[geo] Treat extras with __ as start of key as system (hidden)

ckan/lib/helpers.py

@@ -727,7 +727,7 @@ def sorted_extras(package_extras, auto_clean=False, subs=None, exclude=None):
         if extra.get('state') == 'deleted':
             continue
         k, v = extra['key'], extra['value']
-        if k in exclude:
+        if k in exclude or k.startswith('__'):
             continue
         if subs and k in subs:
             k = subs[k]

ckan/templates/macros/form.html

@@ -226,6 +226,11 @@
   {%- set extra_html = caller() if caller -%}
   {%- do classes.append('control-custom') -%}
 
+  {# if the key starts with __ we hide it as it is a system setting #}
+  {% if (values[0] and values[0].startswith('__')) %}
+    <input id="{{ id or names[0] }}-key" type="hidden" name="{{ names[0] }}" value="{{ values[0] | empty_and_escape }}" />
+    <input id="{{ id or names[1] }}-value" type="hidden" name="{{ names[1] }}" value="{{ values[1] | empty_and_escape }}" />
+  {% else %}
   {% call input_block(label_id, label or name, error, classes, control_classes=["editor"], extra_html=extra_html, is_required=is_required) %}
     <div class="input-prepend" {{ attributes(attrs) }}>
       <label for="{{ label_id }}" class="add-on">Key</label><input id="{{ id or names[0] }}-key" type="text" name="{{ names[0] }}" value="{{ values[0] | empty_and_escape }}" placeholder="{{ placeholders[0] }}" />
@@ -237,6 +242,7 @@
       {% endif %}
     </div>
   {% endcall %}
+  {% endif %}
 {% endmacro %}
 
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