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registry.py
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Mon, Oct 28, 20:09

registry.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2013 CERN.
##
## Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
from invenio.ext.registry import AutoDiscoverRegistry, AutoDiscoverSubRegistry, \
PkgResourcesDiscoverRegistry, RegistryProxy
from invenio.utils.datastructures import LazyDict
jsonext = lambda namespace: RegistryProxy(namespace, AutoDiscoverRegistry, namespace)
fields_definitions = lambda namespace: RegistryProxy(
namespace + '.fields', PkgResourcesDiscoverRegistry, 'fields',
registry_namespace=jsonext(namespace))
models_definitions = lambda namespace: RegistryProxy(
namespace + '.models', PkgResourcesDiscoverRegistry, 'models',
registry_namespace=jsonext(namespace))
function_proxy = lambda namespace: RegistryProxy(
namespace + '.functions', AutoDiscoverSubRegistry, 'functions',
registry_namespace=jsonext(namespace))
def functions(namespace):
funcs = dict((module.__name__.split('.')[-1],
getattr(module, module.__name__.split('.')[-1], ''))
for module in function_proxy('jsonext'))
funcs.update((module.__name__.split('.')[-1],
getattr(module, module.__name__.split('.')[-1], ''))
for module in function_proxy(namespace))
return funcs
parsers = RegistryProxy('jsonext.parsers', AutoDiscoverSubRegistry,
'parsers', registry_namespace=jsonext('jsonext'))
producers_proxy = RegistryProxy('jsonext.producers', AutoDiscoverSubRegistry,
'producers', registry_namespace=jsonext('jsonext'))
producers = LazyDict(lambda: dict((module.__name__.split('.')[-1], module.produce)
for module in producers_proxy))
readers_proxy = RegistryProxy('jsonext.readers', AutoDiscoverSubRegistry,
'readers', registry_namespace=jsonext('jsonext'))
readers = LazyDict(lambda: dict((module.reader.__master_format__, module.reader)
for module in readers_proxy))

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