cms_form: add basic file widget

cms_form/models/widgets/widget_binary.py

@@ -91,3 +91,11 @@ class ImageWidget(models.AbstractModel):
     _description = "CMS Form image widget"
 
     w_template = fields.Char(default="cms_form.field_widget_image")
+
+
+class FileWidget(models.AbstractModel):
+    _name = "cms.form.widget.binary"
+    _inherit = "cms.form.widget.binary.mixin"
+    _description = "CMS Form file widget"
+
+    w_template = fields.Char(default="cms_form.field_widget_file")

cms_form/templates/widgets.xml

@@ -267,4 +267,15 @@ License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html).
             </t>
         </div>
     </template>
+    <template id="field_widget_file" name="CMS form image field widget">
+      <input
+            type="file"
+            t-att-name="widget.html_fname"
+            t-att-id="widget.w_fname"
+            t-attf-class="form-control #{widget.w_css_klass}"
+            t-att-required="widget.w_field['required'] and '1' or None"
+            t-att-readonly="widget.html_readonly or None"
+            t-att-disabled="'disabled' if widget.html_readonly else None"
+        />
+    </template>
 </odoo>