fetch the times for coachella streams and make a message formatted for discord

coachella_times.py

import asyncio

import aiohttp
import lxml.html
import lxml.etree
import re
import arrow


async def main():
    async with aiohttp.ClientSession() as session:
        async with session.get("https://www.coachella.com") as response:
            html = lxml.html.fromstring(await response.text())

    every = []

    for channel_div in html.cssselect("div.channel"):
        (h4,) = channel_div.cssselect("header > h4")
        channel_text = h4.text
        m = re.match(r"^Channel (\d+)$", channel_text)
        channel = int(m.group(1))
        (inner,) = channel_div.cssselect("div.channel-inner")

        for el in inner.cssselect("h5, ol"):
            if el.tag == "h5":
                date_text = el.text
                now = arrow.get(date_text, "dddd, MMMM Do", tzinfo="US/Pacific")
                now = now.replace(year=2022, hour=12 + 5)
            elif el.tag == "ol":
                for li in el.xpath('.//li[*[@class="artist"]]'):
                    (time_span,) = li.cssselect(".time")
                    time_text = time_span.text
                    time_ar = arrow.get(time_text, 'h:mm A')
                    next_time = now.replace(hour=time_ar.hour, minute=time_ar.minute)
                    if next_time < now:
                        next_time = next_time.shift(days=+1)
                    (artist_span,) = li.cssselect(".artist")
                    artist_text = artist_span.text
                    every.append((now, channel, artist_text))

    every.sort()

    for now, channel, name in every:
        print(
            f"<t:{now.int_timestamp}:t> #{channel} **{name}** <t:{now.int_timestamp}:R>"
        )


if __name__ == "__main__":
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())