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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 AwolLoader(DirectoryLoader):
"""
AWOL: Ancient World Online index
JSON keys:
"authors",
"contributors",
"description",
"domain",
"editors",
"end_date",
"extent",
"form",
"frequency",
"identifiers",
"is_part_of",
"issuance",
"issue",
"issued_dates",
"keywords",
"languages",
"places",
"provenance",
"publishers",
"related_resources",
"resource_key",
"responsibility",
"start_date",
"subordinate_resources",
"title",
"title_alternates",
"title_extended",
"type",
"url",
"url_alternates",
"volume",
"year",
"zenon_id",
"zotero_id"
"""
source_slug = "awol"
def open_file(self) -> Iterable:
return open(self.config.awol.filepath)
def parse_record(self, line) -> Optional[DirectoryInfo]:
record = json.loads(line)
issn_info = record.get("identifiers", {}).get("issn", {})
# sometimes is a list
for k in "generic", "electronic", "print":
if type(issn_info.get(k)) == list:
issn_info[k] = issn_info[k][0]
info = DirectoryInfo(
directory_slug=self.source_slug,
raw_issn=clean_issn(issn_info.get("generic", "")),
issne=clean_issn(issn_info.get("electronic", "")),
issnp=clean_issn(issn_info.get("print", "")),
name=clean_str(record.get("title")),
langs=list(filter(lambda s: len(s) == 2, record["languages"])),
)
if record["url"]:
homepage = HomepageUrl.from_url(record["url"])
if homepage:
info.homepage_urls.append(homepage)
return info
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