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It remembers selected files in form on validation errors.

branch: master
README.markdown

django-file-resubmit

In Django project you have forms with FileField, ImageField. Everything works great, but when ValidationError is raised, you have to reselect all files and images again. It is kind of annoying. django-file-resubmit solves this problem. It works with FileField, ImageField and sorl.thumbnail.ImageField.

How does it work?

Here are special widgets for FileField and ImageField. When you submit files, every widget saves its file in cache. And when ValidationError is raised, widgets restore files from cache.

Compatible with sorl-thumbnails

It is compatible with sorl-thumbnail.

Installation

 $ pip install django-file-resubmit

Configuration

Add "file_resubmit" to INSTALLED_APPS.

INSTALLED_APPS = {
    ...
    'file_resubmit',
    ...
}

Setup cache in settings.py.

CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
    },
    "file_resubmit": {
        'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache',
        "LOCATION": '/tmp/file_resubmit/'
    },

Examples

models.py

from django.db import models
from django.db.models import ImageField
# or if you use sorl-thumbnail
# from sorl.thumbnail.fields import ImageField

class Page(models.Model):
    title = models.CharField(max_length=100)
    content = models.TextField()
    image =  ImageField(upload_to='whatever1')

Admin example

admin.py

from django.contrib import admin
from file_resubmit.admin import AdminResubmitMixin
from .models import Page

class PageAdmin(AdminResubmitMixin, admin.ModelAdmin):
    pass

admin.site.register(Page, PageAdmin)

Widgets examples

admin.py

from django.forms import ModelForm
from file_resubmit.admin import AdminResubmitImageWidget, AdminResubmitFileWidget
from .models import Page

class PageModelForm(forms.ModelForm)

    class Meta:
        model = MyModel
        widgets = {
            'picture': AdminResubmitImageWidget,
            'file': AdminResubmitFileWidget, 
        }

class PageAdmin(admin.ModelAdmin):
    form = PageModelForm

admin.site.register(Page, PageAdmin)

Licensing

django-file-resubmit is free software under terms of the MIT License.

Copyright (C) 2011 by Ilya Shalyapin, ishalyapin@gmail.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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