52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
from __future__ import unicode_literals
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import os
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import zipfile
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try:
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import zlib
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COMPRESSION = zipfile.ZIP_DEFLATED
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except:
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COMPRESSION = zipfile.ZIP_STORED
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try:
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from cStringIO import StringIO
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except ImportError:
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from StringIO import StringIO
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from django.core.files import File
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from django.core.files.storage import FileSystemStorage
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from ..settings import FILESTORAGE_LOCATION
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class CompressedStorage(FileSystemStorage):
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"""Simple wrapper for the stock Django FileSystemStorage class"""
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separator = os.path.sep
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def __init__(self, *args, **kwargs):
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super(CompressedStorage, self).__init__(*args, **kwargs)
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self.location = FILESTORAGE_LOCATION
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def save(self, name, content):
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descriptor = StringIO()
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zf = zipfile.ZipFile(descriptor, mode='w', compression=COMPRESSION)
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zf.writestr('document', content.read())
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for file in zf.filelist:
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file.create_system = 0
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zf.close()
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descriptor.seek(0)
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return super(CompressedStorage, self).save(name, File(descriptor))
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def open(self, name, mode='rb'):
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storage_file = super(CompressedStorage, self).open(name, mode)
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zf = zipfile.ZipFile(storage_file)
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descriptor = StringIO()
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descriptor.write(zf.read('document'))
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descriptor.seek(0)
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return File(descriptor)
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