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.env

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+#database
+DB_HOST=81.19.136.150
+DB_USER=root
+DB_PW=nR2IeXYm8Afq6rC9c6uX

utils.py

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+import os
+from dotenv import load_dotenv
+import mysql.connector
+import json
+
+load_dotenv()
+
+mydb = mysql.connector.connect(
+    host=os.getenv('DB_HOST'),
+    user=os.getenv('DB_USER'),
+    password=os.getenv('DB_PW'),
+    database='vok1no'  # Добавьте имя базы данных
+)
+
+def sql_select(sql, val=None):
+    try:
+        with mydb.cursor() as new_cursor:
+            if val is None:
+                new_cursor.execute(sql)
+            else:
+                new_cursor.execute(sql, val)
+            data = new_cursor.fetchall()
+            new_cursor.close()
+            return data
+    except mysql.connector.Error as e:
+        raise SystemError(f'Ошибка sql_select: {str(e)}')
+
+def sql_insert(sql, val=None):
+    try:
+        with mydb.cursor() as new_cursor:
+            if val is None:
+                new_cursor.execute(sql)
+            else:
+                if isinstance(val[2], list):
+                    val = (val[0], val[1], json.dumps(val[2]))
+                new_cursor.execute(sql, val)
+            mydb.commit()
+            data = new_cursor.lastrowid
+            new_cursor.close()
+            return data
+    except mysql.connector.Error as e:
+        raise SystemError(f'Ошибка sql_insert: {str(e)}')
+    
+def sql_delete(sql, val=None):
+    try:
+        with mydb.cursor() as new_cursor:
+            if val is None:
+                new_cursor.execute(sql)
+            else:
+                new_cursor.execute(sql, val)
+            mydb.commit()
+            new_cursor.close()
+            return True
+    except mysql.connector.Error as e:
+        raise SystemError(f'Ошибка sql_delete: {str(e)}')
+    
+def sql_update(sql, val=None):
+    try:
+        with mydb.cursor() as new_cursor:
+            if val is None:
+                new_cursor.execute(sql)
+            else:
+                new_cursor.execute(sql, val)
+            mydb.commit()
+            
+            return True
+    except mysql.connector.Error as e:
+        raise SystemError(f'Ошибка sql_update: {str(e)}')
+
+# Пример использования
+t = 'INSERT INTO sites_logs (site, page, data) VALUES (%s, %s, %s)'
+v = ('test', 'vok1no', [1, 'Vok1no', 89913, 0, 1, 'vok'])
+
+try:
+    res = sql_insert(t, v)
+    print(f"ID новой записи: {res}")
+except SystemError as e:
+    print(e)
+
+
+try:
+    res = sql_select('SELECT * FROM sites_logs')
+    print(res)
+except SystemError as e:
+    print(e)