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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
class CrossrefLoader(DirectoryLoader):
"""
CSV Columns:
#"JournalTitle","JournalID","Publisher","pissn","eissn","additionalIssns","doi","(year1)[volume1]issue1,issue2,issue3(year2)[volume2]issue4,issues5"
"""
source_slug = "crossref"
def open_file(self) -> Iterable:
return csv.DictReader(open(self.config.crossref.filepath))
def parse_record(self, record) -> Optional[DirectoryInfo]:
info = DirectoryInfo(
directory_slug=self.source_slug,
issne=record["eissn"],
issnp=record["pissn"],
custom_id=record.get("doi").strip() or None,
name=clean_str(record.get("JournalTitle")),
publisher=clean_str(record.get("Publisher")),
)
if record["additionalIssns"]:
info.raw_issn = record["additionalIssns"][0]
return info
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