ail-framework/bin/importer/abstract_importer.py

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#!/usr/bin/env python3
# -*-coding:UTF-8 -*
"""
Importer Class
================
Import Content
"""
import base64
import gzip
import logging
import logging.config
import os
import sys
from abc import ABC, abstractmethod
sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
# from ConfigLoader import ConfigLoader
from lib import ail_logger
from lib.ail_queues import AILQueue
logging.config.dictConfig(ail_logger.get_config(name='modules'))
# TODO Clean queue one object destruct
class AbstractImporter(ABC): # TODO ail queues
def __init__(self, queue=False):
"""
AIL Importer
:param queue: Allow to push messages to other modules
"""
# Module name if provided else instance className
self.name = self._name()
self.logger = logging.getLogger(f'{self.__class__.__name__}')
# Setup the I/O queues for one shot importers
if queue:
self.queue = AILQueue(self.name, 'importer_manual')
@abstractmethod
def importer(self, *args, **kwargs):
"""Importer function"""
pass
def _name(self):
"""
Returns the instance class name (ie. the Exporter Name)
"""
return self.__class__.__name__
def add_message_to_queue(self, obj, message='', queue=None):
"""
Add message to queue
:param obj: AILObject
:param message: message to send in queue
:param queue: queue name or module name
ex: add_message_to_queue(item_id, 'Mail')
"""
if not obj:
raise Exception(f'Invalid AIL object, {obj}')
obj_global_id = obj.get_global_id()
self.queue.send_message(obj_global_id, message, queue)
def get_available_queues(self):
return self.queue.get_out_queues()
@staticmethod
def b64(content):
if isinstance(content, str):
content = content.encode()
return base64.b64encode(content).decode()
@staticmethod
def create_gzip(content):
if isinstance(content, str):
content = content.encode()
return gzip.compress(content)
def b64_gzip(self, content):
try:
gziped = self.create_gzip(content)
return self.b64(gziped)
except Exception as e:
self.logger.warning(e)
return ''
def create_message(self, content, b64=False, gzipped=False, source=None):
if not source:
source = self.name
if content:
if not gzipped:
content = self.b64_gzip(content)
elif not b64:
content = self.b64(content)
if not content:
return None
if isinstance(content, bytes):
content = content.decode()
return f'{source} {content}'
else:
return f'{source}'