1. Error message
ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1007)
C:\Users\\ a.chen\AppData\Local\Microsoft\WindowsApps\python3.10.exe C:\Users\\ a.chen\PycharmProjects\python_for_work\ auto_click\for_jenkins_CN\build_now.py Traceback (most recent call last): File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \connectionpool.py", line 703, in urlopen httplib_response = self._make_request( File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \connectionpool.py", line 386, in _make_request self._validate_conn(conn) File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \connectionpool.py", line 1042, in _validate_conn conn. connect() File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \connection.py", line 414, in connect self.sock = ssl_wrap_socket( File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \util\ssl_.py", line 449, in ssl_wrap_socket ssl_sock = _ssl_wrap_socket_impl( File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \util\ssl_.py", line 493, in _ssl_wrap_socket_impl return ssl_context.wrap_socket(sock, server_hostname=server_hostname) File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.3056.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 513, in wrap_socket return self.sslsocket_class._create( File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.3056.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 1071, in _create self. do_handshake() File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.10_3.10.3056.0_x64__qbz5n2kfra8p0\lib\ssl.py", line 1342, in do_handshake self._sslobj.do_handshake() ssl.SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1007) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\requests\ \adapters.py", line 489, in send resp = conn.urlopen( File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \connectionpool.py", line 787, in urlopen retries = retries. increment( File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\ \util\retry.py", line 592, in increment raise MaxRetryError(_pool, url, error or ResponseError(cause)) urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='blog.csdn.net', port=443): Max retries exceeded with url: /cun_king (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1007)'))) During handling of the above exception, another exception occurred: Traceback (most recent call last): File "C:\Users\\ a.chen\PycharmProjects\python_for_work\auto_click\for_jenkins_CN\build_now.py", line 21, in <module> strhtml = requests.get(url=url, headers=headers) # Get method to get web page data File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\requests\ \api.py", line 73, in get return request("get", url, params=params, **kwargs) File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\requests\ \api.py", line 59, in request return session.request(method=method, url=url, **kwargs) File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\requests\ \sessions.py", line 587, in request resp = self. send(prep, **send_kwargs) File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\requests\ \sessions.py", line 701, in send r = adapter. send(request, **kwargs) File "C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\requests\ \adapters.py", line 563, in send raise SSLError(e, request=request) requests.exceptions.SSLError: HTTPSConnectionPool(host='blog.csdn.net', port=443): Max retries exceeded with url: /cun_king (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1007)'))) Process finished with exit code 1
2. Solution
Add verify=False to the requests.get() function, so that the client will not verify SSL;
3. Correct executable code
#!/usr/bin/env python # -*- coding: utf-8 -*- # @Time : 5/8/2023 3:32 PM # @Author : Nora # @File : build_now.py # @Description : to show hits; import requests from bs4 import BeautifulSoup import ssl import urllib url = 'https://blog.csdn.net/cun_king' # context = ssl._create_unverified_context() # data = urllib.request.urlopen(url, context=context).read().decode('utf-8') headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)' 'Chrome/112.0.0.0 Safari/537.36'} strhtml = requests.get(url=url, headers=headers,verify=False) #Get method to get web page data soup = BeautifulSoup(strhtml. text, 'lxml') info = soup.select('#userSkin > div.user-profile-head > ' 'div.user-profile-head-info > div.user-profile-head-info-t > div > div.user-profile-head-info-rr > div.user-profile-head-info-r-c > ul > ' 'li:nth-child(1) > span > span > span > div. user-profile-statistics-num') print("Visit volume:" + info[0].get_text())
4. Result display:
C:\Users\\ a.chen\AppData\Local\Microsoft\WindowsApps\python3.10.exe C:\Users\\ a.chen\PycharmProjects\python_for_work\ auto_click\for_jenkins_CN\build_now.py C:\Users\\ a.chen\AppData\Local\Packages\PythonSoftwareFoundation.Python.3.10_qbz5n2kfra8p0\LocalCache\local-packages\Python310\site-packages\urllib3\connectionpool. py:1045: InsecureRequestWarning: Unverified HTTPS request is being made to host 'blog.csdn.net'. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/1.26.x/advanced - usage.html#ssl-warnings warnings. warn( Visits: 144,796 Process finished with exit code 0