ivanleoncz

#/usr/bin/python3
""" Demonstration of logging feature for a Flask App. """

from logging.handlers import RotatingFileHandler
from flask import Flask, request, jsonify
from time import strftime

__author__ = "@ivanleoncz"

import logging

ivanleoncz

[ req ]
default_bits        = 2048
distinguished_name  = req_distinguished_name
attributes          = req_attributes
prompt              = no

[ req_distinguished_name ]
C            = MX
ST           = VE
L            = XL

ivanleoncz

package com.ivanlmj.myapp;


import android.content.Context;

import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.util.Log;

ivanleoncz

#!/usr/bin/python3
""" Determining validation of a password, against its hash. """

import bcrypt
from getpass import getpass

# simulation of hashed password stored in a DBMS (MongoDB, MySQL, SQLite, etc.)
salt = bcrypt.gensalt()
db_password = "Guido*Py2017".encode('utf-8')
db_pass_hash = bcrypt.hashpw(db_password,salt)

ivanleoncz

### Create, Read, Update and Delete

# SHOW DATABASES
> show databases
> show dbs

# DEFINE DATABASE FOR OPERATIONS
> use database_name

# CREATE DATABASE AND COLLECTIONS 

ivanleoncz

#!/usr/bin/python3
""" Demonstrating APScheduler feature for small Flask App. """

from apscheduler.schedulers.background import BackgroundScheduler
from flask import Flask

def sensor():
    """ Function for test purposes. """
    print("Scheduler is alive!")

ivanleoncz

#!/usr/bin/python3
"""  Demonstration of PyMongo usage. """

from bson.objectid import ObjectId
from datetime import datetime
from pymongo import MongoClient

__author__ = "@ivanleoncz"

ivanleoncz

""" Demonstrating SQLite3 query with data returned as JSON Array. """

from json import dumps                                                          

__author__ = "@ivanleoncz"

import sqlite3                                                                  
                                                                                
def data_as_json():                                                                 
    db = sqlite3.connect("app_db.sqlite3")                                       

ivanleoncz

#!/usr/bin/python3                                                              
""" Obtaining all form fields (dynamically) from a POST request.
$ curl http://127.0.0.1:8000/post -d "name=Nemo&country=Norway"
$ curl http://127.0.0.1:8000/data -d "company=Axos Inc.&business=IT Outsourcing"
"""                                                                             
                                                                                
from flask import abort, Flask, jsonify, request

__author__ = "@ivanleoncz"                                                      

ivanleoncz

import time

class Calc:
    """ Arithmetic Operations for two numbers, per function. """
    
    def add(self, n1, n2):
        """ Performs addition of two numbers. """
        time.sleep(5) # intentional sleep for measuring time consumed
        return n1 + n2