mirror of
https://github.com/Hopiu/django-imagekit.git
synced 2026-03-17 05:40:25 +00:00
50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
import os
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from django.db.models.fields.files import ImageFieldFile
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from .utils import SpecWrapper, suggest_extension
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class ImageSpecFile(ImageFieldFile):
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def __init__(self, spec, source_file, spec_id):
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spec = SpecWrapper(spec)
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self.storage = spec.storage or source_file.storage
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self.spec = spec
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self.source_file = source_file
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self.spec_id = spec_id
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@property
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def url(self):
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self.validate()
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return super(ImageFieldFile, self).url
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def _get_file(self):
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self.validate()
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return super(ImageFieldFile, self).file
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file = property(_get_file, ImageFieldFile._set_file, ImageFieldFile._del_file)
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def clear(self):
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return self.spec.image_cache_backend.clear(self)
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def invalidate(self):
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return self.spec.image_cache_backend.invalidate(self)
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def validate(self):
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return self.spec.image_cache_backend.validate(self)
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@property
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def name(self):
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source_filename = self.source_file.name
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filepath, basename = os.path.split(source_filename)
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filename = os.path.splitext(basename)[0]
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extension = suggest_extension(source_filename, self.spec.format)
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new_name = '%s%s' % (filename, extension)
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cache_filename = ['cache', 'iktt'] + self.spec_id.split(':') + \
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[filepath, new_name]
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return os.path.join(*cache_filename)
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def generate(self, save=True):
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return self.spec.generate_file(self.name, self.source_file, save)
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