我是Python Requests的新手，在尝试IOError:[Errno 22] Invalid argument时遇到了requests.get()。简而言之，我正在尝试使用SSL连接到内部Web应用程序，因此我根据请求文档传递证书/密钥组合。
我花了相当多的时间研究潜在的问题，并看到了一些潜在的SNI问题，但我不够精明，不知道如何解决这个问题（同样，新的请求）。欣赏正确方向的任何推动/进一步挖掘的地方（我猜猜你的urllib3？）
import requests
cert_file_path = "/Users/me/Documents/cert.pem"
key_file_path = "/Users/me/Documents/key.pem"
url = "https://mydomain/path/to/something"
cert = (cert_file_path, key_file_path)
r = requests.get(url, cert=cert)
IOError Traceback (most recent call last)
<ipython-input-48-1ee4a7f23d00> in <module>()
4 url = "https://mydomain/path/to/something"
5 cert = (cert_file_path, key_file_path)
----> 6 r = requests.get(url, cert=cert)
/Users/me/anaconda/lib/python2.7/site-packages/requests/api.pyc in get(url, **kwargs)
66
67 kwargs.setdefault('allow_redirects', True)
---> 68 return request('get', url, **kwargs)
69
70
/Users/me/anaconda/lib/python2.7/site-packages/requests/api.pyc in request(method, url, **kwargs)
48
49 session = sessions.Session()
---> 50 response = session.request(method=method, url=url, **kwargs)
51 # By explicitly closing the session, we avoid leaving sockets open which
52 # can trigger a ResourceWarning in some cases, and look like a memory leak
/Users/me/anaconda/lib/python2.7/site-packages/requests/sessions.pyc in request(self, method, url, params, data, headers, cookies, files, auth, timeout, allow_redirects, proxies, hooks, stream, verify, cert, json)
462 }
463 send_kwargs.update(settings)
--> 464 resp = self.send(prep, **send_kwargs)
465
466 return resp
/Users/me/anaconda/lib/python2.7/site-packages/requests/sessions.pyc in send(self, request, **kwargs)
574
575 # Send the request
--> 576 r = adapter.send(request, **kwargs)
577
578 # Total elapsed time of the request (approximately)
/Users/me/anaconda/lib/python2.7/site-packages/requests/adapters.pyc in send(self, request, stream, timeout, verify, cert, proxies)
368 decode_content=False,
369 retries=self.max_retries,
--> 370 timeout=timeout
371 )
372
/Users/me/anaconda/lib/python2.7/site-packages/requests/packages/urllib3/connectionpool.pyc in urlopen(self, method, url, body, headers, retries, redirect, assert_same_host, timeout, pool_timeout, release_conn, **response_kw)
542 httplib_response = self._make_request(conn, method, url,
543 timeout=timeout_obj,
--> 544 body=body, headers=headers)
545
546 # If we're going to release the connection in ``finally:``, then
/Users/me/anaconda/lib/python2.7/site-packages/requests/packages/urllib3/connectionpool.pyc in _make_request(self, conn, method, url, timeout, **httplib_request_kw)
339 # Trigger any extra validation we need to do.
340 try:
--> 341 self._validate_conn(conn)
342 except (SocketTimeout, BaseSSLError) as e:
343 # Py2 raises this as a BaseSSLError, Py3 raises it as socket timeout.
/Users/me/anaconda/lib/python2.7/site-packages/requests/packages/urllib3/connectionpool.pyc in _validate_conn(self, conn)
760 # Force connect early to allow us to validate the connection.
761 if not getattr(conn, 'sock', None): # AppEngine might not have `.sock`
--> 762 conn.connect()
763
764 if not conn.is_verified:
/Users/me/anaconda/lib/python2.7/site-packages/requests/packages/urllib3/connection.pyc in connect(self)
236 ca_certs=self.ca_certs,
237 server_hostname=hostname,
--> 238 ssl_version=resolved_ssl_version)
239
240 if self.assert_fingerprint:
/Users/me/anaconda/lib/python2.7/site-packages/requests/packages/urllib3/util/ssl_.pyc in ssl_wrap_socket(sock, keyfile, certfile, cert_reqs, ca_certs, server_hostname, ssl_version, ciphers, ssl_context)
261 raise
262 if certfile:
--> 263 context.load_cert_chain(certfile, keyfile)
264 if HAS_SNI: # Platform-specific: OpenSSL with enabled SNI
265 return context.wrap_socket(sock, server_hostname=server_hostname)
IOError: [Errno 22] Invalid argument
Python ：Python 2.7.11 :: Anaconda 2.4.1（x86_64）
请求：2.6.0
Mac OSX ：约塞米蒂（10.10.5）