Added some new patches, including a patch to patch.py to let us report when patching has happened.

 - Legacy-Id: 14663

Author: levkowetz

ietf/checks.py

@@ -366,13 +366,23 @@ def maybe_patch_library(app_configs, **kwargs):
     for patch_file in settings.CHECKS_LIBRARY_PATCHES_TO_APPLY:
         patch_path = os.path.join(saved_cwd, patch_file)
         patch_set = patch.fromfile(patch_path)
+        if not hasattr(patch_set, 'already_patched'):
+            patch_set.already_patched = False
         if patch_set:
-            if not patch_set.apply():
+            applied = patch_set.apply()
+            if not applied:
                 errors.append(checks.Warning(
                     "Could not apply patch from file '%s'"%patch_file,
                     hint="Make sure that the patch file contains a unified diff and has valid file paths",
                     id="datatracker.W0002",
                     ))
+            elif patch_set.already_patched:
+                #for p in patch_set:
+                #    sys.stderr.write("  Already patched: %s\n" % p.target)
+                pass
+            else:
+                for p in patch_set:
+                    sys.stderr.write("  Patched %s\n" % p.target)
         else:
             errors.append(checks.Warning(
                 "Could not parse patch file '%s'"%patch_file,

patch/fix-django-unicode-comparison-bug.patch

@@ -1,11 +1,30 @@
 --- django/db/models/fields/__init__.py.old	2017-06-14 08:43:21.665812000 -0700
 +++ django/db/models/fields/__init__.py	2017-12-17 14:34:03.023976702 -0800
-@@ -2344,7 +2344,7 @@
+@@ -2340,7 +2340,7 @@
          if self.has_default() and not callable(self.default):
              return self.default
          default = super(BinaryField, self).get_default()
 -        if default == '':
 +        if isinstance(default, six.text_type) and default == '':
              return b''
          return default
+
+--- django/forms/widgets.py.old	2018-02-21 15:17:40.742742712 -0800
++++ django/forms/widgets.py	2018-02-21 15:19:57.182002508 -0800
+@@ -7,6 +7,7 @@
+ import copy
+ import datetime
+ import re
++import six
+ from itertools import chain
 
+ from django.conf import settings
+@@ -195,7 +196,7 @@
+         """
+         Return a value as it should appear when rendered in a template.
+         """
+-        if value == '' or value is None:
++        if value is None or isinstance(value, six.string_types) and len(value) == 0:
+             return None
+         if self.is_localized:
+             return formats.localize_input(value)