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django-thumbnail-maker 0.0.5

Thumbnail maker for Django

Auto-generator of thumbnails for Django, using sorl-thumbnail.

Features

  • Auto-genarates thumbnails using sorl-thumbnail while uploading (saving) images
  • You can use any engines & plugins you usually use with sorl-thumbnail
  • The application does not replace thumbnail templatetag and you can use everything you want from sorl-thumbnail
  • Command to auto-generate missing thumbnails

How to Use

Get the code

Get the code for the latest stable release use pip:

$ pip install django-thumbnail-maker

Configure your project

Register 'thumbnail_maker', in the INSTALLED_APPS section of your project’s settings:

INSTALLED_APPS = (
    'django.contrib.auth',
    'django.contrib.admin',
    'django.contrib.sites',
    'django.contrib.comments',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.contenttypes',

    'thumbnail_maker',
)

Set up required thumb formats in THUMBNAIL_MAKER_FORMATS dictionary. Keys are the names for your formats (could be any string). Values are tuples of length 2: first element is a geometry string (used in sorl-thumbnail), second is a dictionary with options (crop, quality, padding, format, etc.):

 THUMBNAIL_MAKER_FORMATS = {
    'banner':   ('400x300', {'crop': 'center',
                             'quality': 90}),
    '50x50':    ('50x50',   {}),
    'any_name': ('5x277',   {'padding': True})
}

You can set up THUMBNAIL_MAKER_DEBUG setting. By default it is set to False in order to pass exceptions while saving models or while generating batch of thumbnails. This setting is not required. Usage:

THUMBNAIL_MAKER_DEBUG = True

Set up your model’s field

Use ImageWithThumbnailsField and thumbs option, where thumbs is a tuple of thumb format names (keys from THUMBNAIL_MAKER_FORMATS dictionary):

from django.db import models
from thumbnail_maker import ImageWithThumbnailsField

class Item(models.Model):
    image = ImageWithThumbnailsField(
        upload_to='somewhere',
        thumbs=('banner', '50x50'),
    )

Templates usage

All of the examples assume that you first load the thumbnail_maker template tag in your template:

{% load thumbnail_maker %}

A simple usage:

{% usethumbnail item.image "banner" as im %}
    <img src="{{ im.url }}" width="{{ im.width }}" height="{{ im.height }}">
{% endusethumbnail %}

{% usethumbnail item.image "50x50" as im %}
    <img src="{{ im.url }}" width="{{ im.width }}" height="{{ im.height }}">
{% endusethumbnail %}

You can also use string paths instead of image objects:

{% usethumbnail "dummy/image.png" "50x50" as im %}
    <img src="{{ im.url }}" width="{{ im.width }}" height="{{ im.height }}">
{% endusethumbnail %}

Management commands usage

Django-thumbnail-maker comes with a manage.py command to generate missing thumbs. You can use it while

./manage.py make_thumbnails <app>.<model> <field>

In case you want to make all thumbs replacing old ones, use --force option:

./manage.py make_thumbnails --force <app>.<model> <field>
 
File Type Py Version Uploaded on Size
django-thumbnail-maker-0.0.5.tar.gz (md5, pgp) Source 2014-06-24 6KB
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