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Fixed #16393 -- FormWizard's cookie storage backend now works with all versions of simplejson and the standard library json module.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17014 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Alex Gaynor 2011-10-19 00:09:41 +00:00
parent 2bc77be12e
commit 358e5a8031

View File

@ -1,9 +1,11 @@
from django.core.files.uploadedfile import UploadedFile
from django.utils.functional import lazy_property
from django.utils.datastructures import MultiValueDict
from django.utils.encoding import smart_str
from django.utils.functional import lazy_property
from django.contrib.formtools.wizard.storage.exceptions import NoFileStorageConfigured
class BaseStorage(object):
step_key = 'step'
step_data_key = 'step_data'
@ -43,9 +45,20 @@ class BaseStorage(object):
extra_data = lazy_property(_get_extra_data, _set_extra_data)
def get_step_data(self, step):
return self.data[self.step_data_key].get(step, None)
# When reading the serialized data, upconvert it to a MultiValueDict,
# some serializers (json) don't preserve the type of the object.
values = self.data[self.step_data_key].get(step, None)
if values is not None:
values = MultiValueDict(values)
return values
def set_step_data(self, step, cleaned_data):
# If the value is a MultiValueDict, convert it to a regular dict of the
# underlying contents. Some serializers call the public API on it (as
# opposed to the underlying dict methods), in which case the content
# can be truncated (__getitem__ returns only the first item).
if isinstance(cleaned_data, MultiValueDict):
cleaned_data = dict(cleaned_data.lists())
self.data[self.step_data_key][step] = cleaned_data
@property