{
  "context": "This criteria evaluates how well the engineer uses the apache-airflow-providers-ftp package to implement batch file transfers. The focus is on proper usage of the FTPFileTransmitOperator for batch operations and configuration of intermediate directory creation.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "FTPFileTransmitOperator usage",
      "description": "Uses FTPFileTransmitOperator (or FTPSFileTransmitOperator) from airflow.providers.ftp.operators.ftp to perform the file transfer operation",
      "max_score": 30
    },
    {
      "name": "Batch transfer implementation",
      "description": "Passes lists of file paths to the operator's local_filepath and remote_filepath parameters to enable batch transfer of multiple files in a single operation",
      "max_score": 25
    },
    {
      "name": "PUT operation configuration",
      "description": "Configures the operator with operation='put' to upload files from local to remote server",
      "max_score": 15
    },
    {
      "name": "Intermediate directory creation",
      "description": "Sets create_intermediate_dirs=True parameter to automatically create missing remote directories during upload",
      "max_score": 20
    },
    {
      "name": "Connection configuration",
      "description": "Properly configures ftp_conn_id parameter to use the provided FTP connection identifier",
      "max_score": 10
    }
  ]
}