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from typing import Iterable, Optional
import csv
from chocula.util import clean_str
from chocula.common import DirectoryLoader
from chocula.database import DirectoryInfo, HomepageUrl
class WikidataLoader(DirectoryLoader):
"""
CSV Columns:
"""
source_slug = "wikidata"
def open_file(self) -> Iterable:
return csv.DictReader(open(self.config.wikidata.filepath), delimiter='\t')
def parse_record(self, row) -> Optional[DirectoryInfo]:
if not (row.get('issn') and row.get('title')):
return None
wikidata_qid = row['item'].strip().split('/')[-1]
publisher = row['publisher_name']
if (publisher.startswith('Q') and publisher[1].isdigit()) or publisher.startswith('t1') or not publisher:
publisher = None
info =DirectoryInfo(
directory_slug=self.source_slug,
raw_issn=row['issn'],
custom_id=wikidata_qid,
name=clean_str(row['title']),
publisher=clean_str(publisher),
)
if row.get('start_year'):
info.extra['start_year'] = row['start_year']
url = HomepageUrl.from_url(row.get('websiteurl'))
if url:
info.homepage_urls.append(url)
return info
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