subprocess

📂 Python

Using subprocess to run external programs §

References §

• The subprocess Module: Wrapping Programs With Python

Examples §

import subprocess
 
def get_current_username() -> str:  
    whoami_result = subprocess.run("whoami", capture_output=True)  
    return whoami_result.stdout.decode()

def process_count(username: str) -> int:  
	ps_command_str = "ps -u {username}".format(username=username)  
	ps_command = shlex.split(ps_command_str)  
    ps_process = subprocess.run(ps_command, stdout=subprocess.PIPE)  
    wc_process = subprocess.run("wc", input=ps_process.stdout, stdout=subprocess.PIPE)  
  
    wc_output = wc_process.stdout.decode().split(" ")  
    wc_clean_output = [item for item in wc_output if item != ""]  
    process_qty = int(wc_clean_output[0]) - 1  
    return process_qty

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📂 Python | Последнее изменение: 07.02.2024 21:00