arthuralvim

# Create a reference folder with some data
mkdir foo
echo "hey" > foo/A.txt
echo "scm" > foo/B.txt
echo "git" > foo/C.txt

# Generate the list of hashes for each file
# -b = bare mode (strips any leading directory
#      information from displayed filenames)
md5deep -b foo/* > hashes.txt

arthuralvim

# -*- coding: utf-8 -*-

import datetime
from pytz import timezone
from pytz import utc

fmt = '%d/%m/%Y %H:%M:%S %Z'

date_utc_now = datetime.datetime.utcnow()

arthuralvim

from flask import Flask
import peewee
from flask.ext import admin
from flask.ext.admin.contrib.peewee import ModelView

app = Flask(__name__)
app.config['SECRET_KEY'] = '123456790'
db = peewee.SqliteDatabase('test.sqlite', check_same_thread=False)

class BaseModel(peewee.Model):

arthuralvim

# docker

alias doco='docker-compose'
alias doma='docker-machine'
alias doenv='printenv | grep DOCKER'
alias doim='docker images'
alias dorm='docker rm'
alias dohosts='doma ls --format "{{.Name}} {{.Active}}"'
alias domals='doma ls'
alias dormi='docker rmi'

arthuralvim

Check if $var is set using ! i.e. check if expr is false

[ ! -z "$var" ] || echo "Empty" [ ! -z "$var" ] && echo "Not empty" || echo "Empty"

[[ ! -z "$var" ]] || echo "Empty" [[ ! -z "$var" ]] && echo "Not empty" || echo "Empty"

====== The classic test command ======

arthuralvim

Tópicos Importantes sobre Boas Ferramentas de ETL

1. Conectividade com os dados

Permitir que seja possível acoplar/conectar com qualquer fonte de dados seja ela um banco de dados relacional, não relacional, uma planilha ou um webservice.

2. Performance

Processos de Extração, Transformação e Carga costumam demorar bastante devido ao poder de processamento e I/O demandados.

arthuralvim

# -*- coding: utf-8 -*-


class NoConnectionException(Exception):

    def __init__(self, message=None):
        super(NoConnectionException, self).__init__(message)
        self.message = 'No connection!'

arthuralvim

# -*- coding: utf-8 -*-

from random import shuffle
from random import sample


def sortear_partidas(duplas):
    while duplas:
        dupla = sample(duplas, 2)
        print dupla[0], 'x========x', dupla[1]

arthuralvim

#!/bin/bash

# Generates an 8 bit color table (256 colors) for
# reference purposes.

# credits for Michael.
# http://bitmote.com/index.php?post/2012/11/19/Using-ANSI-Color-Codes-to-Colorize-Your-Bash-Prompt-on-Linux

function boxcolor {
    printf "\033[48;5;$1m  \033[m "

arthuralvim

# -*- coding: utf-8 -*-


class MyClass(object):

    error_msgs = {
        'integer': "This doesn't look like an integer."
    }

    def __init__(self, default=0, raise_errors=True):