Don't forget to replace "self.image" by your image field name from your model ex ( self.cover ) replace Product by your model name works pretty well :)
Small snippet that will resize all images before they uploaded to the server.
Dynamic Thumbnail for `ImageField` with `Pillow`.
This function emulates the file upload behaviour of django's admin, but can be used in any view. It takes a list of POST keys that represent uploaded files, and saves the files into a date-formatted directory in the same manner as a `FileField`'s `upload_to` argument.
You can use this as a model method.
I've reimplemented the code I found somewhere on the web within my models file. The earlier version was incapable of converting all formats to JPG while this code converts all formats and compresses all of them successfully. You need to have PILLOW installed for this to work.
You can specyfy max width and height which image can have, and it never exceed that size.
I've reimplemented the code I found somewhere on the web within my models file. The earlier version was incapable of converting all formats to JPG while this code converts all formats and compresses all of them successfully.
The widget for FileField and ImageField has a problem: it doesn't supports clear its value and it doesn't delete the old file when you replace it for a new one. This is a solution for this. It is just for Admin, but you can make changes to be compatible with common forms. The jQuery code will put an **<input type="checkbox">** tag next to every **<input type="file">** and user can check it to clear the field value. When a user just replace the current file for a new one, the old file will be deleted.
This widget allows you to display preview images with adjustable width and length of the link: [example](http://img526.imageshack.us/img526/6588/screenshotat20111026215.png) AdvancedFileInput(preview=True, image_width=200) For other files, you can adjust the length of the link without preview: [example](http://img845.imageshack.us/img845/6588/screenshotat20111026215.png) AdvancedFileInput(preview=False, url_length=30) by default, parameters are: preview = True url_length = 30 image_width = 200
AdminImageWidget is a ImageField Widget for admin that shows a thumbnail. Usage example on a form: class IconForm(forms.ModelForm): icon = forms.ImageField(label='icon', widget=AdminImageWidget)
This snippet creates thumbnails on-demand from a ImageField with any size using dynamics methods, like ``get_photo_80x80_url`` or ``get_photo_640x480_filename``, etc. It assumes you have an `ImageField` in your Model called `photo` and have this in your models.py: import re from os import path from PIL import Image GET_THUMB_PATTERN = re.compile(r'^get_photo_(\d+)x(\d+)_(url|filename)$') `models.py` example: import re from os import path from PIL import Image from django.db import models GET_THUMB_PATTERN = re.compile(r'^get_photo_(\d+)x(\d+)_(url|filename)$') class Photo(models.Model): photo = models.ImageField(upload_to='photos/%Y/%m/%d') <snippet here> Example usage: >>> photo = Photo(photo="/tmp/test.jpg") >>> photo.save() >>> photo.get_photo_80x80_url() u"http://media.example.net/photos/2008/02/26/test_80x80.jpg" >>> photo.get_photo_80x80_filename() u"/srv/media/photos/2008/02/26/test_80x80.jpg" >>> photo.get_photo_64x64_url() u"http://media.example.net/photos/2008/02/26/test_64x64.jpg" >>> photo.get_photo_64x64_filename() u"/srv/media/photos/2008/02/26/test_64x64.jpg"
Rather simple usage, modelforms/in the admin: class CustomAdminForm(forms.ModelForm): class Meta: model = Something widgets = { 'image': URLFileInput(default_exts=[".png", ".gif", ".jpg"]), } class SomethingAdmin(admin.ModelAdmin): form = CustomAdminForm admin.site.register(Something, SomethingAdmin) Basically, this will pull the image from the URL instead of only pulling it from your harddrive for upload. Also accepts optional default_exts argument which limits the file types. Defaults to images.
#### this is the right and working way
This code will add a thumbnail image to your Model's Admin list view. The code will also generate the thumb images, so the first view may be a little slow loading. This assumes you have an **ImageField** in your Model called **image**, and the field's **upload_to** directory has a subdirectory called **tiny**. You then must add **"thumb"** to your Model's Admin **list_display**. The thumbnail images are also linked to the full size view of the image. I found this **VERY** useful... hope someone else does as well.