def convert_article(article):
"""Convert article from KB format to AMCAT format.
Unused keys in AMCAT format are: section, byline, length, externalid, author, addressee, uuid
Args:
article: representation of one article as retrieved from Delpher API. Predicate: Identifier and date are
always set.
Returns:
An article in Amcat's representation. Postcondition: date, headline, text, and medium are always set.
"""
ocr = DelpherAPI.article_ocr(article['identifier'])
page = article.get('page', '')
return {
'date': datetime.strptime(article['date'], '%Y/%m/%d %H:%M:%S').isoformat(),
'headline': article.get('title', '%(ocr).30s...' % {'ocr': ocr}), # headline must not be empty
'medium': article.get('papertitle', 'ppn: {0}'.format(delpher.ppn)),
'text': ocr if len(ocr) > 0 else '<no text>',
'pagenr': int(page) if page.isdigit() else '',
'url': article.get('metadataKey', ''),
'metastring': json.dumps(article) # Just store all available information for potential later use.
}
