contained2pathadapter.py

### -*- coding: utf-8 -*- #############################################
#######################################################################
"""Product class for the Zope 3 based product package

$Id: product.py 12897 2007-11-10 15:32:08Z cray $
"""
__author__  = "Yegor Shershnev"
__license__ = "GPL"
__version__ = "$Revision: 12897 $"

from zope.interface import implements, implementedBy
from zope.app.container.interfaces import IContained
from interfaces import IPath
from zope.component import adapts
                
class Contained2PathAdapter(object) :

    implements(IPath)
    adapts(IContained)
    
    def __init__(self, ob) :
        self.context = ob

    @property
    def path(self) :
        ob = self.context
        lp = []
        while IContained.providedBy(ob) and IContained(ob).__parent__ :
            lp.append(IContained(ob).__name__)
            ob = IContained(ob).__parent__
        lp.reverse()
        return "/".join(lp)