python类的问题
[code=#coding]=gbk
import os,sys
import hashlib
def sha1():
files=raw_input("Drag the file into here:")
f=open('sha1.txt','w')
if os.path.isfile(files):
f1=open(files,'rb')
sha1obj=hashlib.sha1()
sha1obj.update(f1.read())
hashs=sha1obj.hexdigest()
print hashs
f.write(hashs+'\n')
f.close()
else:
for x,y,z in os.walk(files):
for a in z:
h=os.path.join(x,a)
f1=open(h,'rb')
sha1obj=hashlib.sha1()
sha1obj.update(f1.read())
hashs=sha1obj.hexdigest()
print hashs
f.write(hashs+'\n')
f.close()
def md5():
files=raw_input("Drag the file into here:")
f=open('md5.txt','w')
if os.path.isfile(files):
f1=open(files,'rb')
md5obj=hashlib.md5()
md5obj.update(f1.read())
md5s=md5obj.hexdigest()
print md5s
f.write(md5s+'\n')
f.close()
else:
for x,y,z in os.walk(files):
for a in z:
h=os.path.join(x,a)
f1=open(h,'rb')
md5obj=hashlib.md5()
md5obj.update(f1.read())
md5s=md5obj.hexdigest()
print md5s
f.write(md5s+'\n')
f.close()
def main():
r=raw_input("please input 'sha1' or 'md5':")
if r=='sha1':
sha1()
elif r=='md5':
md5()
else:
print "error"
if __name__=='__main__':
main()
[/code]
这是个求md5值和sha1值的程序,怎么放在类中写啊?(我是想把这段代码用类的方式写出来,但本人对类和对象一直很模糊,所以希望有人能帮我转换成有含类的代码)