python使用7z解压apk包的方法

def run_shell(command,mayFreeze=False):
 def check_retcode(retcode,cmd):
 if 0 != retcode:
 print >> sys.stderr,'err executing ' + cmd + ':',retcode
 sys.exit(retcode)
 def read_close(f):
 f.seek(0)
 d = f.read()
 f.close()
 return d
 #print >> sys.stderr,'-- Executing',command
 if mayFreeze:
 tempout,temperr = tempfile.TemporaryFile(),tempfile.TemporaryFile()
 #open(os.devnull,'w')
 p = subprocess.Popen(command,stdout=tempout,stderr=temperr)
 p.wait()
 output,errout = read_close(tempout),read_close(temperr)
 else:
 p=subprocess.Popen(command,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
 output = p.stdout.read()
 p.wait()
 errout = p.stderr.read()
 p.stdout.close()
 p.stderr.close()
 #check_retcode(p.returncode,command)
 return (output.strip(),errout.strip())
#z7 is the full path to 7z.exe
#at times you have to encode the command into GBK/UTF8
run_shell(u'{0} -y -o"{1}" {2} x "{3}"'.format(z7,tempdir,icon,apk))
shutil.copy(u'{0}/{1}'.format(tempdir,os.path.basename(icon)),dst_path)