How to Create a Watchdog in Python

To run this:

pip3 install -r requirements.txt
python3 controller.py --help Output:

usage: controller.py [-h] [-d WATCH_DELAY] [-r] [-p PATTERN] [--watch-directories] path

Watchdog script for watching for files & directories' changes

positional arguments:
  path

optional arguments:
  -h, --help            show this help message and exit
  -d WATCH_DELAY, --watch-delay WATCH_DELAY
                        Watch delay, default is 1
  -r, --recursive       Whether to recursively watch for the path's children, default is False
  -p PATTERN, --pattern PATTERN
                        Pattern of files to watch, default is .txt,.trc,.log
  --watch-directories   Whether to watch directories, default is True

For example, watching the path E:\watchdog recursively for log and text files:
```
python controller.py E:\watchdog --recursive -p .txt,.log
```