These tutorials are for developers who already understand the basics of Python and they would like to expand their knowledge
Last month, you learned the basics of Textual’s DOM queries. If you missed it, you can read the article now! In this tutorial you will be learning about the following topics: The DOMQuery object Getting the first or last widget Query filters Query exclusions Other query methods Let’s get started! The DOMQuery Object The DOMQuery object gets […]
Textual – An Intro to DOM Queries (Part II) Read More »
When you are developing a user interface, it can be valuable to have a log of what’s going on. Creating a log in Textual, a text-based user interface, is even easier than creating one for wxPython or Tkinter. Why? Well, because Textual includes a logger that is compatible with Python’s own logging module, so it’s
Textual – Logging to File and to Textual Console Read More »
Python has had type hinting support since Python 3.5, over TEN years ago! However, Python’s type annotations have changed repeatedly over the years. In Python Typing: Type Checking for Python Programmers, you will learn all you need to know to add type hints to your Python applications effectively. You will also learn how to use Python
Python Typing Book Kickstarter Read More »
Decorators are a concept that can trip up new Python users. You may find this definition helpful: A decorator is a function that takes in another function and adds new functionality to it without modifying the original function. Functions can be used just like any other data type in Python. A function can be passed
How to Type Hint a Decorator in Python Read More »
Python has supported type hinting for quite a few versions now, starting way back in 3.5. However, Python itself does not enforce type checking. Instead, you need to use an external tool or IDE. The first and arguably most popular is mypy. Microsoft also has a Python type checker that you can use in VS Code
How to Switch to ty from Mypy Read More »
Learn how to create text-based user interfaces (TUIs) using Python and the amazing Textual package. Textual is a rapid application development framework for your terminal or web browser. You can build complex, sophisticated applications in your terminal. While terminal applications are text-based rather than pixel-based, they still provide fantastic user interfaces. The Textual package allows
Creating TUI Applications with Textual and Python is Released Read More »
Python has supported the concept of type hinting for quite a while now. However, unlike other programming languages, Python does not enforce type hints. You must use an external tool, such as Mypy, for that. In this tutorial, you will learn all about TypedDict, a special way of adding type hinting to Heterogeneous dictionaries. A
Python 201 – All About the TypedDict Read More »
Textual is an excellent Python package for creating beautiful user interfaces in your terminal. By default, Textual will arrange your widgets starting at the top of the screen and appending them in a vertically oriented stack. Each GUI or TUI toolkit provides a way to lay out your widgets. Textual is no different in this
Textual – How to Add Widgets to a Container Read More »
When you are working on your personal or work projects in Python, you usually want to have a way to enforce code standards. You can use tools like Flake8, PyLint or Ruff to lint your code. You might use Mypy to verify type checking. There are lots of other tools at your disposal. But it
Checking Python Code with GitHub Actions Read More »
Reading and writing files is a basic task that most software applications need to do. You will also find that you sometimes need to read and write files to a remote machine or perhaps run commands on a remote machine as well. Python is well-suited for this type of activity using tools such as Paramiko.
SSH Scripting with Fabric and Python Read More »
Textual v0.80.0 was released today, and it included the brand-new MaskedInput widget. If you have used other GUI toolkits, such as wxPython, you might already be familiar with a masked input widget. These widgets allow you to control the user’s input based on a mask string that the developer provides when instantiating the widget. Let’s spend
Textual – The New MaskedInput Widget Read More »
Have you ever wanted to create a plot or graph in your terminal? Okay, maybe you haven’t, but now that you know you can, you want to! Python has the plotext package for plotting in your terminal. However, while that package is amazing all on its own, there is another package called textual-plotext that wraps
How to Plot in the Terminal with Python and Textualize Read More »
The Textual package is a great way to create GUI-like applications with Python in your terminal. These are known as text-based user interfaces or TUIs. Textual has many different widgets built-in to the framework. One of those widgets is the ProgressBar. If you need to show the progress of a download or long-running process, then
Creating Progress Bars in Your Terminal with Python and Textual Read More »
ObjectListView is a third-party wxPython widget that wraps the wx.ListCtrl. I have used it for over 10 years in quite a few different GUI applications because it works much nicer than wx.ListCtrl does. Unfortunately, ObjectListView was never integrated into wxPython core like some other amazing third-party packages were, and so it has become broken over
ANN: ObjectListView3 for wxPython Read More »
Do you have a Python package that you’d like to share with the world? You should publish it on the Python Package Index (PyPI). The vast majority of Python packages are published there. The PyPI team has also created extensive documentation to help you on your packaging journey. This article does not aim to replace
How to Publish a Python Package to PyPI Read More »