importsubprocess# 定义要执行的命令command=["ping","www.google.com"]# 创建子进程,设置stdout和stderr为PIPE以捕获输出process=subprocess.Popen(command,stdout=subprocess.PIPE,stderr=subprocess.PIPE)whileTrue:# 持续读取输出output=process.stdout.readline()ifoutput==b""andprocess.poll()isnotNone:breakifou...
defget_device_physical(): command ='adb shell wm size'result = subprocess.check_output(command.split()).decode().strip() resolution = result.split()[-1]returnresolutionprint('设备分辨率:'+str(get_device_physical())) 3: 获取设备系统日志 defcapture_android_log():# 使用adb命令获取Android系统...
第一步:执行命令 首先,我们需要使用subprocess模块来执行外部命令。以下是一个示例代码,演示如何执行外部命令并捕获输出: importsubprocessdefexecute_command(command):process=subprocess.Popen(command,stdout=subprocess.PIPE,stderr=subprocess.PIPE,shell=True)output,error=process.communicate()returnoutput.decode('utf-...
>>>subprocess.run(["ls","-l"])# doesn't capture outputCompletedProcess(args=['ls','-l'],returncode=0)>>>subprocess.run("exit 1",shell=True,check=True)Traceback(most recent call last):...subprocess.CalledProcessError:Command'exit 1'returned non-zero exit status1>>>subprocess.run(["...
from subprocess import Popen, PIPE def run_command(command): process = Popen(shlex.split(command),stdout=PIPE) st =time.time()whileTrue:output= process.stdout.readline().rstrip().decode('utf-8')ifoutput==''andprocess.poll() isnotNone:breakifoutput:print(output.strip())iftime.time() -...
使用subprocess 模块 subprocess 模块首先推荐使用的是它的 run 方法,更高级的用法可以直接使用 Popen 接口。 run 方法语法格式如下: subprocess.run(args,*,stdin=None,input=None,stdout=None,stderr=None,capture_output=False,shell=False,cwd=None,timeout=None,check=False,encoding=None,errors=None,text=None...
import subprocessclass CommandException(Exception):passdef run_cmd(command):exitcode, output = subprocess.getstatusoutput(command)if exitcode != 0:raise CommandException(output)return outputif __name__ == '__main__':cmd = "pwd"print("output: ", run_cmd(cmd))# output: /Users/myproject/...
subprocess是Python 2.4中新增的一个模块,它允许你生成新的进程,连接到它们的 input/output/error 管道,并获取它们的返回(状态)码。这个模块的目的在于替换几个旧的模块和方法,如: os.system os.spawn* 1. subprocess模块中的常用函数 说明: 在Python 3.5之后的版本中,官方文档中提倡通过subprocess.run()函数替代...
import subprocess # 运行外部命令,设置stdin为subprocess.PIPE,stdout为subprocess.PIPE,stderr为subprocess.PIPE # 这将允许我们在命令执行过程中与其进行交互 cmd = "your_command_here" process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True) # 向命...
subprocess模块的功能:用于生成子进程并与其进行交互。它可以用来执行系统命令和其他程序 获取输出 importsubprocess# 运行简单命令并获取输出# capture_output表式捕获输出流,text以字符串# Windows下运行时需要加 shell=True ,subprocess.run(['chdir'], capture_output=True, text=True,shell=True)result=subprocess....