Python暂停线程
我对python真的很陌生,我甚至不知道这个python问题的标题是否正确。无论如何,我面临着一个错误代码,我一直在努力寻找修复在过去的几个小时。错误如下:raiseruntimeerror(“线程只能启动一次”) 现在我在谷歌上搜索错误,找到了一些解决方案。我试了两个,但都不管用。我知道您不能多次使用start函数,但是我该如何让脚本重新工作呢Python暂停线程,python,python-3.x,multithreading,tkinter,Python,Python 3.x,Multithreading,Tkinter,我对python真的很陌生,我甚至不知道这个python问题的标题是否正确。无论如何,我面临着一个错误代码,我一直在努力寻找修复在过去的几个小时。错误如下:raiseruntimeerror(“线程只能启动一次”) 现在我在谷歌上搜索错误,找到了一些解决方案。我试了两个,但都不管用。我知道您不能多次使用start函数,但是我该如何让脚本重新工作呢 import pyautogui, requests, pyperclip from pynput import mouse, keyboard fr
import pyautogui, requests, pyperclip
from pynput import mouse, keyboard
from tkinter import filedialog
url = "https://poxgur.com/"
file_path = filedialog.asksaveasfilename(defaultextension='.png')
def on_click(x, y, button, pressed):
global currentMouseX, currentMouseY
if pressed:
currentMouseX, currentMouseY = x, y
if not pressed:
mouse_listener.stop()
im = pyautogui.screenshot(region=(
currentMouseX, currentMouseY, abs(currentMouseX - x), abs(currentMouseY - y)))
im.save(file_path)
print(file_path)
files = {"file": open(file_path, "rb")}
r = requests.post(url + "api.php", files=files)
pyperclip.copy(url + r.text + ".png")
# os.remove(file_path)
mouse_listener.stop()
return False
mouse_listener = mouse.Listener(on_click=on_click)
def on_scroll_lock_release(key):
if key == keyboard.Key.scroll_lock:
if not mouse_listener.is_alive():
mouse_listener.start()
with keyboard.Listener(on_release=on_scroll_lock_release) as listener:
listener.join()
错误提示:
Unhandled exception in listener callback
Traceback (most recent call last):
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\pynput\_util\__init__.py", line 162, in inner
return f(self, *args, **kwargs)
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\pynput\keyboard\_win32.py", line 283, in _process
self.on_release(key)
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\pynput\_util\__init__.py", line 78, in inner
if f(*args) is False:
File "C:/Users/marti/Documents/PythonProjects/Acutal Projects/The 100 Projects/Screenshot2.0.py", line 33, in on_scroll_lock_release
mouse_listener.start()
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\threading.py", line 848, in start
raise RuntimeError("threads can only be started once")
RuntimeError: threads can only be started once
Traceback (most recent call last):
File "C:/Users/marti/Documents/PythonProjects/Acutal Projects/The 100 Projects/Screenshot2.0.py", line 37, in <module>
listener.join()
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\pynput\_util\__init__.py", line 210, in join
six.reraise(exc_type, exc_value, exc_traceback)
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\six.py", line 702, in reraise
raise value.with_traceback(tb)
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\pynput\_util\__init__.py", line 162, in inner
return f(self, *args, **kwargs)
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\pynput\keyboard\_win32.py", line 283, in _process
self.on_release(key)
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site-packages\pynput\_util\__init__.py", line 78, in inner
if f(*args) is False:
File "C:/Users/marti/Documents/PythonProjects/Acutal Projects/The 100 Projects/Screenshot2.0.py", line 33, in on_scroll_lock_release
mouse_listener.start()
File "C:\Users\marti\anaconda3\envs\The 100 Projects\lib\threading.py", line 848, in start
raise RuntimeError("threads can only be started once")
RuntimeError: threads can only be started once
Process finished with exit code 1
侦听器回调中未处理的异常
回溯(最近一次呼叫最后一次):
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\pynput\\u util\\uuuu init\uuu.py”,第162行,在内部
返回f(自,*args,**kwargs)
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\pynput\keyboard\\u win32.py”,第283行,在进程中
自释放(钥匙)
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\pynput\\u util\\uuuuu init\uuuu.py”,第78行,在内部
如果f(*args)为False:
文件“C:/Users/marti/Documents/PythonProjects/Acutal Projects/The 100 Projects/Screenshot2.0.py”,第33行,在on_scroll_lock_release中
鼠标\u侦听器。开始()
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\threading.py”,第848行,在start中
raise RUNTIMERROR(“线程只能启动一次”)
RuntimeError:线程只能启动一次
回溯(最近一次呼叫最后一次):
文件“C:/Users/marti/Documents/PythonProjects/Acutal Projects/The 100 Projects/Screenshot2.0.py”,第37行,在
listener.join()
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\pynput\\u util\\uuuuu init\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
六、重放(exc_类型、exc_值、exc_回溯)
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\six.py”,第702行,在reraise中
通过_回溯(tb)提升值
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\pynput\\u util\\uuuu init\uuu.py”,第162行,在内部
返回f(自,*args,**kwargs)
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\pynput\keyboard\\u win32.py”,第283行,在进程中
自释放(钥匙)
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\site packages\pynput\\u util\\uuuuu init\uuuu.py”,第78行,在内部
如果f(*args)为False:
文件“C:/Users/marti/Documents/PythonProjects/Acutal Projects/The 100 Projects/Screenshot2.0.py”,第33行,在on_scroll_lock_release中
鼠标\u侦听器。开始()
文件“C:\Users\marti\anaconda3\envs\The 100 Projects\lib\threading.py”,第848行,在start中
raise RUNTIMERROR(“线程只能启动一次”)
RuntimeError:线程只能启动一次
进程已完成,退出代码为1
一个可能的解决方案是在每次启动侦听器之前初始化一个新的侦听器 您可以按以下方式重新编写解决方案:
mouse_listener = mouse.Listener(on_click=on_click)
def on_scroll_lock_release(key):
if key == keyboard.Key.scroll_lock:
if not mouse_listener.is_alive():
mouse_listener = mouse.Listener(on_click=on_click)
mouse_listener.start()
请发布整个回溯消息。它不是立即明显的线程涉及和跟踪将帮助。会做的,对不起!我对pynput的了解还不足以解决这个问题,但是
mouse.Listener
似乎是从线程继承的。线程只能启动一次,但在多个事件上停止并启动线程。我不确定解决此问题的最佳方法。我知道,但我找不到其他方法。您可以尝试在滚动锁定释放()上的内重新创建鼠标\u侦听器
。谢谢!这很好,**但我需要做一个调整**,那就是你应该在on_scroll_lock_release函数中创建一个鼠标侦听器参数def on_scroll_lock_release(key,mouse_listener=mouse.listener(on_click=on_click)):
,这为我修复了代码!哦,是的,我忽略了一个事实,mouselistener
是一个全局变量,不能在函数中设置它的值。实现这一点的一种方法是您的方法,即将其作为参数传递给函数。另一种有效的方法是在设置变量的值之前,在函数中声明变量为global mouselistener
。