Don't fail if error loading catalog

CHANGELOG.md

+## 0.2.2
+
+Non-breaking changes:
+
+- Don't fail if error loading catalog
+
 ## 0.2.1
 
 Non-breaking changes:

validata_ui/VERSION

-0.2.1
+0.2.2

validata_ui/__init__.py

@@ -8,11 +8,12 @@ from urllib.parse import quote_plus
 import cachecontrol
 import flask
 import jinja2
-import opendataschema
 import pkg_resources
 import requests
 import tableschema
 
+import opendataschema
+
 from . import config
 
 log = logging.getLogger(__name__)
@@ -51,7 +52,12 @@ class SchemaCatalogRegistry:
     def build_schema_catalog(self, name):
         if name in self.url_map:
             catalog_url = self.url_map[name]
-            return opendataschema.SchemaCatalog(catalog_url, session=self.session)
+            try:
+                catalog = opendataschema.SchemaCatalog(catalog_url, session=self.session)
+            except requests.exceptions.RequestException as exc:
+                log.exception(exc)
+                return None
+            return catalog
         return None
 
 

validata_ui/views.py

@@ -427,6 +427,7 @@ def homepage_config_with_schema_metadata(ui_config):
         section_name = section['name']
         schema_catalog = get_schema_catalog(section_name)
         if schema_catalog is None:
+            section['catalog'] = []
             continue
         schema_list = []
         for ref in schema_catalog.references: