How to get Python requests to trust a self signed SSL certificate?

Question

import requests
data = {\'foo\':\'bar\'}
url = \'https://foo.com/bar\'
r = requests.post(url, data=data)

If the URL uses a self signed certificate,

Answer 1

Case where multiple certificates are needed was solved as follows: Concatenate the multiple root pem files, myCert-A-Root.pem and myCert-B-Root.pem, to a file. Then set the requests REQUESTS_CA_BUNDLE var to that file in my ./.bash_profile.

$ cp myCert-A-Root.pem ca_roots.pem
$ cat myCert-B-Root.pem >> ca_roots.pem
$ echo "export REQUESTS_CA_BUNDLE=~/PATH_TO/CA_CHAIN/ca_roots.pem" >> ~/.bash_profile ; source ~/.bash_profile