我正在尝试使用子进程模块的“Popen”方法查询 Windows 服务的状态。但我越来越
类型错误:“Popen”对象不可调用
import subprocess, codecs
def serviceStatus(RadiaService):
status = []
cmd = 'sc query ' + RadiaService
pDetails = subprocess.Popen(cmd, shell = True, stdout = subprocess.PIPE)
for item in pDetails():
status.append(item)
finalStatus = b''.join(status).decode('utf-8')
print(finalStatus)
if __name__ == '__main__':
serviceStatus('RCA')
错误跟踪:
Traceback (most recent call last):
File "C:\Alen\Cumulative RHF\Radia_Cumulative_Patch\cumulativeHotFixproject\lib\win32.py", line 39, in <module>
serviceStatus('RCA')
File "C:\Alen\Cumulative RHF\Radia_Cumulative_Patch\cumulativeHotFixproject\lib\win32.py", line 33, in serviceStatus
for item in pDetails():
TypeError: 'Popen' object is not callable
最佳答案
您似乎希望收集子流程的标准输出。您必须使用pDetails.stdout
。以下是帮助您入门的示例:
import subprocess
p = subprocess.Popen("ls -la", shell=True, stdout=subprocess.PIPE)
output = b''.join(p.stdout).decode('utf-8')
print(output)
基于此,您的代码应该如下所示:
import subprocess, codecs
def serviceStatus(RadiaService):
cmd = 'sc query ' + RadiaService
pDetails = subprocess.Popen(cmd, shell = True, stdout = subprocess.PIPE)
return b''.join(pDetails.stdout).decode('utf-8')
def main():
print(serviceStatus('RCA'))
if __name__ == '__main__':
main()
注意:您不必将输出收集到列表中,您可以直接将可迭代对象提供给连接。如果需要列表,仍然不必使用 for 循环,只需编写 status = list(pDetails.stdout)
即可。
关于python - 类型错误 : 'Popen' object is not callable,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41719307/