export_json.py: handle export errors

1 files changed, 6 insertions, 0 deletions

diff --git a/export_json.py b/export_json.py
index e2c20ae..370b5fe 100644
--- a/export_json.py
+++ b/export_json.py
@@ -11,6 +11,12 @@ def main():
     for (name, templates) in export.export_all(data):
         page = []
 
+        try:
+            # Force errors.
+            templates = list(templates)
+        except export.ExportFailure, e:
+            export.warn('export failed: %s: %s' % (name, e.message))
+
         for template in templates:
             tname = template.name
             values = dict(template.values)