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import csv
from typing import Iterable, Optional
from chocula.util import clean_str, clean_issn
from chocula.common import DirectoryLoader
from chocula.database import DirectoryInfo, HomepageUrl
class VanishedInactiveLoader(DirectoryLoader):
"""
Journal-level metadata from the "Vanished Journals" project. This is the
"inactive" dataset.
CSV headers:
- Title
- URL
- ISSN
- EISSN
"""
source_slug = "vanished_inactive"
def open_file(self) -> Iterable:
return csv.DictReader(open(self.config.vanished_inactive.filepath), delimiter=";")
def parse_record(self, record) -> Optional[DirectoryInfo]:
# HACK
if "\ufeffTitle" in record:
record["Title"] = record["\ufeffTitle"]
if not record["Title"]:
return None
info = DirectoryInfo(
directory_slug=self.source_slug,
raw_issn=clean_issn(record["ISSN"]),
issne=clean_issn(record["EISSN"]),
name=clean_str(record["Title"]),
)
homepage = HomepageUrl.from_url(record["URL"])
if homepage:
info.homepage_urls.append(homepage)
return info
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