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115 linhas
3.7 KiB
115 linhas
3.7 KiB
#!/usr/bin/env python3
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import os
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import logging
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import string
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import hashlib
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import time
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import shutil
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class Cloner:
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def __init__(self, targetDir: str, backupDir: str):
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self.targetDir = targetDir
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self.backupDir = backupDir
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self.interval = 1
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def handleDir(self, dirPath: str):
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backupDirPath = dirPath.replace(self.targetDir, self.backupDir)
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if not os.path.isdir(backupDirPath):
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os.mkdir(backupDirPath)
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with os.scandir(dirPath) as it:
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for entry in it:
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if entry.is_dir():
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self.handleDir(entry.path)
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elif entry.is_file():
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self.handleFile(entry.path)
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def handleFile(self, targetFileName: str):
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cloneFileName = targetFileName.replace(self.targetDir, self.backupDir)
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cloneHashFileName = cloneFileName + '.md5'
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if os.path.exists(cloneFileName):
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with open(cloneHashFileName, 'r') as cloneHashFile, open(targetFileName, 'rb') as targetFile:
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cloneHashFileContent = cloneHashFile.read()
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targetFileContent = targetFile.read()
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realHash = hashlib.md5(targetFileContent).hexdigest()
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if realHash != cloneHashFileContent:
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shutil.copyfile(cloneFileName, targetFileName)
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logging.warning(
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'{file} failed check, restoring...'.format(file=targetFileName))
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else:
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logging.info('{file} is fine'.format(file=targetFileName))
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else:
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logging.warning(
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'{file} is a new file, added to backup dir'.format(file=targetFileName))
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shutil.copyfile(targetFileName, cloneFileName)
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with open(cloneHashFileName, 'w') as cloneHashFile, open(targetFileName, 'rb') as targetFile:
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targetFileContent = targetFile.read()
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cloneHashFile.write(hashlib.md5(targetFileContent).hexdigest())
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def setLog(self, logFileName: str):
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logFormatter = logging.Formatter(
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fmt="[%(asctime)s][%(levelname)s] %(message)s",
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datefmt='%d-%b-%y %H:%M:%S')
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rootLogger = logging.getLogger()
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fileHandler = logging.FileHandler(logFileName, mode='a')
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fileHandler.setFormatter(logFormatter)
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rootLogger.addHandler(fileHandler)
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# # uncomment this to enable console logging
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# consoleHandler = logging.StreamHandler()
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# consoleHandler.setFormatter(logFormatter)
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# rootLogger.addHandler(consoleHandler)
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rootLogger.setLevel(logging.WARNING)
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def setInterval(self, interval: int):
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self.interval = interval
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def start(self):
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while True:
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self.handleDir(self.targetDir)
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time.sleep(5)
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if __name__ == "__main__":
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--target',
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metavar='PATH',
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type=str,
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required=True,
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help='directory to clone and monitor')
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parser.add_argument(
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'--backup',
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metavar='PATH',
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type=str,
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required=True,
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help='backup directory to store clone'
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)
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parser.add_argument(
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'--interval',
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metavar='SECOND',
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type=int,
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default=1,
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help='interval in second(s) which the scripts run, default is 1'
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)
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parser.add_argument(
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'--log',
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metavar='LOGFILE',
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type=str,
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default='/var/log/py-dir-watcher/log.txt',
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help='specify custom logfile target, default is \'/var/log/py-dir-watcher/log.txt\' '
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)
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args = parser.parse_args()
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app = Cloner(args.target, args.backup)
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app.setLog(args.log)
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app.setInterval(args.interval)
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app.start()
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