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registry.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2013, 2014 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 flask.ext.registry import PkgResourcesDirDiscoveryRegistry, \
ModuleAutoDiscoveryRegistry, RegistryProxy
from invenio.ext.registry import ModuleAutoDiscoverySubRegistry
from invenio.utils.datastructures import LazyDict
jsonext = lambda namespace: RegistryProxy(
namespace, ModuleAutoDiscoveryRegistry, namespace)
fields_proxy = lambda namespace: RegistryProxy(
namespace + '.fields', PkgResourcesDirDiscoveryRegistry, 'fields',
registry_namespace=jsonext(namespace))
def fields_definitions(namespace=None):
field_defs = list(fields_proxy('jsonext'))
if namespace is not None:
field_defs.extend(list(fields_proxy(namespace)))
return field_defs
models_proxy = lambda namespace: RegistryProxy(
namespace + '.models', PkgResourcesDirDiscoveryRegistry, 'models',
registry_namespace=jsonext(namespace))
def models_definitions(namespace=None):
models_defs = list(models_proxy('jsonext'))
if namespace is not None:
models_defs.extend(list(models_proxy(namespace)))
return models_defs
function_proxy = lambda namespace: RegistryProxy(
namespace + '.functions', ModuleAutoDiscoverySubRegistry, 'functions',
registry_namespace=jsonext(namespace))
def functions(namespace=None):
funcs = dict((module.__name__.split('.')[-1],
getattr(module, module.__name__.split('.')[-1]))
for module in function_proxy('jsonext'))
if namespace is not None:
funcs.update((module.__name__.split('.')[-1],
getattr(module, module.__name__.split('.')[-1]))
for module in function_proxy(namespace))
return funcs
parsers = RegistryProxy('jsonext.parsers', ModuleAutoDiscoverySubRegistry,
'parsers', registry_namespace=jsonext('jsonext'))
producers_proxy = RegistryProxy('jsonext.producers',
ModuleAutoDiscoverySubRegistry,
'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',
ModuleAutoDiscoverySubRegistry,
'readers', registry_namespace=jsonext('jsonext'))
readers = LazyDict(lambda: dict((module.reader.__master_format__,
module.reader)
for module in readers_proxy))
contexts_proxy = lambda namespace: RegistryProxy(
namespace + '.contexts', ModuleAutoDiscoverySubRegistry, 'contexts',
registry_namespace=jsonext(namespace))
def contexts(namespace=None):
contexts = dict((module.__name__.split('.')[-1],
getattr(module, 'context'))
for module in contexts_proxy('jsonext'))
if namespace is not None:
contexts.update((module.__name__.split('.')[-1],
getattr(module, 'context'))
for module in contexts_proxy(namespace))
return contexts

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