Implement CSV export for BaseModelView.

doc/introduction.rst

@@ -298,6 +298,12 @@ To **manage related models inline**::
 These inline forms can be customised. Have a look at the API documentation for
 :meth:`~flask_admin.contrib.sqla.ModelView.inline_models`.
 
+To **enable csv export** of the model view::
+
+    can_export = True
+
+This will add a button to the model view that exports records, truncating at :attr:`~flask_admin.model.BaseModelView.max_export_rows`.
+
 Adding Your Own Views
 =====================
 

flask_admin/model/typefmt.py

@@ -49,3 +49,8 @@ BASE_FORMATTERS = {
     bool: bool_formatter,
     list: list_formatter,
 }
+
+EXPORT_FORMATTERS = {
+    type(None): empty_formatter,
+    list: list_formatter,
+}

flask_admin/templates/bootstrap2/admin/model/list.html

@@ -26,6 +26,12 @@
         </li>
         {% endif %}
 
+        {% if admin_view.can_export %}
+        <li>
+            <a href="{{ get_url('.export_csv', **request.args) }}" title="{{ _gettext('Export') }}">{{ _gettext('Export') }}</a>
+        </li>
+        {% endif %}
+
         {% if filters %}
         <li class="dropdown">
             {{ model_layout.filter_options() }}

flask_admin/templates/bootstrap3/admin/model/list.html

@@ -26,6 +26,12 @@
         </li>
         {% endif %}
 
+        {% if admin_view.can_export %}
+        <li>
+            <a href="{{ get_url('.export_csv', **request.args) }}" title="{{ _gettext('Export') }}">{{ _gettext('Export') }}</a>
+        </li>
+        {% endif %}
+
         {% if filters %}
         <li class="dropdown">
             {{ model_layout.filter_options() }}