94 lines
3.2 KiB
Python
94 lines
3.2 KiB
Python
__package__ = 'archivebox.parsers'
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import json
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from typing import IO, Iterable
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from datetime import datetime, timezone
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from ..index.schema import Link
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from ..util import (
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htmldecode,
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enforce_types,
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)
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# This gets used by generic_jsonl, too
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def jsonObjectToLink(link: str, source: str):
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json_date = lambda s: datetime.strptime(s, '%Y-%m-%dT%H:%M:%S%z')
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# example line
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# {"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"}]
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# Parse URL
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url = link.get('href') or link.get('url') or link.get('URL')
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if not url:
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raise Exception('JSON must contain URL in each entry [{"url": "http://...", ...}, ...]')
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# Parse the timestamp
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ts_str = str(datetime.now(timezone.utc).timestamp())
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if link.get('timestamp'):
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# chrome/ff histories use a very precise timestamp
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ts_str = str(link['timestamp'] / 10000000)
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elif link.get('time'):
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ts_str = str(json_date(link['time'].split(',', 1)[0]).timestamp())
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elif link.get('created_at'):
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ts_str = str(json_date(link['created_at']).timestamp())
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elif link.get('created'):
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ts_str = str(json_date(link['created']).timestamp())
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elif link.get('date'):
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ts_str = str(json_date(link['date']).timestamp())
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elif link.get('bookmarked'):
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ts_str = str(json_date(link['bookmarked']).timestamp())
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elif link.get('saved'):
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ts_str = str(json_date(link['saved']).timestamp())
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# Parse the title
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title = None
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if link.get('title'):
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title = link['title'].strip()
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elif link.get('description'):
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title = link['description'].replace(' — Readability', '').strip()
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elif link.get('name'):
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title = link['name'].strip()
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# if we have a list, join it with commas
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tags = link.get('tags')
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if type(tags) == list:
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tags = ','.join(tags)
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elif type(tags) == str:
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# if there's no comma, assume it was space-separated
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if ',' not in tags:
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tags = tags.replace(' ', ',')
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return Link(
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url=htmldecode(url),
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timestamp=ts_str,
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title=htmldecode(title) or None,
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tags=htmldecode(tags),
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sources=[source],
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)
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@enforce_types
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def parse_generic_json_export(json_file: IO[str], **_kwargs) -> Iterable[Link]:
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"""Parse JSON-format bookmarks export files (produced by pinboard.in/export/, or wallabag)"""
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json_file.seek(0)
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try:
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links = json.load(json_file)
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if type(links) != list:
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raise Exception('JSON parser expects list of objects, maybe this is JSONL?')
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except json.decoder.JSONDecodeError:
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# sometimes the first line is a comment or other junk, so try without
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json_file.seek(0)
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first_line = json_file.readline()
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#print(' > Trying JSON parser without first line: "', first_line.strip(), '"', sep= '')
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links = json.load(json_file)
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# we may fail again, which means we really don't know what to do
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for link in links:
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if link:
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yield jsonObjectToLink(link,json_file.name)
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KEY = 'json'
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NAME = 'Generic JSON'
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PARSER = parse_generic_json_export
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