ArchiveBox/archivebox/parsers/generic_json.py

86 lines
2.9 KiB
Python

__package__ = 'archivebox.parsers'
import json
from typing import IO, Iterable
from datetime import datetime, timezone
from ..index.schema import Link
from archivebox.misc.util import (
htmldecode,
enforce_types,
)
# This gets used by generic_jsonl, too
def jsonObjectToLink(link: str, source: str):
json_date = lambda s: datetime.strptime(s, '%Y-%m-%dT%H:%M:%S%z')
# example line
# {"href":"http:\/\/www.reddit.com\/r\/example","description":"title here","extended":"","meta":"18a973f09c9cc0608c116967b64e0419","hash":"910293f019c2f4bb1a749fb937ba58e3","time":"2014-06-14T15:51:42Z","shared":"no","toread":"no","tags":"reddit android"}]
# Parse URL
url = link.get('href') or link.get('url') or link.get('URL')
if not url:
raise Exception('JSON must contain URL in each entry [{"url": "http://...", ...}, ...]')
# Parse the timestamp
ts_str = str(datetime.now(timezone.utc).timestamp())
if link.get('timestamp'):
# chrome/ff histories use a very precise timestamp
ts_str = str(link['timestamp'] / 10000000)
elif link.get('time'):
ts_str = str(json_date(link['time'].split(',', 1)[0]).timestamp())
elif link.get('created_at'):
ts_str = str(json_date(link['created_at']).timestamp())
elif link.get('created'):
ts_str = str(json_date(link['created']).timestamp())
elif link.get('date'):
ts_str = str(json_date(link['date']).timestamp())
elif link.get('bookmarked'):
ts_str = str(json_date(link['bookmarked']).timestamp())
elif link.get('saved'):
ts_str = str(json_date(link['saved']).timestamp())
# Parse the title
title = None
if link.get('title'):
title = link['title'].strip()
elif link.get('description'):
title = link['description'].replace(' — Readability', '').strip()
elif link.get('name'):
title = link['name'].strip()
# if we have a list, join it with commas
tags = link.get('tags')
if type(tags) == list:
tags = ','.join(tags)
elif type(tags) == str:
# if there's no comma, assume it was space-separated
if ',' not in tags:
tags = tags.replace(' ', ',')
return Link(
url=htmldecode(url),
timestamp=ts_str,
title=htmldecode(title) or None,
tags=htmldecode(tags),
sources=[source],
)
@enforce_types
def parse_generic_json_export(json_file: IO[str], **_kwargs) -> Iterable[Link]:
"""Parse JSON-format bookmarks export files (produced by pinboard.in/export/, or wallabag)"""
json_file.seek(0)
links = json.load(json_file)
if type(links) != list:
raise Exception('JSON parser expects list of objects, maybe this is JSONL?')
for link in links:
if link:
yield jsonObjectToLink(link, json_file.name)
KEY = 'json'
NAME = 'Generic JSON'
PARSER = parse_generic_json_export