moved unicode handling into backends.

git-svn-id: https://django-rcsfield.googlecode.com/svn/trunk@49 d91cc5cc-1343-0410-b1ed-e1360c4e4ba3

rcsfield/backends/bzr.py

@@ -66,7 +66,7 @@ def fetch(self, key, rev):
         finally:
             # needed to leave the tree in a usable state.
             rt.unlock()
-        return olddata
+        return unicode(olddata, 'utf-8')
 
 
     def commit(self, key, data):

rcsfield/backends/svn.py

@@ -46,7 +46,7 @@ def fetch(self, key, rev):
         c = pysvn.Client()
         svnrev = pysvn.Revision(pysvn.opt_revision_kind.number, int(rev))
         olddata = c.cat(os.path.join(settings.SVN_WC_PATH, key), revision = svnrev)
-        return olddata
+        return unicode(olddata, 'utf-8')
 
 
     def commit(self, key, data):

rcsfield/manager.py

@@ -33,7 +33,7 @@ def iterator(self):
                     file_path = '%s/%s/%s/%s.txt' % (obj._meta.app_label,obj.__class__.__name__, field.attname,obj.id)
                     try:
                         olddata = backend.fetch(file_path, self._rev)
-                        setattr(obj, field.attname, unicode(olddata))
+                        setattr(obj, field.attname, olddata)
                     except:
                         # for now just ignore errors raised in the backend 
                         # and return the content from the db (aka head revision)