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from: Modern Web Apps in Pure Python - NeuralNine

Modern web applications in pure Python. Built on solid web foundations, not the latest fads - with FastHTML you can get started on anything from simple dashboards to scalable web applications in minutes.

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from fasthtml import common as fh


def render_person(person):
    pid = f"person-{person.pid}"

    delete_button = fh.A(
        "Delete", hx_delete=f"people/{person.pid}", hx_swap="outerHTML", target_id=pid
    )

    return fh.Li(
        delete_button,
        f"Name: {person.name}, Age: {person.age}, Job: {person.job}",
        id=pid,
    )


app, rt, people, Person = fh.fast_app(
    live=True,
    db_file="data/people.db",
    pid=int,
    name=str,
    age=int,
    job=str,
    pk="pid",
    render=render_person,
)



def form_input():
    return [
        fh.Input(id="name", placeholder="Name", name="name", hx_swap_oob="true"),
        fh.Input(
            id="age", placeholder="Age", name="age", type="number", hx_swap_oob="true"
        ),
        fh.Input(id="job", placeholder="Job", name="job", hx_swap_oob="true"),
    ]


def mock_person():
    if len(people()) == 0:
        people.insert(Person(name="Ben Parker", age=33, job="IT"))
        people.insert(Person(name="Claudia Bashirian", age=40, job="IT"))


@rt("/people", methods=["get"])
def list_people():
    mock_person()

    create_form = fh.Form(
        fh.Group(
            *form_input(),
            fh.Button("Create"),
        ),
        hx_post="/people",
        hx_swap="beforeend",
        target_id="people_list",
    )

    return fh.Div(fh.Card(fh.Ul(*people(), id="people_list"), header=create_form))


@rt("/people", methods=["post"])
def create_person(person: Person):  # type: ignore
    return people.insert(person), *form_input()


@rt("/people/{pid}", methods=["delete"])
def delete_person(pid: int):
    people.delete(pid)

    
@rt("/")
def index():
    return fh.Titled(
        "FastHTML App",
        fh.Div(fh.P("Hello World")),
        fh.A("FastHTML", href="https://fastht.ml/"),
        fh.A("Hello", href="/hello"),
    )


@rt("/hello")
def hello():
    return fh.Div(fh.P("This is the hello page"), fh.A("Home", href="/"))

@rt("/fibonacci/{n}")
def fibonacci(n: int):
    numbers = []

    a, b = 0, 1
    for _ in range(n):
        numbers.append(a)
        b, a = a, a + b

    return fh.Titled("Fibonacci Numbers", fh.Ul(*[fh.Li(num) for num in numbers]))


fh.serve()
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