Using Python to generate MD5 file and sha1
- MD5 and SHA1 [Code] generated file
#coding=UTF-8
# www.iplaypy.com python
# XingHe Studio File to MD5 and SHA1
def fil_changefileext(filename,extname=''):
# FIL ChangeFileExt 改变文件扩展名
# filename 输入的文件路径名
# extname='' 要更改分扩展名,如 .txt
import os
try:
if extname[0]<>'.':
extname='.'+extname
except:
extname=''
if os.path.splitext(filename)[1]=='':
uouttxt=filename+'.'+extname
elif os.path.splitext(filename)[1]=='.':
uouttxt=filename+extname
else:
uouttxt=filename[:0-len(os.path.splitext(filename)[1])]+extname
return uouttxt
def fil_str2file(fstr,filename):
# FIL STR2File 把字符串保存到文件
try:
outfile=open(filename,'w')
outfile.writelines(fstr)
outfile.close()
return True
except:
return False
#系统主程序开始
#-------------------------------------------------------
if __name__ == '__main__':
import os,sys,math
# if len(sys.argv)==1:sys.argv.append(r'c:\FreeNAS-8.0.4-RELEASE-x64.iso')
if len(sys.argv)>1:
filepathname=sys.argv[1]
if os.path.isfile(filepathname) :
fmaxs = os.path.getsize(filepathname)+0.00
fpos = 0.00
ppos=0
pmax=50
pjy=0
fmd5=fil_changefileext(filepathname,'.md5')
fsha1=fil_changefileext(filepathname,'.sha')
ffm=os.path.basename(filepathname)
#开始处理
print 'Program Runing "'+filepathname+'" ...'
import hashlib
try:
umd5str = hashlib.md5()
usha1str = hashlib.sha1()
xfilepathname=unicode(filepathname,'utf8')
#需要使用二进制格式读取文件内容
ufile = file(xfilepathname,'rb')
while True:
datas = ufile.read(1024*512)
if not datas: break
umd5str.update( datas )
usha1str.update( datas )
fpos=fpos+1024*512
ppos=int(math.floor(fpos / fmaxs * 50))
pposbfh=int(math.floor(fpos / fmaxs * 100))
#打印进度条
if pjy<>ppos: print '['+'*'*ppos +'='*(pmax-ppos)+'] '+str(pposbfh) +'%'
#打印进度问题未解决,不知道print函数怎么退回到行首覆盖输出,不换行我倒是知道,加个“,”
pjy=ppos
uoutstrmd5=str(umd5str.hexdigest())
uoutstrsha1=str(usha1str.hexdigest())
ufile.close()
print ''
fil_str2file(uoutstrmd5+' *'+ffm+'\n',fmd5)
fil_str2file(uoutstrsha1+' *'+ffm+'\n',fsha1)
print 'Task is completed !' + r' [ XingHe Studio File to MD5 and SHA1 ]'
except:
print 'Error !' + r' [ XingHe Studio File to MD5 and SHA1 ]'
else:
print 'File "'+filepathname+'" not exist!'+ r' [ XingHe Studio File to MD5 and SHA1 ]'
else:
print r' [ XingHe Studio File to MD5 and SHA1 ]'
Recommended reading:
Basics zero Python's most detailed source of tutorials
2019 Python Reptile Learning Roadmap full version
Why Python can be firmly secured the first card AI Artificial Intelligence Language
Python rise, TIOBE list of programming languages a new high!