Source code for invenio_pidstore.fetchers
# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2015-2018 CERN.
#
# Invenio is free software; you can redistribute it and/or modify it
# under the terms of the MIT License; see LICENSE file for more details.
"""Persistent identifier fetchers.
A proper fetcher is defined as a function that return a
:data:`invenio_pidstore.fetchers.FetchedPID` instance.
E.g.
.. code-block:: python
def my_fetcher(record_uuid, data):
return FetchedPID(
provider=MyRecordIdProvider,
pid_type=MyRecordIdProvider.pid_type,
pid_value=extract_pid_value(data),
)
To see more about providers see :mod:`invenio_pidstore.providers`.
"""
from __future__ import absolute_import, print_function
from collections import namedtuple
from flask import current_app
from .providers.recordid import RecordIdProvider
FetchedPID = namedtuple('FetchedPID', ['provider', 'pid_type', 'pid_value'])
"""A pid fetcher."""
[docs]def recid_fetcher(record_uuid, data):
"""Fetch a record's identifiers.
:param record_uuid: The record UUID.
:param data: The record metadata.
:returns: A :data:`invenio_pidstore.fetchers.FetchedPID` instance.
"""
pid_field = current_app.config['PIDSTORE_RECID_FIELD']
return FetchedPID(
provider=RecordIdProvider,
pid_type=RecordIdProvider.pid_type,
pid_value=str(data[pid_field]),
)