tool_watch_file

import os

import shutil

import time

watched_path = '/data/tmp/'

#watched_path = '/tmp/'

target_dir = '/tmp/guyu/'

watched_file = 'index-d-'

watched_files = {}

for file in os.listdir(watched_path):

    if file.startswith(watched_file):

        watched_files[file] = None

for k in watched_files.keys():

    watched_files[k] = os.path.getmtime(''.join([watched_path, k]))

while True:

    time.sleep(60)

    print('check files')

    saved_files = set(watched_files.keys())

    current_files = []

    for file in os.listdir(watched_path):

        if file.startswith(watched_file):

            current_files.append(file)

    erase = list(saved_files - set(current_files))

    for file in erase:

        if file in watched_files:

            print('delete',file)

            del watched_files[file]

    diff = list(set(current_files) - saved_files)

    if diff:

        print('diff =',diff)

        for file in diff:

            watched_files[file] = 0

    try:

        for file in watched_files.keys():

            current_modified_time = os.path.getmtime(''.join([watched_path, file]))

            #print('modifytime',current_modified_time, watched_files[file])

            test_time = current_modified_time - watched_files[file]

            if current_modified_time - watched_files[file] > 0.1:

                target_file = os.path.join(target_dir, '{}_{}'.format(file, time.strftime('%Y%m%d%H%M%S')))

                shutil.copy2(''.join([watched_path, file]), target_file)

                watched_files[file] = current_modified_time

                print('copy', target_file)

    except Exception as e:

        print(e)