feat: Add export/import links to admin app-list menu

To activate, 'import_export' must be included in INSTALLED_APPS before 'django.contrib.admin'. This prioritizes custom app_list template, enabling the links.

import_export/templates/admin/app_list.html

@@ -0,0 +1,91 @@
+{% load i18n %}
+{% load admin_urls %}
+{% load import_export_filters %}
+
+<style>
+    td>span.disabled {
+        color: gray;
+        filter: grayscale(100%);
+        padding-right: .6em;
+    }
+</style>
+
+{% if app_list %}
+  {% for app in app_list %}
+    <div class="app-{{ app.app_label }} module
+                {% if app.app_url in request.path|urlencode %}current-app{% endif %}">
+      <table>
+        <caption>
+          <a href="{{ app.app_url }}"
+             class="section"
+             title="{% blocktranslate with name=app.name %}
+                      Models in the {{ name }} application
+                    {% endblocktranslate %}">{{ app.name }}</a>
+        </caption>
+        {% for model in app.models %}
+          <tr class="model-{{ model.object_name|lower }}
+                     {% if model.admin_url in request.path|urlencode %}current-model{% endif %}">
+            {% if model.admin_url %}
+              <th scope="row">
+                <a href="{{ model.admin_url }}"
+                   {% if model.admin_url in request.path|urlencode %}aria-current="page"{% endif %}>{{ model.name }}</a>
+              </th>
+            {% else %}
+              <th scope="row">{{ model.name }}</th>
+            {% endif %}
+
+            {% if model.add_url %}
+              <td>
+                <a href="{{ model.add_url }}" class="addlink">{% translate "Add" %}</a>
+              </td>
+            {% else %}
+              <td></td>
+            {% endif %}
+
+            {% if model|is_importable:request and model.add_url %}
+              <td>
+                <a href='{% url model|get_opts|admin_urlname:"import" %}'
+                   class="addlink">{% trans "Import" %}</a>
+              </td>
+            {% elif model.add_url %}
+              <td>
+                <span class="addlink disabled">{% translate "Import" %}</span>
+              </td>
+            {% else %}
+              <td></td>
+            {% endif %}
+
+            {% if model.admin_url and show_changelinks %}
+              {% if model.view_only %}
+                <td>
+                  <a href="{{ model.admin_url }}" class="viewlink">{% translate "View" %}</a>
+                </td>
+              {% else %}
+                <td>
+                  <a href="{{ model.admin_url }}" class="changelink">{% translate "Change" %}</a>
+                </td>
+              {% endif %}
+            {% elif show_changelinks %}
+              <td></td>
+            {% endif %}
+
+            {% if model|is_exportable:request and model.admin_url and show_changelinks %}
+              <td>
+                <a href='{% url model|get_opts|admin_urlname:"export" %}'
+                   class="viewlink">{% translate "Export" %}</a>
+              </td>
+            {% elif model.admin_url %}
+              <td>
+                <span class="hidelink disabled">{% translate "Export" %}</span>
+              </td>
+            {% elif show_changelinks %}
+              <td></td>
+            {% endif %}
+          </tr>
+        {% endfor %}
+      </table>
+    </div>
+  {% endfor %}
+{% else %}
+  <p>{% translate "You don’t have permission to view or edit anything." %}</p>
+{% endif %}

import_export/templatetags/import_export_filters.py

@@ -0,0 +1,28 @@
+from django import template
+from django.contrib import admin
+
+register = template.Library()
+
+
+@register.filter
+def is_exportable(obj, request):
+    model_class = obj["model"]
+    admin_class = admin.site._registry[model_class]
+    return hasattr(
+        admin_class, "has_export_permission"
+    ) and admin_class.has_export_permission(request)
+
+
+@register.filter
+def is_importable(obj, request):
+    model_class = obj["model"]
+    admin_class = admin.site._registry[model_class]
+    return hasattr(
+        admin_class, "has_import_permission"
+    ) and admin_class.has_import_permission(request)
+
+
+@register.filter
+def get_opts(obj):
+    model_class = obj["model"]
+    return model_class._meta

tests/settings.py

@@ -4,13 +4,13 @@
 import django
 
 INSTALLED_APPS = [
+    "import_export",
     "django.contrib.admin",
     "django.contrib.auth",
     "django.contrib.contenttypes",
     "django.contrib.sessions",
     "django.contrib.messages",
     "django.contrib.sites",
-    "import_export",
     "core",
 ]