Create image fails with empty file

[Nikita Konovalov]

When trying to upload an empty file as an image, horizon will show a following error:

Environment:

Request Method: POST
Request URL: http://localhost/project/images_and_snapshots/create/

Django Version: 1.4.6
Python Version: 2.7.3
Installed Applications:
['openstack_dashboard',
 'django.contrib.contenttypes',
 'django.contrib.auth',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.humanize',
 'compressor',
 'horizon',
 'openstack_dashboard.dashboards.project',
 'openstack_dashboard.dashboards.admin',
 'openstack_dashboard.dashboards.settings',
 'openstack_auth']
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'horizon.middleware.HorizonMiddleware',
 'django.middleware.doc.XViewMiddleware',
 'django.middleware.locale.LocaleMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware')

Traceback:
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py" in get_response
  111. response = callback(request, *callback_args, **callback_kwargs)
File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/decorators.py" in dec
  38. return view_func(request, *args, **kwargs)
File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/decorators.py" in dec
  54. return view_func(request, *args, **kwargs)
File "/opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/decorators.py" in dec
  38. return view_func(request, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py" in view
  48. return self.dispatch(request, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py" in dispatch
  69. return handler(request, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/django/views/generic/edit.py" in post
  137. if form.is_valid():
File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in is_valid
  124. return self.is_bound and not bool(self.errors)
File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in _get_errors
  115. self.full_clean()
File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in full_clean
  271. self._clean_form()
File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py" in _clean_form
  299. self.cleaned_data = self.clean()
File "/opt/stack/horizon/openstack_dashboard/wsgi/../../openstack_dashboard/dashboards/project/images_and_snapshots/images/forms.py" in clean
  97. if not data['copy_from'] and not data['image_file']:

Exception Type: KeyError at /project/images_and_snapshots/create/
Exception Value: 'image_file'

[Gabriel Hurley (gabriel-hurley)]

https://review.openstack.org/#/c/49043/1