Just a little tip if you get stuck installing the PostgreSQL Python database adaptor as I did. Here is the error I got when running setup.py install (I downloaded the source after easy_install failed to work):
building 'psycopg2._psycopg' extension
Compiling with an SDK that doesn't seem to exist: /Developer/SDKs/MacOSX10.4u.sdk
Please check your Xcode installation
The solution is to download the psycopg2 source, then edit the setup.py - around line 426 before after “undef_macros[]” add this:
,extra_link_args = ['-L/Developer/SDKs/MacOSX10.5.sdk/usr/lib']
So that line will look like this:
undef_macros=[],extra_link_args=['-L/Developer/SDKs/MacOSX10.5.sdk/usr/lib']))
That is all, running ’sudo python setup.py install’ should get it working.
This post will walk you through the steps I took to enable OpenID login in a project I am working on. I wanted to enable OpenID alongside existing user data stored in MySQL database.
This tutorial actually covers more than just the subject of OpenID; it shows how to create your own custom authentication and authorization in Pylons, and how to create your own authorization decorators to protect Pylons actions.
I will assume you already have Pylons, SQLAlchemy, Mako, and MySQL installed, and will start by creating a new Pylons project project for this tutorial.
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Here is a quick and simple Python class I hacked up to take comma separated values and reformat them to a fixed column text table. Supports multi-line rows, column width limits, and creates a header row automatically using the data from the first row of the CSV input.
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