def cert_verify(self, conn, url, verify, cert):
        if url.lower().startswith('https') and verify:

            cert_loc = None

            # Allow self-specified cert location.
            if verify is not True:
                cert_loc = verify

            if not cert_loc:
                cert_loc = DEFAULT_CA_BUNDLE_PATH

            if not cert_loc:
                raise Exception("Could not find a suitable SSL CA certificate bundle.")

            conn.cert_reqs = 'CERT_REQUIRED'
            conn.ca_certs = cert_loc
        else:
            conn.cert_reqs = 'CERT_NONE'
            conn.ca_certs = None

        if cert:
            if not isinstance(cert, basestring):
                conn.cert_file = cert[0]
                conn.key_file = cert[1]
            else:
                conn.cert_file = cert
Lists zones
dataset/ETHPy150Open BergWerkGIS/QGIS-CKAN-Browser/CKAN-Browser/request/adapters.py/HTTPAdapter.cert_verify--crossover with--dataset/ETHPy150Open jasonhancock/cloudstack-python-client/CloudStack/Client.py/Client.listZones