gistfile1.txt

def auth_v2(url, tenant_id, username, password, region=None):
    connection = httplib.HTTPSConnection(url)
    body_json = {
        "auth": {
            "passwordCredentials": {
                "username": username,
                "password": password
            },
            "tenantId": tenant_id
        }
    }
    connection.request('POST', '/v2.0/tokens', body=json.dumps(body_json),
                       headers={'content-type': 'application/json',
                                'accept': 'application/json'})
    response = connection.getresponse()
    catalog = response.read()
    cat = json.loads(catalog)
    auth_token = cat['access']['token']['id']
    for thing in cat['access']['serviceCatalog']:
        if thing['type'] == 'object-store':  # instead of name == swift
            for ep in thing['endpoints']:
                storage_url = ep['publicURL']
                if region is None:
                    return storage_url, auth_token
                elif ep['region'] == region:
                    return storage_url, auth_token
    return None, None