python-获取、查询、关闭进程

"""
获取所有进程
"""
def get_process():
    #获取当前所有的进程
    pids = psutil.pids()
    for pid in pids:
        p = psutil.Process(pid)
        process_name = p.name()
        print("Process name is: %s, pid is: %s" % (process_name, pid))

"""
    通过进程名判断该进程是否存在
"""
def isExist_Process(processname):
    print("待查找的进程："+processname)
    pids = psutil.pids()
    for pid in pids:
        p = psutil.Process(pid)
        if p.name() == processname:
            print("存在进程:"+processname)
            break
    else:
         print("not found")

"""
    通过进程名杀死进程
    taskkill /F /IM explorer.exe
"""
def kill_name(name):
    pids = psutil.pids()
    for pid in pids:
        p = psutil.Process(pid)
        if p.name() == name:
            cmd = r'taskkill /F /IM '+ name
            os.system(cmd)

"""
通过进程名启动一个进程
"""
def start_Process(name):
    os.system(name)
"""
根据exe文件名启动一个进程（非系统exe须带路径）
"""
import win32api
import psutil

def exec_process(exe_dir,exe_name):
    win32api.ShellExecute(0, 'open', exe_dir, '', '', 1)
    pids = psutil.pids()
    for pid in pids:
        if psutil.Process(pid).name() == exe_name:
            return {"pid":pid}

#杀死一个进程
def kill_process(process_name):
    pids = psutil.pids()
    for pid in pids:
        if psutil.Process(pid).name() == process_name:
            cmd = "wmic process where name='%s' call terminate" % process_name
            os.system(cmd)
            return True
    #ret = os.system('tasklist | find "Calculator.exe"')
    #print(ret)
    # if ret:
    #     # 关闭进程
    #     os.system('taskkill /F /IM TabTip.exe')
    #     #ret = os.popen('tasklist | find "TabTip.exe"')