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r"""
Installation requirements:
pip install trame trame-vuetify
"""
import asyncio
from trame.app import asynchronous, get_server
from trame.ui.vuetify import SinglePageLayout
from trame.widgets import vuetify
coundown_init = 10
server = get_server(client_type="vue2")
state = server.state
state.trame__title = "Coundown"
@asynchronous.task
async def start_countdown():
try:
state.countdown = int(state.countdown)
except ValueError:
state.countdown = coundown_init
while state.countdown > 0:
with state:
await asyncio.sleep(0.5)
state.countdown -= 1
with SinglePageLayout(server) as layout:
layout.title.set_text("Countdown")
with layout.toolbar:
vuetify.VSpacer()
vuetify.VBtn(
"Start countdown",
click=start_countdown,
)
with layout.content:
vuetify.VTextField(
v_model=("countdown", coundown_init),
classes="ma-8",
)
if __name__ == "__main__":
server.start()
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