中介网站数据

NO28/中介网站排名数据.py

+from queue import Queue
+import time
+import threading
+import requests
+from lxml import etree
+import random
+import re
+
+
+def get_headers():
+    uas = [
+        "Mozilla/5.0 (compatible; Baiduspider/2.0; +http://www.baidu.com/search/spider.html)",
+        "Mozilla/5.0 (compatible; Baiduspider-render/2.0; +http://www.baidu.com/search/spider.html)",
+        "Baiduspider-image+(+http://www.baidu.com/search/spider.htm)",
+        "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.81 YisouSpider/5.0 Safari/537.36",
+        "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
+        "Mozilla/5.0 (compatible; Googlebot-Image/1.0; +http://www.google.com/bot.html)",
+        "Sogou web spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
+        "Sogou News Spider/4.0(+http://www.sogou.com/docs/help/webmasters.htm#07)",
+        "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0);",
+        "Mozilla/5.0 (compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm)",
+        "Sosospider+(+http://help.soso.com/webspider.htm)",
+        "Mozilla/5.0 (compatible; Yahoo! Slurp China; http://misc.yahoo.com.cn/help.html)"
+    ]
+    ua = random.choice(uas)
+    headers = {
+        "user-agent": ua
+    }
+    return headers
+
+
+def get_total_page():
+    res = requests.get(
+        'https://www.zhongjie.com/top/rank_all_1.html', headers=get_headers(), timeout=5)
+    element = etree.HTML(res.text)
+    last_page = element.xpath("//a[@class='weiye']/@href")[0]
+    pattern = re.compile('(\d+)')
+    page = pattern.search(last_page)
+    return int(page.group(1))
+
+
+# 生产者
+def producer():
+    while True:
+        # 取一个分类ID
+        url = urls.get()
+        urls.task_done()
+        if url is None:
+            break
+
+        res = requests.get(url=url, headers=get_headers(), timeout=5)
+        text = res.text
+        element = etree.HTML(text)
+        links = element.xpath('//a[@class="copyright_title"]/@href')
+        for i in links:
+            wait_list_urls.put("https://www.zhongjie.com" + i)
+
+
+# 消费者
+
+
+def consumer():
+    while True:
+        url = wait_list_urls.get()
+        wait_list_urls.task_done()
+        if url is None:
+            break
+
+        res = requests.get(url=url, headers=get_headers(), timeout=5)
+        text = res.text
+        element = etree.HTML(text)
+
+        title = element.xpath('//div[@class="info-head-l"]/h1/text()')
+        link = element.xpath('//div[@class="info-head-l"]/p[1]/a/text()')
+        description = element.xpath('//div[@class="info-head-l"]/p[2]/text()')
+        print(title, link, description)
+
+
+if __name__ == "__main__":
+
+    # 初始化一个队列
+    urls = Queue(maxsize=0)
+    last_page = get_total_page()
+    for p in range(1, last_page + 1):
+        urls.put(f"https://www.zhongjie.com/top/rank_all_{p}.html")
+
+    wait_list_urls = Queue(maxsize=0)
+    # 开启2个生产者线程
+    for p_in in range(1, 3):
+        p = threading.Thread(target=producer)
+        p.start()
+
+    # 开启2个消费者线程
+    for p_in in range(1, 2):
+        p = threading.Thread(target=consumer)
+        p.start()