
Learn to run a complete billing software project with admin login, item management, and bill printing in Python and PyQt5. Explore updating item names, prices, images, and settings across bills.
Install python by downloading Python 3.9.5 from the official website, add it to the system path, and complete the Windows 64-bit installer to set up the development environment.
Install pyqt5 and pyqt5-tools using an administrator command prompt and pip, ensuring internet connectivity, to enable designing forms for the billing software project.
Install Visual Studio Code from code.visualstudio.com, install the Python extension, and run a test Python file to verify the environment.
Learn to create a desktop shortcut to the Qt Designer executable to design your billing software forms using Python, PyQt5, and SQLite.
Create and customize a PyQt5 login form within a multi-tab window, including labels, line edits, an image, styling, and a login button, with proper object names for Python integration.
Create a dynamic foods list in PyQt5 by designing a UI with QLabel elements for food images and names, styled borders, fonts, and a functional add-to-cart button.
Create a billing interface by aligning product controls, building a dynamic cart area inside a group box, and a q table widget for items with print and next bill actions.
Design a settings page by building item selection with a combo box, displaying item name, price, and picture, and adding modify and back buttons while applying login form styling.
Open Visual Studio Code, create a new Python file, import PyQt5 libraries, load the UI file with loadUiType, and initialize a main app to start on the login tab.
Load the ui file with PyQt5 and initialize a main window class. Set the initial login tab and prepare the billing software scaffold in vscode.
Install the sqlite browser on windows 64-bit to view sqlite databases and learn to download, install, open databases, and view data; next lesson covers creating databases.
Create a sqlite3 database named pos.db and connect with a cursor. Build two tables, build_items and products, with defined fields, then commit and verify using a database browser.
Delete existing items from the products table, insert new food records with name, image filename, and price, then commit and verify the data in the database using the cursor object.
Hello Student
Welcome to the course Develop Complete Billing Software in Python, PyQt5 & SQLite
Do you want to become a master in PYTHON GUI Programming?
Do You want to develop a real time billing software for sales business for a real time client?
Do you want to add a best python project in your resume?
Do you want to understand and create the SQL quires using sqlite3 database?
By learning this course you can achieve all the things.
After completing this course
You will be able to create a complete billing software for any kind of business.
You can create a new software yourself for your client requirement using PYTHON - PYQT LIBRARY.
You can create SQL queries yourself according to the software requirement.
In this course,
You will learn how to start the project by installing the required software and libraries from internet and till printing the bill after completing the sales using our software.
All basic requirements to complete this project are explained step by step process in this course.
First you will learn how to install python, then how to install pyqt5, and pyqt5-tools using pip and you will learn how to install SQLite browser.
After that you will learn how to design professional looking graphical user interface for login form, product list form, billing form. then you will learn how to create a settings form using qt designer.
Then you will learn how to create a sqlite3 database and tables and how to set default data in the table through python programming.
Then you will learn how to create code to interact with user interface file from python code and how to write click event, select event codes to the controls in the GUI.
After that you will learn how to interact with SQLite database from the python code and show it in the Graphical user interface.
You will learn how to use images in Pyqt5 and dynamically change the images through the python code.
Learning Steps in this Course
Installing required software
Python
Pyqt5
Pyqt5-Tools
SQLite Browser
Visual studio code (Optional)
Configure vs code
Configure QT Designer to desktop
Creating user interface file
Create login form
Username
Password
Login button
Error message label
Login image display
Create products list form
Products container
Price details
Image details
Product name details
Create billing table
Generate bill number
Generate current date
Create settings page
Products list combo box
Products name QLineEdit
Products price QLineEdit
Products image QLineEdit
Modify QPushButton
Back QPushButton
Creating python file to connect with user interface
Create database, tables and add default product details
Create database
Create tables for storing bill details and product details
Create login function to make login process
Login function
Logout function
Create add to bill function to add items to list
Add selected product in the database
Add selected product in the billing table
Create update function to update existing items
Modify selected product count in the database
Modify selected product count in the billing table
Calculate tax, total price and grand total
Display total price of all products
Calculating 5% tax for all products
Calculating the grand total price
Print receipt and go next bill
Print the form and open next bill function
No print and open the next bill function
Settings page setup
Open settings page function
Add products to setting page
Add all products from database to the combo box
When a product is selected, display its name, price and image in the required control
Update products in settings page
Update product name, price and image in the database
Update changes in the products list form
Display updated image, price and name in the products page
So why are you waiting. Join the course immediately.
I will see you in the course.
Thank you..