[py3] Fixed remaining Python 3 syntax errors.

django.utils.unittest.* weren't touched -- they're only imported on Python 2.6.

django/core/management/__init__.py

@@ -324,7 +324,7 @@ class ManagementUtility(object):
                         subcommand_cls.option_list]
             # filter out previously specified options from available options
             prev_opts = [x.split('=')[0] for x in cwords[1:cword-1]]
-            options = filter(lambda (x, v): x not in prev_opts, options)
+            options = [opt for opt in options if opt[0] not in prev_opts]
 
             # filter options by current input
             options = sorted([(k, v) for k, v in options if k.startswith(curr)])

django/test/_doctest.py

@@ -105,6 +105,8 @@ import unittest, difflib, pdb, tempfile
 import warnings
 from StringIO import StringIO
 
+from django.utils import six
+
 if sys.platform.startswith('java'):
     # On Jython, isclass() reports some modules as classes. Patch it.
     def patch_isclass(isclass):
@@ -1232,8 +1234,8 @@ class DocTestRunner:
             # keyboard interrupts.)
             try:
                 # Don't blink!  This is where the user's code gets run.
-                exec compile(example.source, filename, "single",
-                             compileflags, 1) in test.globs
+                six.exec_(compile(example.source, filename, "single",
+                             compileflags, 1), test.globs)
                 self.debugger.set_continue() # ==== Example Finished ====
                 exception = None
             except KeyboardInterrupt:

tests/modeltests/select_for_update/tests.py

@@ -206,7 +206,7 @@ class SelectForUpdateTests(TransactionTestCase):
             sanity_count += 1
             time.sleep(1)
         if sanity_count >= 10:
-            raise ValueError, 'Thread did not run and block'
+            raise ValueError('Thread did not run and block')
 
         # Check the person hasn't been updated. Since this isn't
         # using FOR UPDATE, it won't block.

tests/regressiontests/forms/tests/extra.py

@@ -554,7 +554,7 @@ class FormsExtraTestCase(TestCase, AssertFormErrorsMixin):
     def test_smart_unicode(self):
         class Test:
             def __str__(self):
-               return b'ŠĐĆŽćžšđ'
+               return 'ŠĐĆŽćžšđ'.encode('utf-8')
 
         class TestU:
             def __str__(self):