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cornerstone.soup-2.4.1.1
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Container with queryable Records for Zope 2
| ویژگی | مقدار |
|---|---|
| سیستم عامل | OS Independent |
| نام فایل | cornerstone.soup-2.4.1.1 |
| نام | cornerstone.soup |
| نسخه کتابخانه | 2.4.1.1 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | BlueDynamics Alliance |
| ایمیل نویسنده | dev@bluedynamics.com |
| آدرس صفحه اصلی | http://dev.plone.org/collective/browser/cornerstone.soup |
| آدرس اینترنتی | https://pypi.org/project/cornerstone.soup/ |
| مجوز | BSD |
Overview
========
``cornerstone.soup`` provides a container for persistent records which are
queryable. It is a genric storage for mass-data in an isolated container.
Light-weight records are stored in an ``IOBTree``. A Zope-Tool-Kit catalog in
used to index values of interest. cornerstone.soup is no out-of-the-box
package. Its addressed to developers needing to solve the problem of storing
tiny entities of mass-data, where heavy weight archetypes or dexterity are too
much effort and are to slow. I.e if you need a container for non-CMSish content,
like votes, data from a poll, orders in a webshop, measuring data, or alike.
Updating
========
In earlier days of this package we thought it's a good idea to persist the
soup data in persistent local components. That was quite a mistake, at least
in Plone context, because GenericSetup purges local components when applying
base profiles - what you're normally not doing, but experience shows that shit
happens ;). So we changed the storage location to annotations on an acquireable,
``ISoupAnnotatable`` providing context.
Further the soup API was designed as utility, which was basically a good idea,
but caused toubles when looking up ``SoupData`` after the storage change.
We used ``getSiteManager`` to access the Acquisition context, and encountered
inconsistencies for accessing the Acquisition context from different site
managers in Plone.
The second problem forced us more or less to abandon the utility pattern, the
soup object itself now acts as adapter for context and is looked up via
``getSoup`` instead of a utility lookup. After updating, you'll get
``NoLongerSupported`` errors when trying to access a soup which is provided and
looked up as utility. You'll have to change your code to use ``getSoup``,
and remove the soup local component registration from your GS Profile(s).
::
>>> from cornerstone.soup import getSoup
>>> soup = getSoup(context, 'mysoup')
The new package ships with data migration. After updating call
``soup-controlpanel`` (in Plone) and run storage migration and remove persistent
local component for each soup. Prior to running the storage migration the
existing soup data is inaccessible.
Due to the fact that the soup was originally persisted to the ZOBD, it still
inherits from SimpleItem. This will be changed with the release 3.0.
Keep in mind that 3.0 will break installations with non-cleaned-up
databases.
Usage
=====
``SoupData`` objects are stored as annotation to an object providing the
``ISoupAnnotatable`` interface.
For use inside Plone, provide ``ISoupAnnotatable`` via ``five.implements`` on
the plone site object usind ZCML.
::
<five:implements
class="Products.CMFPlone.Portal.PloneSite"
interface="cornerstone.soup.interfaces.ISoupAnnotatable" />
``SoupData`` is looked up by ``id`` for a given context. This context acquires
it's parent until ``ISoupAnnotatable`` is found, on which the ``SoupData`` is
annotated by ``id``. Use ``getSoup`` function for this.
::
>>> from cornerstone.soup import getSoup
>>> soup = getSoup(context, 'my_soup_id')
>>> soup
<Soup at my_soup_id>
If no ``SoupData`` is found for given id, a new one is created and annotated
to ``ISoupAnnotatable``.
We must provide an ``ICatalogFactory`` implementation for each soup, registered
as utility under the same ``id`` as ``SoupData`` is annotated.
Make sure that Catalog is re-created each time catalog factory gets called. this
is needed for correct record reindexing.
::
>>> from zope.interface import implements
>>> from zope.catalog.catalog import Catalog
>>> from zope.catalog.field import FieldIndex
>>> from cornerstone.soup.interfaces import ICatalogFactory
>>> class MyCatalogFactory(object):
... implements(ICatalogFactory)
...
... def __call__(self):
... catalog = Catalog()
... catalog[u'name'] = FieldIndex(field_name='name',
... field_callable=False)
... return catalog
ZCML.
::
<utility
name="my_soup_id"
factory=".mymodule.MyCatalogFactory"
provides="cornerstone.soup.interfaces.ICatalogFactory" />
A Soup can only contain ``Records``. A Record is a simple persistent object
which accepts any keyword arguments on ``__init__`` time. This arguments are
used as Record properties.
Create a Record and add it to soup.
::
>>> from cornerstone.soup import Record
>>> record = Record(user='user1')
>>> id = soup.add(record)
Check querying.
::
>>> [r for r in soup.query(user='user1')]
[<Record at ...>]
>>> [r for r in soup.query(user='nonexist')]
[]
Add some more Records.
::
>>> id = soup.add(Record(user='user1'))
>>> id = soup.add(Record(user='user2'))
>>> u1records = [r for r in soup.query(user='user1')]
>>> u1records
[<Record at ...>,
<Record at ...>]
Change user attribute of one record.
::
>>> u1records[0].data['user'] = 'user2'
The query still returns the old result. The Record must be reindexed.
::
>>> [r for r in soup.query(user='user1')]
[<Record at ...>,
<Record at ...>]
>>> soup.reindex([u1records[0]])
>>> u1 = [r for r in soup.query(user='user1')]
>>> u1
[<Record at ...>]
>>> u2 = [r for r in soup.query(user='user2')]
>>> u2
[<Record at ...>,
<Record at ...>]
You can reindex all records in soup at once.
::
>>> all = [r for r in soup.data.values()]
>>> all = sorted(all, key=lambda x: x.user)
>>> all
[<Record at ...>,
<Record at ...>,
<Record at ...>]
>>> all[-1].data['user'] = 'user3'
>>> soup.reindex()
>>> [r for r in soup.query(user='user3')]
[<Record at ...>]
You can also rebuild the catalog. In this case the catalog factory is called
again and the new catalog is used.
Add index with key name in catalog factory source.
::
>>> from zope.catalog.field import FieldIndex
>>> catalog[u'name'] = FieldIndex(field_name='name',
... field_callable=False)
Set name attribute on some record data, rebuild soup and check results.
::
>>> all[0].data['name'] = 'name'
>>> all[1].data['name'] = 'name'
>>> all[2].data['name'] = 'name'
>>> soup.rebuild()
>>> [r for r in soup.query(name='name')]
[<Record at ...>,
<Record at ...>,
<Record at ...>]
Delete records.
::
>>> del soup[all[0]]
>>> [r for r in soup.query(name='name')]
[<Record at ...>,
<Record at ...>]
For huge expected results we can query LazyRecords. They return the real record
on call.
::
>>> lazy = [l for l in soup.lazy(name='name')]
>>> lazy
[<cornerstone.soup.soup.LazyRecord object at ...>,
<cornerstone.soup.soup.LazyRecord object at ...>]
>>> lazy[0]()
<Record at ...>
Text Index NG 3 support
=======================
This package provides a zope3 index wrapper for textindexng3. It is located at
``cornerstone.soup.ting.TingIndex``.
You can use textindexng3 to index multiple fields of record at once, and make
complex queries to this index. See
`Products.TextIndexNG3 <http://pypi.python.org/pypi/Products.TextIndexNG3>`_
for more information.
I you want to use textindexng3 with ``cornerstone.soup``, make sure package
``zopyx.txng3.core`` is installed and it's ZCML is loaded. ``zopyx.txng3.core``
is NO hard dependency of ``cornerstone.soup``.
A ``TingIndex`` just expects field names as space separated string, or as
iterable. A catalog factory using ``TingIndex`` looks like this.
::
>>> class TingCatalogFactory(object):
... implements(ICatalogFactory)
...
... def __call__(self):
... catalog = Catalog()
... catalog[u'ting'] = TingIndex(field_name=('foo', 'bar', 'baz'),
... field_callable=False)
... return catalog
Register this catalog factory as utility, we use ``tingsoup`` in this
example.
Query textindexng3 using soup.
::
>>> soup = getSoup(site, 'tingsoup')
>>> soup
<Soup at tingsoup>
Index some records.
::
>>> id = soup.add(Record(foo='foo', bar='bar', baz='baz'))
>>> id = soup.add(Record(foo='foobar', bar='barbaz', baz='bazfoo'))
>>> id = soup.add(Record(foo='aaa', bar='barrrr', baz='ccc'))
and query them.
::
>>> query = {
... 'query': u'bar::and(bar*)',
... 'search_all_fields': True,
... }
>>> [r.bar for r in soup.query(ting=query)]
['bar', 'barbaz', 'barrrr']
Contributors
============
* Robert Niederreiter <rnix@squarewave.at>
* Jens Klein <jens@bluedynamics.com>
* Sven Plage
Changes
=======
2.4.1.1
-------
- solve packaging problem
2012-10-11 - jensens
2.4.1
-----
- fixed bug in clear with request cache
2012-10-11 - jensens
- fixed strange bug in locator by removing superfluos check.
2012-10-11 - jensens
2.4
---
- Add GenericSetup profile and register soup-controlpanel as configlet.
Only configure if Products.CMFPlone is installed.
2011-01-12 - rnix
- Create browser package and move browser related stuff there.
2011-01-12 - rnix
- adopt documentation at some places.
2010-12-17 - rnix
- add some sorting tests.
2010-12-17 - rnix
2.3.2
-----
- return search result of txng wrapper as IFSet.
2010-12-17 - rnix
- only modify query of FieldIndex if not already tuple.
2010-12-17 - rnix
2.3.1
-----
- do not import ting interfaces to make cornerstone.soup work without
textindexng3.
2010-12-16 - rnix
2.3
---
- fixed move code if empty soup is moved.
2010-12-16 - rnix
- implemented clear function.
2010-12-16 - rnix
- add text index NG3 support.
2010-12-16 - rnix
2.2
---
- added mechanism to point soups to a path with an existing soup, so
mount points can be used from several sites. Also overhauled UI of
control panel and added more information what happens on mount or
move.
2010-11-16 - jensens
2.1
---
- added working move mechanism.
2010-09-09 - jensens, rnix
- added deepcopy support.
2010-09-09 - jensens
- added length support for SoupData using BTree's Length.
2010-09-08 - jensens
- overhauled control panel UI.
2010-09-08 - jensens
- fix query bug. only convert single value to 2-tuple when search key
refers to FieldIndex instance.
2010-07-20 - rnix
- consider ``sort_index``, ``limit`` and ``reverse`` as query
kwargs.
2010-07-20 - rnix
2.0
---
- change API.
2010-06-18 - rnix
- change storage strategy.
2010-06-18 - rnix
1.0
---
- complete tests.
2009-12-02 - rnix
- remove IIntIds and INameChooser dependencies.
2009-12-02 - rnix, jensens
1.0b2
-----
- change namechoosing of records. Use ``uuid.uuid4()``.
2009-10-01 - rnix
- add ``lazy`` function for querying huge results.
2009-10-01 - rnix
- yield query result instead of collect in a list.
2009-09-29 - rnix
1.0b1
-----
- initial work.
rnix, jensens
License
=======
Copyright (c) 2008-2010, BlueDynamics Alliance, Austria
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
* Neither the name of the BlueDynamics Alliance nor the names of its
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY BlueDynamics Alliance ``AS IS`` AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL BlueDynamics Alliance BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
نحوه نصب
نصب پکیج whl cornerstone.soup-2.4.1.1:
pip install cornerstone.soup-2.4.1.1.whl
نصب پکیج tar.gz cornerstone.soup-2.4.1.1:
pip install cornerstone.soup-2.4.1.1.tar.gz