proxyHost='t.16yun.cn'proxyPort=30001deffetch_url(url):proxies={'http':f'http://{proxyHost}:{proxyPort}','https':f'http://{proxyHost}:{proxyPort}'}try:response=requests.get(url,proxies=proxies,timeout=10)print(f"Response from {url}: {response.text}")except requests.exceptions.Reque...
首先需要建立两个文件夹,A和C,C文件夹里面创建一个文件,B.txt,在A和C所在文件夹中建立urlsA.txt和urlsC.txt文件。 里面在urlsA.txt中写入:http://localhost:4243,然后开启两个命令行,第一个输入:python client.py urlsA.txt A http://localhost:4242 回车,是不是出来提示符了。输入fetch B.txt回车,看到...
importrequestsfrombs4importBeautifulSoup# 定义获取URL的函数deffetch_urls_from_site(url):try:# 发送HTTP GET请求response=requests.get(url)# 确认请求成功response.raise_for_status()# 解析HTML文档soup=BeautifulSoup(response.text,'html.parser')# 查找所有的标签links=soup.find_all('a')# 提取所有链接extr...
>>>导入trafilatura>>>下载=trafilatura。fetch_url('https://github.blog/2019-03-29-leader-spotlight-erin-spiceland/')>>>trafilatura。extract(downloaded)# 将主要内容和评论输出为纯文本...>>>trafilatura.extract(downloaded,xml_output=True,include_comments=False)# 输出没有注释的主要内容为 XML ....
安装一些插件,遇到报错 Could not fetch URL https://pypi.org/simple/pytest-pycodestyle/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pytest-pycodestyle/ (Caused by SSLError(SSLCertVerificationError(...
import requestsimport jsondef fetch_github_user(username):url = f'https://api.github.com/users/{username}'response = requests.get(url)if response.status_code == 200:return response.json()else:response.raise_for_status()def save_to_file(data, filename):with open(filename, 'w') as file...
can_fetch(useragent, url) - 如果允许 useragent 按照被解析 robots.txt 文件中的规则来获取 url 则返回 True。 mtime() -返回最近一次获取 robots.txt 文件的时间。这适用于需要定期检查 robots.txt 文件更新情况的长时间运行的网页爬虫。 modified() - 将最近一次获取 robots.txt 文件的时间设置为当前时间。
cursor() # 执行SQL查询语句 sql = "SELECT url FROM table_name" cursor.execute(sql) # 获取查询结果 results = cursor.fetchall() 1. 2. 3. 4. 5. 6. 7. 8. 9. 步骤3:下载图片 在这个步骤中,你需要使用Python的requests模块来下载图片。遍历查询结果中的URL,并使用requests.get()方法下载图片...
chrome_version, 'Safari/537.36']) class Spiders(FakeChromeUA): urls = [] @retry(stop_max_attempt_number=3, wait_fixed=2000) def fetch(self, url, param=None,headers=None): try: if not headers: headers ={} headers['user-agent'] = self.get_ua() else: headers['user-agent'] = ...
// 【/】GET形式,上述PHP例子就只有这个 fetch('https://demo.ap-shanghai.run.tcloudbase.com').then(r => r.json()).then(console.log) // 【/do】POST形式 fetch("https://demo.ap-shanghai.run.tcloudbase.com/post",{ method: 'POST' }).then(response => response.text()) .then(result...