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"""
Nyaa.se (Anime Bittorrent tracker)
@website http://www.nyaa.se/
@provide-api no
@using-api no
@results HTML
@stable no (HTML can change)
@parse url, title, content, seed, leech, torrentfile
"""
from lxml import html
from searx.engines.xpath import extract_text
from searx.url_utils import urlencode
# engine dependent config
categories = ['files', 'images', 'videos', 'music']
paging = True
# search-url
base_url = 'http://www.nyaa.se/'
search_url = base_url + '?page=search&{query}&offset={offset}'
# xpath queries
xpath_results = '//table[@class="tlist"]//tr[contains(@class, "tlistrow")]'
xpath_category = './/td[@class="tlisticon"]/a'
xpath_title = './/td[@class="tlistname"]/a'
xpath_torrent_file = './/td[@class="tlistdownload"]/a'
xpath_filesize = './/td[@class="tlistsize"]/text()'
xpath_seeds = './/td[@class="tlistsn"]/text()'
xpath_leeches = './/td[@class="tlistln"]/text()'
xpath_downloads = './/td[@class="tlistdn"]/text()'
# convert a variable to integer or return 0 if it's not a number
def int_or_zero(num):
if isinstance(num, list):
if len(num) < 1:
return 0
num = num[0]
if num.isdigit():
return int(num)
return 0
# get multiplier to convert torrent size to bytes
def get_filesize_mul(suffix):
return {
'KB': 1024,
'MB': 1024 ** 2,
'GB': 1024 ** 3,
'TB': 1024 ** 4,
'KIB': 1024,
'MIB': 1024 ** 2,
'GIB': 1024 ** 3,
'TIB': 1024 ** 4
}[str(suffix).upper()]
# do search-request
def request(query, params):
query = urlencode({'term': query})
params['url'] = search_url.format(query=query, offset=params['pageno'])
return params
# get response from search-request
def response(resp):
results = []
dom = html.fromstring(resp.text)
for result in dom.xpath(xpath_results):
# category in which our torrent belongs
category = result.xpath(xpath_category)[0].attrib.get('title')
# torrent title
page_a = result.xpath(xpath_title)[0]
title = extract_text(page_a)
# link to the page
href = page_a.attrib.get('href')
# link to the torrent file
torrent_link = result.xpath(xpath_torrent_file)[0].attrib.get('href')
# torrent size
try:
file_size, suffix = result.xpath(xpath_filesize)[0].split(' ')
file_size = int(float(file_size) * get_filesize_mul(suffix))
except:
file_size = None
# seed count
seed = int_or_zero(result.xpath(xpath_seeds))
# leech count
leech = int_or_zero(result.xpath(xpath_leeches))
# torrent downloads count
downloads = int_or_zero(result.xpath(xpath_downloads))
# content string contains all information not included into template
content = 'Category: "{category}". Downloaded {downloads} times.'
content = content.format(category=category, downloads=downloads)
results.append({'url': href,
'title': title,
'content': content,
'seed': seed,
'leech': leech,
'filesize': file_size,
'torrentfile': torrent_link,
'template': 'torrent.html'})
return results
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