add ftp parm from db

utils/ftp/elab_send.py

@@ -1,9 +1,42 @@
-import ftplib
+from ftplib import FTP, FTP_TLS, all_errors
 from io import BytesIO
 import logging
 import aiomysql
 
 logger = logging.getLogger(__name__)
+class FTPConnection:
+    """
+    Manages an FTP or FTP_TLS connection, providing a context manager for automatic disconnection.
+    """
+    def __init__(self, host, port=21, use_tls=False, user='', passwd='',
+                 passive=True, timeout=None, debug=0, context=None):
+
+        self.use_tls = use_tls
+
+        if use_tls:
+            self.ftp = FTP_TLS(context=context, timeout=timeout) if context else FTP_TLS(timeout=timeout)
+        else:
+            self.ftp = FTP(timeout=timeout)
+
+        if debug > 0:
+            self.ftp.set_debuglevel(debug)
+
+        self.ftp.connect(host, port)
+        self.ftp.login(user, passwd)
+        self.ftp.set_pasv(passive)
+
+        if use_tls:
+            self.ftp.prot_p()
+
+    def __getattr__(self, name):
+        """Delega tutti i metodi non definiti all'oggetto FTP sottostante"""
+        return getattr(self.ftp, name)
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.ftp.quit()
 
 async def send_csv_to_customer(cfg: dict, id: int, unit: str, tool: str, csv_data: str, pool: object) -> bool:
     """
@@ -41,9 +74,15 @@ async def send_csv_to_customer(cfg: dict, id: int, unit: str, tool: str, csv_dat
                 csv_bytes = csv_data.encode('utf-8')
                 csv_buffer = BytesIO(csv_bytes)
 
+                ftp_parms = parse_ftp_parms(send_ftp_info["ftp_parm"])
+                use_tls = 'ssl_version' in ftp_parms
+                passive = ftp_parms.get('passive', True)
+                port = ftp_parms.get('port', 21)
+
+
+
                 # Connessione FTP
-                with ftplib.FTP(send_ftp_info["ftp_addrs"]) as ftp:
-                    ftp.login(send_ftp_info["ftp_user"], send_ftp_info["ftp_passwd"])
+                with FTPConnection(host=send_ftp_info["ftp_addrs"], port=port, use_tls=use_tls, user=send_ftp_info["ftp_user"], passwd=send_ftp_info["ftp_passwd"], passive=passive) as ftp:
 
                     # Cambia directory
                     if send_ftp_info["ftp_target"] != "/":
@@ -59,7 +98,7 @@ async def send_csv_to_customer(cfg: dict, id: int, unit: str, tool: str, csv_dat
                         logging.error(f"Errore nell'invio: {result}")
                         return False
 
-            except ftplib.all_errors as e:
+            except all_errors as e:
                 logging.error(f"Errore FTP: {e}")
                 return False
             except Exception as e:
@@ -67,3 +106,34 @@ async def send_csv_to_customer(cfg: dict, id: int, unit: str, tool: str, csv_dat
                 return False
             finally:
                 csv_buffer.close()
+
+def parse_ftp_parms(ftp_parms):
+    """
+    Parses a string of FTP parameters into a dictionary.
+
+    Args:
+        ftp_parms (str): A string containing key-value pairs separated by commas,
+                         with keys and values separated by '=>'.
+
+    Returns:
+        dict: A dictionary where keys are parameter names (lowercase) and values are their parsed values.
+    """
+    # Rimuovere spazi e dividere per virgola
+    pairs = ftp_parms.split(',')
+    result = {}
+
+    for pair in pairs:
+        if '=>' in pair:
+            key, value = pair.split('=>', 1)
+            key = key.strip().lower()
+            value = value.strip().lower()
+
+            # Convertire i valori appropriati
+            if value.isdigit():
+                value = int(value)
+            elif value == '':
+                value = None
+
+            result[key] = value
+
+    return result