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add_position.py

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+from tkinter import *
+from database import DatabaseMain
+
+
+def add_posit():
+    brand_to_parse = StringVar()
+    model_to_parse = StringVar()
+    cpu_to_parse = StringVar()
+    ram_to_parse = StringVar()
+
+    add_pos = Toplevel()
+    add_pos.title('Nowa pozycja')
+    lab1 = Label(add_pos, text='Brand:')
+    lab1.grid(row=0, column=0)
+    f_brand = Entry(add_pos, textvariable=brand_to_parse, width=30)
+    f_brand.grid(row=0, column=1)
+    lab2 = Label(add_pos, text='Model:')
+    lab2.grid(row=1, column=0)
+    f_model = Entry(add_pos, textvariable=model_to_parse, width=30)
+    f_model.grid(row=1, column=1)
+    lab3 = Label(add_pos, text='CPU:')
+    lab3.grid(row=2, column=0)
+    f_cpu = Entry(add_pos, textvariable=cpu_to_parse, width=30)
+    f_cpu.grid(row=2, column=1)
+    lab4 = Label(add_pos, text='RAM:')
+    lab4.grid(row=3, column=0)
+    f_ram = Entry(add_pos, textvariable=ram_to_parse, width=30)
+    f_ram.grid(row=3, column=1)
+    lab5 = Label(add_pos, text=' ')
+    lab5.grid(row=5, column=0)
+
+    #brand_to_parse = brand_to_parse.get()
+    #model_to_parse = brand_to_parse.get()
+    #cpu_to_parse = brand_to_parse.get()
+    #ram_to_parse = brand_to_parse.get()
+
+    # return brand_to_parse, model_to_parse, cpu_to_parse, ram_to_parse
+
+    def insert_new_data_to_db():
+        DatabaseMain().insert_data(brand_to_parse.get(),
+                                   model_to_parse.get(), cpu_to_parse.get(), ram_to_parse.get())
+        f_brand.delete(0, END)
+        f_model.delete(0, END)
+        f_cpu.delete(0, END)
+        f_ram.delete(0, END)
+        lab6 = Label(add_pos, text='success!, add new item')
+        lab6.grid(row=5, column=1)
+
+    button_confirm = Button(add_pos, text='Dodaj', borderwidth=3,
+                            width=25, height=3, command=insert_new_data_to_db)
+    button_confirm.grid(row=4, column=1)

database.py

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+import sqlite3
+
+
+class DatabaseMain():
+
+    def __init__(self):
+        self.database_name = 'towary_main.db'
+        self.conn = None
+        self.c = None
+
+    def _create_or_connect_to_db(self):
+        # create a database or connect to one
+        self.conn = sqlite3.connect(self.database_name)
+
+    def _create_cursor(self):
+        # create cursor
+        self.c = self.conn.cursor()
+
+    def _create_table(self):
+        self.c.execute("""CREATE TABLE IF NOT EXISTS computers (
+            com_id INTEGER PRIMARY KEY AUTOINCREMENT,
+            com_brand text,
+            com_model text,
+            com_cpu text,
+            com_ram text
+        )""")
+
+    def _show_table(self):
+        self.c.execute("SELECT * FROM computers")
+        print(self.c.fetchall())
+
+    def _insert_value_to_table(self, parsed_com_brand, parsed_com_model, parsed_com_cpu, parsed_com_ram):
+        self.c.execute(f"""INSERT INTO COMPUTERS (
+            com_brand,
+            com_model,
+            com_cpu,
+            com_ram
+        )
+        VALUES (
+            "{parsed_com_brand}",
+            "{parsed_com_model}",
+            "{parsed_com_cpu}",
+            "{parsed_com_ram}"
+            )""")
+
+    def _commit_to_db(self):
+        self.conn.commit()
+
+    def _close_db(self):
+        self.conn.close()
+
+    def initialize_db(self):
+        self._create_or_connect_to_db()
+        self._create_cursor()
+        self._create_table()
+        self._commit_to_db()
+        self._close_db()
+
+    def show_db(self):
+        self._create_or_connect_to_db()
+        self._create_cursor()
+        self._show_table()
+        self._close_db()
+
+    def insert_data(self, parsed_com_brand, parsed_com_model, parsed_com_cpu, parsed_com_ram):
+        self._create_or_connect_to_db()
+        self._create_cursor()
+        self._insert_value_to_table(
+            parsed_com_brand, parsed_com_model, parsed_com_cpu, parsed_com_ram)
+        self._commit_to_db()
+        self._close_db()
+
+    def drop_db(self):
+        self._create_or_connect_to_db()
+        self._create_cursor()
+        self.c.execute("DROP TABLE computers")
+        self._commit_to_db()
+        self._close_db()

main_window.py

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+from add_position import add_posit
+from tkinter import *
+import os
+from database import DatabaseMain
+
+
+root = Tk()
+root.title('Manager towaru')
+# root.geometry('600x400')
+
+# def insert_new_data_to_db(brand_to_parse):
+#DatabaseMain().insert_data(brand_to_parse, "g1", "i7", "8gb dd5")
+
+
+def show_base():
+    DatabaseMain().show_db()
+
+
+def hello():
+    hello_label = Label(root, text='Hello ')
+    hello_label.grid(row=5, column=0)
+
+
+separe_label = Label(root, text='           ')
+separe_label.grid(row=1, column=1)
+
+
+button_add = Button(root, text='Dodaj nowy plik dostawy', borderwidth=3,
+                    width=25, height=3, command=hello)
+button_add.grid(row=1, column=0)
+
+button_view = Button(root, text='Podgląd bazy', borderwidth=3,
+                     width=25, height=3, command=show_base)
+button_view.grid(row=2, column=0)
+
+button_view = Button(root, text='Dodaj pozycje', borderwidth=3,
+                     width=25, height=3, command=add_posit)
+button_view.grid(row=3, column=0)
+
+button_del = Button(root, text='Usuń pozycje', borderwidth=3,
+                    width=25, height=3, command=hello)
+button_del.grid(row=4, column=0)
+
+button_create = Button(root, text='Utwórz etykiete', borderwidth=3,
+                       width=25, height=3, command=hello)
+button_create.grid(row=1, column=2)
+
+
+button_quit = Button(root, text='Zamknij program', borderwidth=3,
+                     width=25, height=3, command=root.quit)
+button_quit.grid(row=4, column=2)
+
+DatabaseMain().initialize_db()
+
+
+root.mainloop()
+DatabaseMain().drop_db()