Friday, 23 November 2012

Simple Camel Configuration of a Twitter Endpoint

I was asked just now how my got the Twitter Stream working in my new Camel based project and how I managed the credentials.

The Twitter endpoint works like a dream and this is essentially what my code looks like. All you need is a file in alongside your java file.

Saturday, 17 November 2012

Apache Camel - Connection Beans Without Spring

While writing some tests for an Apache Camel project, I just spent rather longer than I'd have liked trying to work out how to configure a connection bean for Mongo without using Spring.

Since I hide my embarrassments in public I thought I'd best share with anyone else with brain freeze.

Don't forget you need the camel-mongodb artifact in your pom.xml file. Good luck fellow travellers.

Monday, 5 November 2012

Python Web Microframeworks - Take Your Pick

You may read my post "Top Python Web Frameworks - Today" in which I took a fresh look at what which Python Web Frameworks were still around and still maintained.

In this post I give a quick overview of about half of those which I have loosely designated as "Microframeworks" - regardless of what the authors have called them. Wikipedia doesn't have a definition for microframework - I just looked - so what I really mean here is anything which let's you get started without having to learn a whole bunch of syntax and convention. Right on sister!

Let's get going:

Now that's done a little code from each -

Bottle (v0.11.13)

Bottle doesn't rely on any other packages at all, which means it's a great framework to use if you want to see all the working parts as they're all in the one file. That being said it can offer client-side sessions and compression and even WebSockets straight out of the box so it's not just a toy by any means.

Flask (v0.9)

Flask is dependent on Werkzeug for all the WSGI stuff and upon Jinja2 as a template library. It comes with client-side sessions, a built in debugger and is totally unicode friendly. I love Flask and use it often as my other posts will testify. (v0.4.9)

The first of the new boys, is certainly not package independent! It requires Werkzeug for WSGI, requests for http, Beaker for sessions, Elixir and SQLAlchemy for an ORM (PostgreSQL, MySQL and SQLite), Jinja2 for templates, gevent, pev and greenlet for events as well as compressinja, jsmin, jsonpickle, putils and pyScss which add various other niceties. Almost all well known and trusted libraries. (v0.37)

Again, doesn't rely on any other packages at all, but to me it's not as useful as flask or and not as simple to study as bottle, so I can't see the point, although according to the site, it's well used by others.

wheezy.web (v0.1.307)

pip installs wheezy.web, wheezy.core, wheezy.caching, wheezy.html, wheezy.http, wheezy.routing,, wheezy.validation which to me looks like the developers have taken a sensible approach to the development cycle by splitting everything up into independent code units.

According to the site,  functionality includes routing, model update/validation, authentication/authorization,content caching with dependency, xsrf/resubmission protection, AJAX+JSON, i18n (gettext), middlewares, and more.

In Summary

No I haven't tested them to death and no I haven't even tried out and wheezy.web in a real world app, although I will do. I certainly have not done either load or concurrency testing on them. You can do that and I'll read your blog.

Goo luck fellow traveller.

Friday, 2 November 2012

CoffeeScript Love: Backbone.js Tutorials in CoffeeScript

Ahhhh enjoy the aroma, inhale the caffeine. If you're looking for a nice list of Backbone tutorials that use CoffeeScript then look no more - CoffeeScript Love: Backbone.js Tutorials in CoffeeScript.

Thursday, 1 November 2012

Top Python Web Frameworks - Today

Every once in a while it's nice to rediscover old friends. Over the last few years I've had a play with quite a few Python Web Frameworks, but one does tend to get a favourite and stick with it. Same as other areas I suppose - cars, dogs, beers, partners... Still, it's good to have a look at what's new and fresh once in a while (my wife doesn't care, but don't tell my dog.)

example of Python language
example of Python language (Photo credit: Wikipedia)
If you look around the internet, there are probably thirty or so Python Web Frameworks around, but not all of them are actively supported. This means that they are likely to be missing functionality in some of the latest latest areas of interest - OAuth2, HTML5 or mobile support for example. Or maybe they just don't make it easy to stuff that you have become used to over the last few years - AJAX or web services maybe.

In my previous post "My Top Ten Python Web Frameworks" from about 18months ago, I gave you my opinion of what was hot, or not, at that time. Some of those seem to have stalled now - Tipfy, GAE framework, Weblayer; while others have appeared or matured -,, wheezy.web.

Below is an alphabetic list of the active (updated this year) which I know about. There may be others out there, so please let me know in the comments at the bottom.
In my next few posts I'll be giving you a run down of what state each of them is in and try to give you some idea of how they fit your requirements.

Good luck fellow traveller.