Fix dramatiq implementation. Add tasks.

datalab/datalab_session/tasks.py

@@ -0,0 +1,13 @@
+import dramatiq
+from datalab.datalab_session.data_operations.data_operation import available_operations
+
+#TODO: Perhaps define a pipeline that can take the output of one data operation and upload to a s3 bucket, indicate success, etc...
+
+@dramatiq.actor()
+def execute_data_operation(data_operation_name: str, input_data: dict):
+    clz = available_operations().get(data_operation_name)
+    if clz is None:
+        raise NotImplementedError("Operation not implemented!")
+    else:
+        instance = clz()
+        instance.operate(input_data)