searxng/searx/engines/tokyotoshokan.py

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2016-03-26 18:49:57 +00:00
"""
Tokyo Toshokan (A BitTorrent Library for Japanese Media)
@website https://www.tokyotosho.info/
@provide-api no
@using-api no
@results HTML
@stable no (HTML can change)
@parse url, title, publishedDate, seed, leech,
filesize, magnetlink, content
"""
import re
from urllib import urlencode
from lxml import html
from searx.engines.xpath import extract_text
from datetime import datetime
from searx.engines.nyaa import int_or_zero, get_filesize_mul
# engine dependent config
categories = ['files', 'videos', 'music']
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
2016-07-11 13:29:47 +00:00
size_re = re.compile(r'Size:\s*([\d.]+)(TB|GB|MB|B)', re.IGNORECASE)
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# processing the results, two rows at a time
for i in xrange(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()
multiplier = get_filesize_mul(groups[1])
params['filesize'] = int(multiplier * float(groups[0]))
except Exception as e:
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 Exception as e:
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