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397a79ba56
As discussed in #214, source_created and source_changed didn't really have clear definitions. In truth, their names and separation betray their origins as model receivers in earlier versions. The "source group" abstraction helped us get away from thinking about things exclusively in terms of models, but these remained as an artifact.
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
from django.db import models
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from imagekit.models import ProcessedImageField
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from imagekit.models import ImageSpecField
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from imagekit.processors import Adjust, ResizeToFill, SmartCrop
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class ImageModel(models.Model):
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image = models.ImageField(upload_to='b')
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class Photo(models.Model):
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original_image = models.ImageField(upload_to='photos')
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# Implicit source field
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thumbnail = ImageSpecField([Adjust(contrast=1.2, sharpness=1.1),
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ResizeToFill(50, 50)], format='JPEG',
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options={'quality': 90})
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smartcropped_thumbnail = ImageSpecField([Adjust(contrast=1.2,
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sharpness=1.1), SmartCrop(50, 50)], source='original_image',
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format='JPEG', options={'quality': 90})
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class ProcessedImageFieldModel(models.Model):
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processed = ProcessedImageField([SmartCrop(50, 50)], format='JPEG',
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options={'quality': 90}, upload_to='p')
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class CountingCacheFileStrategy(object):
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def __init__(self):
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self.on_existence_required_count = 0
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self.on_content_required_count = 0
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self.on_source_saved_count = 0
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def on_existence_required(self, file):
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self.on_existence_required_count += 1
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def on_content_required(self, file):
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self.on_content_required_count += 1
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def on_source_saved(self, file):
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self.on_source_saved_count += 1
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class AbstractImageModel(models.Model):
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original_image = models.ImageField(upload_to='photos')
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abstract_class_spec = ImageSpecField(source='original_image',
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format='JPEG',
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cachefile_strategy=CountingCacheFileStrategy())
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class Meta:
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abstract = True
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class ConcreteImageModel(AbstractImageModel):
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pass
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class ConcreteImageModelSubclass(ConcreteImageModel):
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pass
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