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The Natural History Museum logo.

ckanext-contact

Tests Coveralls CKAN Python Docs

A CKAN extension for adding popup contact forms to pages.

Overview

Borrows much of the contact form code from ckanext-surrey.

An example can be seen on the Natural History Museum's Data Portal when clicking "Contact dataset curator."

This extension now includes Google's reCAPTCHA for preventing spam submissions.

Installation

Path variables used below:

  • $INSTALL_FOLDER (i.e. where CKAN is installed), e.g. /usr/lib/ckan/default
  • $CONFIG_FILE, e.g. /etc/ckan/default/development.ini

Installing from PyPI

pip install ckanext-contact

Installing from source

  1. Clone the repository into the src folder:

    cd $INSTALL_FOLDER/src
git clone https://github.com/NaturalHistoryMuseum/ckanext-contact.git

  2. Activate the virtual env:

    . $INSTALL_FOLDER/bin/activate

  3. Install via pip:

    pip install $INSTALL_FOLDER/src/ckanext-contact

Installing in editable mode

Installing from a pyproject.toml in editable mode (i.e. pip install -e) requires setuptools>=64; however, CKAN 2.9 requires setuptools==44.1.0. See our CKAN fork for a version of v2.9 that uses an updated setuptools if this functionality is something you need.

Post-install setup

  1. Add 'contact' to the list of plugins in your $CONFIG_FILE:

    ckan.plugins = ... contact

  2. To use reCAPTCHA, you must register a site with the Google reCAPTCHA service and add your API key and secret in the configuration.

Configuration

These are the options that can be specified in your .ini config file.

Email

Name Description Default
ckanext.contact.mail_to Email address to submit to email_to
ckanext.contact.recipient_name Name of the recipient ckan.site_title
ckanext.contact.subject Email subject for the submitted form 'Contact/Question from visitor'
ckanext.contact.add_timestamp_to_subject Whether to append a timestamp to the subject line false
ckanext.contact.subject_prefix A prefix to add to the subject before sending ''

Recaptcha

Name Description Default
ckanext.contact.recaptcha_v3_key API key for the reCAPTCHA service. False (i.e. disabled)
ckanext.contact.recaptcha_v3_secret API secret for the reCAPTCHA service. False (i.e. disabled)
ckanext.contact.recaptcha_v3_action data-module-action for the form/button

Other

Name Description Default
ckanext.contact.check_email Set to False to disable checking email addresses via pyIsEmail True (i.e. enabled)

Usage

Add the following HTML where you want the contact button to appear:

{% set params = {...} %}

<a class="btn btn-primary" data-module="modal-contact" data-module-template="{{ h.get_contact_form_template_url(params) }}" href="{{ h.url_for('contact.form', **params) }}" title="{{ _('Contact') }}">
    <i class="fas fa-envelope"></i>{{ link_text if link_text else _('CONTACT BUTTON TEXT') }}
</a>

{% asset 'ckanext-contact/main' %}

Where params is a dict with three entries: package_id, resource_id, record_id (all of which are optional).

Testing

There is a Docker compose configuration available in this repository to make it easier to run tests. The ckan image uses the Dockerfile in the docker/ folder.

To run the tests against ckan 2.9.x on Python3:

  1. Build the required images:

    docker compose build

  2. Then run the tests. The root of the repository is mounted into the ckan container as a volume by the Docker compose configuration, so you should only need to rebuild the ckan image if you change the extension's dependencies.

    docker compose run ckan