Well I can answer the last bit of your question at least.
There are 2 basic field types Form Field & Model Field. Form fields
are used in form classes where as Model Fields are used in Models.
Model fields handle the normalization of python objects to data
suitable for storage in your database and map to columns in a specific
table.
Form fields handle the normalization of user input to django/python
objects. Form fields can be rendered out to HTML, where as Model
fields can not.
You can easily subclass/create new form fields with out too much of a
hitch. Model fields on the other hand is pretty tricky business.
On Feb 11, 11:17 am, Nasp <charett...@gmail.com> wrote:
> Hey guys, I just did the big switch from PHP and I'm wondering if you
> can help me solve this issue the django way.
>
> The big picture is, we've got news associated with images and videos.
> Those "medias" can be ordered and must provide thumbnails for the
> client side.
>
> So far i came up with inline ordering in the admin and thumbnail
> generations via sorl.
> I found out ffmpeg could easily extract thumbnails from videos so i
> was about to try to build a wrapper around it to handle video files
> the way sorl does with images via PIL. Do you know any other way to
> generate video thumbnails?
>
> In order to structure the project i built a django app called "media"
> and defined a VideoField(forms.FileField) class, this way we extract .
> I'm planing to use an intermediate field called MediaField which will
> handle the abstraction with a dictionary association based on the
> model type attribute.
>
> class NewsMedia(models.Model):
> """
> News Media
> """
> MEDIA_CHOICES = (
> ('image', _('image')),
> ('video', _('video')),
> )
> news = models.ForeignKey(News)
> type = models.CharField(max_length=1,
> choices=MEDIA_CHOICES)
> media = models.MediaField(medias={
> 'images':
> models.ImageField(upload_to='uploads/images/'),
> 'video' :
> models.VideoField(upload_to='uploads/videos/'),
> },
> type_field='type');
> order = models.IntegerField(null=True, blank=True)
>
> class Meta:
> ordering = ('order',)
>
> Also i'm having problems trying to figure out whats the exact
> difference between django.form.FileField and
> django.db.models.FileField.
>
> I'd greatly appreciate If you have any idea how to implement those
> features or know an already existing solution.
>
> thanks,
> Simon
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