cocos3 python 写android.mk

import os  
 
dir = 'D:/hero/Classes'
def readfile(dir):
    str=""
    first_line=1
    for f in os.listdir(dir):
        file = os.path.join(dir, f)
        if os.path.isdir(file):
            readfile(file)
        elif os.path.isfile(file):
            newfile=file
            basename=os.path.basename(newfile)
            backsuf=basename.split('.')[-1]
            if backsuf=="cpp":
                if first_line==1:
                    str+="                   ../../Classes/"+basename
                    first_line=0
                else:
                    str+="\"+"
"+"                   ../../Classes/"+basename

    print str
    return str

str_to_write=readfile(dir)
file = open('Android.mk', 'w')
file.write(str_to_write)
file.close()