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トップに関する質問Pythonのルート証明書の取得について

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質問編集履歴

2

エラー文修正

2021/03/02 10:27

投稿

nogish
nogish

スコア20

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test CHANGED
@@ -8,7 +8,7 @@
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  ```Jupyterlab
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- URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1123)>
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+ URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)>
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  ```
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1

pythonコード、エラー文、サイト情報の追加

2021/03/02 10:27

投稿

nogish
nogish

スコア20

test CHANGED
File without changes
test CHANGED
@@ -30,17 +30,245 @@
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+ ```Jupyterlab
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+
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+ ---------------------------------------------------------------------------
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+
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+ SSLCertVerificationError Traceback (most recent call last)
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/urllib/request.py in do_open(self, http_class, req, **http_conn_args)
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+
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+ 1345 try:
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+
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+ -> 1346 h.request(req.get_method(), req.selector, req.data, headers,
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+
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+ 1347 encode_chunked=req.has_header('Transfer-encoding'))
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+
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/http/client.py in request(self, method, url, body, headers, encode_chunked)
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+
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+ 1254 """Send a complete request to the server."""
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+
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+ -> 1255 self._send_request(method, url, body, headers, encode_chunked)
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+ 1256
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/http/client.py in _send_request(self, method, url, body, headers, encode_chunked)
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+
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+ 1300 body = _encode(body, 'body')
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+
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+ -> 1301 self.endheaders(body, encode_chunked=encode_chunked)
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+ 1302
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/http/client.py in endheaders(self, message_body, encode_chunked)
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+
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+ 1249 raise CannotSendHeader()
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+
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+ -> 1250 self._send_output(message_body, encode_chunked=encode_chunked)
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+ 1251
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/http/client.py in _send_output(self, message_body, encode_chunked)
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+ 1009 del self._buffer[:]
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+
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+ -> 1010 self.send(msg)
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+ 1011
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/http/client.py in send(self, data)
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+
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+ 949 if self.auto_open:
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+
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+ --> 950 self.connect()
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+
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+ 951 else:
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/http/client.py in connect(self)
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+
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+ 1423
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+
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+ -> 1424 self.sock = self._context.wrap_socket(self.sock,
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+ 1425 server_hostname=server_hostname)
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+
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/ssl.py in wrap_socket(self, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname, session)
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+
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+ 499 # ctx._wrap_socket()
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+
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+ --> 500 return self.sslsocket_class._create(
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+ 501 sock=sock,
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/ssl.py in _create(cls, sock, server_side, do_handshake_on_connect, suppress_ragged_eofs, server_hostname, context, session)
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+
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+ 1039 raise ValueError("do_handshake_on_connect should not be specified for non-blocking sockets")
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+ -> 1040 self.do_handshake()
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+
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+ 1041 except (OSError, ValueError):
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/ssl.py in do_handshake(self, block)
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+
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+ 1308 self.settimeout(None)
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+
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+ -> 1309 self._sslobj.do_handshake()
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+
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+ 1310 finally:
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+
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+
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+
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+ SSLCertVerificationError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)
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+
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+
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+
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+ During handling of the above exception, another exception occurred:
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+
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+
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+
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+ URLError Traceback (most recent call last)
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+
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+ <ipython-input-7-81afa538059d> in <module>
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+
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+ 1 url = 'https://scraping-for-beginner.herokuapp.com/ranking/'
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+
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+ ----> 2 response = req.urlopen(url) # 指定したwebサイトのHTMLを取得できる関数
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+
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/urllib/request.py in urlopen(url, data, timeout, cafile, capath, cadefault, context)
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+
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+ 212 else:
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+
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+ 213 opener = _opener
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+
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+ --> 214 return opener.open(url, data, timeout)
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+
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+ 215
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+
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+ 216 def install_opener(opener):
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+
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/urllib/request.py in open(self, fullurl, data, timeout)
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+
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+ 515
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+
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+ 516 sys.audit('urllib.Request', req.full_url, req.data, req.headers, req.get_method())
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+
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+ --> 517 response = self._open(req, data)
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+
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+ 518
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+
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+ 519 # post-process response
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/urllib/request.py in _open(self, req, data)
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+
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+ 532
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+
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+ 533 protocol = req.type
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+
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+ --> 534 result = self._call_chain(self.handle_open, protocol, protocol +
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+
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+ 535 '_open', req)
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+
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+ 536 if result:
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/urllib/request.py in _call_chain(self, chain, kind, meth_name, *args)
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+
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+ 492 for handler in handlers:
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+
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+ 493 func = getattr(handler, meth_name)
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+
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+ --> 494 result = func(*args)
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+
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+ 495 if result is not None:
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+
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+ 496 return result
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+
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/urllib/request.py in https_open(self, req)
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+
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+ 1387
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+
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+ 1388 def https_open(self, req):
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+
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+ -> 1389 return self.do_open(http.client.HTTPSConnection, req,
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+
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+ 1390 context=self._context, check_hostname=self._check_hostname)
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+
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+ 1391
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+
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+
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+
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+ /usr/local/Cellar/python@3.9/3.9.2_1/Frameworks/Python.framework/Versions/3.9/lib/python3.9/urllib/request.py in do_open(self, http_class, req, **http_conn_args)
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+
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+ 1347 encode_chunked=req.has_header('Transfer-encoding'))
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+
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+ 1348 except OSError as err: # timeout error
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+
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+ -> 1349 raise URLError(err)
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+
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+ 1350 r = h.getresponse()
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+
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+ 1351 except:
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+
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+
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+
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+ URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)>
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+
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+ ```
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+
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  ```terminal
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  -bash: /Applications/Python 3.9/Install Certificates.command: No such file or directory
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  ```
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-
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-
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  ### 該当のソースコード
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+ ```Jupyterlab
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+
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+ !pip3 install beautifulsoup4
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+
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+
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+
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+ from bs4 import BeautifulSoup
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+
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+ import urllib.request as req
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+
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+
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+
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+ url = 'https://scraping-for-beginner.herokuapp.com/ranking/'
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+
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+ response = req.urlopen(url)
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+
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+ ```
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+
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- 何を変えればよいかわからず、とりあえずバージョンの数字だけ自分のpyhtonのバージョンに合わせました
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+ certifiモジュールの方は、何を変えればよいかわからず、とりあえずバージョンの数字だけ自分のpyhtonのバージョンに合わせました
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