An example of django-imagekit's specfile.

models.py

class Shot(ImageModel):
    photo = models.ImageField(upload_to='photos/groups/')
    taken = models.DateField()

    class IKOptions:
        image_field = 'photo'
        spec_module = 'specs'

specs.py

from imagekit.specs import ImageSpec
from imagekit import processors


class Enhance(processors.Adjustment):
    contrast = 1.1
    sharpness = 1.1


class ResizeDisplay(processors.Resize):
    height = 296


class ResizeMini(processors.Resize):
    crop = True
    height = 30
    width = 30


class ResizeThumb(processors.Resize):
    width = 72


class ResizeRanking(processors.Resize):
    width = 230


class Display(ImageSpec):
    pre_cache = True
    processors = [Enhance, ResizeDisplay]
    quality = 80


class Mini(ImageSpec):
    pre_cache = True
    processors = [Enhance, ResizeMini]
    quality = 80


class Ranking(ImageSpec):
    pre_cache = True
    processors = [Enhance, ResizeRanking]
    quality = 80


class Thumbnail(ImageSpec):
    pre_cache = True
    processors = [Enhance, ResizeThumb]
    quality = 80

🆒 🔥 👍