webserver preliminar

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
from flask import Flask, jsonify, request

app = Flask(__name__)

"""
alumnos = [
     {"id":1, "nombre":"Juan", "cursos":4};
     {"id":2, "nombre":"Ana", "cursos":1};
]

"""
alumnos = []

@app.route("/")
def home():
    return "<em>Hola</em> a <strong>todos</strong>"

@app.route("/admin")
def admin():
    return "<h2>En construcción...</h2>"


@app.route("/alumnos", methods=['GET','POST','PUT','DELETE'])
def get_alumnos():

    if request.method == "GET":
        return jsonify({"alumnos":alumnos})


    elif request.method == "POST":
        if not alumnos:
            id_alumno = 1
        else:
            id_alumno = alumnos[-1]['id'] + 1

        alumno = {
            'id':id_alumno,
            'nombre': request.json['nombre'],
            'cursos': request.json['cursos']
        }
        alumnos.append(alumno)
        return jsonify("Alumno añadido")


    elif request.method == "PUT":
        id_alumno = request.json['id']
        for alumno in alumnos:
            if id_alumno ==  alumno.get('id'):
                if request.json['nombre'] is not None:
                    alumno['nombre'] = request.json['nombre']
                if request.json['cursos'] is not None:
                    alumno['cursos'] = request.json['cursos']
                return jsonify("Datos modificados")
        return jsonify(f"Alumno con id={id_alumno} no encontrado")


    elif request.method == "DELETE":
        id_alumno = request.json['id']
        for alumno in alumnos:
            if id_alumno ==  alumno.get('id'):
                alumnos.remove(alumno)
                return jsonify("Alumno borrado")
        return jsonify(f"Alumno con id={id_alumno} no encontrado")


@app.route('/alumnos/<int:i>')
def ver_alumno(i):
    try:
        return jsonify({"alumno":alumnos[i-1]})
    except IndexError:
        return jsonify(f"Alumno id={i} no hallado")






if __name__ == "__main__":
    app.run(debug=True)

# LINUX
# export FLASK_APP=runserver.py
# flask run

# WINDOWS
# set FLASK_APP=runserver.py
# flask run