[Qgis-user] quantumnik - mapnik on OS X

[Dane Springmeyer]

Hi Mike,

Yes, the QGIS builds require a specific version of Python. On Leopard  
(10.5) that is python 2.5. On Snow Leopard (10.6) that is python 2.6.  
I think that QGIS on both platforms works with either the apple/system  
python that comes on your mac or the one from python.org (as long as  
it is the right version).

A handy way to confirm this is to open QGIS and go to the top menu  
Plugins > Python Console.

In the python console type:

import sys;print sys.version

(then hit "execute")

That should print the python version information the QGIS depends on.

So, I'd guess you are on leopard and need to install Mapnik's Python25  
bindings.

The Mapnik dmg at http://dbsgeo.com/downloads/ provides two installers  
Mapnik's python bindings, one for Python 25 and one for Python 26.

Dane

the error below indicates that Mapnik's python bindings are  
unavailable to QGIS.
On Feb 24, 2010, at 8:20 PM, Mike Swope wrote:

> Hi, I've been setting up my new machine, a Mac server.
>
> I've been trying to get the quantumnik plugin to work.
> I've been more or less following the steps outlined here
> http://mojodna.net/2009/12/05/the-os-x-spatial-stack.html
>
> I have the mapnik package found here
> http://dbsgeo.com/downloads/
> and everything seems to work there.
>
> However when I try to add the plugin...I get the following:
> The plugin seems to be invalid or have unfulfilled dependencies. It  
> has been installed, but can't be loaded....Here is the error message  
> below:
> "The plugin depends on some components missing on your system. You  
> need to install the following Python module in order to enable it:  
> mapnik"
>
> So my guess is I'm using the python 2.6 from python.org, and QGIS is  
> using another one. The QGIS I'm using comes from Kyngchaos, with the  
> frameworks (non standalone).
>
> Any pointers?
>
> Thanks
>
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> Qgis-user at lists.osgeo.org
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