Home page: deal with non existent repo

validata_ui/templates/home.html

@@ -17,7 +17,8 @@
         <select required name="schema_name" class="form-control">
           <option disabled selected value="">Choisissez un schéma</option>
           {% for item in section.catalog %}
-            <option value="{{ section.name }}.{{ item.name }}">{{ item.title }}</option>
+            <option {% if item.err %}disabled{% endif %}
+              value="{{ section.name }}.{{ item.name }}">{{ item.title }}</option>
           {% endfor %}
         </select>
       </div>

validata_ui/views.py

@@ -461,11 +461,17 @@ def home():
                     home_section_catalog = []
                     for schema_reference in schema_catalog.references:
                         # Loads default table schema for each schema reference
-                        table_schema = tableschema_from_url(schema_reference.get_schema_url())
-                        home_section_catalog.append({
-                            "name": schema_reference.name,
-                            "title": table_schema.descriptor.get("title") or schema_reference.name,
-                        })
+                        schema_info = {
+                            'name': schema_reference.name
+                        }
+                        try:
+                            table_schema = tableschema_from_url(schema_reference.get_schema_url())
+                        except:
+                            schema_info['err'] = True
+                            schema_info['title'] = 'Schéma "{}" non disponible'.format(schema_reference.name)
+                        else:
+                            schema_info['title'] = table_schema.descriptor.get("title") or schema_reference.name
+                        home_section_catalog.append(schema_info)
                     home_section['catalog'] = sorted(
                         home_section_catalog, key=lambda sc: strip_accents(sc['title'].lower()))