import subprocess
import time
cmd = "XX"
svnlog1 = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=subprocess.PIPE)
time.sleep(0.01) #执行命令cmd, 0.01秒后结束shell子进程，停止执行命令。
svnlog1.terminate()
svnlog1.wait()
if svnlog1.stderr:
print(svnlog1.stderr.readlines())
print(svnlog1.stderr.read())
else:
print(svnlog1.stdout.readlines())
result1 = svnlog1.stdout.readlines()
print(svnlog1.stdout.readlines())
print(svnlog1.stderr.read())
print("poll:"+str(svnlog1.poll()))
print("wait:"+str(svnlog1.wait()))
print("returncode:"+str(svnlog1.returncode))
print("pid："+str(svnlog1.pid))
print("communicate:"+str(svnlog1.communicate()))
for i in result1:#Python 3里面，str在内存里是unicode表示的，需遍历数组并解码
# print(i)
print(i.decode(encoding='utf-8', errors='ignore'))
问题：'utf-8' codec can't decode byte 0xe5...
Traceback (most recent call last):
File "test_subprocess.py", line 28, in <module>
print(i.decode('utf-8'))
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe5 in position 83: unexpected end of data
解决方案：增加errors='ignore'
i.decode(encoding='utf-8', errors='ignore')
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