catch more exception

src/pyquickhelper/sphinxext/sphinx_blocref_extension.py

@@ -426,8 +426,20 @@ def process_blocref_nodes_generic(app, doctree, fromdocname, class_name,
             para = nodes.paragraph(classes=['%s-source' % class_name])
 
             # Create a target?
-            int_ids = ['index%s-%s' % (blocref_info['target']['refid'],
-                                       env.new_serialno(blocref_info['target']['refid']))]
+            try:
+                targ = blocref_info['target']
+            except KeyError as e:
+                logger = logging.getLogger("blocref")
+                logger.warning("Unable to find key 'target' in %r (e=%r)", blocref_info, e)
+                continue
+            try:
+                targ_refid = blocref_info['target']['refid']
+            except KeyError as e:
+                logger = logging.getLogger("blocref")
+                logger.warning("Unable to find key 'refid' in %r (e=%r)",
+                    targ, e)
+                continue
+            int_ids = ['index%s-%s' % (targ_refid, env.new_serialno(targ_refid))]
             int_targetnode = nodes.target(
                 blocref_info['breftitle'], '', ids=int_ids)
             para += int_targetnode