Michael H d3f406a34a [V3 Travis] Update travis to not skip pipfile lock... (#1678)
* Update travis to not sip pipfile lock

update pipfile dependencies

additional black formatting pass to conform to black 18.5b

* .

* pin async timeout until further discussion of 3.5 support

* .
2018-05-18 17:48:22 -08:00

56 lines
1.7 KiB
Python

from pathlib import Path
from aiohttp import ClientSession
import shutil
from .audio import Audio
from .manager import start_lavalink_server
from discord.ext import commands
from redbot.core.data_manager import cog_data_path
import redbot.core
LAVALINK_DOWNLOAD_URL = (
"https://github.com/Cog-Creators/Red-DiscordBot/" "releases/download/{}/Lavalink.jar"
).format(redbot.core.__version__)
LAVALINK_DOWNLOAD_DIR = cog_data_path(raw_name="Audio")
LAVALINK_JAR_FILE = LAVALINK_DOWNLOAD_DIR / "Lavalink.jar"
APP_YML_FILE = LAVALINK_DOWNLOAD_DIR / "application.yml"
BUNDLED_APP_YML_FILE = Path(__file__).parent / "application.yml"
async def download_lavalink(session):
with LAVALINK_JAR_FILE.open(mode="wb") as f:
async with session.get(LAVALINK_DOWNLOAD_URL) as resp:
while True:
chunk = await resp.content.read(512)
if not chunk:
break
f.write(chunk)
async def maybe_download_lavalink(loop, cog):
jar_exists = LAVALINK_JAR_FILE.exists()
current_build = redbot.core.VersionInfo(*await cog.config.current_build())
session = ClientSession(loop=loop)
if not jar_exists or current_build < redbot.core.version_info:
LAVALINK_DOWNLOAD_DIR.mkdir(parents=True, exist_ok=True)
await download_lavalink(session)
await cog.config.current_build.set(redbot.core.version_info.to_json())
session.close()
shutil.copyfile(str(BUNDLED_APP_YML_FILE), str(APP_YML_FILE))
async def setup(bot: commands.Bot):
cog = Audio(bot)
if not await cog.config.use_external_lavalink():
await maybe_download_lavalink(bot.loop, cog)
await start_lavalink_server(bot.loop)
bot.add_cog(cog)
bot.loop.create_task(cog.init_config())