1 files changed, 9 insertions, 0 deletions
diff --git a/wqflask/utility/external.py b/wqflask/utility/external.py
new file mode 100644
index 00000000..50afea08
--- /dev/null
+++ b/wqflask/utility/external.py
@@ -0,0 +1,9 @@
+# Call external program
+
+import os
+import sys
+import subprocess
+
+def shell(command):
+    if subprocess.call(command, shell=True) != 0:
+        raise Exception("ERROR: failed on "+command)