Files
textual/docs/examples/guide/workers/weather03.py
Rodrigo Girão Serrão 5ee0ebfef4 Rename CSS files to TCSS.
Related issue: #3137.
2023-08-22 13:21:17 +01:00

43 lines
1.3 KiB
Python

import httpx
from rich.text import Text
from textual import work
from textual.app import App, ComposeResult
from textual.containers import VerticalScroll
from textual.widgets import Input, Static
class WeatherApp(App):
"""App to display the current weather."""
CSS_PATH = "weather.tcss"
def compose(self) -> ComposeResult:
yield Input(placeholder="Enter a City")
with VerticalScroll(id="weather-container"):
yield Static(id="weather")
async def on_input_changed(self, message: Input.Changed) -> None:
"""Called when the input changes"""
self.update_weather(message.value)
@work(exclusive=True)
async def update_weather(self, city: str) -> None:
"""Update the weather for the given city."""
weather_widget = self.query_one("#weather", Static)
if city:
# Query the network API
url = f"https://wttr.in/{city}"
async with httpx.AsyncClient() as client:
response = await client.get(url)
weather = Text.from_ansi(response.text)
weather_widget.update(weather)
else:
# No city, so just blank out the weather
weather_widget.update("")
if __name__ == "__main__":
app = WeatherApp()
app.run()