8f7a0bbf0c
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@3913 fd906abe-77d9-0310-91a1-e0d9ade77398
134 lines
3.9 KiB
Python
134 lines
3.9 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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Adapters and others classes for analyzing resources.
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$Id$
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"""
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import os
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from zope.cachedescriptors.property import Lazy
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from zope import component
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from zope.component import adapts
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from zope.traversing.api import getName, getParent
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from cybertools.meta.config import Options
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from cybertools.meta.config import GlobalOptions as BaseGlobalOptions
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from cybertools.meta.interfaces import IOptions
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from cybertools.meta.namespace import Executor, ExecutionError
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from cybertools.typology.interfaces import IType
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from loops.interfaces import ILoops, ILoopsObject, ITypeConcept, IPredicate
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#from loops.query import IQueryConcept
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from loops.expert.concept import IQueryConcept
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from loops import util
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class GlobalOptions(BaseGlobalOptions):
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@Lazy
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def _filename(self):
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return os.path.join(util.getEtcDirectory(), 'loops.cfg')
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class LoopsOptions(Options):
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adapts(ILoopsObject)
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builtins = Options.builtins + ('True', 'False')
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True, False = True, False
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_initialized = False
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def __init__(self, context, *args, **kw):
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self.context = context
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super(LoopsOptions, self).__init__(*args, **kw)
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#self.loadContextOptions()
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def __getitem__(self, key):
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if not self._initialized:
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self._initialized = True
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self.loadContextOptions()
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return super(LoopsOptions, self).__getitem__(key)
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def __call__(self, key, default=None):
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value = super(LoopsOptions, self).__call__(key)
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if value is None:
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value = component.getUtility(IOptions)(key, default)
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return value
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def parseContextOptions(self):
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def result():
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options = getattr(self.context, 'options', [])
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for opt in options:
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parts = opt.split(':', 1)
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key = parts[0].strip()
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if len(parts) == 1:
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value = 'True'
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else:
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value = repr([p.strip() for p in parts[1].split(',')])
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yield '='.join((key, value))
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return '\n'.join(result())
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def loadContextOptions(self):
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code = self.parseContextOptions()
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rc = Executor(self).execute(code)
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if rc:
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raise ExecutionError('\n' + rc)
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def set(self, key, value):
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options = getattr(self.context, 'options', [])
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new_opt = []
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found = False
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def createItem(k, v):
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if v is True:
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return k
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if isinstance(v, (list, tuple)):
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v = ','.join(v)
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return '%s:%s' % (k, v)
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for item in options:
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parts = item.split(':', 1)
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if parts[0] == key:
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found = True
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if not value:
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continue
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item = createItem(key, value)
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new_opt.append(item)
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if not found:
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new_opt.append(createItem(key, value))
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self.context.options = new_opt
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class TypeOptions(LoopsOptions):
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adapts(ITypeConcept)
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class QueryOptions(LoopsOptions):
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adapts(IQueryConcept)
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class PredicateOptions(LoopsOptions):
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adapts(IPredicate)
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class DummyOptions(Options):
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def __getitem__(self, key):
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return []
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