python 遍历微信各个按钮

import time,sys
import psutil
from pywinauto.application import Application
from time import sleep
from pywinauto import mouse
from pywinauto.keyboard import send_keys
from pywinauto import keyboard
# 常用方式一：连接已有微信进程（进程号在 任务管理器-详细信息 可以查看）
def GetWeChatPID(name):
    # 获得全部进程的ID
    # pids=psutil.pids()
    pids = psutil.process_iter()
    # 遍历全部进程ID
    for pid in pids:
        if(pid.name()==name):
            # 输出进程ID
            return pid.pid
    # 没有找到则输出0
    return print('请打开微信')


pid = GetWeChatPID('WeChat.exe')
app = Application(backend='uia').connect(process=pid)
win_main_Dialog = app.window(class_name='WeChatMainWndForPC')

# 判断是否为dialog,一个微信是一个dialog，就是窗口
print(win_main_Dialog.is_dialog)

# 给控件画个红色框便于看出是哪个
#win_main_Dialog.draw_outline(colour = 'red')

# 打印当前窗口的所有controller（控件和属性）
#win_main_Dialog. print_control_identifiers(depth=None, filename=None)
#aa=win_main_Dialog.control_identifiers(depth=None, filename=None)
# 源码内部函数名链式赋值了，都能用，一样的
# print_ctrl_ids = dump_tree = print_control_identifiers

# 拿到微信主窗口
win_main_Dialog = app.window(class_name='WeChatMainWndForPC')
#win_main_Dialog1 = app.window(found_index=0,class_name='WeChatMainWndForPC').type_keys('~')
win = app[u'微信']
# 将窗口最大化
#win.maximize()
for ii in range(100):
    try:
        btn_return = win_main_Dialog.child_window(control_type='Button',found_index=ii).parent().descendants(control_type='Button')
    except:
        break
    for i in btn_return:
        print(ii,i)