Fix KBART export to prefer electronic ISSN in journal URLs

[Copilot]

KBART export was generating invalid URLs for journals that transitioned from print to electronic-only. The journal "Revista española de sanidad penitenciaria" in SciELO Spain now uses electronic ISSN 2013-6463 but the export still referenced the obsolete print ISSN 1575-0620 in URLs, resulting in 404s.

Changes

• export/kbart.py: Added _generate_journal_url() method that uses journal.any_issn(priority='electronic') instead of journal.scielo_issn
• export/kbart.py: Updated fmt_csv() to call new method instead of data.url().replace('sci_serial', 'sci_issues')
• tests/test_kbart.py: Added unit tests for URL generation logic

Technical Details

The original code relied on data.url() from xylose, which uses scielo_issn (v400 field) that may contain the print ISSN for legacy journals. The fix leverages xylose's existing any_issn() method with electronic priority:

def _generate_journal_url(self, journal, language='en'):
    issn = journal.any_issn(priority=u'electronic')
    if journal.scielo_domain and issn:
        return "http://{0}/scielo.php?script=sci_issues&pid={1}&lng={2}".format(
            journal.scielo_domain, issn, language
        )
    return ''

This ensures correct ISSN selection while maintaining backward compatibility—journals with only print ISSN continue to work as before.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Atualizar a URL do periódico "Revista española de sanidad penitenciaria" de SciELO Espanha no KBART</issue_title>
<issue_description>No KBART da coleção SciELO Espanha, a URL do periódico “Revista española de sanidad penitenciaria” utiliza o ISSN da versão impressa na URL. Porém o periódico deixou de usar o ISSN impresso e isso foi alterado na coleção SciELO Espanha, mas não reflete na URL informada no KBART, ocasionando erro de acesso à página dos periódicos nas bases de dados.

URL no KBART: http://scielo.isciii.es/scielo.php?nrm=iso&pid=1575-0620&lng=&script=sci_issues
URL válida: http://scielo.isciii.es/scielo.php?nrm=iso&pid=2013-6463&lng=&script=sci_issues</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Atualizar a URL do periódico "Revista española de sanidad penitenciaria" de SciELO Espanha no KBART #64

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