python动态加载脚本

def test_exec():
    codeBuffer = """
from ccx_modu.ccxdbapi import *
from ccx_modu.ccxfunctions import *
from ccx_modu import ccxconfig
def add(x,y):
    print(x,y)
    return x+y
def query():
    myEngine, myConn = mysql_conn(ccxconfig.SMS_CONN_DICT)
    rowSms = myConn.execute('select id from zmister').fetchone()
    if rowSms == None:
        result = 0
    else:
        result = rowSms.id
    myConn.close()
    return result
"""
    nameSpace = {}
    exec(codeBuffer, nameSpace)
    #add = nameSpace['add']
    #print(add(1,2))
    query = nameSpace['query']
    row = query()
    print(row)

if __name__ == "__main__":
    test_exec()