Moved smart_unicode and StrAndUnicode to django.utils.encoding. They are useful

outside of newforms. This is backwards compatible as far as smart_unicode goes
(since newforms.util still imports it). All imports of smart_unicode and
StrAndUnicode have also been updated.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@4918 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/localflavor/br/forms.py

@@ -5,7 +5,7 @@ BR-specific Form helpers
 
 from django.newforms import ValidationError
 from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
-from django.newforms.util import smart_unicode
+from django.utils.encoding import smart_unicode
 from django.utils.translation import gettext
 import re
 

django/contrib/localflavor/fr/forms.py

@@ -4,7 +4,7 @@ FR-specific Form helpers
 
 from django.newforms import ValidationError
 from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
-from django.newforms.util import smart_unicode
+from django.utils.encoding import smart_unicode
 from django.utils.translation import gettext
 import re
 

django/contrib/localflavor/it/forms.py

@@ -4,7 +4,6 @@ IT-specific Form helpers
 
 from django.newforms import ValidationError
 from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
-from django.newforms.util import smart_unicode
 from django.utils.translation import gettext
 import re
 

django/contrib/localflavor/usa/forms.py

@@ -4,7 +4,7 @@ USA-specific Form helpers
 
 from django.newforms import ValidationError
 from django.newforms.fields import Field, RegexField, Select, EMPTY_VALUES
-from django.newforms.util import smart_unicode
+from django.utils.encoding import smart_unicode
 from django.utils.translation import gettext
 import re
 

django/newforms/fields.py

@@ -3,7 +3,8 @@ Field classes
 """
 
 from django.utils.translation import gettext
-from util import ErrorList, ValidationError, smart_unicode
+from django.utils.encoding import smart_unicode
+from util import ErrorList, ValidationError
 from widgets import TextInput, PasswordInput, HiddenInput, MultipleHiddenInput, CheckboxInput, Select, NullBooleanSelect, SelectMultiple
 import datetime
 import re

django/newforms/forms.py

@@ -4,9 +4,10 @@ Form classes
 
 from django.utils.datastructures import SortedDict, MultiValueDict
 from django.utils.html import escape
+from django.utils.encoding import StrAndUnicode
 from fields import Field
 from widgets import TextInput, Textarea, HiddenInput, MultipleHiddenInput
-from util import flatatt, StrAndUnicode, ErrorDict, ErrorList, ValidationError
+from util import flatatt, ErrorDict, ErrorList, ValidationError
 import copy
 
 __all__ = ('BaseForm', 'Form')

django/newforms/util.py

@@ -1,41 +1,12 @@
 from django.conf import settings
 from django.utils.html import escape
 from django.utils.functional import Promise, lazy
+from django.utils.encoding import smart_unicode
 
 # Converts a dictionary to a single string with key="value", XML-style with
 # a leading space. Assumes keys do not need to be XML-escaped.
 flatatt = lambda attrs: u''.join([u' %s="%s"' % (k, escape(v)) for k, v in attrs.items()])
 
-def smart_unicode(s):
-    if isinstance(s, Promise):
-        # The input is something from gettext_lazy or similar. We don't want to
-        # translate it until render time, so defer the conversion.
-        return smart_unicode_lazy(s)
-    else:
-        return smart_unicode_immediate(s)
-
-def smart_unicode_immediate(s):
-    if not isinstance(s, basestring):
-        if hasattr(s, '__unicode__'):
-            s = unicode(s)
-        else:
-            s = unicode(str(s), settings.DEFAULT_CHARSET)
-    elif not isinstance(s, unicode):
-        s = unicode(s, settings.DEFAULT_CHARSET)
-    return s
-
-smart_unicode_lazy = lazy(smart_unicode_immediate, unicode)
-
-class StrAndUnicode(object):
-    """
-    A class whose __str__ returns its __unicode__ as a bytestring
-    according to settings.DEFAULT_CHARSET.
-
-    Useful as a mix-in.
-    """
-    def __str__(self):
-        return self.__unicode__().encode(settings.DEFAULT_CHARSET)
-
 class ErrorDict(dict):
     """
     A collection of errors that knows how to display itself in various formats.

django/newforms/widgets.py

@@ -9,10 +9,11 @@ __all__ = (
     'MultiWidget', 'SplitDateTimeWidget',
 )
 
-from util import flatatt, StrAndUnicode, smart_unicode
+from util import flatatt
 from django.utils.datastructures import MultiValueDict
 from django.utils.html import escape
 from django.utils.translation import gettext
+from django.utils.encoding import StrAndUnicode, smart_unicode
 from itertools import chain
 
 try:

django/utils/encoding.py

@@ -0,0 +1,28 @@
+from django.conf import settings
+from django.utils.functional import Promise
+
+def smart_unicode(s):
+    if isinstance(s, Promise):
+        # The input is the result of a gettext_lazy() call, or similar. It will
+        # already be encoded in DEFAULT_CHARSET on evaluation and we don't want
+        # to evaluate it until render time.
+        return s
+    if not isinstance(s, basestring,):
+        if hasattr(s, '__unicode__'):
+            s = unicode(s)
+        else:
+            s = unicode(str(s), settings.DEFAULT_CHARSET)
+    elif not isinstance(s, unicode):
+        s = unicode(s, settings.DEFAULT_CHARSET)
+    return s
+
+class StrAndUnicode(object):
+    """
+    A class whose __str__ returns its __unicode__ as a bytestring
+    according to settings.DEFAULT_CHARSET.
+
+    Useful as a mix-in.
+    """
+    def __str__(self):
+        return self.__unicode__().encode(settings.DEFAULT_CHARSET)
+

tests/regressiontests/forms/tests.py

@@ -3276,7 +3276,7 @@ True
 #################################
 
 # smart_unicode tests
->>> from django.newforms.util import smart_unicode
+>>> from django.utils.encoding import smart_unicode
 >>> class Test:
 ...     def __str__(self):
 ...        return 'ŠĐĆŽćžšđ'