Python实现md5
'''
md5sum in Python
ex:
import hashlib
m = hashlib.md5('stunnel-4.48.tar.gz')
m.digest()
print m.hexdigest()
'''
try:
from hashlib import md5 #Python2.5 or later version
except:
from md5 import md5 #Python2.4 or before version
import sys
import urllib
def sumfile(fobj):
m = md5()
while True:
d = fobj.read()
if not d:
break
m.update(d)
del(d)
return m.hexdigest()
def sumstr(str):
m = md5()
m.update(str)
return m.hexdigest()
def md5sum(fname):
try:
f = urllib.urlopen(fname, 'rb')
#f = open(fname, 'rb')
except:
return False
ret = sumfile(f)
f.close()
return ret
res=md5sum('http://stunnel.cybermirror.org/stunnel-4.48.tar.gz')
print res
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