5271981119
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@2388 fd906abe-77d9-0310-91a1-e0d9ade77398
107 lines
3 KiB
Python
107 lines
3 KiB
Python
#
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# Copyright (c) 2008 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 loops objects.
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$Id$
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"""
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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 implements
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from zope.traversing.api import getName
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from loops.external.interfaces import IElement
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class Element(dict):
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implements(IElement)
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elementType = ''
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def __init__(self, name, title, type=None, *args, **kw):
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self['name'] = name
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self['title'] = title
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if type:
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self['type'] = type
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for k, v in kw.items():
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self[k] = v
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def __call__(self, loader):
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pass
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class ConceptElement(Element):
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elementType = 'concept'
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posArgs = ('name', 'title', 'type')
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def __call__(self, loader):
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type = loader.concepts[self['type']]
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kw = dict((k, v) for k, v in self.items()
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if k not in ('name', 'title', 'type'))
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loader.addConcept(self['name'], self['title'], type, **kw)
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class TypeElement(ConceptElement):
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elementType = 'type'
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posArgs = ('name', 'title')
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def __init__(self, name, title, *args, **kw):
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super(TypeElement, self).__init__(name, title, *args, **kw)
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ti = self['typeInterface']
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if ti:
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self['typeInterface'] = '.'.join((ti.__module__, ti.__name__))
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else:
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del self['typeInterface']
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def __call__(self, loader):
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kw = dict((k, v) for k, v in self.items()
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if k not in ('name', 'title', 'type', 'typeInterface'))
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kw['typeInterface'] = resolve(self['typeInterface'])
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loader.addConcept(self['name'], self['title'], 'type', **kw)
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class ResourceElement(ConceptElement):
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elementType = 'resource'
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class ChildElement(Element):
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elementType = 'child'
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posArgs = ('first', 'second', 'predicate', 'order', 'relevance')
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def __init__(self, *args):
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for idx, arg in enumerate(args):
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self[self.posArgs[idx]] = arg
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def __call__(self, loader):
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loader.assignChild(self['first'], self['second'], self['predicate'])
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elementTypes = dict(
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type=TypeElement,
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concept=ConceptElement,
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resource=ResourceElement,
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child=ChildElement,
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)
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