Raaghul R raaghulr

Pub/Sub pattern with PostgreSQL's LISTEN/NOTIFY command

This is a simple chat-like program using pub-sub pattern, backed by PostgreSQL's LISTEN/NOTIFY command.

publish message to foo channel from user nickname.

$ python pub.py foo nickname
PUBLISH to channel #foo

	import os
	import asyncio
	import aiohttp # pip install aiohttp
	import aiofile # pip install aiofile

	REPORTS_FOLDER = "reports"
	FILES_PATH = os.path.join(REPORTS_FOLDER, "files")


	def download_files_from_report(urls):

	#!/usr/bin/env python

	import requests, socket

	username = ""
	password = ""
	hostname = "" # your domain name hosted in no-ip.com

	# Gets the current public IP of the host machine.
	myip = requests.get('http://api.ipify.org').text

	class TriangleView(context: Context?, attrs: AttributeSet?) : View(context, attrs) {

	val paint = Paint()
	val path = Path()

	override fun onDraw(canvas: Canvas?) {
	super.onDraw(canvas)
	canvas ?: return
	canvas.drawPath(configurePath(canvas.width.toFloat(), path), configurePaint(paint))
	}