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Tue, Nov 19, 16:15

loader.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2012, 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.
import warnings
from invenio.base.utils import autodiscover_workflows
from invenio.utils.datastructures import LazyDict
from werkzeug.utils import import_string, find_modules
def plugin_builder(plugin):
if plugin.__name__.split('.')[-1] == '__init__':
return
all = getattr(plugin, '__all__', [])
for name in all:
return getattr(plugin, name)
def load_deposition_types(deposition_default):
"""
Create a dict with groups, names and deposition types
in order to render the deposition type chooser page
Used to load all the definitions of webdeposit workflow.
They must be defined in the deposition_types folder with
filname '*_metadata.py'. Also if you want to rename the workflow, you can
redefine the __all__ variable.
Example of definition:
__all__ = ['MyDeposition']
class MyDeposition(DepositionType):
# Define the list of functions you want to run for this workflow
workflow = [function1(), function2(), function3()]
# Define the name to be rendered for the deposition
dep_type = "My Deposition"
# Define the name in plural
plural = "My depositions"
# Define in which deposition group it will belong
group = "My Depositions Group"
# Enable the deposition
enabled = True
"""
deposition_types = {}
for package in autodiscover_workflows():
for module in find_modules(package.__name__, include_packages=True):
deposition_type = plugin_builder(import_string(module))
if deposition_type is None:
continue
if deposition_type and deposition_type.is_enabled():
deposition_types[deposition_type.__name__] = deposition_type
if deposition_type.is_default():
if deposition_default is not None:
warnings.warn(
"%s is overwriting already set default deposition %s." % (
deposition_type.__name__,
deposition_default.__name__
),
RuntimeWarning
)
deposition_default = deposition_type
return deposition_types
deposition_default = None
deposition_types = LazyDict(lambda: load_deposition_types(deposition_default))
__all__ = ['deposition_types', 'deposition_default']

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