Category Archives: Programming

Defining custom vars for Pyramid scaffold

This is a quickie. I was working on creating custom Pyramid scaffold for easing development of multiple REST based microservices that share a common base. Instead of trying to copy, paste, change, I decided to ease my work by creating … Continue reading

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Robotic Raspberry Pi powered lawn mower

Last week I got my second Raspberry Pi. If you don’t know what it is already, it’s a 25$ fully blown computer with two USB ports, ethernet, video, audio and HDMI port of credit card dimensions. It has sixteen programmable … Continue reading

Posted in Hacking, Programming, Python | 2 Comments

Fancier logging in Python (with module and method/function names)

As Python programmers most of us know the old good logging module in Python standard library. This is somewhat really good and useful library for debugging and logging the behavior of the program, but I found it somewhat lacking. What … Continue reading

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Python GUI in Linux frame buffer

I was recently wondering about how can I display some graphics in Linux frame buffer with Python. It seems that if your text terminal is initialized in frame buffer mode (most of modern distributions do this), what you need is … Continue reading

Posted in Game Programming, Linux, Programming, Python | Tagged , , , , , , , , | 21 Comments

Paster server encoding problems

If you have stumbled upon strange unicode encoding errors within Paste server like this one: File “/usr/lib/python2.6/site-packages/paste/”, line 437, in handle_one_request self.wsgi_execute() File “/usr/lib/python2.6/site-packages/paste/”, line 290, in wsgi_execute self.wsgi_write_chunk(chunk) File “/usr/lib/python2.6/site-packages/paste/”, line 150, in wsgi_write_chunk self.wfile.write(chunk) File “/usr/lib64/python2.6/”, line 292, … Continue reading

Posted in Coding, Programming, Pylons, Python | Tagged , , , , , , | 2 Comments

Pylons, ContextObj attribute error, strict_c and fix

I’ve recently upgraded my Pylons to version 1.0 for the CMS project I’m working on and few things broke as a result. There were some changes in dependency packages as well, most notably changing of url_for to url which had … Continue reading

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How to get class method name in Python?

There are two ways to do this. You can either do: def whoami(): “””Returns name of the method.””” import sys return sys._getframe(1).f_code.co_name def callersname(): “””Returns name of the caller.””” import sys return sys._getframe(2).f_code.co_name Or you can simply do: import inspect … Continue reading

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PocketSpinx voice recognition with GStreamer and Mandriva

I’ve recently bumped upon an open source speech recognition software for Linux based on the CMU Sphinx project called PocketSphinx. Unfortunately standard Mandriva repositories doesn’t have this PocketSphinx library in the 64 bit arch version. So I’ve downloaded SphinxBase and … Continue reading

Posted in Mandriva, Python | Tagged , , , , | 1 Comment

Using SQLAlchemy-Migrate with Elixir model in Pylons

I’ve recently come across the database schema migration toolkit that builts on top of the awesome SQLAlchemy ORM library named SQLAlchemy-Migrate. Since I’m working mostly on Pylons projects with extensive schema written using SQL Elixir, I was wondering if I … Continue reading

Posted in Elixir, Programming, Pylons, Python, SQLAlchemy | 13 Comments

How to retrieve current module path in Python?

If you ever wondered how current path for module can be retrieved reliably in Python, there is a relatively simple way to do this. Each module has a __file__ variable that can be used for it. The answer is pretty … Continue reading

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