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from typing import Iterable, Optional
import csv
from chocula.util import clean_str, clean_issn
from chocula.common import DirectoryLoader
from chocula.database import DirectoryInfo, HomepageUrl
class MagLoader(DirectoryLoader):
"""
TSV Columns (from schema docs):
1 JournalId long PRIMARY KEY
2 Rank uint See FAQ
3 NormalizedName string
4 DisplayName string
5 Issn string
6 Publisher string
7 Webpage string
8 PaperCount long
9 PaperFamilyCount long See FAQ
10 CitationCount long
11 CreatedDate DateTime
"""
source_slug = "mag"
def open_file(self) -> Iterable:
return csv.DictReader(
open(self.config.mag.filepath, "r"),
delimiter="\t",
fieldnames=[
"JournalId",
"Rank",
"NormalizedName",
"DisplayName",
"Issn",
"Publisher",
"Webpage",
"PaperCount",
"PaperFamilyCount",
"CitationCount",
"CreatedDate",
],
)
def parse_record(self, record) -> Optional[DirectoryInfo]:
info = DirectoryInfo(
directory_slug=self.source_slug,
raw_issn=clean_issn(record["Issn"]),
custom_id=record["JournalId"],
name=clean_str(record["DisplayName"]),
publisher=clean_str(record["Publisher"]),
)
homepage = HomepageUrl.from_url(record["Webpage"] or "")
if homepage:
info.homepage_urls.append(homepage)
return info
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