diff --git a/oracle.py b/oracle.py
index 9a63fb0..a609622 100644
--- a/oracle.py
+++ b/oracle.py
@@ -1,16 +1,29 @@
 import cx_Oracle
 
+APP_CTX_NAMESPACE = "USERENV"
+APP_CTX_ENTRIES = [
+    ( APP_CTX_NAMESPACE, "MODULE", "modulo prueba"),
+]
 
-class OraConn:
-    def __init__(self, str_conn, conn_name=None):
-        self.conn = cx_Oracle.connect(str_conn, encoding='UTF-8')
-        self.cur = self.conn.cursor()
-        if conn_name is not None:
-            self.cur.callproc('DBMS_APPLICATION_INFO.SET_MODULE', [conn_name, None])
-        self.cur.close()
+
+class OraConn(cx_Oracle.Connection):
+    # instance can return a cursor or the whole conn
+    def __init__(self, str_conn, ret="conn", module_name=None):
+        super().__init__(str_conn, encoding='UTF-8')
+        self.cur = super().cursor()
+        self.ret = ret
+        if module_name is not None:
+            self.cur.callproc('DBMS_APPLICATION_INFO.SET_MODULE', [module_name, None])
+
+        if self.ret == "conn":
+            self.cur.close()
 
     def __enter__(self):
-        return self.conn
+        if self.ret == "cursor":
+            return self.cur
+        return self
 
     def __exit__(self, exc_type, exc_val, exc_tb):
-        self.conn.close()
+        if self.ret == "cursor":
+            return self.cur.close()
+        super().__exit__(exc_type, exc_val, exc_tb)