Add files via upload

Author: datashinobi

samples/features/machine-learning-services/python/getting-started/bike-sharing prediction/datasource.py

@@ -0,0 +1,38 @@
+from revoscalepy.computecontext.RxComputeContext import RxComputeContext
+from revoscalepy.computecontext.RxInSqlServer import RxInSqlServer
+from revoscalepy.computecontext.RxInSqlServer import RxSqlServerData
+from revoscalepy.etl.RxImport import rx_import_datasource
+
+
+class DataSource():
+
+    def __init__(self, connectionstring):
+
+         """Data source remote compute context
+
+
+                Args:
+                    connectionstring: connection string to the SQL server.
+                    
+            
+          """
+         self.__connectionstring = connectionstring
+         
+    
+
+    def loaddata(self):
+        dataSource = RxSqlServerData(sqlQuery = "select * from dbo.trainingdata", verbose=True, reportProgress =True,
+                                     connectionString = self.__connectionstring)
+
+        self.__computeContext = RxInSqlServer(connectionString = self.__connectionstring, autoCleanup = True)  
+        data = rx_import_datasource(dataSource)
+
+        return data
+
+    def getcomputecontext(self):
+ 
+        if self.__computeContext is None:
+            raise RuntimeError("Data must be loaded before requesting computecontext!")
+
+        return self.__computeContext
+