获取当前所有进程 python

# -*- coding: utf-8 -*-
#!/usr/bin/env python3
'''
psutil==6.0.0
'''
import psutil
import tkinter as tk
from tkinter import ttk
import socket
# 定义一个函数来更新列表显示
def update_list():
    # 获取搜索框中的文本
    search_text = search_entry.get().lower()
    listbox.delete(0, tk.END)  # 清空 listbox
    # 根据搜索文本更新列表显示
    for index, item in enumerate(get_all_processes()):
        if search_text in item.lower():
            if search_text in item.lower():  # 如果搜索文本在进程信息中
                listbox.insert(tk.END, item)  # 将匹配的进程信息添加到 listbox
        else:
            listbox.selection_clear(index)
def end_process():
    # 获取选中的进程 ID
    selection = listbox.curselection()
    if selection:
        index = int(selection[0])
        print('索引:',index)
        selection = listbox.get(selection)
        print('selection:',selection)
        parts = selection.split(", ")
        print('parts:',parts)
        # 检查 parts 列表是否有足够的元素
        # 若get_all_processes()函数的拼接方式出现改变,这里的截取方式都需要调整
        pid_part = parts[0].split(":")[1]  # 尝试获取 PID
        pid_part = int(pid_part)  # 将 PID 转换为整数
        name_part = parts[1].split(":")[1]  # "System Idle Process"
        username_part = parts[2].split(":")[1]  # "NT AUTHORITY\SYSTEM"
        print('pid_part:',pid_part,'name_part',name_part,'username_part',username_part)
        try:
            # 通过进程 ID 结束进程
            proc = psutil.Process(pid_part)
            proc.terminate()  # 发送终止信号
            listbox.delete(index)  # 从列表中删除进程项
        except (psutil.NoSuchProcess, psutil.AccessDenied) as e:
            print(f"Error terminating process {pid_part}: {e}")
            listbox.delete(index)  # 从列表中删除进程项
      
def get_all_processes():
    # 获取当前运行的所有进程的列表
    processes = psutil.process_iter(['pid', 'name', 'username'])
    proList=[]
    for proc in processes:
        try:
            pid = proc.info['pid']
            name = proc.info['name']
            username = proc.info['username']
            # 使用 net_connections() 获取网络连接信息
            # 这里因为获取了当前进程使用的所有端口号,所以可能会拖慢程序的速度,使用过程中的体验就是突然顿了一下又好了
            ports = set()
            for conn in psutil.net_connections(kind='inet'):
                if conn.pid == pid and conn.type == socket.SOCK_STREAM and conn.status == 'ESTABLISHED':
                    ports.add(conn.laddr.port)
            ports_str = ', '.join(map(str, ports)) if ports else '无'
            process_info = f"进程ID:{pid}, 进程名:{name}, 进程所属用户名:{username}, 使用的端口号:{ports_str}"
            proList.append(process_info)
        except (psutil.NoSuchProcess, psutil.AccessDenied, psutil.ZombieProcess):
            # 忽略已经结束的进程或访问被拒绝的进程
            pass
    return proList

def center_window(window):
    screen_width = window.winfo_screenwidth()
    screen_height = window.winfo_screenheight()
    window_width = window.winfo_reqwidth()
    window_height = window.winfo_reqheight()
    x = (screen_width // 2) - (window_width // 2)
    y = (screen_height // 2) - (window_height // 2)
    window.geometry(f'+{x}+{y}')
# 创建主窗口
root = tk.Tk()
root.title("Tkinter List Search")
root.geometry("400x400")
center_window(root)
# 创建搜索框
search_frame = tk.Frame(root)
search_label = tk.Label(search_frame, text="Search:")
search_label.pack(side=tk.LEFT)
search_entry = tk.Entry(search_frame)
search_entry.pack(side=tk.LEFT, expand=True, fill=tk.X)
search_entry.bind("<Return>", lambda event: update_list())
search_frame.pack(fill=tk.X)

# 创建列表显示
listbox = tk.Listbox(root)
listbox.pack(fill=tk.BOTH, expand=True)

# 填充列表
for item in get_all_processes():
    print(item)
    listbox.insert(tk.END, item)

# 搜索框获得焦点
search_entry.focus()

# 更新列表的函数绑定到搜索框的键入事件
search_entry.bind("<KeyRelease>", lambda event: update_list())

# 创建右键菜单
right_click_menu = tk.Menu(root, tearoff=0)
end_process_item = right_click_menu.add_command(label="结束进程", command=end_process)
# 绑定右键点击事件到 Listbox
listbox.bind("<Button-3>", lambda event: right_click_menu.post(event.x_root, event.y_root))

if __name__ == "__main__":
    root.mainloop()