This week we welcome Harry Percival (@hjwp) as our PyDev of the Week! Harry is the author of Test-Driven Development with Python. You can visit his website to learn more about the book and even read it for free! Harry is also a programmer at PythonAnywhere which allows you to host, run and code Python […]
PyDev of the Week: Harry Percival Read More »
This week we welcome Ben Nuttall (@ben_nuttall) as our PyDev of the Week. Ben is a Raspberry Pi Community Manager http://bennuttall.com/ and is the creator of GPIO Zero, which is a simple interface to the GPIO components on the Raspberry Pi. You should also check out his website to see what Ben is up to.
PyDev of the Week: Ben Nuttall Read More »
Web scraping is where a programmer will write an application to download web pages and parse out specific information from them. Usually when you are scraping data you will need to make your application navigate the website programmatically. In this chapter, we will learn how to download files from the internet and parse them if
A Simple Intro to Web Scraping with Python Read More »
The concurrent.futures module was added in Python 3.2. According to the Python documentation it provides the developer with a high-level interface for asynchronously executing callables. Basically concurrent.futures is an abstraction layer on top of Python’s threading and multiprocessing modules that simplifies using them. However it should be noted that while the abstraction layer simplifies the
Python 3 Concurrency – The concurrent.futures Module Read More »
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 »