using_flask.py

from flask import Flask
from flask import request
from flask import jsonify

app = Flask(__name__)

# Creates a user
class UserObject:

    def __init__(self, name, username, password):
        self.user = username
        self.passwd = password
        self.name = name

    # instead of creating a big json object 
    # create a class and it will make it for you
    # repetitve task
    def create_user(self):
        return dict(username=self.user, password=self.passwd, name=self.name)

@app.route('/')
def hello_world():
    return 'This is the main web page but lets just focus on api eh!'

@app.route('/login', methods=['POST'])
def login():
    args = request.json
    for user in list_of_all_users['users']:
        if args['user'] == user['username'] and args['passwd'] == user['password']:
            return jsonify(user)
        else:
            return jsonify(error_msg)

@app.route('/users', methods=['GET'])
def list_users():
    return jsonify(list_of_all_users)

if __name__ == '__main__':
    # create users start
    big_bro = UserObject(name="Paramjit", username="pj123", password="123").create_user()
    me = UserObject(name="Jasmit", username="jt123", password="123").create_user()
    # creat users end
    list_of_all_users = dict(users=[big_bro, me]) # group users in a json object
    error_msg = {"error":"I don't think this is what you meant to do!"}
    app.run()