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55 lines
1.7 KiB
55 lines
1.7 KiB
9 years ago
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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import os
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import warnings
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from django.conf import settings
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from django.core.files.storage import FileSystemStorage
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from django.utils._os import safe_join
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from django.utils.six.moves.urllib.parse import urljoin
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ORIGINAL_FILE_PREFIX = 'original'
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CACHED_VARIANT_PREFIX = 'cache'
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MANUAL_VARIANT_PREFIX = 'manual'
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# TODO ? @deconstructible
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class ProtectedMediaAssetStorage(FileSystemStorage):
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"""
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Alllows uploads to /original/-subdirectories, but never provides URLs
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to those files, instead raising an error.
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"""
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ORIGINAL_FILE_PREFIX = ORIGINAL_FILE_PREFIX
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def __init__(self, location=None, file_permissions_mode=None,
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directory_permissions_mode=None):
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if location is None:
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location = getattr(settings, 'PROTECTED_MEDIA_ASSETS_ROOT', settings.PROTECTED_MEDIA_ASSETS_ROOT)
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super(ProtectedMediaAssetStorage, self).__init__(self, location=location, file_permissions_mode=None,
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directory_permissions_mode=None)
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def delete(self, name):
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super(ProtectedMediaAssetStorage, self).delete(name)
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# FIXME Delete all cached files, too
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warnings.warn("Cached files for asset \"%s\" are not deleted." % name)
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def path(self, name):
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"""
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`name` must already contain the whole asset filesystem path.
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"""
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return safe_join(self.location, ORIGINAL_FILE_PREFIX, name)
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def size(self, name):
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return os.path.getsize(self.path(name))
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def url(self, name):
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if self.base_url is None:
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raise ValueError("This file is not accessible via a URL.")
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# TODO ? @deconstructible
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class
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return urljoin(self.base_url, ORIGINAL_FILE_PREFIX, filepath_to_uri(name))
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