python cx_Oracle 단순 조작

#!/usr/bin/env python

import cx_Oracle
conn = cx_Oracle.connect('loge/[email protected]/prod')
c = conn.cursor()

#       ，      
list_line=[]

#       
f = open("/root/test.txt", "r")
#       ，         
line_num = 0

while True:
    #      
    line1 = f.readline()
    line_num +=1
    if line1:
        #    

        if (line_num !=1):
             line = line1.strip('
')
             #                  
             line = ",".join(line.split())
             #           
             line = line.split(",")
             print(line)
             #list_line=(','.join(line.split())).split(',')
             #list_line.append((','.join(line.split())).split(','))
             
             area = line[0]
             val1 = float(line[1])
             val2 = line[2]
             val3 = line[3]
             #       
             list_line.append((area,val1,val2,val3))
             print("area:%s,val1:%.3f,val2:%s,val3:%s"%(area,val1,val2,val3))
    else:
        break
#     
f.close()

#       
c.executemany('insert into t1(area,v1,v2,v3)  values(:1,:2,:3,:4)',list_line)
#     
conn.commit()
#    
c.close()
#   DB  
cursor.close()

>>> import cx_Oracle
>>> conn=cx_Oracle.connect('loge/[email protected]/prod') 
>>> c=conn.cursor()
>>> x=c.execute("""select * from t1""")      
>>> x.fetchone()
('China', 1.299, 0.004, 4.762, None)
>>> c.close()
>>> c=conn.cursor()
>>> c.prepare("""select * from t1 where area=:id""")
>>> x=c.execute(None,{'id':'China'})
>>> for row in x:
...   print(row)
... 
('China', 1.299, 0.004, 4.762, None)
>>> c.close()
>>> conn.close()
>>> 
>>> 
>>> #    
... 
>>> conn=cx_Oracle.connect('loge/[email protected]/prod')
>>> c=conn.cursor()
>>> str1='China'
>>> str2='      '
>>> x=c.callproc('p_demo',[str1,str2])
>>> print(str2)
      
>>> print(str1)  
China
>>> str2=c.var(cx_Oracle.STRING)     
>>> x=c.callproc('p_demo',[str1,str2])
>>> print(str2)                       

>>> print(str2.getvalue)

>>> print(str2.getvalue())
China
>>> 
>>> 
>>> 
>>> #    
... 
>>> c.close()
>>> c=conn.cursor()
>>> str1='China'
>>> str2=c.callfunc('f_demo',cx_Oracle.STRING,[str1])
>>> print(str2)
China
>>> c.close()
>>> conn.colse()

CREATE OR REPLACE PROCEDURE P_DEMO(V1 IN VARCHAR2, V2 OUT VARCHAR2) IS
BEGIN
    V2 := V1;
END;



CREATE OR REPLACE FUNCTION F_DEMO(V1 VARCHAR2) RETURN VARCHAR2 IS
BEGIN
    RETURN V1;
END;