d177cdc15b
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3818 fd906abe-77d9-0310-91a1-e0d9ade77398
92 lines
2.6 KiB
Python
92 lines
2.6 KiB
Python
#
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# Copyright (c) 2010 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Basic implementation of the elements used for the intermediate format for export
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and import of objects.
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$Id$
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"""
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import os
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from zope import component
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from zope.cachedescriptors.property import Lazy
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from zope.dottedname.resolve import resolve
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from zope.interface import Interface, implements
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from zope.traversing.api import getName, traverse
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from cybertools.composer.interfaces import IInstance
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from cybertools.composer.schema.interfaces import ISchemaFactory
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from cybertools.external.interfaces import IElement
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class Element(dict):
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implements(IElement)
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encoding = 'UTF-8'
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type = ''
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identifierName = ''
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object = None
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parent = None
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subElements = None
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parentType = ''
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order = 0
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@property
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def identifier(self):
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id = self.get(self.identifierName)
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return id
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def __getitem__(self, key):
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if isinstance(key, Element):
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key = (key,)
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if isinstance(key, tuple):
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for item in key:
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item.parent = self
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self.add(item)
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return key
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return super(Element, self).__getitem__(key)
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def processExport(self, extractor):
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pass
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def add(self, element):
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if self.subElements is None:
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self.subElements = []
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self.subElements.append(element)
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element.parent = self
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def setParent(self, elementsMapping, allElements=None):
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pt = self.parentType
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if pt:
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pCurr = elementsMapping.get(pt)
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if pCurr is not None:
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if allElements and pCurr.identifier:
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parent = allElements.get(pt, {}).get(pCurr.identifier)
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else:
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parent = pCurr
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if parent is not None:
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parent.add(self)
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def execute(self, loader):
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pass
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def __repr__(self):
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return '<%s: %s>' % (self.__class__.__name__, dict.__repr__(self))
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