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from typing import Iterable, Optional
import json
from chocula.util import clean_str, clean_issn
from chocula.common import DirectoryLoader
from chocula.database import DirectoryInfo, HomepageUrl
class ScieloLoader(DirectoryLoader):
source_slug = "scielo"
def open_file(self) -> Iterable:
return open(self.config.scielo.filepath)
def parse_record(self, line) -> Optional[DirectoryInfo]:
record = json.loads(line)
extra = dict(
status=clean_str(record.get('current_status')),
first_year=record.get('first_year'),
collection=record.get('collection_acronym'),
)
for k in list(extra.keys()):
if extra[k] is None:
extra.pop(k)
country: Optional[str] = None
if record['publisher_country'] and len(record['publisher_country'][0]) == 2:
country = record['publisher_country'][0].lower()
info = DirectoryInfo(
directory_slug=self.source_slug,
issne=clean_issn(record.get('electronic_issn') or ''),
issnp=clean_issn(record.get('print_issn') or ''),
custom_id=clean_str(record.get('scielo_issn')),
name=clean_str(record.get('fulltitle')),
publisher=clean_str((record.get('publisher_name') or [''])[0]),
abbrev=clean_str(record['abbreviated_iso_title']),
platform='scielo',
langs=list(filter(lambda s: len(s) == 2, record['languages'])),
country=country,
extra=extra,
)
if record['url']:
homepage = HomepageUrl.from_url(record['url'])
if homepage:
info.homepage_urls.append(homepage)
return info
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