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"""
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Nyaa.se (Anime Bittorrent tracker)
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@website http://www.nyaa.se/
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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, content, seed, leech, torrentfile
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"""
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from urllib 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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# engine dependent config
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categories = ['files', 'images', 'videos', 'music']
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paging = True
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# search-url
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base_url = 'http://www.nyaa.se/'
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search_url = base_url + '?page=search&{query}&offset={offset}'
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# xpath queries
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xpath_results = '//table[@class="tlist"]//tr[contains(@class, "tlistrow")]'
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xpath_category = './/td[@class="tlisticon"]/a'
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xpath_title = './/td[@class="tlistname"]/a'
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xpath_torrent_file = './/td[@class="tlistdownload"]/a'
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xpath_filesize = './/td[@class="tlistsize"]/text()'
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xpath_seeds = './/td[@class="tlistsn"]/text()'
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xpath_leeches = './/td[@class="tlistln"]/text()'
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xpath_downloads = './/td[@class="tlistdn"]/text()'
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# convert a variable to integer or return 0 if it's not a number
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def int_or_zero(num):
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if isinstance(num, list):
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if len(num) < 1:
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return 0
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num = num[0]
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if num.isdigit():
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return int(num)
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return 0
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# get multiplier to convert torrent size to bytes
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def get_filesize_mul(suffix):
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return {
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'KB': 1024,
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'MB': 1024 ** 2,
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'GB': 1024 ** 3,
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'TB': 1024 ** 4,
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'KIB': 1024,
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'MIB': 1024 ** 2,
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'GIB': 1024 ** 3,
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'TIB': 1024 ** 4
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}[str(suffix).upper()]
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# do search-request
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def request(query, params):
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query = urlencode({'term': query})
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params['url'] = search_url.format(query=query, offset=params['pageno'])
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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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for result in dom.xpath(xpath_results):
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# category in which our torrent belongs
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category = result.xpath(xpath_category)[0].attrib.get('title')
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# torrent title
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page_a = result.xpath(xpath_title)[0]
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title = extract_text(page_a)
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# link to the page
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href = page_a.attrib.get('href')
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# link to the torrent file
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torrent_link = result.xpath(xpath_torrent_file)[0].attrib.get('href')
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# torrent size
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try:
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file_size, suffix = result.xpath(xpath_filesize)[0].split(' ')
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file_size = int(float(file_size) * get_filesize_mul(suffix))
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except:
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file_size = None
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# seed count
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seed = int_or_zero(result.xpath(xpath_seeds))
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# leech count
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leech = int_or_zero(result.xpath(xpath_leeches))
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# torrent downloads count
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downloads = int_or_zero(result.xpath(xpath_downloads))
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# content string contains all information not included into template
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content = 'Category: "{category}". Downloaded {downloads} times.'
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content = content.format(category=category, downloads=downloads)
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results.append({'url': href,
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'title': title,
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'content': content,
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'seed': seed,
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'leech': leech,
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'filesize': file_size,
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'torrentfile': torrent_link,
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'template': 'torrent.html'})
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return results
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