mirror_written_files.py

import sys
import time
import shutil
from pathlib import Path
from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler

class FileHandler(FileSystemEventHandler):
    def __init__(self, src_folder: Path, dest_folder: Path):
        self.src_folder = src_folder
        self.dest_folder = dest_folder

    def on_created(self, event):
        if event.is_directory:
            return
        
        src_path = Path(event.src_path)
        dest_path = self.dest_folder / src_path.relative_to(self.src_folder)
        
        print(f"Copying {src_path} to {dest_path}")
        dest_path.parent.mkdir(parents=True, exist_ok=True)
        try:
            shutil.copy(src_path, dest_path.parent)
        except Exception as e:
            print(f"Failed to copy file (most likely was deleted!) {src_path}")

def watch_folder(src_folder, dest_folder):
    event_handler = FileHandler(src_folder, dest_folder)
    observer = Observer()
    observer.schedule(event_handler, src_folder, recursive=True)
    observer.start()
    print("Monitoring for changes...")
    try:
        while True:
            time.sleep(1)
    except KeyboardInterrupt:
        observer.stop()
    observer.join()

if __name__ == "__main__":
    src_folder = Path(sys.argv[1] if len(sys.argv) > 1 else ".")
    dest_folder = Path("./copy" if len(sys.argv) > 1 else "../copy")
    watch_folder(src_folder, dest_folder)