Телеграм Бот и Функции с ошибками

Задания/task1/Lahin/postgres.py

@@ -49,6 +49,7 @@ for i in range(len(productst)):
         u.append(features[10*i+j].text)
     wget.download(url, filename)
     t = pricest[i].text.replace("\xa0", " ")
+    try:
         insert = f"""INSERT INTO public.laptops(
             Product, Price, Diagonal, Resolution, CPU, RAM, Graphics_Controller, Volume, src)
             VALUES
@@ -56,5 +57,7 @@ for i in range(len(productst)):
             '{u[2]}', '{u[4]+" "+u[5]}', '{u[6]}', '{u[8]}', '{filename}');"""
         cursor.execute(insert)
         connection.commit()
+    except:
+        connection.rollback()
 cursor.close()
 connection.close()

Задания/task1/Lahin/select_and_edit'.py

@@ -0,0 +1,27 @@
+
+import psycopg2
+import config
+def edit(request):
+    try:
+        connection = psycopg2.connect(host=config.host, dbname=config.dbname, user=config.user, password=config.password)
+        cursor = connection.cursor()
+        cursor.execute(request)
+        print("Done")
+    except Exception as error:
+        print(f"Что-то не так. Ошибка:{error}")
+    finally:
+        cursor.close()
+        connection.close()
+def select(request):
+    try:
+        connection = psycopg2.connect(host=config.host, dbname=config.dbname, user=config.user,
+                                      password=config.password)
+        cursor = connection.cursor()
+        cursor.execute(request)
+        result = cursor.fetchall()
+    except Exception as error:
+         result = f"Ошибка: {error}"
+    finally:
+        cursor.close()
+        connection.close()
+        return result

Задания/task1/Lahin/telegrambot.py

@@ -1,15 +1,23 @@
 import telebot
 import psycopg2
 import config
-def execute_request(request):
+bot = telebot.TeleBot(config.bot_token)
-    connection = psycopg2.connect(host=config.host, dbname=config.dbname, user=config.user, password=config.password)
+
+def select(request):
+    try:
+        connection = psycopg2.connect(host=config.host, dbname=config.dbname, user=config.user,
+                                      password=config.password)
         cursor = connection.cursor()
         cursor.execute(request)
         result = cursor.fetchall()
+    except:
+         result = "Ошибка"
+    finally:
         cursor.close()
         connection.close()
         return result
-max_id = int(execute_request("select count(*) from laptops")[0][0])
+
+max_id = int(select("select max(id) from laptops")[0][0])
 bot = telebot.TeleBot(config.bot_token)
 @bot.message_handler(commands=["start"])
 def start(m, res=False):
@@ -26,12 +34,21 @@ def from_bd(message):
         bot.send_message(message.chat.id, "ID больше, чем количество товаров. Попробуйте снова:")
         return
     else:
-        data = execute_request(f"select * from laptops where id = {current_id}")[0][1:-1]
+        try:
-        names_of_columns = ["Товар", "Цена", "Диагональ", "Разрешение", "Процессор", "Оперативная память", "Графический контроллер", "Объём диска"]
+            data = select(f"select * from laptops where id = {current_id}")[0][1:]
+            if type(data) == str:
+                bot.send_message(message.chat.id, "Ошибка на сервере")
+                return
+            s = data[:-1]
+            names_of_columns = ["Товар", "Цена", "Диагональ", "Разрешение", "Процессор", "Оперативная память",
+                                "Графический контроллер", "Объём диска"]
             everydata = []
-        for data_name, column_name in zip(data, names_of_columns):
+            for data_name, column_name in zip(s, names_of_columns):
                 everydata.append(column_name.capitalize() + ": " + data_name)
             bot.send_message(message.chat.id, "\n\n".join(everydata))
+            bot.send_photo(message.chat.id, open(data[-1], 'rb'))
+        except:
+            bot.send_message(message.chat.id, "Ошибка на сервере")
     bot.send_message(message.chat.id, f"Введите следующий ID от 1 до {max_id}:")
 bot.polling(none_stop=True, interval=0)