[ckan-dev] Getting started with CKAN development

[James Gardner]

Hi Arthur,

Thanks for the update.

The installation instructions have changed again today actually to avoid 
this and other problems. The latest instructions are here:

https://bitbucket.org/okfn/ckan/src/56cccbbb9d1a/README.txt

Changes are that:

* All requirements are now in pip requirements files, not in setup.py so 
no setup.py develop step is needed
* By not creating your virtualenv with --no-site-packages and then 
installing all dependencies using --ignore-installed you can mix and 
match system packages with those in your virtualenv (handy for avoiding 
having to compile lxml etc)
* The pip requirements no longer live in pip-requirements.txt but 
instead are in three files in the requires directory so you can choose 
to only install dependencies that aren't already met in Ubuntu LTS if 
you so choose.
* You now clone the version of CKAN you want directly rather than 
getting the requirements version you need and then having CKAN specified 
in those requirements

These changes also make it easier for the core team to package CKAN as 
.deb files which should make installation for end users even easier in 
the future.

Cheers,

James



On 18/02/11 14:28, Arthur Taylor wrote:
> Hi all,
>
> Just a quick note. I'm (potentially, as time allows) interested in
> getting involved with some CKAN development and was just checking out
> the project to have a poke around. I cloned the github repository
> (@29b77a59ad) and followed the 'Developer Installation' readme instructions.
>
> Goes almost smoothly (as a complete stranger to the project), but there
> are a couple of issues.
>
> 1. Link to the pip requirements is dead (at time of writing):
> https://bitbucket.org/okfn/ckan/raw/default/pip-requirements.txt
> 2. I came a cropper at step 6. 'paster' and all that follows requires
> that you've done 'python setup.py develop' to get some required packages
> not included in pip-requirements.txt (this was helpfully pointed out by
> William Waites for me on IRC).
>
> ... but other than that everything went as planned.
>
> Thanks,
>
> Arthur
>
>
>
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