本文实例讲述了python文件的md5加密方法。分享给大家供大家参考,具体如下:
一、简单模式:
from
hashlib
import
md5
def
md5_file(name):
m
=
md5()
a_file
=
open
(name,
'rb'
)
#需要使用二进制格式读取文件内容
m.update(a_file.read())
a_file.close()
return
m.hexdigest()
if
__main__
=
=
'__init__'
:
print
md5_file(
'd:/test.txt'
)
二 、大文件速度更快一点的方式:
#!/usr/bin/python
#encoding=utf-8
import
io
import
sys
import
hashlib
import
string
def
printUsage():
print
(
'''''Usage: [python] pymd5sum.py
)
def
main():
if
(sys.argv.__len__()
=
=
2
):
#print(sys.argv[1])
m
=
hashlib.md5()
file
=
io.FileIO(sys.argv[
1
],
'r'
)
bytes
=
file
.read(
1024
)
while
(bytes !
=
b''):
m.update(bytes)
bytes
=
file
.read(
1024
)
file
.close()
#md5value = ""
md5value
=
m.hexdigest()
print
(md5value
+
"\t"
+
sys.argv[
1
])
#dest = io.FileIO(sys.argv[1]+".CHECKSUM.md5",'w')
#dest.write(md5value)
#dest.close()
else
:
printUsage()
main()
转载于脚本之家:
https://www.jb51.net/article/82001.htm