Hi, all.
Problem
=======
In updating objects(UpdateView and so on),
django.forms.widgets.ClearableFileInput doesn't render a currently value when
the POSTed data was invalid(for example, uploading PDF file to ImageField using
ClearableFileInput).
The HTML rendered when invalid error is only includes input tag. It's natural
to render more components ("Currentry: /path/to/spam", clear checkbox and so
on).
For more detail
----------------------
And the input field rendered when invalid error allows empty, even if the field
is required. And it allows empty submit. In this case, the currently value will
retain. This behavior is gross. seriously.
Why this happens
===============
render method on ClearableFileInput isn't render currently value and checkbox
when value arg is empty.
When validation error is raise, the arg will be empty.
Django's version
==============
I found this behavior in Django==1.4.1
conclusion
=========
If you can't understand my poor English or this problem is my misunderstanding,
sorry, please tell me so.
-----------------------
Hiroki Kiyohara
@hirokiky
http://hirokiky.org/
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