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"""
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Tokyo Toshokan (A BitTorrent Library for Japanese Media)
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@website https://www.tokyotosho.info/
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@provide-api no
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@using-api no
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@results HTML
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@stable no (HTML can change)
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@parse url, title, publishedDate, seed, leech,
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filesize, magnetlink, content
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"""
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import re
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from urllib.parse import urlencode
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from lxml import html
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from searx.engines.xpath import extract_text
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from datetime import datetime
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from searx.utils import get_torrent_size, int_or_zero
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# engine dependent config
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categories = ['files', 'videos', 'music']
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paging = True
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# search-url
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base_url = 'https://www.tokyotosho.info/'
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search_url = base_url + 'search.php?{query}'
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# do search-request
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def request(query, params):
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query = urlencode({'page': params['pageno'], 'terms': query})
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params['url'] = search_url.format(query=query)
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return params
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# get response from search-request
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def response(resp):
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results = []
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dom = html.fromstring(resp.text)
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rows = dom.xpath('//table[@class="listing"]//tr[contains(@class, "category_0")]')
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# check if there are no results or page layout was changed so we cannot parse it
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# currently there are two rows for each result, so total count must be even
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if len(rows) == 0 or len(rows) % 2 != 0:
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return []
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# regular expression for parsing torrent size strings
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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
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for i in range(0, len(rows), 2):
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# parse the first row
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name_row = rows[i]
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links = name_row.xpath('./td[@class="desc-top"]/a')
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params = {
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'template': 'torrent.html',
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'url': links[-1].attrib.get('href'),
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'title': extract_text(links[-1])
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}
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# I have not yet seen any torrents without magnet links, but
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# it's better to be prepared to stumble upon one some day
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if len(links) == 2:
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magnet = links[0].attrib.get('href')
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if magnet.startswith('magnet'):
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# okay, we have a valid magnet link, let's add it to the result
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params['magnetlink'] = magnet
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# no more info in the first row, start parsing the second one
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info_row = rows[i + 1]
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desc = extract_text(info_row.xpath('./td[@class="desc-bot"]')[0])
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for item in desc.split('|'):
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item = item.strip()
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if item.startswith('Size:'):
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try:
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# ('1.228', 'GB')
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groups = size_re.match(item).groups()
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params['filesize'] = get_torrent_size(groups[0], groups[1])
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except:
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pass
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elif item.startswith('Date:'):
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try:
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# Date: 2016-02-21 21:44 UTC
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date = datetime.strptime(item, 'Date: %Y-%m-%d %H:%M UTC')
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params['publishedDate'] = date
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except:
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pass
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elif item.startswith('Comment:'):
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params['content'] = item
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stats = info_row.xpath('./td[@class="stats"]/span')
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# has the layout not changed yet?
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if len(stats) == 3:
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params['seed'] = int_or_zero(extract_text(stats[0]))
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params['leech'] = int_or_zero(extract_text(stats[1]))
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results.append(params)
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return results
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