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automatic_update.py
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automatic_update.py
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"""Automatic Updater
This file is to prevent manual work whenever updating the bot.
If you add a breaking change (new database table/column, new files, etc)
please add a corrisponding function and decorate it.
do_early_updates() is called before bot does any setup (database, etc)
do_normal_updates() is called just before the bot logs in"""
from __future__ import annotations
import asyncio
from typing import Optional, TYPE_CHECKING, Awaitable, Callable, List, Literal
if TYPE_CHECKING:
from main import TTSBot
UpdateFunction = Callable[[TTSBot], Awaitable[Optional[bool]]]
def add_to_updates(type: Literal["early", "normal"]) -> Callable[[UpdateFunction], UpdateFunction]:
def deco(func: UpdateFunction) -> UpdateFunction:
global early_updates, normal_updates
if type == "early":
early_updates.append(func)
elif type == "normal":
normal_updates.append(func)
else:
raise TypeError("Invalid update add type!")
return func
return deco
early_updates: List[UpdateFunction] = []
normal_updates: List[UpdateFunction] = []
async def do_early_updates(bot: TTSBot):
for func in early_updates:
if await func(bot):
print(f"Completed update: {func.__name__}")
async def do_normal_updates(bot: TTSBot):
for func in normal_updates:
if await func(bot):
print(f"Completed update: {func.__name__}")
# All updates added from here
@add_to_updates("normal")
async def add_default_column(bot: TTSBot) -> bool:
result = await bot.settings.DEFAULT_SETTINGS
if result is not None:
# Default column already created
return False
await bot.pool.execute("INSERT INTO guilds(guild_id) VALUES(0)")
bot.settings.DEFAULT_SETTINGS = asyncio.create_task(
bot.pool.fetchrow("SELECT * FROM guilds WHERE guild_id = 0;")
)
return True
@add_to_updates("early")
async def make_voxpopuli_async(_: TTSBot) -> Optional[bool]:
import inspect
import voxpopuli
if inspect.iscoroutinefunction(voxpopuli.Voice.to_audio):
return False
async_branch = "git+https://github.com/hadware/voxpopuli.git@async-support"
command = ("python3", "-m", "pip", "install", "-U", async_branch)
process = await asyncio.create_subprocess_exec(*command)
await process.wait()
raise Exception("Tried to update voxpopuli, please restart the bot!")