python爬取某站磁力链

import requests
from lxml import etree
import re
from concurrent.futures import ThreadPoolExecutor


def get_mlink(url, headers):
    """输入某影片磁力链所在的网页，返回该网页中的磁力链"""
    r = requests.get(url, headers=headers)
    select = etree.HTML(r.text)
    try:
        magnetlink = select.xpath(‘//textarea[@id="magnetLink"]//text()‘)
        return magnetlink[0]
    except AttributeError:
        return None


def get_page_mlinks(url, headers):
    """输入某一页搜索结果，返回该网页中所有的元组（url, 影片大小，时间，磁力链）"""
    r = requests.get(url, headers=headers)
    select = etree.HTML(r.text)
    div_rows = select.xpath(‘//div[@class="row"]‘)

    def get_each(se):
        size = se.xpath(‘.//div[@class="col-sm-2 col-lg-1 hidden-xs text-right size"]//text()‘)
        date = se.xpath(‘.//div[@class="col-sm-2 col-lg-2 hidden-xs text-right date"]//text()‘)
        href = se.xpath(‘.//a/@href‘)
        try:
            return href[0], size[0], date[0], get_mlink(href[0], headers)
        except IndexError:
            pass

    with ThreadPoolExecutor() as executor:  # 并发执行爬取单个网页中所有的磁力链
        res = executor.map(get_each, div_rows)

    return res


def get_urls(baseurl, headers, suffix=None):
    """输入搜索网页，递归获取所有页的搜索结果"""
    if suffix:
        url = baseurl + suffix
    else:
        url = baseurl

    r = requests.get(url, headers=headers)
    select = etree.HTML(r.text)
    page_suffixes = select.xpath(‘//ul[@class="pagination pagination-lg"]‘
                                 ‘//li//a[@name="numbar"]/@href‘)

    # 有时该站会返回/search/.../search/...search/.../page，需要处理下
    p = r‘/search/[^/]+/page/\d+(?=\D|$)‘
    page_suffixes = [re.search(p, i).group() for i in page_suffixes]

    # 如果还有下一页，需要进一步递归查询获取
    r = requests.get(url + page_suffixes[-1], headers=headers)
    select = etree.HTML(r.text)
    next_page = select.xpath(‘//ul[@class="pagination pagination-lg"]‘
                             ‘//li//a[@name="nextpage"]/@href‘)
    if next_page:
        page_suffixes = page_suffixes + get_urls(baseurl, headers, next_page[0])

    return page_suffixes


if __name__ == ‘__main__‘:
    keyword = "金刚狼3"
    baseurl = ‘https://*网站url*/search/{}‘.format(keyword)  # 该站是采用get方式提交搜索关键词
    headers = {"Accept-Language": "en-US,en;q=0.8,zh-TW;q=0.6,zh;q=0.4"}

    urls = get_urls(baseurl, headers)
    new_urls = list(set(urls))
    new_urls.sort(key=urls.index)
    new_urls = [baseurl + i for i in new_urls]

    with ThreadPoolExecutor() as executor:
        res = executor.map(get_page_mlinks, new_urls, [headers for i in range(7)])

    for r in res:
        for i in r:
            print(i)

import requests
from lxml import etree
from concurrent.futures import ThreadPoolExecutor


def get_mlink(url, headers):
    """输入某影片磁力链所在的网页，返回该网页中的磁力链"""
    r = requests.get(url, headers=headers)
    select = etree.HTML(r.text)
    try:
        magnetlink = select.xpath(‘//textarea[@id="magnetLink"]//text()‘)
        return magnetlink[0]
    except AttributeError:
        return None


def get_page_mlinks(url, headers):
    """输入某一页搜索结果，返回该网页中所有的元组（url, 影片大小，时间，磁力链）"""
    r = requests.get(url, headers=headers)
    select = etree.HTML(r.text)
    div_rows = select.xpath(‘//div[@class="row"]‘)

    def get_each(se):
        size = se.xpath(‘.//div[@class="col-sm-2 col-lg-1 hidden-xs text-right size"]//text()‘)
        date = se.xpath(‘.//div[@class="col-sm-2 col-lg-2 hidden-xs text-right date"]//text()‘)
        href = se.xpath(‘.//a/@href‘)
        try:
            return href[0], size[0], date[0], get_mlink(href[0], headers)
        except IndexError:
            pass

    with ThreadPoolExecutor() as executor:  # 并发执行爬取单个网页中所有的磁力链
        res = executor.map(get_each, div_rows)

    return res


if __name__ == ‘__main__‘:
    keyword = input(‘请输入查找关键词>> ‘)
    page = input(‘请输入查找页>> ‘)

    url = ‘https://btsow.pw/search/{}/page/{}‘.format(keyword, page)
    headers = {"Accept-Language": "en-US,en;q=0.8,zh-TW;q=0.6,zh;q=0.4"}

    r = get_page_mlinks(url, headers)
    for i in r:
        print(i)