add doc in load ftp user

src/load_ftp_users.py

@@ -27,7 +27,11 @@ FTP_CONFIG = {
 }
 
 def connect_ftp() -> FTP:
-    """Connessione al server FTP"""
+    """
+    Establishes a connection to the FTP server using the predefined configuration.
+    Returns:
+        FTP: An active FTP connection object.
+    """
     try:
         ftp = FTP()
         ftp.connect(FTP_CONFIG['host'], FTP_CONFIG['port'])
@@ -39,7 +43,14 @@ def connect_ftp() -> FTP:
         sys.exit(1)
 
 def fetch_data_from_db(connection: mysql.connector.MySQLConnection) -> List[Tuple]:
-    """Preleva i dati dal database"""
+    """
+    Fetches username and password data from the 'ftp_accounts' table in the database.
+
+    Args:
+        connection (mysql.connector.MySQLConnection): The database connection object.
+    Returns:
+        List[Tuple]: A list of tuples, where each tuple contains (username, password).
+    """
     try:
         cursor = connection.cursor()
 
@@ -62,6 +73,15 @@ def fetch_data_from_db(connection: mysql.connector.MySQLConnection) -> List[Tupl
         cursor.close()
 
 def send_site_command(ftp: FTP, command: str) -> bool:
+    """
+    Sends a SITE command to the FTP server.
+
+    Args:
+        ftp (FTP): The FTP connection object.
+        command (str): The SITE command string to send (e.g., "ADDU username password").
+    Returns:
+        bool: True if the command was sent successfully, False otherwise.
+    """
     """Invia un comando SITE al server FTP"""
     try:
         # Il comando SITE viene inviato usando sendcmd
@@ -73,7 +93,9 @@ def send_site_command(ftp: FTP, command: str) -> bool:
         return False
 
 def main():
-    """Funzione principale"""
+    """
+    Main function to connect to the database, fetch FTP user data, and send SITE ADDU commands to the FTP server.
+    """
     logger.info("Avvio script caricamento utenti FTP")
     cfg = setting.Config()