DNAC HTTPAPI Plugin Python 3

[jandiorio]

Context

Current import statement in dnac.py httpapi plugin only supports python2 environments. Testing in python3 fails.

Process

1. Install Ansible in Python 3 environment
2. Attempt to use dnac.py connection plugin

Expected Result

Expectation would be a successful connection to the Cisco DNA Center Controller

Current Result

root@b6498371d394:/development/ansible-dnac/playbooks# ansible-playbook -i hosts.yml test_initial_connection.yml

PLAY [Testing ansible-dnac Collection] *******************************************************************************************

TASK [get devices] ***************************************************************************************************************
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: ModuleNotFoundError: No module named 'urllib2'
fatal: [dnac-prod.campus.wwtatc.local]: FAILED! => {"msg": "Unexpected failure during module execution.", "stdout": ""}

PLAY RECAP ***********************************************************************************************************************
dnac-prod.campus.wwtatc.local : ok=0    changed=0    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0

Possible Fix

In plugins/httpapi/dnac.py replace:

from urllib2 import HTTPError

with:

try: 
    from urllib2 import HTTPError
except ImportError:
    from  urllib.request import HTTPError