{
  "context": "This criteria evaluates how well the engineer uses the apache-airflow-providers-ftp package to implement FTP connection management functionality. It focuses on proper usage of FTPHook and FTPSHook classes and their connection management methods.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "FTPHook instantiation",
      "description": "Creates instances of airflow.providers.ftp.hooks.ftp.FTPHook class for standard FTP connections with appropriate connection parameters",
      "max_score": 20
    },
    {
      "name": "FTPSHook instantiation",
      "description": "Creates instances of airflow.providers.ftp.hooks.ftp.FTPSHook class for secure FTPS connections when use_ftps=True",
      "max_score": 20
    },
    {
      "name": "get_conn() method",
      "description": "Uses the get_conn() method from FTPHook or FTPSHook to obtain the underlying ftplib.FTP or ftplib.FTP_TLS connection object",
      "max_score": 20
    },
    {
      "name": "Passive mode handling",
      "description": "Configures passive mode on the FTP connection by calling set_pasv() method on the ftplib connection object obtained from get_conn()",
      "max_score": 15
    },
    {
      "name": "Connection lifecycle",
      "description": "Implements proper connection lifecycle using __enter__ and __exit__ methods, ensuring FTPHook connection is established and closed appropriately",
      "max_score": 15
    },
    {
      "name": "Connection validation",
      "description": "Uses FTPHook methods such as list_directory() or test_connection() to validate that the FTP connection is working",
      "max_score": 10
    }
  ]
}