Python File Watcher: Trigger Actions When Files Change The Problem Manually checking if files changed or running pipelines manually slows development and operations. The Solution Build a file watcher that triggers specific actions when files are created, modified, or deleted. Complete Implementation from watchdog.observers import Observer from watchdog.events import FileSystemEventHandler import time , os , subprocess , logging logging . basicConfig ( level = logging . INFO ) class SmartFileHandler ( FileSystemEventHandler ): def __init__ ( self ): self . processed = set () # Avoid duplicate events def on_created ( self , event ): if not event . is_directory : self . handle_file ( event . src_path , " created " ) def on_modified ( self , event ): if not event . is_directory : self . handle_file ( event . src_path , " modified " ) def on_deleted ( self , event ): logging . info ( f " Deleted: { event .…