Tracebacks are now catchable with ignore_errors and have streamlined output. Also removes 'baby-JSON' for bash modules.

lib/ansible/inventory/script.py

@@ -138,4 +138,10 @@ class InventoryScript(object):
         except OSError, e:
             raise errors.AnsibleError("problem running %s (%s)" % (' '.join(cmd), e))
         (out, err) = sp.communicate()
-        return utils.parse_json(out)
+        if out.strip() == '':
+            return dict()
+        try:
+            return utils.parse_json(out)
+        except ValueError:
+            raise errors.AnsibleError("could not parse post variable response: %s, %s" % (cmd, out))
+