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archivebox/parse.py
2017-10-18 17:39:09 -05:00

142 lines
4.9 KiB
Python

import re
import json
from datetime import datetime
from util import (
domain,
base_url,
get_str_between,
get_link_type,
)
def parse_export(path):
"""parse a list of links dictionaries from a bookmark export file"""
links = []
with open(path, 'r', encoding='utf-8') as file:
for service, parser_func in get_parsers().items():
# otherwise try all parsers until one works
try:
links += list(parser_func(file))
if links:
break
except Exception as e:
pass
return links
def get_parsers():
return {
'pocket': parse_pocket_export,
'pinboard': parse_json_export,
'bookmarks': parse_bookmarks_export,
'rss': parse_rss_export,
}
def parse_pocket_export(html_file):
"""Parse Pocket-format bookmarks export files (produced by getpocket.com/export/)"""
html_file.seek(0)
pattern = re.compile("^\\s*<li><a href=\"(.+)\" time_added=\"(\\d+)\" tags=\"(.*)\">(.+)</a></li>", re.UNICODE) # see sample input in ./example_ril_export.html
for line in html_file:
match = pattern.search(line)
if match:
fixed_url = match.group(1).replace('http://www.readability.com/read?url=', '') # remove old readability prefixes to get original url
time = datetime.fromtimestamp(float(match.group(2)))
info = {
'url': fixed_url,
'domain': domain(fixed_url),
'base_url': base_url(fixed_url),
'timestamp': str(time.timestamp()),
'tags': match.group(3),
'title': match.group(4).replace(' — Readability', '').replace('http://www.readability.com/read?url=', '') or base_url(fixed_url),
'sources': [html_file.name],
}
info['type'] = get_link_type(info)
yield info
def parse_json_export(json_file):
"""Parse JSON-format bookmarks export files (produced by pinboard.in/export/)"""
json_file.seek(0)
json_content = json.load(json_file)
for line in json_content:
if line:
erg = line
time = datetime.strptime(erg['time'].split(',', 1)[0], '%Y-%m-%dT%H:%M:%SZ')
info = {
'url': erg['href'],
'domain': domain(erg['href']),
'base_url': base_url(erg['href']),
'timestamp': str(time.timestamp()),
'tags': erg['tags'],
'title': erg['description'].replace(' — Readability', ''),
'sources': [json_file.name],
}
info['type'] = get_link_type(info)
yield info
def parse_rss_export(rss_file):
"""Parse RSS XML-format files into links"""
rss_file.seek(0)
items = rss_file.read().split('</item>\n<item>')
for item in items:
# example item:
# <item>
# <title><![CDATA[How JavaScript works: inside the V8 engine]]></title>
# <category>Unread</category>
# <link>https://blog.sessionstack.com/how-javascript-works-inside</link>
# <guid>https://blog.sessionstack.com/how-javascript-works-inside</guid>
# <pubDate>Mon, 21 Aug 2017 14:21:58 -0500</pubDate>
# </item>
trailing_removed = item.split('</item>', 1)[0]
leading_removed = trailing_removed.split('<item>', 1)[-1]
rows = leading_removed.split('\n')
row = lambda key: [r for r in rows if r.startswith('<{}>'.format(key))][0]
title = get_str_between(row('title'), '<![CDATA[', ']]')
url = get_str_between(row('link'), '<link>', '</link>')
ts_str = get_str_between(row('pubDate'), '<pubDate>', '</pubDate>')
time = datetime.strptime(ts_str, "%a, %d %b %Y %H:%M:%S %z")
info = {
'url': url,
'domain': domain(url),
'base_url': base_url(url),
'timestamp': str(time.timestamp()),
'tags': '',
'title': title,
'sources': [rss_file.name],
}
info['type'] = get_link_type(info)
# import ipdb; ipdb.set_trace()
yield info
def parse_bookmarks_export(html_file):
"""Parse netscape-format bookmarks export files (produced by all browsers)"""
html_file.seek(0)
pattern = re.compile("<a href=\"(.+?)\" add_date=\"(\\d+)\"[^>]*>(.+)</a>", re.UNICODE | re.IGNORECASE)
for line in html_file:
match = pattern.search(line)
if match:
url = match.group(1)
time = datetime.fromtimestamp(float(match.group(2)))
info = {
'url': url,
'domain': domain(url),
'base_url': base_url(url),
'timestamp': str(time.timestamp()),
'tags': "",
'title': match.group(3),
'sources': [html_file.name],
}
info['type'] = get_link_type(info)
yield info