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Code Issues Releases Wiki Activity

Refactor Component to Component and ComponentBase

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This commit is contained in:
Bálint Bokros 2017-11-27 18:20:09 +01:00
parent d507b3d066
commit 66d684f022
2 changed files with 29 additions and 19 deletions
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27
src/components/component.py
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@ -1,31 +1,20 @@
import json
from functools import partial
import zmq
from zmq.eventloop.zmqstream import ZMQStream
from zmq.eventloop import ioloop
from config import RECEIVER_PORT, PUBLISHER_PORT
ioloop.install()
from component_base import ComponentBase
class Component:
class Component(ComponentBase):
def __init__(self, anchor, event_handler, zmq_context=None):
self.anchor = anchor
self.event_handler = event_handler
self.zmq_context = zmq_context or zmq.Context.instance()
self.zmq_sub_socket = self.zmq_context.socket(zmq.SUB)
self.zmq_sub_socket.setsockopt_string(zmq.SUBSCRIBE, anchor)
self.zmq_sub_socket.connect('tcp://localhost:{}'.format(PUBLISHER_PORT))
self.zmq_sub_stream = ZMQStream(self.zmq_sub_socket)
self.zmq_push_socket = self.zmq_context.socket(zmq.PUSH)
self.zmq_push_socket.connect('tcp://localhost:{}'.format(RECEIVER_PORT))
super().__init__(anchor, event_handler, zmq_context)
def wrapper(msg_parts, handler):
anchor, message = msg_parts
data_json = json.loads(message)
response = json.dumps(handler(data_json)).encode('utf-8')
self.zmq_push_socket.send_multipart([anchor, response])
response = handler(data_json, self)
encoded_response = json.dumps(response).encode('utf-8')
self.zmq_push_socket.send_multipart([anchor, encoded_response])
self.zmq_sub_stream.on_recv(partial(wrapper, handler=event_handler))

21
src/components/component_base.py Normal file
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@ -0,0 +1,21 @@
import zmq
from zmq.eventloop import ioloop
from zmq.eventloop.zmqstream import ZMQStream
from config import PUBLISHER_PORT, RECEIVER_PORT
ioloop.install()
class ComponentBase:
def __init__(self, anchor, event_handler, zmq_context=None):
self.anchor = anchor
self.event_handler = event_handler
self.zmq_context = zmq_context or zmq.Context.instance()
self.zmq_sub_socket = self.zmq_context.socket(zmq.SUB)
self.zmq_sub_socket.setsockopt_string(zmq.SUBSCRIBE, anchor)
self.zmq_sub_socket.connect('tcp://localhost:{}'.format(PUBLISHER_PORT))
self.zmq_sub_stream = ZMQStream(self.zmq_sub_socket)
self.zmq_push_socket = self.zmq_context.socket(zmq.PUSH)
self.zmq_push_socket.connect('tcp://localhost:{}'.format(RECEIVER_PORT))