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Project Description
Recipe for setting up a blobstorage
===================================

This recipe can be used to define a blobstorage. It creates a ZConfig
file-storage database specification supporting blobs via zope.file that
can be used by other recipes to generate ZConfig configuration files.

This recipe takes an optional combination of a path and a blob_dir option.
If one is specified, the other is mandatory. If none are given (recommended),
the recipe creates and uses a subdirectory of the buildout parts directory
with the same name as the part and a subdirectory 'blobs' therein.

Additional options, like cache-size, can be given via the
storage-options
Parameter.

The recipe was derived from Jim's zc.filestorage recipe.

Original README follows:
========================

The recipe records a zconfig option for use by other recipes.

We'll show a couple of examples, using a dictionary as a simulated buildout
object::

>>> import zc.recipe.filestorage
>>> buildout = dict(
... buildout = {
... 'directory': '/buildout',
... },
... db = {
... 'path': 'foo/Main.fs',
... },
... )
>>> recipe = zc.recipe.filestorage.Recipe(
... buildout, 'db', buildout['db'])

>>> print buildout['db']['path']
/buildout/foo/Main.fs

>>> print buildout['db']['zconfig'],
<zodb>
<filestorage>
path /buildout/foo/Main.fs
</filestorage>
</zodb>

>>> recipe.install()
()

>>> import tempfile
>>> d = tempfile.mkdtemp()
>>> buildout = dict(
... buildout = {
... 'parts-directory': d,
... },
... db = {},
... )

>>> recipe = zc.recipe.filestorage.Recipe(
... buildout, 'db', buildout['db'])

>>> print buildout['db']['path']
/tmp/tmpQo0DTB/db/Data.fs

>>> print buildout['db']['blob-dir']
/tmp/tmpQo0DTB/db/blobs

>>> print buildout['db']['zconfig'],
<zodb>
<blobstorage>
blob-dir /tmp/tmpQo0DTB/db/blobs
<filestorage>
path /tmp/tmpQo0DTB/db/Data.fs
</filestorage>
</blobstorage>
</zodb>

>>> recipe.install()
()

>>> import os
>>> os.listdir(d)
['db']

The update method doesn't do anything, as the database part's directory
already exists, but it is present, so buildout doesn't complain and doesn't
accidentally run install() again::

>>> recipe.update()


To do
-----

- Add support for various file-storage options

- Create a ZODB-configuration recipe that is meant to be a base class for
storage recipes and provides database-configuration options.
Release History

Release History

0.0.2

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
iwm.recipe.blobstorage-0.0.2-py2.4.egg (7.5 kB) Copy SHA256 Checksum SHA256 2.4 Egg Jul 16, 2007

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