mirror of
https://github.com/Hopiu/django-imagekit.git
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42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
from .files import ImageSpecFieldFile
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class BoundImageKitMeta(object):
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def __init__(self, instance, spec_fields):
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self.instance = instance
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self.spec_fields = spec_fields
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@property
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def spec_files(self):
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return [getattr(self.instance, n) for n in self.spec_fields]
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class ImageKitMeta(object):
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def __init__(self, spec_fields=None):
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self.spec_fields = list(spec_fields) if spec_fields else []
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def __get__(self, instance, owner):
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if instance is None:
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return self
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else:
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ik = BoundImageKitMeta(instance, self.spec_fields)
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setattr(instance, '_ik', ik)
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return ik
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class ImageSpecFileDescriptor(object):
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def __init__(self, field, attname):
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self.attname = attname
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self.field = field
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def __get__(self, instance, owner):
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if instance is None:
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return self.field
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else:
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img_spec_file = ImageSpecFieldFile(instance, self.field,
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self.attname)
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instance.__dict__[self.attname] = img_spec_file
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return img_spec_file
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def __set__(self, instance, value):
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instance.__dict__[self.attname] = value
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