Observe given directory and tag added IPA files

ipa_dir_observer.py

import sys
import time
from subprocess import Popen
from watchdog.observers import Observer
from watchdog.events import RegexMatchingEventHandler


class IpaDirectoryEventHandler(RegexMatchingEventHandler):

    def on_modified(self, event):
        self.tag_ipa(event.src_path)

    def tag_ipa(self, ipa):
        ipa_name = ipa.split('.')[0]
        bashCommand = """cp \"{ipa}\" \"{ipa_name}_(`date +%F__%H_%M`).ipa\"""".format(**locals())
        stream = Popen(bashCommand, shell=True)
        stream.wait()


def main():
    path = sys.argv[1]
    event_handler = IpaDirectoryEventHandler(regexes=[".*/(\w|\s)+.ipa"], ignore_regexes=[])
    observer = Observer()
    observer.schedule(event_handler, path='.', recursive=True)
    observer.start()
    print "Start observing directory (%s).." % path
    try:
        while True:
            time.sleep(10)
    except KeyboardInterrupt:
        observer.stop()
    observer.join()


if __name__ == '__main__':
    main()