watchdog

codebase_watcher.py

from watchdog.observers import Observer
from watchdog.events import FileSystemEventHandler

CODE_PATH = "<codebase path>"

class WatchMyCodebase:
    # Set the directory on watch
    def __init__(self):
        self.observer = Observer()

    def run(self):
        event_handler = EventHandler()
        # recursive flag decides if watcher should collect changes in CODE_PATH directory tree.
        self.observer.schedule(event_handler, CODE_PATH, recursive=True)
        self.observer.start()
        self.observer.join()


class EventHandler(FileSystemEventHandler):
    """Handle events generated by Watchdog Observer"""

    @classmethod
    def on_any_event(cls, event):
        if event.is_directory:
            """Ignore directory level events, like creating new empty directory etc.."""
            return None

        elif event.event_type == 'modified':
            print("file under codebase directory is modified...")

if __name__ == '__main__':
    watch = WatchMyCodebase()
    watch.run()