Python has a neat little concept called a property that can do several useful things. In this article, we will be looking into how to do the following: Convert class methods into read-only attributes Reimplement setters and getters into an attribute In this article, you will learn how to use the builtin class property in […]
Python 201: Properties Read More »
I’ve been reading a lot about Python’s magic methods lately and recently read about a couple of ways to create an immutable class. An immutable class does not allow the programmer to add attributes to an instance (i.e. monkey patch). It’s a little easier to understand if we actually look at a normal class first.
How to Create “Immutable” Classes in Python Read More »
The Real Python: Advanced Web Development, featuring Django 1.6 KickStarter campaign released a preview chapter today called “Software Craftmanship”. It is the first chapter from the book. The PDF download consists of 33 pages. You can go get it too by going to the following address: http://www.realpython.com/preview/. If you haven’t already, you can still support
Real Python: Advanced Web Development Preview Chapter Read More »
Python’s first mainstream package was the .egg file. Now there’s a new format in town called the Wheel (*.whl). A wheel “is designed to contain all the files for a PEP 376 compatible install in a way that is very close to the on-disk format”. In this article, we will learn how to create a
Python: Packaging with Wheel Read More »
Really Simple Syndication (RSS) has been with us for a long time and allows us to see new articles on our favorite website easily. Python doesn’t have an RSS reader module in the standard library, so we’ll be using the Universal Feed Parser 5.1.3 to do our parsing. If you do not have it already,
wxPython: Creating a Simple RSS Reader Read More »
The other day I had an interesting task I needed to complete with Reportlab. I needed to create a PDF in landscape orientation that had to be rotated 90 degrees when I saved it. To make it easier to lay out the document, I created a class with a flag that allows me to save
Reportlab: How to Create Landscape Pages Read More »
Happy New Year! It’s the end of 2013 and the beginning of 2014, so it’s time to see which articles made it into the top ten list this year. I ran the statistics on December 31st and came up with the following list: Python: A Simple Step-by-Step SQLite Tutorial (37,658 page views) Python 101: How
Top Ten Articles of 2013 Read More »
Packt Publishing contacted me today to let me know that they are having a $5 eBook sale on all of their eBooks. They have a lot of Python books, so I thought I should let my readers know about the offer. I have reviewed some of their books in the past, so feel free to
Python eBook Sale from Packt Read More »
The other day I was trying to figure out a way to monitor the print queue on Windows. The task at hand was to keep track of what documents went to the printer and completely successfully. The idea was that when the print completed, the document would then be archived. To do this sort of
PyWin32 – How to Monitor the Print Queue Read More »
I recently received a copy of Kivy: Interactive Applications in Python by Roberto Ulloa. This is currently the only book about Kivy. Kivy is a cross-platform GUI toolkit that will run on Linux, Windows, and OS X as well as Android and iOS. In fact, the people behind Kivy emphasize that this is aimed primarily
eBook Review: Kivy – Interactive Applications in Python Read More »
This week I saw a question on StackOverflow about putting two grids into a SplitterWindow which itself was in a Notebook page. Personally I think that’s a little convoluted, but I thought it was an interesting challenge and I came up with a solution. Then the fellow wanted to know how to sync the scrolling
wxPython 201: Syncing Scrolling Between Two Grids Read More »
Last night I received an email about a new Python-related Kickstarter. The Real Python crew added a new author to write a book entirely about Django 1.6. This is a subject that I keep meaning to get into and haven’t had the opportunity to do so. Hopefully by backing this project, I’ll finally learn Django.
A new Python Kickstarter Project: Advanced Web Development, featuring Django 1.6 Read More »
The other day I was working on a project where I was using the fabulous ObjectListView widget (a wrapper around wx.ListCtrl) and I wanted to add the ability to double-click an item in the control to make it open a PDF. I knew I had read somewhere on the internet about how do this sort
wxPython: ObjectListview – How to Double-click items Read More »
Recently I was trying to figure out how to add tooltips to each item in an ObjectListView widget in wxPython on Windows. The wxPython wiki has an example that uses PyWin32, but I didn’t want to go that route. So I asked on the wxPython Google Group and got an interesting answer. They had actually
wxPython: Adding Tooltips to ObjectListView Read More »
Recently I’ve started learning about Kivy, a Python Natural User Interface (NUI) toolkit. As I understand it, Kivy is kind of a spiritual successor to pyMT, which you can read more about here. In this article, we will be learning how Kivy handles layout management. While you can position widgets using x/y coordinates, in every
Kivy 101: How to Use BoxLayouts Read More »