importsubprocessdefrun_in_background(command):# 启动子进程并在后台运行process=subprocess.Popen(command,stdout=subprocess.PIPE,stderr=subprocess.PIPE)print(f"启动的进程 ID:{process.pid}")# 返回进程对象returnprocessif__name__=="__main__":command=["ping","-c","4","www.google.com"]# 在后...
run("exit 1", shell=True, check=True) Traceback (most recent call last): ... subprocess.CalledProcessError: Command 'exit 1' returned non-zero exit status 1 >>> subprocess.run(["ls", "-l", "/dev/null"], capture_output=True) CompletedProcess(args=['ls', '-l', '/dev/null']...
run(command, shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT) return("success") 代码语言:javascript 代码运行次数:0 运行 AI代码解释 outDEM = output_dir + "DEM_P.tif" outMean = temp_dir + "DEM_Mean.tif" expression = "A-B" outDiff = temp_dir + "DEM_Diff.tif" ...
run("exit 1", shell=True, check=True) Traceback (most recent call last): ... subprocess.CalledProcessError: Command 'exit 1' returned non-zero exit status 1 >>> subprocess.run(["ls", "-l", "/dev/null"], capture_output=True) CompletedProcess(args=['ls', '-l', '/dev/null']...
run("exit 1", shell=True, check=True) Traceback (most recent call last): ... subprocess.CalledProcessError: Command 'exit 1' returned non-zero exit status 1 >>> subprocess.run(["ls", "-l", "/dev/null"], capture_output=True) CompletedProcess(args=['ls', '-l', '/dev/null']...
subprocess模块允许我们启动一个新进程,并连接到它们的输入/输出/错误管道,从而获取返回值。 简单理解就是:使用我们自己的电脑去链接别人的电脑 (socket模块) 【2】使用 # windows系统默认的编码格式是:gbkimportsubprocess""" 1. 使用我们自己的电脑去链接别人的电脑 (socket模块) ...
System Command Output Write a Python program to get system command output. Sample Solution: Python Code: # Import the subprocess module to run shell commands. import subprocess # Use the 'subprocess.check_output' function to execute the 'dir' command in the shell. ...
('/run_command') def run_command(): cmd = "your_long_running_command" process = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) return f"Command is running in the background with PID {process.pid}" if __name__ == '__main__': app.run...
open(img_file) out_img = in_img.resize(desktop_size) return out_img 在这里,我们有三种策略,每种策略都使用PIL来执行它们的任务。各个策略都有一个make_background方法,接受相同的参数集。一旦选择,就可以调用适当的策略来创建正确大小的桌面图像。TiledStrategy循环遍历可以适应图像宽度和高度的输入图像数量,...
subprocess.run keeps waiting after the process termination. This happens when stdout or stderr is redirected, and the started process pass that stream to a background process. Reproduce with: import subprocess subprocess.run(["/bin/bash"...