type.__new__(meta, class_name, bases, new_attrs)
         for name in cls.__mutableattributes__:
             setattr(cls, name, copy.copy(getattr(cls, name)))
-        cls.declarative_count = cls.counter.next()
+        cls.declarative_count = next(cls.counter)
         if ('__classinit__' in new_attrs and not isinstance(cls.__classinit__,
                 (staticmethod, types.FunctionType))):
             setattr(cls, '__classinit__',
-                    staticmethod(cls.__classinit__.im_func))
+                    staticmethod(cls.__classinit__.__func__))
         cls.__classinit__(cls, new_attrs)
         names = getattr(cls, '__singletonmethods__', None)
         if names:
@@ -97,14 +101,12 @@ class singletonmethod(object):
         return types.MethodType(self.func, obj)
 
 
-class Declarative(object):
+class Declarative(six.with_metaclass(DeclarativeMeta, object)):
 
     __unpackargs__ = ()
 
     __mutableattributes__ = ()
 
-    __metaclass__ = DeclarativeMeta
-
     __singletonmethods__ = ()
 
     counter = count()
@@ -143,10 +145,10 @@ class Declarative(object):
         for name in self.__mutableattributes__:
             if name not in kw:
                 setattr(self, name, copy.copy(getattr(self, name)))
-        for name, value in kw.iteritems():
+        for name, value in six.iteritems(kw):
             setattr(self, name, value)
         if 'declarative_count' not in kw:
-            self.declarative_count = self.counter.next()
+            self.declarative_count = next(self.counter)
         self.__initargs__(kw)
 
     def __initargs__(self, new_attrs):
@@ -179,7 +181,7 @@ class Declarative(object):
                 and self.__unpackargs__[1] in vals):
             v = vals[self.__unpackargs__[1]]
             if isinstance(v, (list, int)):
-                args.extend(map(source.makeRepr, v))
+                args.extend(list(map(source.makeRepr, v)))
                 del v[self.__unpackargs__[1]]
         for name in self.__unpackargs__:
             if name in vals:
@@ -188,7 +190,7 @@ class Declarative(object):
             else:
                 break
         args.extend('%s=%s' % (name, source.makeRepr(value))
-                     for (name, value) in vals.iteritems())
+                     for (name, value) in six.iteritems(vals))
         return '%s(%s)' % (self.__class__.__name__,
                            ', '.join(args))
 
Index: FormEncode-1.3.1/formencode/doctest_xml_compare.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/doctest_xml_compare.py
+++ FormEncode-1.3.1/formencode/doctest_xml_compare.py
@@ -1,6 +1,11 @@
+from __future__ import absolute_import
+from __future__ import print_function
 
 import doctest
 import xml.etree.ElementTree as ET
+import six
+from six.moves import map
+from six.moves import zip
 try:
     XMLParseError = ET.ParseError
 except AttributeError:  # Python < 2.7
@@ -11,7 +16,7 @@ RealOutputChecker = doctest.OutputChecke
 
 def debug(*msg):
     import sys
-    print >> sys.stderr, ' '.join(map(str, msg))
+    print(' '.join(map(str, msg)), file=sys.stderr)
 
 
 class HTMLOutputChecker(RealOutputChecker):
@@ -69,7 +74,7 @@ def xml_compare(x1, x2, reporter=None):
         if reporter:
             reporter('Tags do not match: %s and %s' % (x1.tag, x2.tag))
         return False
-    for name, value in x1.attrib.iteritems():
+    for name, value in six.iteritems(x1.attrib):
         if x2.attrib.get(name) != value:
             if reporter:
                 reporter('Attributes do not match: %s=%r, %s=%r'
@@ -120,7 +125,7 @@ def make_xml(s):
 
 
 def make_string(xml):
-    if isinstance(xml, basestring):
+    if isinstance(xml, six.string_types):
         xml = make_xml(xml)
     s = ET.tostring(xml)
     if s == '<xml />':
Index: FormEncode-1.3.1/formencode/fieldstorage.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/fieldstorage.py
+++ FormEncode-1.3.1/formencode/fieldstorage.py
@@ -3,6 +3,7 @@
 """
 Wrapper class for use with cgi.FieldStorage types for file uploads
 """
+from __future__ import absolute_import
 
 import cgi
 
Index: FormEncode-1.3.1/formencode/foreach.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/foreach.py
+++ FormEncode-1.3.1/formencode/foreach.py
@@ -1,9 +1,11 @@
 """
 Validator for repeating items.
 """
+from __future__ import absolute_import
 
 from .api import NoDefault, Invalid
 from .compound import CompoundValidator, from_python
+import six
 
 __all__ = ['ForEach']
 
@@ -83,7 +85,7 @@ class ForEach(CompoundValidator):
                     new_list = set(new_list)
                 return new_list
             else:
-                raise Invalid('Errors:\n%s' % '\n'.join(unicode(e)
+                raise Invalid('Errors:\n%s' % '\n'.join(six.text_type(e)
                     for e in errors if e), value, state, error_list=errors)
         finally:
             if state is not None:
@@ -125,7 +127,7 @@ class ForEach(CompoundValidator):
     del _IfMissing
 
     def _convert_to_list(self, value):
-        if isinstance(value, basestring):
+        if isinstance(value, six.string_types):
             return [value]
         elif value is None:
             return []
Index: FormEncode-1.3.1/formencode/htmlfill.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/htmlfill.py
+++ FormEncode-1.3.1/formencode/htmlfill.py
@@ -1,10 +1,12 @@
 """
 Parser for HTML forms, that fills in defaults and errors.  See ``render``.
 """
+from __future__ import absolute_import
 
 import re
 
 from formencode.rewritingparser import RewritingParser, html_quote
+import six
 
 __all__ = ['render', 'htmlliteral', 'default_formatter',
            'none_formatter', 'escape_formatter',
@@ -189,7 +191,7 @@ class FillingParser(RewritingParser):
         ... <input type="radio" name="living" value="no">
         ... <input type="checkbox" name="nice_guy" checked="checked">''')
         >>> parser.close()
-        >>> print parser.text() # doctest: +NORMALIZE_WHITESPACE
+        >>> print (parser.text()) # doctest: +NORMALIZE_WHITESPACE
         <input type="text" name="name" value="Bob Jones">
         <select name="occupation">
         <option value="">Default</option>
@@ -226,7 +228,7 @@ class FillingParser(RewritingParser):
         self.in_select = None
         self.skip_next = False
         self.errors = errors or {}
-        if isinstance(self.errors, basestring):
+        if isinstance(self.errors, six.string_types):
             self.errors = {None: self.errors}
         self.in_error = None
         self.skip_error = False
@@ -253,14 +255,14 @@ class FillingParser(RewritingParser):
         Compare the two objects as strings (coercing to strings if necessary).
         Also uses encoding to compare the strings.
         """
-        if not isinstance(str1, basestring):
+        if not isinstance(str1, six.string_types):
             if hasattr(str1, '__unicode__'):
-                str1 = unicode(str1)
+                str1 = six.text_type(str1)
             else:
                 str1 = str(str1)
         if type(str1) == type(str2):
             return str1 == str2
-        if isinstance(str1, unicode):
+        if isinstance(str1, six.text_type):
             str1 = str1.encode(self.encoding or self.default_encoding)
         else:
             str2 = str2.encode(self.encoding or self.default_encoding)
@@ -274,7 +276,7 @@ class FillingParser(RewritingParser):
             if key in unused_errors:
                 del unused_errors[key]
         if self.auto_error_formatter:
-            for key, value in unused_errors.iteritems():
+            for key, value in six.iteritems(unused_errors):
                 error_message = self.auto_error_formatter(value)
                 error_message = '\n%s' % (key, error_message)
                 self.insert_at_marker(
@@ -297,7 +299,7 @@ class FillingParser(RewritingParser):
         if self.encoding is not None:
             new_content = []
             for item in self._content:
-                if (unicode is not str  # Python 2
+                if (six.text_type is not str  # Python 2
                         and isinstance(item, str)):
                     item = item.decode(self.encoding)
                 new_content.append(item)
@@ -390,11 +392,11 @@ class FillingParser(RewritingParser):
         if self.prefix_error:
             self.write_marker(name)
         value = self.defaults.get(name)
-        if (unicode is not str  # Python 2
-                and isinstance(name, unicode) and isinstance(value, str)):
+        if (six.text_type is not str  # Python 2
+                and isinstance(name, six.text_type) and isinstance(value, str)):
             value = value.decode(self.encoding or self.default_encoding)
         if name in self.add_attributes:
-            for attr_name, attr_value in self.add_attributes[name].iteritems():
+            for attr_name, attr_value in six.iteritems(self.add_attributes[name]):
                 if attr_name.startswith('+'):
                     attr_name = attr_name[1:]
                     self.set_attr(attrs, attr_name,
@@ -540,7 +542,7 @@ class FillingParser(RewritingParser):
         """
         if obj is None:
             return False
-        if isinstance(obj, basestring):
+        if isinstance(obj, six.string_types):
             return obj == value
         if hasattr(obj, '__contains__'):
             if value in obj:
Index: FormEncode-1.3.1/formencode/htmlfill_schemabuilder.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/htmlfill_schemabuilder.py
+++ FormEncode-1.3.1/formencode/htmlfill_schemabuilder.py
@@ -6,6 +6,7 @@ You can either pass ``SchemaBuilder`` to
 ``listen`` argument), or call ``parse_schema`` to just parse out a
 ``Schema`` object.
 """
+from __future__ import absolute_import
 
 from . import validators
 from . import schema
Index: FormEncode-1.3.1/formencode/htmlgen.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/htmlgen.py
+++ FormEncode-1.3.1/formencode/htmlgen.py
@@ -55,8 +55,11 @@ Examples::
     '<a href="#top">return to top</a>'
 
 """
+from __future__ import absolute_import
 
 import xml.etree.ElementTree as ET
+import six
+from six.moves import map
 
 try:
     from html import escape
@@ -90,12 +93,12 @@ class _HTML:
     def quote(self, arg):
         if arg is None:
             return ''
-        if unicode is not str:  # Python 2
-            arg = unicode(arg).encode(default_encoding)
+        if six.text_type is not str:  # Python 2
+            arg = six.text_type(arg).encode(default_encoding)
         return escape(arg, True)
 
     def str(self, arg, encoding=None):
-        if isinstance(arg, basestring):
+        if isinstance(arg, six.string_types):
             if not isinstance(arg, str):
                 arg = arg.encode(default_encoding)
             return arg
@@ -106,7 +109,7 @@ class _HTML:
         elif isinstance(arg, Element):
             return str(arg)
         else:
-            arg = unicode(arg)
+            arg = six.text_type(arg)
             if not isinstance(arg, str):  # Python 2
                 arg = arg.encode(default_encoding)
             return arg
@@ -127,11 +130,11 @@ class Element(ET.Element
             args = kw.pop('c')
             if not isinstance(args, (list, tuple)):
                 args = (args,)
-        for name, value in kw.items():
+        for name, value in list(kw.items()):
             if value is None:
                 del kw[name]
                 continue
-            kw[name] = unicode(value)
+            kw[name] = six.text_type(value)
             if name.endswith('_'):
                 kw[name[:-1]] = value
                 del kw[name]
@@ -151,20 +154,20 @@ class Element(ET.Element
             if not ET.iselement(arg):
                 if last is None:
                     if el.text is None:
-                        el.text = unicode(arg)
+                        el.text = six.text_type(arg)
                     else:
-                        el.text += unicode(arg)
+                        el.text += six.text_type(arg)
                 else:
                     if last.tail is None:
-                        last.tail = unicode(arg)
+                        last.tail = six.text_type(arg)
                     else:
-                        last.tail += unicode(arg)
+                        last.tail += six.text_type(arg)
             else:
                 last = arg
                 el.append(last)
         return el
 
-    if unicode is str:  # Python 3
+    if six.text_type is str:  # Python 3
 
         def __str__(self):
             return ET.tostring(
Index: FormEncode-1.3.1/formencode/htmlrename.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/htmlrename.py
+++ FormEncode-1.3.1/formencode/htmlrename.py
@@ -1,6 +1,7 @@
 """
 Module to rename form fields
 """
+from __future__ import absolute_import
 
 from formencode.rewritingparser import RewritingParser
 
Index: FormEncode-1.3.1/formencode/national.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/national.py
+++ FormEncode-1.3.1/formencode/national.py
@@ -1,11 +1,13 @@
 """
 Country specific validators for use with FormEncode.
 """
+from __future__ import absolute_import
 import re
 
 from .api import FancyValidator
 from .compound import Any
 from .validators import Regex, Invalid, _
+import six
 
 try:
     import pycountry
@@ -53,7 +55,7 @@ if tgformat:
         else:
             d = dict(country_additions)
             d.update(dict(c2))
-        ret = d.items() + fuzzy_countrynames
+        ret = list(d.items()) + fuzzy_countrynames
         return ret
 
     def get_country(code):
@@ -65,7 +67,7 @@ if tgformat:
         if len(c1) > len(c2):
             d = dict(c1)
             d.update(dict(c2))
-            return d.items()
+            return list(d.items())
         else:
             return c2
 
@@ -154,7 +156,7 @@ class DelimitedDigitsPostalCode(Regex):
 
     def __init__(self, partition_lengths, delimiter=None,
                  *args, **kw):
-        if isinstance(partition_lengths, (int, long)):
+        if isinstance(partition_lengths, six.integer_types):
             partition_lengths = [partition_lengths]
         if not delimiter:
             delimiter = ''
@@ -675,7 +677,7 @@ class InternationalPhoneNumber(FancyVali
             value = value.encode('ascii', 'strict')
         except UnicodeEncodeError:
             raise Invalid(self.message('phoneFormat', state), value, state)
-        if unicode is str:  # Python 3
+        if six.text_type is str:  # Python 3
             value = value.decode('ascii')
         value = self._mark_chars_re.sub('-', value)
         for f, t in [('  ', ' '),
@@ -765,7 +767,7 @@ class LanguageValidator(FancyValidator):
 
 def validators():
     """Return the names of all validators in this module."""
-    return [name for name, value in globals().items()
+    return [name for name, value in list(globals().items())
         if isinstance(value, type) and issubclass(value, FancyValidator)]
 
 __all__ = ['Invalid'] + validators()
Index: FormEncode-1.3.1/formencode/rewritingparser.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/rewritingparser.py
+++ FormEncode-1.3.1/formencode/rewritingparser.py
@@ -1,13 +1,16 @@
+from __future__ import absolute_import
 
-import HTMLParser
+import six.moves.html_parser
 import re
+import six
+from six.moves import range
 
 try:
     from html import escape
 except ImportError:  # Python < 3.2
     from cgi import escape
 
-from htmlentitydefs import name2codepoint
+from six.moves.html_entities import name2codepoint
 
 
 def html_quote(v):
@@ -15,23 +18,23 @@ def html_quote(v):
         return ''
     if hasattr(v, '__html__'):
         return v.__html__()
-    if isinstance(v, basestring):
+    if isinstance(v, six.string_types):
         return escape(v, True)
     if hasattr(v, '__unicode__'):
-        v = unicode(v)
+        v = six.text_type(v)
     else:
         v = str(v)
     return escape(v, True)
 
 
-class RewritingParser(HTMLParser.HTMLParser):
+class RewritingParser(six.moves.html_parser.HTMLParser):
 
     listener = None
     skip_next = False
 
     def __init__(self):
         self._content = []
-        HTMLParser.HTMLParser.__init__(self)
+        six.moves.html_parser.HTMLParser.__init__(self)
 
     def feed(self, data):
         self.data_is_str = isinstance(data, str)
@@ -40,7 +43,7 @@ class RewritingParser(HTMLParser.HTMLPar
         self.source_pos = 1, 0
         if self.listener:
             self.listener.reset()
-        HTMLParser.HTMLParser.feed(self, data)
+        six.moves.html_parser.HTMLParser.feed(self, data)
 
     _entityref_re = re.compile('&([a-zA-Z][-.a-zA-Z\d]*);')
     _charref_re = re.compile('&#(\d+|[xX][a-fA-F\d]+);')
Index: FormEncode-1.3.1/formencode/schema.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/schema.py
+++ FormEncode-1.3.1/formencode/schema.py
@@ -1,8 +1,12 @@
+from __future__ import absolute_import
 import warnings
 
 from .api import _, is_validator, FancyValidator, Invalid, NoDefault
 from . import declarative
 from .exc import FERuntimeWarning
+import six
+from six.moves import map
+from six.moves import zip
 
 __all__ = ['Schema']
 
@@ -81,7 +85,7 @@ class Schema(FancyValidator):
         # Scan through the class variables we've defined *just*
         # for this subclass, looking for validators (both classes
         # and instances):
-        for key, value in new_attrs.iteritems():
+        for key, value in six.iteritems(new_attrs):
             if key in ('pre_validators', 'chained_validators'):
                 if is_validator(value):
                     msg = "Any validator with the name %s will be ignored." % \
@@ -96,12 +100,12 @@ class Schema(FancyValidator):
             elif key in cls.fields:
                 del cls.fields[key]
 
-        for name, value in cls.fields.iteritems():
+        for name, value in six.iteritems(cls.fields):
             cls.add_field(name, value)
 
     def __initargs__(self, new_attrs):
         self.fields = self.fields.copy()
-        for key, value in new_attrs.iteritems():
+        for key, value in six.iteritems(new_attrs):
             if key in ('pre_validators', 'chained_validators'):
                 if is_validator(value):
                     msg = "Any validator with the name %s will be ignored." % \
@@ -139,13 +143,13 @@ class Schema(FancyValidator):
 
         new = {}
         errors = {}
-        unused = self.fields.keys()
+        unused = list(self.fields.keys())
         if state is not None:
             previous_key = getattr(state, 'key', None)
             previous_full_dict = getattr(state, 'full_dict', None)
             state.full_dict = value_dict
         try:
-            for name, value in value_dict.items():
+            for name, value in list(value_dict.items()):
                 try:
                     unused.remove(name)
                 except ValueError:
@@ -239,14 +243,14 @@ class Schema(FancyValidator):
         self.assert_dict(value_dict, state)
         new = {}
         errors = {}
-        unused = self.fields.keys()
+        unused = list(self.fields.keys())
         if state is not None:
             previous_key = getattr(state, 'key', None)
             previous_full_dict = getattr(state, 'full_dict', None)
             state.full_dict = value_dict
         try:
             __traceback_info__ = None
-            for name, value in value_dict.iteritems():
+            for name, value in six.iteritems(value_dict):
                 __traceback_info__ = 'for_python in %s' % name
                 try:
                     unused.remove(name)
@@ -327,7 +331,7 @@ class Schema(FancyValidator):
         result = []
         result.extend(self.pre_validators)
         result.extend(self.chained_validators)
-        result.extend(self.fields.itervalues())
+        result.extend(six.itervalues(self.fields))
         return result
 
     def is_empty(self, value):
@@ -338,7 +342,7 @@ class Schema(FancyValidator):
         return {}
 
     def _value_is_iterator(self, value):
-        if isinstance(value, basestring):
+        if isinstance(value, six.string_types):
             return False
         elif isinstance(value, (list, tuple)):
             return True
@@ -361,16 +365,16 @@ def format_compound_error(v, indent=0):
             # version if possible, and unicode() if necessary, because
             # testing for the presence of a __unicode__ method isn't
             # enough
-            return unicode(v)
+            return six.text_type(v)
     elif isinstance(v, dict):
         return ('%s\n' % (' ' * indent)).join(
             '%s: %s' % (k, format_compound_error(value, indent=len(k) + 2))
-            for k, value in sorted(v.iteritems()) if value is not None)
+            for k, value in sorted(six.iteritems(v)) if value is not None)
     elif isinstance(v, list):
         return ('%s\n' % (' ' * indent)).join(
             '%s' % (format_compound_error(value, indent=indent))
             for value in v if value is not None)
-    elif isinstance(v, basestring):
+    elif isinstance(v, six.string_types):
         return v
     else:
         assert False, "I didn't expect something like %s" % repr(v)
@@ -383,7 +387,7 @@ def merge_dicts(d1, d2):
 
 
 def merge_values(v1, v2):
-    if isinstance(v1, basestring) and isinstance(v2, basestring):
+    if isinstance(v1, six.string_types) and isinstance(v2, six.string_types):
         return v1 + '\n' + v2
     elif isinstance(v1, (list, tuple)) and isinstance(v2, (list, tuple)):
         return merge_lists(v1, v2)
@@ -474,7 +478,7 @@ class SimpleFormValidator(FancyValidator
         errors = self.func(value_dict, state, self)
         if not errors:
             return value_dict
-        if isinstance(errors, basestring):
+        if isinstance(errors, six.string_types):
             raise Invalid(errors, value_dict, state)
         elif isinstance(errors, dict):
             raise Invalid(
Index: FormEncode-1.3.1/formencode/tests/__init__.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/__init__.py
+++ FormEncode-1.3.1/formencode/tests/__init__.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 import sys
 import os
 
Index: FormEncode-1.3.1/formencode/tests/test_cc.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_cc.py
+++ FormEncode-1.3.1/formencode/tests/test_cc.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 # -*- coding: utf-8 -*-
 
 import unittest
Index: FormEncode-1.3.1/formencode/tests/test_compound.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_compound.py
+++ FormEncode-1.3.1/formencode/tests/test_compound.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 # -*- coding: utf-8 -*-
 
 import unittest
Index: FormEncode-1.3.1/formencode/tests/test_context.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_context.py
+++ FormEncode-1.3.1/formencode/tests/test_context.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 from nose.tools import assert_raises
 
 from formencode.context import Context, ContextRestoreError
Index: FormEncode-1.3.1/formencode/tests/test_declarative.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_declarative.py
+++ FormEncode-1.3.1/formencode/tests/test_declarative.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 # -*- coding: utf-8 -*-
 
 import unittest
Index: FormEncode-1.3.1/formencode/tests/test_doctest_xml_compare.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_doctest_xml_compare.py
+++ FormEncode-1.3.1/formencode/tests/test_doctest_xml_compare.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 import sys
 
 import formencode.doctest_xml_compare as dxml
Index: FormEncode-1.3.1/formencode/tests/test_doctests.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_doctests.py
+++ FormEncode-1.3.1/formencode/tests/test_doctests.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 import os
 import sys
 import doctest
@@ -8,6 +9,7 @@ from formencode import htmlgen
 from formencode import national
 from formencode import schema
 from formencode import validators
+import six
 
 
 """Modules that will have their doctests tested."""
@@ -27,7 +29,7 @@ base = os.path.dirname(os.path.dirname(o
     os.path.abspath(__file__))))
 
 
-if unicode is str:  # Python 3
+if six.text_type is str:  # Python 3
 
     OutputChecker = doctest.OutputChecker
 
Index: FormEncode-1.3.1/formencode/tests/test_email.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_email.py
+++ FormEncode-1.3.1/formencode/tests/test_email.py
@@ -1,9 +1,12 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import
+from __future__ import unicode_literals
 
 import unittest
 
 from formencode import Invalid
 from formencode.validators import Email
+import six
 
 
 class TestEmail(unittest.TestCase):
@@ -15,7 +18,7 @@ class TestEmail(unittest.TestCase):
         try:
             return self.validator.to_python(*args)
         except Invalid as e:
-            return unicode(e)
+            return six.text_type(e)
 
     def message(self, message_name, username, domain):
         email = '@'.join((username, domain))
Index: FormEncode-1.3.1/formencode/tests/test_htmlfill.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_htmlfill.py
+++ FormEncode-1.3.1/formencode/tests/test_htmlfill.py
@@ -1,16 +1,20 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import
+from __future__ import print_function
+from __future__ import unicode_literals
 
 import os
 import re
 import sys
 
 import xml.etree.ElementTree as ET
+import six
 try:
     XMLParseError = ET.ParseError
 except AttributeError:  # Python < 2.7
     from xml.parsers.expat import ExpatError as XMLParseError
 
-from htmlentitydefs import name2codepoint
+from six.moves.html_entities import name2codepoint
 
 base_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(
     os.path.abspath(__file__)))))
@@ -44,7 +48,7 @@ def run_filename(filename):
         data_content = ''
     namespace = {}
     if data_content:
-        exec data_content in namespace
+        exec(data_content, namespace)
     data = namespace.copy()
     data['defaults'] = data.get('defaults', {})
     if 'check' in data:
@@ -52,7 +56,7 @@ def run_filename(filename):
     else:
         def checker(p, s):
             pass
-    for name in data.keys():
+    for name in list(data.keys()):
         if name.startswith('_') or hasattr('__builtin__', name):
             del data[name]
     listener = htmlfill_schemabuilder.SchemaBuilder()
@@ -62,7 +66,7 @@ def run_filename(filename):
     output = p.text()
 
     def reporter(v):
-        print v
+        print(v)
 
     try:
         output_xml = ET.XML(output)
@@ -72,10 +76,10 @@ def run_filename(filename):
     else:
         comp = xml_compare(output_xml, expected_xml, reporter)
     if not comp:
-        print '---- Output:   ----'
-        print output
-        print '---- Expected: ----'
-        print expected
+        print('---- Output:   ----')
+        print(output)
+        print('---- Expected: ----')
+        print(expected)
         assert False
     checker(p, listener.schema())
     checker(p, htmlfill_schemabuilder.parse_schema(template))
@@ -87,14 +91,14 @@ def test_no_trailing_newline():
 
 
 def test_escape_defaults():
-    rarr = unichr(name2codepoint['rarr'])
+    rarr = six.unichr(name2codepoint['rarr'])
     assert (htmlfill.render('<input type="submit" value="next&gt;&rarr;">', {}, {})
             == '<input type="submit" value="next&gt;%s">' % rarr)
     assert (htmlfill.render('<input type="submit" value="1&amp;2">', {}, {})
             == '<input type="submit" value="1&amp;2">')
     assert (htmlfill.render('<input type="submit" value="Japan - &#x65E5;&#x672C; Nihon" />',
                             {}, {}) ==
-            u'<input type="submit" value="Japan - 日本 Nihon" />')
+            '<input type="submit" value="Japan - 日本 Nihon" />')
 
 
 def test_xhtml():
@@ -180,7 +184,7 @@ def test_checkbox():
 
 
 def test_unicode():
-    assert (htmlfill.render(u'<input type="checkbox" name="tags" value="2" />',
+    assert (htmlfill.render('<input type="checkbox" name="tags" value="2" />',
                            dict(tags=[])) ==
             '<input type="checkbox" name="tags" value="2" />')
 
@@ -455,10 +459,10 @@ def test_error_class_textarea():
 
 def test_mix_str_and_unicode():
     html = '<input type="text" name="cheese">'
-    uhtml = unicode(html)
+    uhtml = six.text_type(html)
     cheese = dict(cheese='Käse')
-    ucheese = dict(cheese=u'Käse')
-    expected = u'<input type="text" name="cheese" value="Käse">'
+    ucheese = dict(cheese='Käse')
+    expected = '<input type="text" name="cheese" value="Käse">'
     rendered = htmlfill.render(html, defaults=cheese, encoding='utf-8')
     assert expected == rendered
     rendered = htmlfill.render(html, defaults=ucheese, encoding='utf-8')
Index: FormEncode-1.3.1/formencode/tests/test_htmlgen.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_htmlgen.py
+++ FormEncode-1.3.1/formencode/tests/test_htmlgen.py
@@ -1,11 +1,14 @@
+from __future__ import absolute_import
+from __future__ import print_function
 
 import doctest
 
 from formencode.htmlgen import html
+import six
 
 # A test value that can't be encoded as ascii:
-uni_value = u'\xff'
-str_value = uni_value if str is unicode else uni_value.encode('utf-8')
+uni_value = six.u('\xff')
+str_value = uni_value if str is six.text_type else uni_value.encode('utf-8')
 
 
 def test_basic():
@@ -37,7 +40,7 @@ def test_unicode():
         assert False, (
             "We need something that can't be ASCII-encoded: %r (%r)"
             % (uni_value, uni_value.encode('ascii')))
-    assert unicode(html.b(uni_value)) == u'<b>%s</b>' % uni_value
+    assert six.text_type(html.b(uni_value)) == six.u('<b>%s</b>') % uni_value
 
 
 def test_quote():
@@ -76,10 +79,10 @@ def test_namespace():
 
 if __name__ == '__main__':
     # It's like a super-mini py.test...
-    for name, value in globals().iteritems():
+    for name, value in six.iteritems(globals()):
         if name.startswith('test'):
-            print name
+            print(name)
             value()
     from formencode import htmlgen
     doctest.testmod(htmlgen)
-    print 'doctest'
+    print('doctest')
Index: FormEncode-1.3.1/formencode/tests/test_htmlrename.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_htmlrename.py
+++ FormEncode-1.3.1/formencode/tests/test_htmlrename.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 from formencode.htmlrename import rename, add_prefix
 
 
Index: FormEncode-1.3.1/formencode/tests/test_i18n.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_i18n.py
+++ FormEncode-1.3.1/formencode/tests/test_i18n.py
@@ -1,6 +1,9 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import
+from __future__ import unicode_literals
 
 import formencode
+import six
 
 ne = formencode.validators.NotEmpty()
 
@@ -8,15 +11,15 @@ ne = formencode.validators.NotEmpty()
 def _test_builtins(func):
     def dummy(s):
         return "builtins dummy"
-    import __builtin__
-    __builtin__._ = dummy
+    import six.moves.builtins
+    six.moves.builtins._ = dummy
 
     try:
         ne.to_python("")
     except formencode.api.Invalid as e:
         func(e)
 
-    del __builtin__._
+    del six.moves.builtins._
 
 
 def test_builtins():
@@ -52,90 +55,90 @@ def _test_lang(language, notemptytext):
     try:
         ne.to_python("")
     except formencode.api.Invalid as e:
-        assert unicode(e) == notemptytext
+        assert six.text_type(e) == notemptytext
 
     formencode.api.set_stdtranslation()  # set back to defaults
 
 
 def test_de():
-    _test_lang("de", u"Bitte einen Wert eingeben")
+    _test_lang("de", "Bitte einen Wert eingeben")
 
 
 def test_es():
-    _test_lang("es", u"Por favor introduzca un valor")
+    _test_lang("es", "Por favor introduzca un valor")
 
 
 def test_pt_BR():
-    _test_lang("pt_BR", u"Por favor digite um valor")
+    _test_lang("pt_BR", "Por favor digite um valor")
 
 
 def test_zh_TW():
-    _test_lang("zh_TW", u"請輸入值")
+    _test_lang("zh_TW", "請輸入值")
 
 
 def test_sk():
-    _test_lang("sk", u"Zadajte hodnotu, prosím")
+    _test_lang("sk", "Zadajte hodnotu, prosím")
 
 
 def test_ru():
-    _test_lang("ru", u"Необходимо ввести значение")
+    _test_lang("ru", "Необходимо ввести значение")
 
 
 def test_sl():
-    _test_lang("sl", u"Prosim, izpolnite polje")
+    _test_lang("sl", "Prosim, izpolnite polje")
 
 
 def test_pt_PT():
-    _test_lang("pt_PT", u"Por favor insira um valor")
+    _test_lang("pt_PT", "Por favor insira um valor")
 
 
 def test_fr():
-    _test_lang("fr", u"Saisissez une valeur")
+    _test_lang("fr", "Saisissez une valeur")
 
 
 def test_nl():
-    _test_lang("nl", u"Voer een waarde in")
+    _test_lang("nl", "Voer een waarde in")
 
 
 def test_pl():
-    _test_lang("pl", u"Proszę podać wartość")
+    _test_lang("pl", "Proszę podać wartość")
 
 
 def test_el():
-    _test_lang("el", u"Παρακαλούμε εισάγετε μια τιμή")
+    _test_lang("el", "Παρακαλούμε εισάγετε μια τιμή")
 
 
 def test_zh_CN():
-    _test_lang("zh_CN", u"请输入一个值")
+    _test_lang("zh_CN", "请输入一个值")
 
 
 def test_cs():
-    _test_lang("cs", u"Prosím zadejte hodnotu")
+    _test_lang("cs", "Prosím zadejte hodnotu")
 
 
 def test_fi():
-    _test_lang("fi", u"Anna arvo")
+    _test_lang("fi", "Anna arvo")
 
 
 def test_nb_NO():
-    _test_lang("nb_NO", u"Venligst fyll inn en verdi")
+    _test_lang("nb_NO", "Venligst fyll inn en verdi")
 
 
 def test_it():
-    _test_lang("it", u"Inserire un dato")
+    _test_lang("it", "Inserire un dato")
 
 
 def test_et():
-    _test_lang("et", u"Palun sisestada väärtus")
+    _test_lang("et", "Palun sisestada väärtus")
 
 
 def test_lt():
-    _test_lang("lt", u"Prašome įvesti reikšmę")
+    _test_lang("lt", "Prašome įvesti reikšmę")
 
 
 def test_ja():
-    _test_lang("ja", u"入力してください")
+    _test_lang("ja", "入力してください")
 
 
 def test_tr():
-    _test_lang("tr", u"Lütfen bir değer giriniz")
+    _test_lang("tr", "Lütfen bir değer giriniz")
Index: FormEncode-1.3.1/formencode/tests/test_schema.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_schema.py
+++ FormEncode-1.3.1/formencode/tests/test_schema.py
@@ -1,6 +1,8 @@
+from __future__ import absolute_import
+from __future__ import print_function
 import unittest
 
-from urlparse import parse_qsl
+from six.moves.urllib.parse import parse_qsl
 
 from formencode import Invalid, Validator, compound, foreach, validators
 from formencode.schema import Schema, merge_dicts, SimpleFormValidator
@@ -14,14 +16,14 @@ def _notranslation(s):
 def setup_module(module):
     """Disable i18n translation"""
 
-    import __builtin__
-    __builtin__._ = _notranslation
+    import six.moves.builtins
+    six.moves.builtins._ = _notranslation
 
 
 def teardown_module(module):
     """Remove translation function"""
-    import __builtin__
-    del __builtin__._
+    import six.moves.builtins
+    del six.moves.builtins._
 
 
 def d(**kw):
@@ -56,9 +58,9 @@ class DecodeCase(object):
         all_cases.append(self)
 
     def test(self):
-        print 'input', repr(self.input)
+        print('input', repr(self.input))
         actual = self.schema.to_python(self.input)
-        print 'output', repr(actual)
+        print('output', repr(actual))
         assert actual == self.output
 
 
@@ -72,9 +74,9 @@ class BadCase(DecodeCase):
             self.output = self.output['text']
 
     def test(self):
-        print repr(self.raw_input)
+        print(repr(self.raw_input))
         try:
-            print repr(self.schema.to_python(self.input))
+            print(repr(self.schema.to_python(self.input)))
         except Invalid as e:
             actual = e.unpack_errors()
             assert actual == self.output
Index: FormEncode-1.3.1/formencode/tests/test_subclassing.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_subclassing.py
+++ FormEncode-1.3.1/formencode/tests/test_subclassing.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 # -*- coding: utf-8 -*-
 
 import unittest
Index: FormEncode-1.3.1/formencode/tests/test_subclassing_old.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_subclassing_old.py
+++ FormEncode-1.3.1/formencode/tests/test_subclassing_old.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 # -*- coding: utf-8 -*-
 
 import unittest
@@ -6,6 +7,7 @@ import warnings
 from formencode.api import is_validator, FancyValidator, Invalid
 from formencode.compound import CompoundValidator, All
 from formencode.validators import Int
+from six.moves import map
 
 
 with warnings.catch_warnings(record=True) as custom_warnings:
Index: FormEncode-1.3.1/formencode/tests/test_validators.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_validators.py
+++ FormEncode-1.3.1/formencode/tests/test_validators.py
@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+from __future__ import absolute_import
+from __future__ import unicode_literals
 
 import datetime
 import unittest
@@ -10,6 +12,10 @@ from formencode.variabledecode import Ne
 from formencode.schema import Schema
 from formencode.foreach import ForEach
 from formencode.api import NoDefault
+import six
+
+if six.PY3:
+    unicode = str
 
 
 def validate(validator, value):
@@ -49,7 +55,7 @@ class TestByteStringValidator(unittest.T
         self.messages = self.validator.message
 
     def test_alias(self):
-        if str is not unicode:  # Python 2
+        if str is not six.text_type:  # Python 2
             self.assertTrue(self.validator is validators.String)
 
     def test_docstring(self):
@@ -87,7 +93,7 @@ class TestUnicodeStringValidator(unittes
         self.validator = validators.UnicodeString
 
     def test_alias(self):
-        if str is unicode:  # Python 3
+        if str is six.text_type:  # Python 3
             self.assertTrue(self.validator is validators.String)
 
     def test_docstring(self):
@@ -96,47 +102,47 @@ class TestUnicodeStringValidator(unittes
 
     def test_unicode(self):
         un = self.validator()
-        self.assertEqual(un.to_python(12), u'12')
-        self.assertTrue(type(un.to_python(12)) is unicode)
-        self.assertEqual(un.from_python(12), u'12'.encode('ascii'))
+        self.assertEqual(un.to_python(12), '12')
+        self.assertTrue(type(un.to_python(12)) is six.text_type)
+        self.assertEqual(un.from_python(12), '12'.encode('ascii'))
         self.assertTrue(type(un.from_python(12)) is bytes)
 
     def test_unicode_encoding(self):
         uv = self.validator()
-        us = u'käse'
+        us = 'käse'
         u7s, u8s = us.encode('utf-7'), us.encode('utf-8')
         self.assertEqual(uv.to_python(u8s), us)
-        self.assertTrue(type(uv.to_python(u8s)) is unicode)
+        self.assertTrue(type(uv.to_python(u8s)) is six.text_type)
         self.assertEqual(uv.from_python(us), u8s)
         self.assertTrue(type(uv.from_python(us)) is bytes)
         uv = self.validator(encoding='utf-7')
         self.assertEqual(uv.to_python(u7s), us)
-        self.assertTrue(type(uv.to_python(u7s)) is unicode)
+        self.assertTrue(type(uv.to_python(u7s)) is six.text_type)
         self.assertEqual(uv.from_python(us), u7s)
         self.assertTrue(type(uv.from_python(us)) is bytes)
         uv = self.validator(inputEncoding='utf-7')
         self.assertEqual(uv.to_python(u7s), us)
-        self.assertTrue(type(uv.to_python(u7s)) is unicode)
+        self.assertTrue(type(uv.to_python(u7s)) is six.text_type)
         uv = self.validator(outputEncoding='utf-7')
         self.assertEqual(uv.from_python(us), u7s)
         self.assertTrue(type(uv.from_python(us)) is bytes)
         uv = self.validator(inputEncoding=None)
         self.assertEqual(uv.to_python(us), us)
-        self.assertTrue(type(uv.to_python(us)) is unicode)
+        self.assertTrue(type(uv.to_python(us)) is six.text_type)
         self.assertEqual(uv.from_python(us), u8s)
         self.assertTrue(type(uv.from_python(us)) is bytes)
         uv = self.validator(outputEncoding=None)
         self.assertEqual(uv.to_python(u8s), us)
-        self.assertTrue(type(uv.to_python(u8s)) is unicode)
+        self.assertTrue(type(uv.to_python(u8s)) is six.text_type)
         self.assertEqual(uv.from_python(us), us)
-        self.assertTrue(type(uv.from_python(us)) is unicode)
+        self.assertTrue(type(uv.from_python(us)) is six.text_type)
 
         def test_unicode_empty(self):
             iv = self.validator()
-            for value in [None, "", u""]:
+            for value in [None, b"", ""]:
                 result = iv.to_python(value)
-                self.assertEqual(result, u"")
-                self.assertTrue(isinstance(result, unicode))
+                self.assertEqual(result, "")
+                self.assertTrue(isinstance(result, six.text_type))
 
 
 class TestIntValidator(unittest.TestCase):
@@ -207,14 +213,14 @@ class TestDateConverterValidator(unittes
             dc.to_python('20/12/150')
         except Invalid as e:
             self.assertTrue(
-                'Please enter a four-digit year after 1899' in str(e))
+                'Please enter a four-digit year after 1899' in unicode(e))
         else:
             self.fail('Date should be invalid')
         try:
             dc.to_python('oh/happy/day')
         except Invalid as e:
             self.assertTrue(
-                'Please enter the date in the form DD/MM/YYYY' in str(e))
+                'Please enter the date in the form DD/MM/YYYY' in unicode(e))
         else:
             self.fail('Date should be invalid')
 
@@ -234,14 +240,14 @@ class TestDateConverterValidator(unittes
             dc = self.validator(month_style='Klingon')
         except TypeError as e:
             self.assertTrue(
-                str(e) == "Bad month_style: 'klingon'")
+                unicode(e).replace("u'", "'") == "Bad month_style: 'klingon'")
         else:
             self.fail('month_style should be invalid')
         try:
             dc = self.validator(month_style='ydm')
         except TypeError as e:
             self.assertTrue(
-                str(e) == "Bad month_style: 'ydm'")
+                unicode(e).replace("u'", "'") == "Bad month_style: 'ydm'")
         else:
             self.fail('month_style should be invalid')
 
@@ -255,14 +261,14 @@ class TestDateConverterValidator(unittes
         try:
             self.assertEqual(dc.to_python('20/12/2007'), d)
         except Invalid as e:
-            self.assertTrue('Please enter a month from 1 to 12' in str(e))
+            self.assertTrue('Please enter a month from 1 to 12' in unicode(e))
         else:
             self.fail('Date should be invalid')
         try:
             self.assertEqual(dc.to_python('12/Dec/2007'), d)
         except Invalid as e:
             self.assertTrue(
-                'Please enter the date in the form MM/DD/YYYY' in str(e))
+                'Please enter the date in the form MM/DD/YYYY' in unicode(e))
         else:
             self.fail('Date should be invalid')
 
@@ -276,14 +282,14 @@ class TestDateConverterValidator(unittes
         try:
             self.assertEqual(dc.to_python('12/20/2007'), d)
         except Invalid as e:
-            self.assertTrue('Please enter a month from 1 to 12' in str(e))
+            self.assertTrue('Please enter a month from 1 to 12' in unicode(e))
         else:
             self.fail('Date should be invalid')
         try:
             self.assertEqual(dc.to_python('Dec/12/2007'), d)
         except Invalid as e:
             self.assertTrue(
-                'Please enter the date in the form DD/MM/YYYY' in str(e))
+                'Please enter the date in the form DD/MM/YYYY' in unicode(e))
         else:
             self.fail('Date should be invalid')
 
@@ -297,14 +303,14 @@ class TestDateConverterValidator(unittes
         try:
             self.assertEqual(dc.to_python('2013/30/06'), d)
         except Invalid as e:
-            self.assertTrue('Please enter a month from 1 to 12' in str(e))
+            self.assertTrue('Please enter a month from 1 to 12' in unicode(e))
         else:
             self.fail('Date should be invalid')
         try:
             self.assertEqual(dc.to_python('2013/06/Jun'), d)
         except Invalid as e:
             self.assertTrue(
-                'Please enter the date in the form YYYY/MM/DD' in str(e))
+                'Please enter the date in the form YYYY/MM/DD' in unicode(e))
         else:
             self.fail('Date should be invalid')
 
@@ -318,21 +324,21 @@ class TestDateConverterValidator(unittes
         try:
             self.assertEqual(dc.to_python('20/2007'), d)
         except Invalid as e:
-            self.assertTrue('Please enter a month from 1 to 12' in str(e))
+            self.assertTrue('Please enter a month from 1 to 12' in unicode(e))
         else:
             self.fail('Date should be invalid')
         try:
             self.assertEqual(dc.to_python('12/20/2007'), d)
         except Invalid as e:
             self.assertTrue(
-                'Please enter the date in the form MM/YYYY' in str(e))
+                'Please enter the date in the form MM/YYYY' in unicode(e))
         else:
             self.fail('Date should be invalid')
         try:
             self.assertEqual(dc.to_python('2007/Dec'), d)
         except Invalid as e:
             self.assertTrue(
-                'Please enter the date in the form MM/YYYY' in str(e))
+                'Please enter the date in the form MM/YYYY' in unicode(e))
         else:
             self.fail('Date should be invalid')
 
@@ -383,29 +389,29 @@ class TestTimeConverterValidator(unittes
             tc.to_python('25:30:15')
         except Invalid as e:
             self.assertTrue(
-                'You must enter an hour in the range 0-23' in str(e))
+                'You must enter an hour in the range 0-23' in unicode(e))
         else:
             self.fail('Time should be invalid')
         try:
             tc.to_python('20:75:15')
         except Invalid as e:
             self.assertTrue(
-                'You must enter a minute in the range 0-59' in str(e))
+                'You must enter a minute in the range 0-59' in unicode(e))
         else:
             self.fail('Time should be invalid')
         try:
             tc.to_python('20:30:75')
         except Invalid as e:
             self.assertTrue(
-                'You must enter a second in the range 0-59' in str(e))
+                'You must enter a second in the range 0-59' in unicode(e))
         else:
             self.fail('Time should be invalid')
         try:
             tc.to_python('20:30:zx')
         except Invalid as e:
             self.assertTrue(
-                'The second value you gave is not a number' in str(e))
-            self.assertTrue('zx' in str(e))
+                'The second value you gave is not a number' in unicode(e))
+            self.assertTrue('zx' in unicode(e))
         else:
             self.fail('Time should be invalid')
 
@@ -437,7 +443,7 @@ class TestForEachValidator(unittest.Test
             values = validator.to_python(start_values, state)
         except Invalid as e:
             self.assertEqual(e.unpack_errors(),
-                {'people': u'Please add a person'})
+                {'people': 'Please add a person'})
         else:
             raise Exception("Shouldn't be valid data", values, start_values)
 
@@ -534,8 +540,8 @@ class TestINameValidator(unittest.TestCa
 
     def test_non_english_inames(self):
         """i-names with non-English characters are valid"""
-        self.validator.to_python(u'=Gustavo.Narea.García')
-        self.validator.to_python(u'@名前.例')
+        self.validator.to_python('=Gustavo.Narea.García')
+        self.validator.to_python('@名前.例')
 
     def test_inames_plus_paths(self):
         """i-names with paths are valid but not supported"""
@@ -544,9 +550,9 @@ class TestINameValidator(unittest.TestCa
 
     def test_communities(self):
         """i-names may have so-called 'communities'"""
-        self.validator.to_python(u'=María*Yolanda*Liliana*Gustavo')
-        self.validator.to_python(u'=Gustavo*Andreina')
-        self.validator.to_python(u'@IBM*Lenovo')
+        self.validator.to_python('=María*Yolanda*Liliana*Gustavo')
+        self.validator.to_python('=Gustavo*Andreina')
+        self.validator.to_python('@IBM*Lenovo')
 
 
 class TestINumberValidator(unittest.TestCase):
@@ -619,8 +625,8 @@ class TestOneOfValidator(unittest.TestCa
             'Value must be one of: ``%(items)s`` (not ``%(value)r``)' in doc)
 
     def test_unicode_list(self):
-        o = validators.OneOf([u'ö', u'a'])
-        self.assertRaises(Invalid, o.to_python, u"ä")
+        o = validators.OneOf(['ö', 'a'])
+        self.assertRaises(Invalid, o.to_python, "ä")
 
     def test_ascii_list(self):
         o = validators.OneOf(['a', 'b'])
@@ -659,13 +665,13 @@ class TestIPAddressValidator(unittest.Te
         try:
             validate('1.2.3.037')
         except Invalid as e:
-            self.assertTrue('The octets must not have leading zeros' in str(e))
+            self.assertTrue('The octets must not have leading zeros' in unicode(e))
         else:
             self.fail('IP address octets with leading zeros should be invalid')
         try:
             validate('1.2.3.0377')
         except Invalid as e:
-            self.assertTrue('The octets must not have leading zeros' in str(e))
+            self.assertTrue('The octets must not have leading zeros' in unicode(e))
         else:
             self.fail('IP octets with leading zeros should be invalid')
 
@@ -679,7 +685,7 @@ class TestIPAddressValidator(unittest.Te
             validate('1.2.3.0377')
         except Invalid as e:
             self.assertTrue("The octets must be within the range of 0-255"
-                " (not '377')" in str(e))
+                " (not '377')" in unicode(e).replace("u'", "'"))
         else:
             self.fail(
                 'IP address octets should not be interpreted as octal numbers')
@@ -718,7 +724,7 @@ class TestRequireIfMissingValidator(unit
         v = self.validator('phone_type', missing='mail')
         self.assertEqual(
             validate(v, dict(phone_type='')),
-            dict(phone_type=u'Please enter a value'))
+            dict(phone_type='Please enter a value'))
         self.assertEqual(
             validate(v, dict(phone_type='', mail='foo@bar.org')),
             dict(phone_type='', mail='foo@bar.org'))
@@ -727,7 +733,7 @@ class TestRequireIfMissingValidator(unit
         v = self.validator('phone_type', present='phone')
         self.assertEqual(
             validate(v, dict(phone_type='', phone='510 420  4577')),
-            dict(phone_type=u'Please enter a value'))
+            dict(phone_type='Please enter a value'))
         self.assertEqual(
             validate(v, dict(phone='')), dict(phone=''))
 
@@ -735,7 +741,8 @@ class TestRequireIfMissingValidator(unit
         v = self.validator('operator', present='operand')
         self.assertEqual(
             validate(v, dict(operator='', operand=0)),
-            dict(operator=u'Please enter a value'))
+            dict(operator='Please enter a value'))
+
 
 class TestRequireIfMatchingValidator(unittest.TestCase):
 
@@ -753,14 +760,14 @@ class TestRequireIfMatchingValidator(uni
         v = self.validator('phone_type', 'mobile', required_fields=['mobile'])
         self.assertEqual(
             validate(v, dict(phone_type='mobile')),
-            dict(mobile=u'Please enter a value')
+            dict(mobile='Please enter a value')
         )
 
     def test_matching_multiple_required(self):
         v = self.validator('phone_type', 'mobile', required_fields=['mobile', 'code'])
         self.assertEqual(
             validate(v, dict(phone_type='mobile')),
-            dict(mobile=u'Please enter a value')
+            dict(mobile='Please enter a value')
         )
 
     def test_not_matching(self):
Index: FormEncode-1.3.1/formencode/tests/test_variabledecode.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/tests/test_variabledecode.py
+++ FormEncode-1.3.1/formencode/tests/test_variabledecode.py
@@ -1,3 +1,4 @@
+from __future__ import absolute_import
 import unittest
 
 from formencode.variabledecode import variable_decode, variable_encode
Index: FormEncode-1.3.1/formencode/validators.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/validators.py
+++ FormEncode-1.3.1/formencode/validators.py
@@ -4,12 +4,16 @@
 """
 Validator/Converters for use with FormEncode.
 """
+from __future__ import absolute_import
 
 import cgi
 import locale
 import re
 import warnings
 from encodings import idna
+import six
+from six.moves import map
+from six.moves import range
 
 try:  # import dnspython
     import dns.resolver
@@ -513,13 +517,13 @@ class Regex(FancyValidator):
 
     def __init__(self, *args, **kw):
         FancyValidator.__init__(self, *args, **kw)
-        if isinstance(self.regex, basestring):
+        if isinstance(self.regex, six.string_types):
             ops = 0
-            assert not isinstance(self.regexOps, basestring), (
+            assert not isinstance(self.regexOps, six.string_types), (
                 "regexOps should be a list of options from the re module "
                 "(names, or actual values)")
             for op in self.regexOps:
-                if isinstance(op, basestring):
+                if isinstance(op, six.string_types):
                     ops |= getattr(re, op)
                 else:
                     ops |= op
@@ -527,13 +531,13 @@ class Regex(FancyValidator):
 
     def _validate_python(self, value, state):
         self.assert_string(value, state)
-        if self.strip and isinstance(value, basestring):
+        if self.strip and isinstance(value, six.string_types):
             value = value.strip()
         if not self.regex.search(value):
             raise Invalid(self.message('invalid', state), value, state)
 
     def _convert_to_python(self, value, state):
-        if self.strip and isinstance(value, basestring):
+        if self.strip and isinstance(value, six.string_types):
             return value.strip()
         return value
 
@@ -615,7 +619,7 @@ class OneOf(FancyValidator):
                     try:
                         items = '; '.join(map(str, self.list))
                     except UnicodeError:
-                        items = '; '.join(map(unicode, self.list))
+                        items = '; '.join(map(six.text_type, self.list))
                     raise Invalid(
                         self.message('notIn', state,
                             items=items, value=value), value, state)
@@ -690,13 +694,13 @@ class DictConverter(FancyValidator):
                     state, items=items), value, state)
 
     def _convert_from_python(self, value, state):
-        for k, v in self.dict.iteritems():
+        for k, v in six.iteritems(self.dict):
             if value == v:
                 return k
         if self.hideDict:
             raise Invalid(self.message('valueNotFound', state), value, state)
         else:
-            items = '; '.join(map(repr, self.dict.itervalues()))
+            items = '; '.join(map(repr, six.itervalues(self.dict)))
             raise Invalid(
                 self.message('chooseValue', state,
                     value=repr(value), items=items), value, state)
@@ -812,8 +816,8 @@ class DateValidator(FancyValidator):
 
     def _validate_python(self, value, state):
         date_format = self.message('date_format', state)
-        if (str is not unicode  # Python 2
-                and isinstance(date_format, unicode)):
+        if (str is not six.text_type  # Python 2
+                and isinstance(date_format, six.text_type)):
             # strftime uses the locale encoding, not Unicode
             encoding = locale.getlocale(locale.LC_TIME)[1] or 'utf-8'
             date_format = date_format.encode(encoding)
@@ -1061,27 +1065,27 @@ class ByteString(FancyValidator):
     def _convert_to_python(self, value, state):
         if value is None:
             value = ''
-        elif not isinstance(value, basestring):
+        elif not isinstance(value, six.string_types):
             try:
                 value = bytes(value)
             except UnicodeEncodeError:
-                value = unicode(value)
-        if self.encoding is not None and isinstance(value, unicode):
+                value = six.text_type(value)
+        if self.encoding is not None and isinstance(value, six.text_type):
             value = value.encode(self.encoding)
         return value
 
     def _convert_from_python(self, value, state):
         if value is None:
             value = ''
-        elif not isinstance(value, basestring):
+        elif not isinstance(value, six.string_types):
             if isinstance(value, (list, tuple)):
                 value = self.list_joiner.join(
                     self._convert_from_python(v, state) for v in value)
             try:
                 value = str(value)
             except UnicodeEncodeError:
-                value = unicode(value)
-        if self.encoding is not None and isinstance(value, unicode):
+                value = six.text_type(value)
+        if self.encoding is not None and isinstance(value, six.text_type):
             value = value.encode(self.encoding)
         if self.strip:
             value = value.strip()
@@ -1092,11 +1096,11 @@ class ByteString(FancyValidator):
             return
         if value is None:
             value = ''
-        elif not isinstance(value, basestring):
+        elif not isinstance(value, six.string_types):
             try:
                 value = str(value)
             except UnicodeEncodeError:
-                value = unicode(value)
+                value = six.text_type(value)
         if self.max is not None and len(value) > self.max:
             raise Invalid(
                 self.message('tooLong', state, max=self.max), value, state)
@@ -1148,19 +1152,19 @@ class UnicodeString(ByteString):
 
     def _convert_to_python(self, value, state):
         if not value:
-            return u''
-        if isinstance(value, unicode):
+            return six.u('')
+        if isinstance(value, six.text_type):
             return value
-        if not isinstance(value, unicode):
+        if not isinstance(value, six.text_type):
             if hasattr(value, '__unicode__'):
-                value = unicode(value)
+                value = six.text_type(value)
                 return value
-            if not (unicode is str  # Python 3
+            if not (six.text_type is str  # Python 3
                     and isinstance(value, bytes) and self.inputEncoding):
                 value = str(value)
-        if self.inputEncoding and not isinstance(value, unicode):
+        if self.inputEncoding and not isinstance(value, six.text_type):
             try:
-                value = unicode(value, self.inputEncoding)
+                value = six.text_type(value, self.inputEncoding)
             except UnicodeDecodeError:
                 raise Invalid(self.message('badEncoding', state), value, state)
             except TypeError:
@@ -1170,22 +1174,22 @@ class UnicodeString(ByteString):
         return value
 
     def _convert_from_python(self, value, state):
-        if not isinstance(value, unicode):
+        if not isinstance(value, six.text_type):
             if hasattr(value, '__unicode__'):
-                value = unicode(value)
+                value = six.text_type(value)
             else:
                 value = str(value)
-        if self.outputEncoding and isinstance(value, unicode):
+        if self.outputEncoding and isinstance(value, six.text_type):
             value = value.encode(self.outputEncoding)
         return value
 
     def empty_value(self, value):
-        return u''
+        return six.u('')
 
 
 # Provide proper alias for native strings
 
-String = UnicodeString if str is unicode else ByteString
+String = UnicodeString if str is six.text_type else ByteString
 
 
 class Set(FancyValidator):
@@ -1339,7 +1343,7 @@ class Email(FancyValidator):
                 value, state)
         try:
             idna_domain = [idna.ToASCII(p) for p in domain.split('.')]
-            if unicode is str:  # Python 3
+            if six.text_type is str:  # Python 3
                 idna_domain = [p.decode('ascii') for p in idna_domain]
             idna_domain = '.'.join(idna_domain)
         except UnicodeError:
@@ -1496,7 +1500,7 @@ class URL(FancyValidator):
     def _encode_idna(self, url):
         global urlparse
         if urlparse is None:
-            import urlparse
+            from six.moves.urllib import parse as urlparse
         try:
             scheme, netloc, path, params, query, fragment = urlparse.urlparse(
                 url)
@@ -1504,7 +1508,7 @@ class URL(FancyValidator):
             return url
         try:
             netloc = netloc.encode('idna')
-            if unicode is str:  # Python 3
+            if six.text_type is str:  # Python 3
                 netloc = netloc.decode('ascii')
             return str(urlparse.urlunparse((scheme, netloc,
                 path, params, query, fragment)))
@@ -1514,17 +1518,17 @@ class URL(FancyValidator):
     def _check_url_exists(self, url, state):
         global httplib, urlparse, socket
         if httplib is None:
-            import httplib
+            import six.moves.http_client
         if urlparse is None:
-            import urlparse
+            from six.moves.urllib import parse as urlparse
         if socket is None:
             import socket
         scheme, netloc, path, params, query, fragment = urlparse.urlparse(
             url, 'http')
         if scheme == 'https':
-            ConnClass = httplib.HTTPSConnection
+            ConnClass = six.moves.http_client.HTTPSConnection
         else:
-            ConnClass = httplib.HTTPConnection
+            ConnClass = six.moves.httplib.HTTPConnection
         try:
             conn = ConnClass(netloc)
             if params:
@@ -1533,7 +1537,7 @@ class URL(FancyValidator):
                 path += '?' + query
             conn.request('HEAD', path)
             res = conn.getresponse()
-        except httplib.HTTPException as e:
+        except six.moves.http_client.HTTPException as e:
             raise Invalid(
                 self.message('httpError', state, error=e), state, url)
         except socket.error as e:
@@ -1658,7 +1662,7 @@ class XRI(FancyValidator):
                 is not valid.
 
         """
-        if not isinstance(value, basestring):
+        if not isinstance(value, six.string_types):
             raise Invalid(
                 self.message('badType', state,
                     type=str(type(value)), value=value), value, state)
@@ -1838,7 +1842,7 @@ class FileUploadKeeper(FancyValidator):
         if isinstance(upload, cgi.FieldStorage):
             filename = upload.filename
             content = upload.value
-        elif isinstance(upload, basestring) and upload:
+        elif isinstance(upload, six.string_types) and upload:
             filename = None
             # @@: Should this encode upload if it is unicode?
             content = upload
@@ -2255,7 +2259,7 @@ class TimeConverter(FancyValidator):
             return (hour, minute, second)
 
     def _convert_from_python(self, value, state):
-        if isinstance(value, basestring):
+        if isinstance(value, six.string_types):
             return value
         if hasattr(value, 'hour'):
             hour, minute = value.hour, value.minute
@@ -2353,7 +2357,7 @@ class StringBool(FancyValidator):  # ori
         string=_('Value should be %(true)r or %(false)r'))
 
     def _convert_to_python(self, value, state):
-        if isinstance(value, basestring):
+        if isinstance(value, six.string_types):
             value = value.strip().lower()
             if value in self.true_values:
                 return True
@@ -2423,7 +2427,7 @@ class SignedString(FancyValidator):
         if not random:
             import random
         return ''.join(chr(random.randrange(256))
-            for _i in xrange(self.nonce_length))
+            for _i in range(self.nonce_length))
 
 
 class IPAddress(FancyValidator):
@@ -2781,7 +2785,7 @@ class FieldsMatch(FormValidator):
                 else:
                     errors[name] = self.message('invalidNoMatch', state)
         if errors:
-            error_list = sorted(errors.iteritems())
+            error_list = sorted(six.iteritems(errors))
             error_message = '<br>\n'.join(
                 '%s: %s' % (name, value) for name, value in error_list)
             raise Invalid(error_message, field_dict, state, error_dict=errors)
@@ -2840,7 +2844,7 @@ class CreditCardValidator(FormValidator)
     def _validate_python(self, field_dict, state):
         errors = self._validateReturn(field_dict, state)
         if errors:
-            error_list = sorted(errors.iteritems())
+            error_list = sorted(six.iteritems(errors))
             raise Invalid(
                 '<br>\n'.join('%s: %s' % (name, value)
                     for name, value in error_list),
@@ -2857,7 +2861,7 @@ class CreditCardValidator(FormValidator)
         number = number.replace(' ', '')
         number = number.replace('-', '')
         try:
-            long(number)
+            int(number)
         except ValueError:
             return {self.cc_number_field: self.message('notANumber', state)}
         assert ccType in self._cardInfo, (
@@ -2955,7 +2959,7 @@ class CreditCardExpires(FormValidator):
     def _validate_python(self, field_dict, state):
         errors = self._validateReturn(field_dict, state)
         if errors:
-            error_list = sorted(errors.iteritems())
+            error_list = sorted(six.iteritems(errors))
             raise Invalid(
                 '<br>\n'.join('%s: %s' % (name, value)
                     for name, value in error_list),
@@ -3029,7 +3033,7 @@ class CreditCardSecurityCode(FormValidat
     def _validate_python(self, field_dict, state):
         errors = self._validateReturn(field_dict, state)
         if errors:
-            error_list = sorted(errors.iteritems())
+            error_list = sorted(six.iteritems(errors))
             raise Invalid(
                 '<br>\n'.join('%s: %s' % (name, value)
                     for name, value in error_list),
@@ -3052,7 +3056,7 @@ class CreditCardSecurityCode(FormValidat
 
 def validators():
     """Return the names of all validators in this module."""
-    return [name for name, value in globals().iteritems()
+    return [name for name, value in six.iteritems(globals())
         if isinstance(value, type) and issubclass(value, Validator)]
 
 __all__ = ['Invalid'] + validators()
Index: FormEncode-1.3.1/formencode/variabledecode.py
===================================================================
--- FormEncode-1.3.1.orig/formencode/variabledecode.py
+++ FormEncode-1.3.1/formencode/variabledecode.py
@@ -19,8 +19,11 @@ a dict or list, both variable_decode and
 and list_char keyword args. For example, to have the GET/POST variables,
 ``a_1=something`` as a list, you would use a ``list_char='_'``.
 """
+from __future__ import absolute_import
 
 from .api import FancyValidator
+import six
+from six.moves import range
 
 __all__ = ['variable_decode', 'variable_encode', 'NestedVariables']
 
@@ -32,7 +35,7 @@ def variable_decode(d, dict_char='.', li
     result = {}
     dicts_to_sort = set()
     known_lengths = {}
-    for key, value in d.iteritems():
+    for key, value in six.iteritems(d):
         keys = key.split(dict_char)
         new_keys = []
         was_repetition_count = False
@@ -94,10 +97,10 @@ def variable_decode(d, dict_char='.', li
             to_sort = to_sort[sub_key]
         if None in to_sort:
             noneVals = [(0, x) for x in to_sort.pop(None)]
-            noneVals.extend(to_sort.iteritems())
+            noneVals.extend(six.iteritems(to_sort))
             to_sort = noneVals
         else:
-            to_sort = to_sort.iteritems()
+            to_sort = six.iteritems(to_sort)
         to_sort = [x[1] for x in sorted(to_sort)]
         if key in known_lengths:
             if len(to_sort) < known_lengths[key]:
@@ -115,7 +118,7 @@ def variable_encode(d, prepend='', resul
     if result is None:
         result = {}
     if isinstance(d, dict):
-        for key, value in d.iteritems():
+        for key, value in six.iteritems(d):
             if key is None:
                 name = prepend
             elif not prepend:
Index: FormEncode-1.3.1/setup.py
===================================================================
--- FormEncode-1.3.1.orig/setup.py
+++ FormEncode-1.3.1/setup.py
@@ -5,6 +5,7 @@ and decoupled processes for filling and
 
 The official repo is at GitHub: https://github.com/formencode/formencode
 """
+from __future__ import absolute_import
 
 import sys
 from setuptools import setup, find_packages
@@ -43,8 +44,8 @@ setup(name='FormEncode',
       include_package_data=True,
       package_data={'formencode': ['../docs/*.txt']},
       test_suite='formencode.tests',
+      install_requires=['six'],
       tests_require=tests_require,
       extras_require={'testing': tests_require},
-      use_2to3=True,
       convert_2to3_doctests=doctests,
     )

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File six.patch of Package python-FormEncode

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