获取异常和权限错误：[错误 13] 权限被拒绝

问题描述

我正在使用看门狗来监控新 csv 文件的文件夹。我能够在文件夹中检测到新的 csv 文件，但无法打开/访问新的 csv 文件。由于我使用的是 Windows，因此我将保存 csv 文件的文件夹的权限更改为完全控制。但是，我收到权限被拒绝错误。还有我不明白的线程异常。这是我的代码。

import watchdog.events
import watchdog.observers
import time
import csv


class Handler(watchdog.events.PatternMatchingEventHandler):
    def __init__(self):
        # Set the patterns for PatternMatchingEventHandler
        watchdog.events.PatternMatchingEventHandler.__init__(self,patterns=['*.csv'],ignore_directories=True,case_sensitive=False)

    def on_created(self,event):
        print("Watchdog received created event - % s." % event.src_path)
        # Event is created,you can process it Now
        with open(event.src_path,'r') as csvfile:
            file = csv.reader(csvfile)
            for row in file:
                print(row)

if __name__ == "__main__":
    src_path = "C:/Users/qwert/Documents/EEWS/1/New folder"
    event_handler = Handler()
    observer = watchdog.observers.Observer()
    observer.schedule(event_handler,path=src_path,recursive=True)
    observer.start()
    try:
        while True:
            time.sleep(1)
    except KeyboardInterrupt:
        observer.stop()
    observer.join()

这是完整的回溯

C:\Python\python.exe "C:/Users/qwert/Documents/EEWS/witcher.py"
Watchdog received created event - C:/Users/qwert/Documents/EEWS/1/New 
folder\20191216114518_4845_744 .csv.
Exception in thread Thread-1:
Traceback (most recent call last):
  File "C:\Python\lib\threading.py",line 926,in _bootstrap_inner
    self.run()
  File "C:\Python\lib\site-packages\watchdog\observers\api.py",line 199,in run
    self.dispatch_events(self.event_queue,self.timeout)
  File "C:\Python\lib\site-packages\watchdog\observers\api.py",line 372,in dispatch_events
    handler.dispatch(event)
  File "C:\Python\lib\site-packages\watchdog\events.py",line 382,in dispatch
    super().dispatch(event)
  File "C:\Python\lib\site-packages\watchdog\events.py",line 266,in dispatch
    }[event.event_type](event)
  File "C:/Users/qwert/Documents/EEWS/witcher.py",line 51,in on_created
    with open(event.src_path,'r') as csvfile:
PermissionError: [Errno 13] Permission denied: 'C:/Users/Karma 
  Tensel/Documents/EEWS\\20191216114518_4845_744 .csv'


Process finished with exit code -1

当我尝试在触发创建的事件时运行某些脚本时，我不确定为什么会出现错误（线程中的异常和权限）。有人可以帮我吗？任何提示都会有所帮助，因为我感到迷茫。谢谢！

解决方法

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python watchdog