Source code for inspirehep.modules.records.serializers.schemas.json.literature.common.external_system_identifier
# -*- coding: utf-8 -*-
#
# This file is part of INSPIRE.
# Copyright (C) 2014-2018 CERN.
#
# INSPIRE 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 3 of the License, or
# (at your option) any later version.
#
# INSPIRE is distributed in the hope that it will be useful,
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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from __future__ import absolute_import, division, print_function
from marshmallow import Schema, post_dump, fields, missing
[docs]class ExternalSystemIdentifierSchemaV1(Schema):
url_name = fields.Method('get_url_name')
url_link = fields.Method('get_url_link')
schema_to_url_name_map = {
'ads': 'ADS Abstract Service',
'cds': 'CERN Document Server',
'euclid': 'Project Euclid',
'hal': 'HAL Archives Ouvertes',
'kekscan': 'KEK scanned document',
'msnet': 'AMS MathSciNet',
'osti': 'OSTI Information Bridge Server',
'zblatt': 'zbMATH'
}
schema_to_url_link_prefix_map = {
'ads': 'http://adsabs.harvard.edu/abs/',
'cds': 'http://cds.cern.ch/record/',
'euclid': 'http://projecteuclid.org/',
'hal': 'https://hal.archives-ouvertes.fr/',
'kekscan': 'https://lib-extopc.kek.jp/preprints/PDF/',
'msnet': 'http://www.ams.org/mathscinet-getitem?mr=',
'osti': 'https://www.osti.gov/scitech/biblio/',
'zblatt': 'http://www.zentralblatt-math.org/zmath/en/search/?an='
}
[docs] def get_url_name(self, data):
schema = data.get('schema').lower()
url_name = self.schema_to_url_name_map.get(schema)
if url_name is None:
return missing
return url_name
[docs] def get_url_link(self, data):
schema = data.get('schema').lower()
value = data.get('value')
url_prefix = self.schema_to_url_link_prefix_map.get(schema)
if url_prefix is None:
return missing
if schema == 'kekscan':
kekscan_link = self.get_link_for_kekscan_schema(value)
if kekscan_link is None:
return missing
return kekscan_link
return '{}{}'.format(url_prefix, value)
[docs] def get_link_for_kekscan_schema(self, external_system_id_value):
extid = external_system_id_value.replace('-', '')
if len(extid) == 7 and not extid.startswith('19') and not extid.startswith('20'):
year = '19' + extid[:2]
elif len(extid) == 9:
year = extid[:4]
extid = extid[2:]
else:
return None
yymm = extid[:4]
kekscan_url_prefix = self.schema_to_url_link_prefix_map['kekscan']
return '{}{}/{}/{}.pdf'.format(kekscan_url_prefix, year, yymm, extid)
@post_dump(pass_many=True)
[docs] def filter(self, data, many):
if not many:
if self.is_missing_url_name_or_link(data):
return {}
return data
data = self.take_ids_that_have_all_fields(data)
data = self.take_first_id_foreach_url_name(data)
return data
[docs] def take_ids_that_have_all_fields(self, external_system_ids):
return [extid for extid in external_system_ids
if not self.is_missing_url_name_or_link(extid)]
[docs] def is_missing_url_name_or_link(self, external_system_id):
return external_system_id.get('url_link') is None \
or external_system_id.get('url_name') is None
[docs] def take_first_id_foreach_url_name(self, external_system_ids):
taken_url_names = set()
unique_ids = []
for external_system_id in external_system_ids:
url_name = external_system_id.get('url_name')
if url_name not in taken_url_names:
taken_url_names.add(url_name)
unique_ids.append(external_system_id)
return unique_ids
