import cx_Oracle

user = 'viewer'
password = '****'
db = 'test'

def db_conn(u=user, p=password, d = db):
        return  u + "/"+ p + "@" + d

def compare_func(func, param, sql2):
        sql1 = 'select ' + func + '(' + param + ') from dual'
        try:
                connection = cx_Oracle.connect(db_conn())
                cur1 = connection.cursor()
                cur2 = connection.cursor()
                cur1.execute(sql1)
                cur2.execute(sql2)

                print 'cur1' + str(cur1.fetchall())
                print 'cur2' + str(cur2.fetchall())
                                
                if cur1.fetchone() == cur2.fetchone():
                        print "Function \n " + func + " is ok" 
                else:
                        print sql1
        except cx_Oracle.DatabaseError, exc:
                error = exc.args
                print >> sys.stderr, "Oracle-Error-Code:", error.code
                print >> sys.stderr, "Oracle-Error-Message:", error.message
        finally:                           
                cur1.close()
                cur2.close()
                connection.close()
                
compare_func('user1.sdk_person.get_personIDbyAccount', """'USER', 93028""" , """select person_id from user1.person_account where object_id= 93028 and object_class = 'USER'""")

SET SERVEROUTPUT ON
declare
cursor get_contract_id_N is
select dc.contract_id from double_contr dc, double_invoice do where seqno=145
and do.contract_id  = dc.contract_id
and do.contract_id in (4751245) 
and rownum<2;
 -- contracts double_invoice.contract_id%type;
  i_com_type double_invoice.com_type%type;
  i_auth_type double_invoice.auth_type%type;
  i_comamt double_invoice.comamt%type;
begin
FOR v_gt IN get_contract_id_N LOOP
 begin
 select do.com_type, do.auth_type, do.comamt into i_com_type, i_auth_type, i_comamt from double_invoice do
 where do.contract_id = v_gt.contract_id
 and rownum=1;
        exception when no_data_found then i_comamt := 0;
 end;
          DBMS_OUTPUT.put_line('contracts id: '||v_gt.contract_id||' comamt: '||i_comamt||' com_type:'||i_com_type||' auth_type: '||i_auth_type);
    END LOOP;
 end;

>>> import cx_Oracle
>>> con = cx_Oracle.connect('test/test@test')
>>> cur = con.cursor()
>>> cur.execute("""
begin
dbms_output.enable();
dbms_output.put_line('Hello Oracle!');
end;
""")
>>> statusVar = cur.var(cx_Oracle.NUMBER)
>>> lineVar = cur.var(cx_Oracle.STRING)
>>> cur.callproc("dbms_output.get_line", (lineVar, statusVar))
['Hello Oracle!', 0.0]