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Getting "403 Client Error: SNI is required" in Python requests

Unexpectedly, the API "requests" on python code started giving this error:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/requests/api.py", line 55, in get
return request('get', url, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/api.py", line 44, in request
return session.request(method=method, url=url, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 455, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 558, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/adapters.py", line 385, in send
raise SSLError(e)
requests.exceptions.SSLError: [Errno 1] _ssl.c:510: error:14077438:SSL
routines:SSL23_GET_SERVER_HELLO:tlsv1 alert internal error
On searching a number of things, I found a few packages to download. But that is also raising error:
So, the main thing that I noticed is the
Could not fetch URL https://pypi.python.org/simple/pip/: 403 Client Error: SNI is required
Please advise what it is and how to resolve this. Thanks in advance!

gaierror-2,Name or service name not known) when using requests.post in python

I am trying to send web request to my php code via linux running on raspberry pi. I am using putty to access the OS. When I am running the code, I am getting gai error-2. Below is my code:
import requests
values = {'"firstname":' "abc ", '"lastname":' "xyz"}
r = requests.post('http://rts.msmq.site/security.php', data=values)
I am unable to figure out the problem. Can someone let me know what could be the issue? I am using linux.
Error message:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/requests/api.py", line 94, in post
return request('post', url, data=data, json=json, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/api.py", line 49, in request
return session.request(method=method, url=url, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 457, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 569, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/adapters.py", line 407, in send
raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', gaierror(-2, 'Name or service not known'))

gaierror stands for get_address_info_error, which means urllib is having trouble reaching the hostname 'http://rts.msmq.site/security.php', check that you can nslookup rts.msmq.site or dig rts.msmq.site and ping rts.msmq.site

How to download a file from webpage by python request module?

I can directly download a file that is around 50 megabytes, but when I use python request to do so, it does not work. It returns:
r = sss.get(url, stream=True, headers=my_headers)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/requests-2.8.1-py2.7.egg/requests/sessions.py", line 480, in get
return self.request('GET', url, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/requests-2.8.1-py2.7.egg/requests/sessions.py", line 468, in request
resp = self.send(prep, **send_kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/requests-2.8.1-py2.7.egg/requests/sessions.py", line 576, in send
r = adapter.send(request, **kwargs)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/requests-2.8.1-py2.7.egg/requests/adapters.py", line 426, in send
raise ConnectionError(err, request=request)
requests.exceptions.ConnectionError: ('Connection aborted.', BadStatusLine("''",))
Here is the url that I've used:
What is the problem?

Try using http:// instead of https:// for your url?
Check out the solution to this question. Might be the solution to the error that you're facing.
Python requests.exception.ConnectionError: connection aborted "BadStatusLine"
Also, it would be helpful to include the url that you're passing into the request in your question.

Python -> requests Connection fails with "certificate verify failed"

I'm trying to connect to JIRA using a Python wrapper for the Rest interface and I can't get it to work at all. I've read everything I could find so this is my last resort.
I've tried a lot of stuff including
verify=False
but nothing has worked so far.
The strange thing is that with urllib.request it does work without any SSL cert (it's just some internal cert) but the goal is to use the Python Jira wrapper so it's not really an option...
I've tried Python 3.4 and 2.7... getting desperate...
Any ideas?
The code is very simple:
import requests
r = requests.get('https://jiratest.myurl.com/rest/api/2/serverInfo')
print(r.content)
Error:
C:\Python34\python.exe C:/projects/jirascriptsx/delete_worklogs.py
Traceback (most recent call last):
File "C:\Python34\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 544, in urlopen
body=body, headers=headers)
File "C:\Python34\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 341, in _make_request
self._validate_conn(conn)
File "C:\Python34\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 761, in _validate_conn
conn.connect()
File "C:\Python34\lib\site-packages\requests\packages\urllib3\connection.py", line 238, in connect
ssl_version=resolved_ssl_version)
File "C:\Python34\lib\site-packages\requests\packages\urllib3\util\ssl_.py", line 279, in ssl_wrap_socket
return context.wrap_socket(sock, server_hostname=server_hostname)
File "C:\Python34\lib\ssl.py", line 365, in wrap_socket
_context=self)
File "C:\Python34\lib\ssl.py", line 583, in __init__
self.do_handshake()
File "C:\Python34\lib\ssl.py", line 810, in do_handshake
self._sslobj.do_handshake()
ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:600)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Python34\lib\site-packages\requests\adapters.py", line 370, in send
timeout=timeout
File "C:\Python34\lib\site-packages\requests\packages\urllib3\connectionpool.py", line 574, in urlopen
raise SSLError(e)
requests.packages.urllib3.exceptions.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:600)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:/projects/jirascriptsx/delete_worklogs.py", line 4, in <module>
r = requests.get('https://jiratest.uniqa.at/rest/api/2/serverInfo')
File "C:\Python34\lib\site-packages\requests\api.py", line 69, in get
return request('get', url, params=params, **kwargs)
File "C:\Python34\lib\site-packages\requests\api.py", line 50, in request
response = session.request(method=method, url=url, **kwargs)
File "C:\Python34\lib\site-packages\requests\sessions.py", line 465, in request
resp = self.send(prep, **send_kwargs)
File "C:\Python34\lib\site-packages\requests\sessions.py", line 573, in send
r = adapter.send(request, **kwargs)
File "C:\Python34\lib\site-packages\requests\adapters.py", line 431, in send
raise SSLError(e, request=request)
requests.exceptions.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:600)
Process finished with exit code 1

There is a problem with our infrastructure which seems to bring out a bug in the requests module where the SSL verification ignore flag doesn't work properly.
None of the solutions offered in any of the Stackoverflow posts worked.
As a workaround I'm running the code directly on the server.

If you have certificate file(Certificate.pem) and key file(Key.pem) then we can authenticate like this
cert=/path/to/certificate_file
key_file=/path/to/key_file
url=https://jiratest.myurl.com/rest/api/2/serverInfo
with requests.session() as session:
session.cert=(cert,key_file)
session.auth=(username,base64.urlsafe_b64decode(password))
response=session.get(url)
if response.status_code == 200:
json_data = response.json()

Python requests module

I need to call a web requests and Im using Python request module.
I have a requests being served on a machine For ex:55.84.201.228. When I enter it throught the browser it works fine and Im able to view the webpage..
but when I use the requests.get, it does not work..It errors with a socket error..
>>> import requests
>>> r = requests.get('https://55.84.201.228')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python2.7/dist-packages/requests/api.py", line 55, in get
return request('get', url, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/requests/api.py", line 44, in request
return session.request(method=method, url=url, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/requests/sessions.py", line 383, in request
resp = self.send(prep, **send_kwargs)
File "/usr/local/lib/python2.7/dist-packages/requests/sessions.py", line 486, in send
r = adapter.send(request, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/requests/adapters.py", line 378, in send
raise ConnectionError(e)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='55.84.201.228', port=443): Max retries exceeded with url: / (Caused by <class 'socket.error'>: [Errno 110] Connection timed out)
How can I fix this issue?
>>>r = requests.get('https://www.cnn.com')
This works fine.

I am making a wild guess here since I can't access your machine but from experience, since you are using https on what I assume is some test server try
r = requests.get('https://55.84.201.228', verify=False)
According to the documentation certificate verification is on by default.