Custom mimetypes extension
Read the Custom Internet media types (MIME types) section at http://ckan.readthedocs.org/en/latest/maintaining/filestore.html
Activate the pyenv for your CKAN instance before installing this extension.
Clone this repository and run python setup.py install
to install simply.
Or you can install this by the following way.
$ pip install -e git+https://github.com/fumi/ckanext-mimetypes.git#egg=ckanext-mimetypes
$ cd (pyenv)/src/ckanext-mimetypes
$ python setup.py develop
Then add mimetypes
to your ckan.plugins in your CKAN config file.