Python API and shell utilities to monitor file system events.
pip install watchdog
| #!/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() |
from watchdog.observers.polling import PollingObserver as Observer
Observer() #polling every 1 second