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POFeedback on Python RSYNC script wanted
 

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  1. POFeedback on Python RSYNC script wanted
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    <p>This script appears to work great, but I'm sure this could be optimised by some of you gurus!</p> <p>Purpose of script:</p> <ul> <li>"watch" a directory for new files with particular file extension</li> <li>ensure file is not still being copied</li> <li>rsync the file to remote server</li> <li>rsync deletes the file</li> <li>script loops continuously forever</li> <li>survives internet/network outage</li> <li><p>leaves no partial file on remote server</p> <pre><code>import os import subprocess import time import logging import datetime from sys import argv if len(argv) &lt; 3: exit('Please provide two arguments - Source Destination') LOC_DIR = argv[1] REM_DIR = argv[2] POLL_INT = 10 RUN_INT = 60 FILE_EXT = '.mov' # logging setup logging.basicConfig(filename='%s' % os.path.join(LOC_DIR, '%s script.log' % datetime.datetime.now()),level=logging.DEBUG) # make an easy print and logging function def printLog(string): print '%s %s' % (datetime.datetime.now(), string) logging.info('%s %s' % (datetime.datetime.now(), string)) # get the files with absolute paths def getFiles(path): return [os.path.join(path, entry) for entry in os.listdir(path)] # check if file is still being copied (file size has changed within the poll interval) def checkSize(path): same = False while same is False: printLog("Processing '%s'" % os.path.basename(path)) printLog('Waiting %s seconds for any filesize change' % POLL_INT) size1 = os.path.getsize(path) time.sleep(POLL_INT) size2 = os.path.getsize(path) if size1 == size2: same = True printLog('File size stayed the same for %s seconds' % POLL_INT) return same else: printLog('File size change detected. Waiting a further %s seconds' % POLL_INT) # check if correct file extension def checkExt(path): if path.endswith(FILE_EXT): return True # rsync subprocess def rsyncFile(path): printLog("Syncing file '%s'" % os.path.basename(path)) try: command = ['rsync', '-a', '--remove-source-files', path, REM_DIR] p = subprocess.Popen(command, stdout=subprocess.PIPE) for line in p.stdout: printLog("rsync: '%s'" %line) p.wait() if p.returncode == 0: printLog('&lt;&lt;&lt; File synced successfully :) &gt;&gt;&gt;') elif p.returncode == 10: printLog('****** Please check your internet connection!! ****** Rsync error code: %s' % p.returncode) else: printLog('There was a problem. Error code: %s' % p.returncode) except Exception as e: logging.debug(e) # main logic def main(): all_files = getFiles(LOC_DIR) files = [] for f in all_files: if checkExt(f): files.append(f) if len(files) == 1: printLog('&lt;&lt;&lt; Found %s matching file &gt;&gt;&gt;' % len(files)) elif len(files) &gt; 1: printLog('&lt;&lt;&lt; Found %s matching files &gt;&gt;&gt;' % len(files)) for f in files: if checkSize(f): rsyncFile(f) printLog('No files found. Checking again in %s seconds' % RUN_INT) time.sleep(RUN_INT) printLog('Checking for files') main() if __name__ == "__main__": main() </code></pre></li> </ul>
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