[py3] Replaced basestring by six.string_types.

django/forms/extras/widgets.py

@@ -11,6 +11,7 @@ from django.utils import datetime_safe
 from django.utils.dates import MONTHS
 from django.utils.safestring import mark_safe
 from django.utils.formats import get_format
+from django.utils import six
 from django.conf import settings
 
 __all__ = ('SelectDateWidget',)
@@ -64,7 +65,7 @@ class SelectDateWidget(Widget):
             year_val, month_val, day_val = value.year, value.month, value.day
         except AttributeError:
             year_val = month_val = day_val = None
-            if isinstance(value, basestring):
+            if isinstance(value, six.string_types):
                 if settings.USE_L10N:
                     try:
                         input_format = get_format('DATE_INPUT_FORMATS')[0]

django/forms/fields.py

@@ -22,6 +22,7 @@ from django.forms.widgets import (TextInput, PasswordInput, HiddenInput,
 from django.utils import formats
 from django.utils.encoding import smart_unicode, force_unicode
 from django.utils.ipv6 import clean_ipv6_address
+from django.utils import six
 from django.utils.translation import ugettext_lazy as _
 
 # Provide this import for backwards compatibility.
@@ -445,7 +446,7 @@ class RegexField(CharField):
         return self._regex
 
     def _set_regex(self, regex):
-        if isinstance(regex, basestring):
+        if isinstance(regex, six.string_types):
             regex = re.compile(regex, re.UNICODE)
         self._regex = regex
         if hasattr(self, '_regex_validator') and self._regex_validator in self.validators:
@@ -633,7 +634,7 @@ class BooleanField(Field):
         # will submit for False. Also check for '0', since this is what
         # RadioSelect will provide. Because bool("True") == bool('1') == True,
         # we don't need to handle that explicitly.
-        if isinstance(value, basestring) and value.lower() in ('false', '0'):
+        if isinstance(value, six.string_types) and value.lower() in ('false', '0'):
             value = False
         else:
             value = bool(value)

django/forms/widgets.py

@@ -16,6 +16,7 @@ from django.utils.html import conditional_escape, format_html, format_html_join
 from django.utils.translation import ugettext, ugettext_lazy
 from django.utils.encoding import StrAndUnicode, force_unicode
 from django.utils.safestring import mark_safe
+from django.utils import six
 from django.utils import datetime_safe, formats
 from django.utils import six
 
@@ -522,7 +523,7 @@ class CheckboxInput(Widget):
         value = data.get(name)
         # Translate true and false strings to boolean values.
         values =  {'true': True, 'false': False}
-        if isinstance(value, basestring):
+        if isinstance(value, six.string_types):
             value = values.get(value.lower(), value)
         return value