d45477df93
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2520 fd906abe-77d9-0310-91a1-e0d9ade77398
75 lines
2.4 KiB
Python
75 lines
2.4 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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Interfaces for the 'meta' package.
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$Id$
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"""
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from zope.interface import Interface, Attribute
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class IOptions(Interface):
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""" Provide a set of options (settings, configuration options,
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preferences) based on a given context object or loaded from
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a file.
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"""
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def __call__(key):
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""" Return the value belonging to the key given. The key may be a
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dotted name - it will be splitted on dots and attributes
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will be looked up in turn on the resulting objects.
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Return None if no corresponding setting can be found.
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The method may also provide some fallback mechanism when
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the element is not defined in the current object.
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"""
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def __getitem__(key):
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""" Return the value belonging to the key given. The key
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must not contain dots.
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"""
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def __getattr__(key):
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""" Return the value belonging to the key given.
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"""
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def __str__():
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""" Return a string representation that shows all settings.
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"""
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class IConfigurator(Interface):
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""" Adapter for an IOptions object that allows loading and saving
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of configuration settings.
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"""
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def load(text=None, file=None):
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""" Load settings from the string or the file given.
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The ``file`` argument may be a string - that will be interpreted
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as a file name or path - or a file object
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"""
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def dump(file=None):
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""" Return a string representation of the context's configuration
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settings; if ``file`` is given write the representation to
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the corresponding file object.
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"""
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