[py3] Replaced unicode/str by six.text_type/bytes.

1 files changed, 25 insertions, 12 deletions

diff --git a/django/utils/encoding.py b/django/utils/encoding.py
index 716d46ceff..789e709da5 100644
--- a/django/utils/encoding.py
+++ b/django/utils/encoding.py
@@ -25,8 +25,12 @@ class StrAndUnicode(object):
 
     Useful as a mix-in.
     """
-    def __str__(self):
-        return self.__unicode__().encode('utf-8')
+    if six.PY3:
+        def __str__(self):
+            return self.__unicode__()
+    else:
+        def __str__(self):
+            return self.__unicode__().encode('utf-8')
 
 def smart_unicode(s, encoding='utf-8', strings_only=False, errors='strict'):
     """
@@ -59,17 +63,23 @@ def force_unicode(s, encoding='utf-8', strings_only=False, errors='strict'):
     # Handle the common case first, saves 30-40% in performance when s
     # is an instance of unicode. This function gets called often in that
     # setting.
-    if isinstance(s, unicode):
+    if isinstance(s, six.text_type):
         return s
     if strings_only and is_protected_type(s):
         return s
     try:
-        if not isinstance(s, six.string_types,):
+        if not isinstance(s, six.string_types):
             if hasattr(s, '__unicode__'):
-                s = unicode(s)
+                s = s.__unicode__()
             else:
                 try:
-                    s = unicode(str(s), encoding, errors)
+                    if six.PY3:
+                        if isinstance(s, bytes):
+                            s = six.text_type(s, encoding, errors)
+                        else:
+                            s = six.text_type(s)
+                    else:
+                        s = six.text_type(bytes(s), encoding, errors)
                 except UnicodeEncodeError:
                     if not isinstance(s, Exception):
                         raise
@@ -81,8 +91,8 @@ def force_unicode(s, encoding='utf-8', strings_only=False, errors='strict'):
                     # output should be.
                     s = ' '.join([force_unicode(arg, encoding, strings_only,
                             errors) for arg in s])
-        elif not isinstance(s, unicode):
-            # Note: We use .decode() here, instead of unicode(s, encoding,
+        elif not isinstance(s, six.text_type):
+            # Note: We use .decode() here, instead of six.text_type(s, encoding,
             # errors), so that if s is a SafeString, it ends up being a
             # SafeUnicode at the end.
             s = s.decode(encoding, errors)
@@ -108,10 +118,13 @@ def smart_str(s, encoding='utf-8', strings_only=False, errors='strict'):
     if strings_only and (s is None or isinstance(s, int)):
         return s
     if isinstance(s, Promise):
-        return unicode(s).encode(encoding, errors)
+        return six.text_type(s).encode(encoding, errors)
     elif not isinstance(s, six.string_types):
         try:
-            return str(s)
+            if six.PY3:
+                return six.text_type(s).encode(encoding)
+            else:
+                return bytes(s)
         except UnicodeEncodeError:
             if isinstance(s, Exception):
                 # An Exception subclass containing non-ASCII data that doesn't
@@ -119,8 +132,8 @@ def smart_str(s, encoding='utf-8', strings_only=False, errors='strict'):
                 # further exception.
                 return ' '.join([smart_str(arg, encoding, strings_only,
                         errors) for arg in s])
-            return unicode(s).encode(encoding, errors)
-    elif isinstance(s, unicode):
+            return six.text_type(s).encode(encoding, errors)
+    elif isinstance(s, six.text_type):
         return s.encode(encoding, errors)
     elif s and encoding != 'utf-8':
         return s.decode('utf-8', errors).encode(encoding, errors)