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searxng/searx/engines/tokyotoshokan.py
2021-05-29 16:14:19 +02:00

102 lines
3.3 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-or-later
"""
Tokyo Toshokan (A BitTorrent Library for Japanese Media)
"""
import re
from urllib.parse import urlencode
from lxml import html
from datetime import datetime
from searx.utils import extract_text, get_torrent_size, int_or_zero
# about
about = {
"website": 'https://www.tokyotosho.info/',
"wikidata_id": None,
"official_api_documentation": None,
"use_official_api": False,
"require_api_key": False,
"results": 'HTML',
}
# engine dependent config
categories = ['files']
paging = True
# search-url
base_url = 'https://www.tokyotosho.info/'
search_url = base_url + 'search.php?{query}'
# do search-request
def request(query, params):
query = urlencode({'page': params['pageno'], 'terms': query})
params['url'] = search_url.format(query=query)
return params
# get response from search-request
def response(resp):
results = []
dom = html.fromstring(resp.text)
rows = dom.xpath('//table[@class="listing"]//tr[contains(@class, "category_0")]')
# check if there are no results or page layout was changed so we cannot parse it
# currently there are two rows for each result, so total count must be even
if len(rows) == 0 or len(rows) % 2 != 0:
return []
# regular expression for parsing torrent size strings
size_re = re.compile(r'Size:\s*([\d.]+)(TB|GB|MB|B)', re.IGNORECASE)
# processing the results, two rows at a time
for i in range(0, len(rows), 2):
# parse the first row
name_row = rows[i]
links = name_row.xpath('./td[@class="desc-top"]/a')
params = {
'template': 'torrent.html',
'url': links[-1].attrib.get('href'),
'title': extract_text(links[-1])
}
# I have not yet seen any torrents without magnet links, but
# it's better to be prepared to stumble upon one some day
if len(links) == 2:
magnet = links[0].attrib.get('href')
if magnet.startswith('magnet'):
# okay, we have a valid magnet link, let's add it to the result
params['magnetlink'] = magnet
# no more info in the first row, start parsing the second one
info_row = rows[i + 1]
desc = extract_text(info_row.xpath('./td[@class="desc-bot"]')[0])
for item in desc.split('|'):
item = item.strip()
if item.startswith('Size:'):
try:
# ('1.228', 'GB')
groups = size_re.match(item).groups()
params['filesize'] = get_torrent_size(groups[0], groups[1])
except:
pass
elif item.startswith('Date:'):
try:
# Date: 2016-02-21 21:44 UTC
date = datetime.strptime(item, 'Date: %Y-%m-%d %H:%M UTC')
params['publishedDate'] = date
except:
pass
elif item.startswith('Comment:'):
params['content'] = item
stats = info_row.xpath('./td[@class="stats"]/span')
# has the layout not changed yet?
if len(stats) == 3:
params['seed'] = int_or_zero(extract_text(stats[0]))
params['leech'] = int_or_zero(extract_text(stats[1]))
results.append(params)
return results