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ReadOnlyAdminMixin

Author:
ppo
Posted:
November 5, 2015
Language:
Python
Version:
1.7
Tags:
admin readonly
Score:
0 (after 0 ratings)

Disables all editing capabilities in admin and display all fields as read-only.

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class ReadOnlyAdminMixin(object):
    """Disables all editing capabilities."""
    change_form_template = "admin/view.html"

    def __init__(self, *args, **kwargs):
        super(ReadOnlyAdminMixin, self).__init__(*args, **kwargs)
        self.readonly_fields = self.model._meta.get_all_field_names()

    def get_actions(self, request):
        actions = super(ReadOnlyAdminMixin, self).get_actions(request)
        del actions["delete_selected"]
        return actions

    def has_add_permission(self, request):
        return False

    def has_delete_permission(self, request, obj=None):
        return False

    def save_model(self, request, obj, form, change):
        pass

    def delete_model(self, request, obj):
        pass

    def save_related(self, request, form, formsets, change):
        pass


# templates/admin/view.html
{% extends "admin/change_form.html" %}
{% load i18n %}

{% block submit_buttons_bottom %}
  <div class="submit-row">
    <a href="../">{% blocktrans %}Back to list{% endblocktrans %}</a>
  </div>
{% endblock %}


# templates/admin/view.html (for Grappelli)
{% extends "admin/change_form.html" %}
{% load i18n %}

{% block submit_buttons_bottom %}
  <footer class="grp-module grp-submit-row grp-fixed-footer">
    <header style="display:none"><h1>{% trans "submit options"|capfirst context "heading" %}</h1></header>
    <ul>
       <li><a href="../" class="grp-button grp-default">{% blocktrans %}Back to list{% endblocktrans %}</a></li>
    </ul>
  </footer>
{% endblock %}

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