The multiprocessing module was added to Python in version 2.6. It was originally defined in PEP 371 by Jesse Noller and Richard Oudkerk. The multiprocessing module allows you to spawn processes in much that same manner than you can spawn threads with the threading module. The idea here is that because you are now spawning […]
Python 201: A multiprocessing tutorial Read More »
This week we welcome Cory Benfield (@lukasaoz) as our PyDev of the Week! Cory is a core developer of the Python language, specifically on urllib3 as well as a core developer of the requests package. He is also the lead maintainer of the Hyper Project which is a set of related projects that provide HTTP/2
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The threading module was first introduced in Python 1.5.2 as an enhancement of the low-level thread module. The threading module makes working with threads much easier and allows the program to run multiple operations at once. Note that the threads in Python work best with I/O operations, such as downloading resources from the Internet or
Python 201: A Tutorial on Threads Read More »
The Bokeh package is an interactive visualization library that uses web browsers for its presentation. Its goal is to provide graphics in the vein of D3.js that look elegant and are easy to construct. Bokeh supports large and streaming datasets. You will probably be using this library for creating plots / graphs. One of its
Python: Visualization with Bokeh Read More »
The asyncio module was added to Python in version 3.4 as a provisional package. What that means is that it is possible that asyncio receives backwards incompatible changes or could even be removed in a future release of Python. According to the documentation asyncio “provides infrastructure for writing single-threaded concurrent code using coroutines, multiplexing I/O
Python 3 – An Intro to asyncio Read More »
This week we welcome Nicholas Tollervey (@ntoll) as our PyDev of the Week. He is the author of the Python in Education booklet and the co-author of Learning jQuery Deferreds: Taming Callback Hell with Deferreds and Promises. He was one of the co-founders of the London Python Code Dojo. You should check out his website
PyDev of the Week: Nicholas Tollervey Read More »
I finished up section #4 earlier this week which brings the book up to 26 chapters and a little over 200 pages. I have four more chapters planned and then a couple of updates to previous chapters. My goal is to have the book ready for proofing at the end of the month. Then I’ll
Python 201 Writing Update: Only 4 Chapters to go! Read More »
Coverage.py is a 3rd party tool for Python that is used for measuring your code coverage. It was originally created by Ned Batchelder. The term “coverage” in programming circles is typically used to describe the effectiveness of your tests and how much of your code is actually covered by tests. You can use coverage.py with
An Intro to coverage.py Read More »
The unittest module now includes a mock submodule as of Python 3.3. It will allow you to replace portions of the system that you are testing with mock objects as well as make assertions about how they were used. A mock object is used for simulating system resources that aren’t available in your test environment.
Python 201: An Intro to mock Read More »
This week we welcome James Tauber (@jtauber) as our PyDev of the Week. James is the founder and CEO of Eldarion. He is also the creator and lead developer of Pinax. You can about his many projects on his website. Let’s take a few moment to get to know him better. Can you tell us
PyDev of the Week: James Tauber Read More »
I stumbled across another new library that purports that it is better than Python’s datetime module. It is called Pendulum. Pendulum is heavily influenced by Carbon for PHP according to its documentation. These libraries are always interesting, although I am not sure what makes this one better than Arrow or Delorean. There were some comments
Yet Another Python datetime Replacement: Pendulum Read More »
I am happy to announce my first Udemy course on the Python programming language. It is called Python by Example and is a re-branding of my Python 101 Screencast series. I had originally hoped to keep the name, Python 101 on Udemy, but someone else had already taken it by the time I got my
ANN: The Python by Example Udemy Course Read More »
This week we welcome Ben Bangert as our PyDev of the Week! Ben is the mastermind behind the Pylons project, which was a web framework in Python. It is now known as Pyramid. If you have a moment or two, you should check out Ben’s website or his Github profile to see what he’s been
PyDev of the Week: Ben Bangert Read More »
The unittest module is actually a testing framework that was originally inspired by JUnit. It currently supports test automation, the sharing of setup and shutdown code, aggregating tests into collections and the independence of tests from the reporting framework. The unittest frameworks supports the following concepts: Test Fixture – A fixture is what is used
Python 3 Testing: An Intro to unittest Read More »
This week we welcome Larry Hastings as our PyDev of the Week! Larry is a core Python developer and long time user of Python. He has a fun talk about Python’s GIL on Youtube that is well worth your time checking out. He is also the mastermind behind the now defunct Radio Free Python podcast.
PyDev of the Week: Larry Hastings Read More »