Python DataStore.recordsReadyToEncrypt方法代码示例

# 需要导入模块: from datastore import DataStore [as 别名]
# 或者: from datastore.DataStore import recordsReadyToEncrypt [as 别名]
def encrypt(dbPath):
	'''
	This process examines the database pointed to by dbPath. It 
	Looks for any records which have status 2 and has had a hash value calculated for it.
	'''
	logging = DefaultLogger()

	if not os.path.exists(dbPath):
		logging.debug('can\'t find database at path')
		return

	datastore = DataStore(dbPath)
	loopcount = 0

	while True:
		sleep(5)

		if loopcount % 10 == 0:
			logging.debug('Encryptor Process is alive')
		loopcount += 1

		data = datastore.recordsReadyToEncrypt()
		for record in data:
			logging.debug(record)

			key_id = record.id
			filePath = record.fileName	
			pathStructureName = record.pathStructureName

			if not os.path.exists(filePath):
				logging.debug('Encryptor: will update record status as the file no longer exists')
				datastore.updateRecordAsMissingWithID(key_id)
			else:
				options = configurationOptions()
				currentPathStructure = options.pathStructureWithName(pathStructureName)
				encryptionErrorPath = currentPathStructure['errorBox']
				encryptionInterimPath = currentPathStructure['interimBox']

				encryptedFilePath = os.path.join(encryptionInterimPath, os.path.basename(filePath))
				encryptionStart = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
				nextStatusValue = datastore.operationCompleteStatusCode()

				options.inputPath = filePath
				options.destinationPath = os.path.dirname(encryptedFilePath)

				##UPDATE THAT ENCRYPTION STARTS HERE
				datastore.updateRecordStatusWithOperationStart(encryptionStart, key_id)

				message = 'Encryptor: encrypting file ' + filePath
				logging.debug(message)

				#there is a bug with MediaSeal when encrypting an encrypted file,
				#this checks for this so that MediaSeal doesn't blow away the file.
				returnCode = -7
				fileToEncrypt = None
				try:
					fileToEncrypt = open(filePath, 'rb')
					portalocker.lock(fileToEncrypt, portalocker.LOCK_SH)
					returnCode = singleShotEncryptor(options)
				except Exception as e:
					logging.debug('unable to lock file')

				if fileToEncrypt is not None:
					fileToEncrypt.close()

				message = 'Encryptor: encrypted file with return code ' +  str(returnCode)
				logging.debug(message)

				encryptionStop = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")

				#try again should the connection be bad
				if returnCode == 2:
					sleep(5)
					returnCode = singleShotEncryptor(options)
					encryptionStart = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")

				#as we are encrypting single files, we can leave this logic the same
				if returnCode != 0:
					info = "There was a problem encrypting " + filePath + ". Encountered Error Code: " + str(returnCode) + ". The file will be moved to the path's Error box: " + encryptionErrorPath 
					sendFailureEmail(info)

					nextStatusValue = datastore.operationFailedStatusCode()
					encryptionStart = datetime.datetime(2000,1,1)
					encryptionStop = datetime.datetime(2000,1,1)

					if os.path.abspath(os.path.dirname(filePath)) != os.path.abspath(encryptionErrorPath):
						logging.debug('moving file to error path')
						if os.path.exists(encryptionErrorPath):
							try:
								newPath = pathAfterSafelyMovingFileToDestinationFolder(filePath, encryptionErrorPath)
							except Exception as e:
								logging.debug('Encryptor: Error moving file')
								
							nextStatusValue = datastore.errorMovingFileStatusCode()
						else:
							logging.debug('Encryptor: encryptionErrorPath doesnt exist')
							nextStatusValue = datastore.errorPathDoesntExistStatusCode()

				datastore.updateRecordStatusWithEncryptedFileNameAndStartAndEndTime(nextStatusValue, encryptedFilePath, encryptionStart, encryptionStop, key_id)