10 years of PyPy as first seen on PyPy Status Blog.
Congratulations guys! Well done on a Great Project, a Great Tool and most of all a Great Python Implementation!
circuits-2.1.0
circuits-2.1.0 is out
I’m pleased to announce the release of circuits 2.1.0
This is a minor release which includes some new features and bug fixes. Some of the highlights of this release include:
- Python 3 support.
- Windows support.
- PyPy support.
- IPv6 support.
- Better WSGI support.
- Fully documented examples.
- Component Interface querying.
For more information see the PyPi page:
Random Password Generator
I’ve been seeing a lot of this lately on ActiveState Code Recipes; Random Password Generators written in Python. Well I thought I’d get in on this and share one I’ve been using for many years, but mostly because I’m finding “Blogging” to be quite fun!
This recipe is also a part of my very old pymills repository of useful modules and routines I’ve either written or collected. You might find bits and pieces of my library useful.
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Python trademark at risk in Europe: We need your help!
In the style ofVasudev Ram’s version, c’mon Aussies! Let’s all be a good mate and pitch in!
I haven’t seen any Python developers from down under blog about this yet so let’s give a helping hand :)
–James Mills / prologic - Lead developer of circuits
Unpacking and Conditional Expressions
Unpacking tuples and conditional expressions in Python.
The other day whilst working on a web crawler at work called spyda I came across an interesting behavior in Python. Here it goes:
>>> xs = [(1, 2), (3, 4)] >>> a, b = xs[0] if xs else None, None >>> a (1, 2) >>> b Notice that a becomes the first tuple in the list and b becomes None? This kinda got me stumped at first until I realized what was happening with the Python parser.
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Introducing the circuits team
Lately circuits has seen some presence in the wild and this is a good thing for the project. Just the other day Crunch.io posted a job advert on the Python Job Board in need of a RESTful Web Developer to designer and build their public API(s). Naturally I sent them an email asking if they’d like to hire the lead developer of circuits (that’s me!) :)
I thought it was about time I setup a circuits team repository on bitbucket to make things a little more prominent.
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Python Websockets Server with Circuits
Today marks the release of circuits-1.5 which brings to the circuits application framework a new circuits.web dispatcher.
The WebSockets dispatcher This dispatcher allows you to build a web application that is capable of accepting WebSockets client connections on the same process/thread.
Using circuits-1.5 here is a very simple Web Application that has WebSockets support and echos back every message it recieves:
index.html:
<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.
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Worker Pools with Circuits
For some time now I’ve been wanting to greatly improve the concurrency support in circuits and implement worker pools (using threads and/or processes). A few weeks ago I finally did that. I thought it would be hard at first until it hit me;
circuits has all the tools necessary
It turns out implementing “worker pools” in circuits is quite simple. All you need to do is construct a component that will start a number of other components as workers (either in thread mode or process mode).
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Testing With Mox
Last week I discovered the mocking library mox. I had previously known about the concept of mocking but had no experience in writing tests that mocked anything out… We use mocks quite a bit where I work and it was while implementing new functionality into our software that I learned also to write tests that used mocks (using the mox library/framework).
The most challenging concept with mocking in general was deciding what to mock and what not to mock and how you should structure your test.
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