first commit

connection.py

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+import mysql.connector
+from mysql.connector import Error
+
+def create_connection(host_name, user_name, user_password, db_name,port):
+    connection = None
+    try:
+        connection = mysql.connector.connect(
+            host=host_name,
+            user=user_name,
+            password=user_password,
+            database=db_name,
+            port=port,
+            ssl_disabled=True
+        )
+        print("Connessione al database riuscita!")
+    except Error as e:
+        print(f"Errore: {e}")
+    return connection
+
+def close_connection(connection):
+    if connection is not None and connection.is_connected():
+        connection.close()
+        print("Connessione al database chiusa.")

search.py

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+import pandas as pd
+import mysql.connector
+import math
+import xlsxwriter
+import tkinter as tk
+from tkinter import filedialog,messagebox
+from datetime import datetime
+from mysql.connector import Error
+
+def search_article(connection,codice,listino):
+    cursor_1 = connection.cursor()
+    cursor_2 = connection.cursor()
+    query = "SELECT codice FROM art WHERE codice = %s"
+    cursor_1.execute(query,(codice))
+    result_1 = cursor.fetchone()
+
+    if result_1: ## se l'articolo esiste creco per codice listino
+        query_lsv = "SELECT TLV_CODICE FROM lsv WHERE ART_CODICE = %s AND TLV_CODICE = %s"
+        cursor_2.execute(query_lsv,(codice,listino))
+        result_2 = cursor_2.fetchone()
+
+        if result_2: ## se il codice listino è stato trovato 
+            return True ## esistono sia articolo che codice listino
+        else:
+            return False ## articlo esiste ma non esiste il codice listino 
+    else:
+        return False ## l'articolo non esiste