Python 当文件被更改时,如何读取该文件?
我不知道如何同时使用看门狗脚本和读取文件脚本Python 当文件被更改时,如何读取该文件?,python,python-watchdog,Python,Python Watchdog,我不知道如何同时使用看门狗脚本和读取文件脚本 import sys import time import logging from watchdog.observers import Observer from watchdog.events import LoggingEventHandler if name == "main": logging.basicConfig(level=logging.INFO, format='%(asctime)s -
import sys
import time
import logging from watchdog.observers
import Observer from watchdog.events
import LoggingEventHandler
if name == "main":
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(message)s', datefmt='%Y-%m-%d %H:%M:%S')
path = "C:/watch"
event_handler = LoggingEventHandler()
observer = Observer()
observer.schedule(event_handler, path, recursive=True)
observer.start()
try:
while True:
time.sleep(1)
finally:
observer.stop()
observer.join()
file = open('test.txt','r')
f = file.readlines()
newList = []
for line in f:
newList.append(line[:-1])
print(newList)
您的导入不正确(语法错误),如果name==“main”:测试也不正确,请再看看中的示例。这是一个修补版本,加上下面列出的几个更改:
import sys
import time
import logging
from watchdog.observers import Observer
from watchdog.events import LoggingEventHandler
def on_modified(event_handler):
print(f'event_handler.src_path={event_handler.src_path}')
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(message)s',
datefmt='%Y-%m-%d %H:%M:%S')
path = "C:/watch"
event_handler = LoggingEventHandler()
event_handler.on_modified = on_modified
observer = Observer()
observer.schedule(event_handler, path, recursive=True)
observer.start()
try:
while True:
time.sleep(1)
finally:
observer.stop()
observer.join()
我在_modified上添加了一个回调函数(目前只进行打印),将其分配给事件处理程序的_modified函数,最后删除了对“test.txt”文件的编辑。现在应该将其放入回调函数中
您可以在回调函数中看到,
event\u handler.src\u path
是指向已修改文件的路径:此时,您可以将代码放入以读取该文件。我添加了一些换行符和缩进;请仔细检查这些缩进是否正确,并且我没有意外更改您的代码。谢谢您的帮助!