CKAN extension to enable preview for long txt and csv files.
In txt/csv previews this extensions limits the number of lines displayed for text files in a CKAN repository.
This is especially useful for large files such as CSV tables.
By showing only the first few lines, it keeps the interface clean while still providing a clear overview of the file's content.
This CKAN Extension enables resosurce previews
for large txt and csv files.
Tested on CKAN 2.10 and 2.11
Extract the ZIP file containing ckanext-partialview e.g.:
unzip ckanext-partialview.zip -d /usr/lib/ckan/default/src
Activate your CKAN virtual environment:
. /usr/lib/ckan/default/bin/activate
Install extension inside the virtual environment:
cd ckanext-partialview
pip install .
Make sure to add pages to ckan.plugins in your config file, located
in /etc/ckan/default/ckan.ini by default:
ckan.plugins = ... textpreview csvpreview ...
Restart CKAN:
supervisorctl restart ckan-uwsgi:
Download and extract the ZIP file containing ckanext-partialview
in ./ckan-extensions e.g.:
unzip ckanext-partialview.zip
Copy and install via Dockerfile:
COPY ckan-extensions/ $SRC_DIR
RUN cd $SRC_DIR/ckanext-partialview && \
python3 setup.py develop
Add the plugins to CKAN__PLUGINS in your .env file:
CKAN__PLUGINS = textpreview csvpreview
Restart CKAN container:
docker restart ckan
This extension includes two new resource views to your CKAN instance.
textpreview: Supported for file formats such as text/plain, txt, plain, xml, rdf, rdf+xml, owl+xml, atom, rss, json and csv.
csvpreview: Specifically for csv files.
Select the resource view in resource setting user interface.
The number of lines displayed is adjustable in the user interface. By default, the first 20 lines are shown. This value may be configured using:
ckanext.partialview_max_rows = 20
If the setting is omitted, it defaults to 20.
Released under the GNU Affero General Public License v3.0 or later.
See the file LICENSE for details.
(C) 2025, Ondics GmbH on behalf of FLI Friedrich-Loeffler-Institut, Bundesforschungsinstitut für Tiergesundheit