Decorator to enforce suspend

dfhack/python/pydfhack/decorators.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+"""
+Decorators for bound classes
+"""
+from decorator import decorator
+
+@decorator
+def suspend(func, self, *args, **kw):
+    """
+    This decorator will try to suspend DF and start needed module before running func
+    """
+    if self.prepare():
+        return func(self, *args, **kw)
+    else:
+        raise Exception(u"Could not suspend/start")