Watchdog

20 Jul 2014 Tags: python ·

Watchdog

Python API and shell utilities to monitor file system events.

pip install watchdog

Watching python file changes

#!/usr/bin/env python import os import sys import time from watchdog.observers import Observer from watchdog.events import PatternMatchingEventHandler def when_file_changed(filename): """ Unittest Monitoring with coverage filtering file - ./<projectname>/<package>/<file>.py ex. ./meow_meow/core/api.py testfile - ./tests/unit/<package>/test_<file>.py ex. ./tests/unit/core/test_api.py """ def projectname(): """ Projectname from name of current directory ('.') if there are dash '-' in its name replace to underscore '_' """ return os.path.abspath(".").rsplit("/", 1)[1].replace("-", "_") def package(filename): basename = os.path.basename(filename) if not basename.startswith("test_"): package = filename.replace("./", "").replace(".py", "") else: package = filename.replace("./tests/unit", "").replace(".py", "") package = projectname() + package.replace("/test_", "/") package = package.replace("/", ".") return package def test_file(filename): basename = os.path.basename(filename) if not basename.startswith("test_"): filename = filename.replace(projectname(), "tests/unit") filename = filename.replace(basename, "test_" + basename) return filename cls() print(os.path.abspath(filename)) args = {"package": package(filename), "testfile": test_file(filename)} cmd = "nosetests --with-coverage --cover-erase --cover-package={package}" \ " -v {testfile}".format(**args) os.system(cmd) def cls(): os.system('cls' if os.name == 'nt' else 'clear') class ModifiedHandler(PatternMatchingEventHandler): patterns = ["*.py"] # Monitor only matched patterns def on_created(self, event): """" For Vim :w - not modify that deleted and created file instead. """ when_file_changed(event.src_path) def on_modified(self, event): """ For other text-editor ex.sublime """ when_file_changed(event.src_path) if __name__ == '__main__': args = sys.argv[1:] event_handler = ModifiedHandler() observer = Observer() observer.schedule(event_handler, path=args[1] if args else '.', recursive=True) observer.start() try: while True: time.sleep(1) except KeyboardInterrupt: observer.stop() observer.join()

Watchdog over Docker (VM) via polling - Ref

from watchdog.observers.polling import PollingObserver as Observer
Observer() #polling every 1 second

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Watchdog

Watchdog

Watching python file changes

Watchdog over Docker (VM) via polling - Ref

References:

botbotbot 's blog

Search results

Watchdog

Watchdog

Watching python file changes

Watchdog over Docker (VM) via polling - Ref

References:

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