Add files via upload

Author: inspurer

news.py

@@ -0,0 +1,147 @@
+# -*- coding: utf-8 -*-
+# 作者:             inspurer(月小水长)
+# 创建时间:          2020/11/27 22:10
+# 运行环境           Python3.6+
+# github            https://github.com/inspurer
+# qq邮箱            [email protected]
+# 微信公众号         月小水长(ID: inspurer)
+# 文件备注信息       todo
+
+import requests
+
+from datetime import datetime, timedelta
+
+from lxml import etree
+
+import csv
+
+import os
+
+from time import sleep
+from random import randint
+
+
+def parseTime(unformatedTime):
+    if '分钟' in unformatedTime:
+        minute = unformatedTime[:unformatedTime.find('分钟')]
+        minute = timedelta(minutes=int(minute))
+        return (datetime.now() -
+                minute).strftime('%Y-%m-%d %H:%M')
+    elif '小时' in unformatedTime:
+        hour = unformatedTime[:unformatedTime.find('小时')]
+        hour = timedelta(hours=int(hour))
+        return (datetime.now() -
+                hour).strftime('%Y-%m-%d %H:%M')
+    else:
+        return unformatedTime
+
+
+def dealHtml(html):
+    results = html.xpath('//div[@class="result-op c-container xpath-log new-pmd"]')
+
+    saveData = []
+
+    for result in results:
+        title = result.xpath('.//h3/a')[0]
+        title = title.xpath('string(.)').strip()
+
+        summary = result.xpath('.//span[@class="c-font-normal c-color-text"]')[0]
+        summary = summary.xpath('string(.)').strip()
+
+        # ./ 是直接下级，.// 是直接/间接下级
+        infos = result.xpath('.//div[@class="news-source"]')[0]
+        source, dateTime = infos.xpath(".//span[last()-1]/text()")[0], \
+                           infos.xpath(".//span[last()]/text()")[0]
+
+        dateTime = parseTime(dateTime)
+
+        print('标题', title)
+        print('来源', source)
+        print('时间', dateTime)
+        print('概要', summary)
+        print('\n')
+
+        saveData.append({
+            'title': title,
+            'source': source,
+            'time': dateTime,
+            'summary': summary
+        })
+    with open(fileName, 'a+', encoding='utf-8-sig', newline='') as f:
+        writer = csv.writer(f)
+        for row in saveData:
+            writer.writerow([row['title'], row['source'], row['time'], row['summary']])
+
+
+headers = {
+    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36',
+    'Referer': 'https://www.baidu.com/s?rtt=1&bsst=1&cl=2&tn=news&word=%B0%D9%B6%C8%D0%C2%CE%C5&fr=zhidao'
+}
+
+url = 'https://www.baidu.com/s'
+
+params = {
+    'ie': 'utf-8',
+    'medium': 0,
+    # rtt=4 按时间排序 rtt=1 按焦点排序
+    'rtt': 1,
+    'bsst': 1,
+    'rsv_dl': 'news_t_sk',
+    'cl': 2,
+    'tn': 'news',
+    'rsv_bp': 1,
+    'oq': '',
+    'rsv_btype': 't',
+    'f': 8,
+}
+
+
+def doSpider(keyword, sortBy = 'focus'):
+    '''
+    :param keyword: 搜索关键词
+    :param sortBy: 排序规则，可选：focus(按焦点排序），time(按时间排序），默认 focus
+    :return:
+    '''
+    global fileName
+    fileName = '{}.csv'.format(keyword)
+
+    if not os.path.exists(fileName):
+        with open(fileName, 'w+', encoding='utf-8-sig', newline='') as f:
+            writer = csv.writer(f)
+            writer.writerow(['title', 'source', 'time', 'summary'])
+
+    params['wd'] = keyword
+    if sortBy == 'time':
+        params['rtt'] = 4
+
+    response = requests.get(url=url, params=params, headers=headers)
+
+    html = etree.HTML(response.text)
+
+    dealHtml(html)
+
+    total = html.xpath('//div[@id="header_top_bar"]/span/text()')[0]
+
+    total = total.replace(',', '')
+
+    total = int(total[7:-1])
+
+    pageNum = total // 10
+
+    for page in range(1, pageNum):
+        print('第 {} 页\n\n'.format(page))
+        headers['Referer'] = response.url
+        params['pn'] = page * 10
+
+        response = requests.get(url=url, headers=headers, params=params)
+
+        html = etree.HTML(response.text)
+
+        dealHtml(html)
+
+        sleep(randint(2, 4))
+    ...
+
+
+if __name__ == "__main__":
+    doSpider(keyword = '马保国', sortBy='focus')