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39 lines
1.1 KiB
39 lines
1.1 KiB
9 years ago
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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# Erik Stein <code@classlibrary.net>, 2016
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class UniversalThumbnail(ImageSpec):
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"""
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Produces thumbnail images from any type of media, using
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per-type initial conversion to an image.
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"""
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slug = 'thumbnail'
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not_applicable_types = (UNKNOWN, AUDIO, DOCUMENT)
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base_conversion_map = {
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IMAGE: [],
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MOVIE: [],
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}
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_processors = [ResizeToFill(100, 50)]
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format = 'JPEG'
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options = {'quality': 60}
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@property
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def processors(self):
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instance, field_name = get_field_info(self.source)
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if instance.media_type in self.not_applicable_types:
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raise ConversionNotApplicable
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if instance.media_type ==
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processors = self.base_conversion_map[instance.media_type]
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"""
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Dynamic spec, depending on the source's media type
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e.g. first convert a movie to an image, depending on a time code
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for the movie poster
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see http://django-imagekit.readthedocs.org/en/develop/advanced_usage.html#specs-that-change
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"""
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