#27521: QueryDict is inconsistently converted to kwargs between CPython and PyPy
-------------------------------------+-------------------------------------
Reporter: Mark | Owner: nobody
Heppner |
Type: Bug | Status: new
Component: Core | Version: 1.10
(Other) | Keywords: PyPy QueryDict
Severity: Normal | MultiValueDict
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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{{{
from django.conf import settings
settings.configure()
from django.http.request import QueryDict
q = QueryDict('foo=bar&foo=baz')
def test(**kwargs):
print(kwargs)
test(**q)
}}}
In CPython 2.7, 3.4, and 3.5, this prints out `{u'foo': [u'bar',
u'baz']}`, with the value being set to a list. In PyPy 5.4 (2.7.10) and
5.6 (2.7.12), the value comes back as a single string, always picking the
last item `{u'foo': u'baz'}`. To clarify, the instance of `QueryDict` is
the same between the two, they both show the value as a list; it's only
different when converting to kwargs. From what I can tell, this
inconsistent behavior is present in Django 1.8, 1.9, and 1.10.
In PyPy, this can be fixed by first casting to a `dict`:
{{{
> test(**dict(q))
{u'foo': [u'bar', u'baz']}
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/27521>
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