def make_layered_fs(write_fs_string, *read_fs_strings):
multifs_kwargs = []
write_fs = make_fs_from_string(write_fs_string)
multifs_kwargs.append({
'name': 'layer1',
'fs': write_fs,
'write': True,
})
for layer_number, read_fs_string in enumerate(read_fs_strings, 2):
read_fs = make_fs_from_string(read_fs_string)
multifs_kwargs.append({
'name': 'layer%d' % layer_number,
'fs': read_fs,
'write': False,
})
# Create the multi-layered filesystem object. Add the layers in
# reverse order because that is how the multifs class requires it.
# See http://pythonhosted.org/fs/multifs.html
# Also, disable thread locking because we don't intend on updating
# the child FS objects after this initalization step.
multi_fs = multifs.MultiFS(thread_synchronize=False)
for kwargs in reversed(multifs_kwargs):
multi_fs.addfs(**kwargs)
return multi_fs
def make_storage(self):
"""
Create a storage object that will exercise
multiple FS types and wrapping layers.
"""
fs = layeredfs.make_layered_fs('/tmp', 's3:apn-localdev-test1/test',
'http://media2.apnonline.com.au/img/')
fs = cachefs.enable_caching(fs, cachefs=make_fs_from_string('tempfs'))
return FSStorage(fs, base_url=settings.MEDIA_STORAGE_URL)
def make_storage(self):
"""
Create a storage object that will exercise
multiple FS types and wrapping layers.
"""
fs = layeredfs.make_layered_fs(
'/tmp',
's3:apn-localdev-test1/test',
'http://media2.apnonline.com.au/img/'
)
fs = cachefs.enable_caching(fs, cachefs=make_fs_from_string('tempfs'))
return FSStorage(fs, base_url=settings.MEDIA_STORAGE_URL)
