def deleteUserCmd()

in tools/cli/wsk/wskadmin.py [0:0]
49 lines of code
11 McCabe index (conditional complexity)

def deleteUserCmd(args, props):
    protocol = props[DB_PROTOCOL]
    host     = props[DB_HOST]
    port     = props[DB_PORT]
    username = props[DB_USERNAME]
    password = props[DB_PASSWORD]
    database = props[DB_WHISK_AUTHS]

    if args.subject.strip() == '':
        print('Subject must not be empty')
        return 2

    if args.namespace and args.namespace.strip() == '':
        print('Namespace must not be empty')
        return 2

    (prev, res) = getDocumentFromDb(props, args.subject, args.verbose)
    if prev is None:
        print('Failed to delete subject (%s)' % res.read().strip())
        return 1

    if not args.namespace:
        url = '%(protocol)s://%(host)s:%(port)s/%(database)s/%(subject)s?rev=%(rev)s' % {
            'protocol': protocol,
            'host'    : host,
            'port'    : port,
            'database': database,
            'subject' : args.subject.strip(),
            'rev'     : prev['_rev']
        }

        headers = {
            'Content-Type': 'application/json',
        }

        res = request('DELETE', url, headers=headers, auth='%s:%s' % (username, password), verbose=args.verbose)
        if res.status in [200, 202]:
            print('Subject deleted')
        else:
            print('Failed to delete subject (%s)' % res.read().strip())
            return 1
    else:
        namespaceToDelete = args.namespace.strip()
        namespaces = [ns for ns in prev['namespaces'] if ns['name'] != namespaceToDelete]
        if len(prev['namespaces']) == len(namespaces):
            print('Namespace "%s" does not exist for "%s"' % (namespaceToDelete, prev['_id']))
            return 1
        else:
            prev['namespaces'] = namespaces
            res = insertIntoDatabase(props, prev, args.verbose)
            if res.status in [201, 202]:
                print('Namespace deleted')
            else:
                print('Failed to remove namespace (%s)' % res.read().strip())
                return 1