Add querystring parameters to path (template tag)

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@register.simple_tag(takes_context=True)
def url_add_query(context, **kwargs):
    request = context.get('request')

    get = request.GET.copy()
    get.update(kwargs)

    path = '%s?' % request.path
    for query, val in get.items():
        path += '%s=%s&' % (query, val)

    return path[:-1]

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Comments

kerridge0 (on April 9, 2013):

Lovely, worked for me when I had filtered querysets with class base views:

{% if is_paginated %}

{% load getpages_tags %}
<div class="pagination">
        <ul>
                {% if page_obj.has_previous %}
                <li>
                        <a href="{% url_add_query page=page_obj.previous_page_number %}">Previous</a>
                </li>
                {% endif %}
                {% for pg in paginator.page_range %}
                {% if page_obj.number == pg %}
                <li class="active">
                        <a href="{% url_add_query page=pg %}">{{ pg }}</a>
                </li>
                {% else %}
                <li>
                        <a href="{% url_add_query page=pg %}">{{ pg }}</a>
                </li>
                {% endif %}
                {% endfor %}
                {% if page_obj.has_next %}
                <li>
                        <a href="{% url_add_query page=page_obj.next_page_number %}">Next</a>
                </li>
                {% endif %}
        </ul>
</div>

{% endif %}

#

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