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collective.beancounter-0.3.1
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مشاهده بیشترتوضیحات
package to display a fill-percentage for AT based content
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | collective.beancounter-0.3.1 |
| نام | collective.beancounter |
| نسخه کتابخانه | 0.3.1 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Stefan Eletzhofer |
| ایمیل نویسنده | stefan.eletzhofer@inquant.de |
| آدرس صفحه اصلی | https://svn.plone.org/svn/collective/collective.beancounter/trunk |
| آدرس اینترنتی | https://pypi.org/project/collective.beancounter/ |
| مجوز | GPL |
collective.beancounter
======================
:Author: $Author: seletz $
:Date: $Date: 2007-11-14 19:46:16 +0100 (Wed, 14 Nov 2007) $
:Revision: $Revision: 53844 $
Abstract
--------
This package scratches an itch of mine in providing a very simple viewlet
which displays the percentage a content is filled by an user.
setup stuff
------------
::
>>> class Mock(object):
... def __init__(self, **kw): self.__sict__.update(kw)
Blurb
-----
First we define an interface to be used to mark bean-countable content::
>>> from zope import interface
>>> class IBeanContable(interface.Interface):
... """ a content which is bean countable """
The counting itself is very simple and done by an adapter. We simply count
which fields in the **default** schemata are filled. We there count only
the writable fields. From that we calculate a percentage.
Lets define a interface for that functionality::
>>> class IBeanCounter(interface.Interface):
... percentage = interface.Attribute(u"The percentage filled")
Now lets create some content class to test our stuff::
>>> _ = self.folder.invokeFactory("Document", "doc")
>>> doc = self.folder.get(_)
Count the fields which are in the **default** schemata and are rewd/write::
>>> len([f for f in doc.Schema().fields() if f.schemata=="default" and f.mode =="rw"])
4
Ok, now how many of them are filled?::
>>> l = [f for f in doc.Schema().fields() if f.schemata=="default" and f.mode =="rw"]
>>> [f.getName() for f in l if f.get(doc)]
['id']
Ok, fair enough. Now lets do the opposite::
>>> [f.getName() for f in l if not f.get(doc)]
['title', 'description', 'text']
Ok, thats enough. Lets wrap it up.
Implementation
--------------
We have an adapter::
>>> from collective.beancounter.adapter import ATBeanCounter
>>> ct = ATBeanCounter(doc)
>>> print ct.percentage
25.0
Fill out completely::
>>> doc.update( title="muha", text="haha", description="desc")
>>> ct = ATBeanCounter(doc)
>>> print ct.percentage
100.0
Yay.
Field filter
------------
You may provide an adapter to specify a filter to decide which
fields you consider to be "countable"::
>>> from collective.beancounter.interfaces import IBeanCounterFieldFilter
We provide adefault adapter for AT objects::
>>> from collective.beancounter.adapter import ATFieldFilter
That adapter provides a filter which filters out fields which:
- are not user settable
- are not in the "default" schemata
- are not in the special plone field blacklist
- are not boolean fields (these are true or false, i.e. always "filled")
::
>>> IBeanCounterFieldFilter(doc)
<collective.beancounter.adapter.ATFieldFilter object at ...>
Lets test that::
>>> from collective.beancounter.adapter import countable_fields
>>> sorted([f.getName() for f in countable_fields(doc)])
['description', 'id', 'text', 'title']
Ok, that filters nothing, which is fine. Now lets provide an adapter
which does filter out the "title","id" and "description" fields::
>>> from zope import component
>>> from Products.Archetypes.interfaces import IBaseObject
>>> class TestFilter(object):
... component.adapts(IBaseObject)
... interface.implements(IBeanCounterFieldFilter)
... def __init__(self,context): self.context = context
... def __call__(self, field):
... return field.getName() not in "title id description".split()
>>> component.provideAdapter(TestFilter)
We should now get our adapter::
>>> IBeanCounterFieldFilter(doc)
<TestFilter object at ...>
We should now get ALL fields but the ones we filtered out::
>>> set("title id description".split()) & set([f.getName() for f in countable_fields(doc)])
set([])
::
vim: set ft=rst tw=75 nocin nosi ai sw=4 ts=4 expandtab:
نحوه نصب
نصب پکیج whl collective.beancounter-0.3.1:
pip install collective.beancounter-0.3.1.whl
نصب پکیج tar.gz collective.beancounter-0.3.1:
pip install collective.beancounter-0.3.1.tar.gz