Samuel Sampaio samukasmk

Soketi - Simple usage samples

Soketi is used as a websocket server to handle notifications from backend in this simple case python to frontend. Using websocket protocol.

This simple gist explain how to use it in practice.

1. Define files bellow

compose.yaml: to run socketi server using docker compose
webpage.html: the HTML page with JS code to bind socketi events
send_soketi_event.py: the python script to send socketi events to socketi server that will be arrived in webpage.html

Pandas examples of read_parquet files from s3

Credentials (from enviroment variables)

import os
import pandas as pd

# define aws credentials by os enviroment variables
os.environ['AWS_ACCESS_KEY_ID'] = '...'
os.environ['AWS_SECRET_ACCESS_KEY'] = '...'

grep_matcher.sh

#!/bin/bash
#
# grep matcher: wait to match first case and exit

grep_expression="$1"
grep_file="$2"
__matched=1

	// Helper: wait for a given number of milliseconds
	function wait(ms) {
	return new Promise(resolve => setTimeout(resolve, ms));
	}

	// Simple FIFO queue with O(1) enqueue/dequeue (amortized)
	class Queue {
	constructor() {
	this.items = [];
	this.head = 0;

	<!-- https://www.w3schools.com/howto/tryit.asp?filename=tryhow_css_loader -->

	<!DOCTYPE html>
	<html>
	<head>
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<style>
	.loader {
	border: 5px solid #f3f3f3;
	border-radius: 50%;

	import re
	import datetime
	from pymongo import MongoClient
	from bson import json_util

	# define settings
	mongodb_uri = "mongodb://<mongodb-user>:<mongodb-password>@<mongodb-host>:<mongodb-port>"
	secs_running = 3
	db_prefix = 'my-db'

	#!/bin/bash
	#
	# Desenvolvido por: Samuel Maciel Sampaio [2012.05.01]
	# Contato: <[email protected]>
	# Aka: SamukaSmk

	# Clube do Viva Linux:
	# - https://www.vivaolinux.com.br/script/(Brincando-com-Aleatoriadade)-Tarot-Randomico
	# - https://www.vivaolinux.com.br/scripts/download.php?codigo=5395 (download)

	#!/usr/bin/env python3
	#

	import json
	import argparse
	from pymongo import MongoClient

	parser = argparse.ArgumentParser(
	prog='mongodb_query_filter.py',
	description='Execute mongodb queries'

	#!/usr/bin/env python3
	#

	# https://github.com/ronf/asyncssh

	import argparse
	import asyncio
	import time

	import asyncssh

	#!/usr/bin/env python3
	#

	# https://docs.paramiko.org/en/stable/
	# https://didatica.tech/paramiko-com-python-aprenda-a-utilizar-com-exemplos-praticos/

	import argparse
	import sys
	import time