Discordbot database setup inital/partial

This commit is contained in:
Jeremy Zhang 2017-05-03 22:16:49 -07:00
parent 1e1a3ab43e
commit 7762862623
5 changed files with 92 additions and 25 deletions

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discord.py
sqlalchemy-aio
sqlalchemy
asyncio_extras

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from titanembeds.bot import client
from config import config
from titanembeds import Titan
import gc
client.run(config["bot-token"])
def main():
print("Starting...")
te = Titan()
te.run()
gc.collect()
if __name__ == '__main__':
main()

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from titanembeds.bot import Titan

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from config import config
from titanembeds.database import DatabaseInterface
import discord
import aiohttp
import asyncio
client = discord.Client()
class Titan(discord.Client):
def __init__(self):
super().__init__()
self.aiosession = aiohttp.ClientSession(loop=self.loop)
self.http.user_agent += ' TitanEmbeds-Bot'
self.database = DatabaseInterface(self)
@client.event
async def on_ready():
print('Titan -- DiscordBot')
print('Logged in as the following user:')
print(client.user.name)
print(client.user.id)
print('------')
await test()
def _cleanup(self):
try:
self.loop.run_until_complete(self.logout())
except: # Can be ignored
pass
pending = asyncio.Task.all_tasks()
gathered = asyncio.gather(*pending)
try:
gathered.cancel()
self.loop.run_until_complete(gathered)
gathered.exception()
except: # Can be ignored
pass
async def test():
from titanembeds.database import db, Guilds, session
session.query(Guilds).all()
def run(self):
try:
self.loop.run_until_complete(self.start(config["bot-token"]))
except discord.errors.LoginFailure:
print("Invalid bot token in config!")
finally:
try:
self._cleanup()
except Exception as e:
print("Error in cleanup:", e)
self.loop.close()
async def on_ready(self):
print('Titan [DiscordBot]')
print('Logged in as the following user:')
print(self.user.name)
print(self.user.id)
print('------')
await self.change_presence(
game=discord.Game(name="Get your own @ https://TitanEmbeds.tk/"), status=discord.Status.online
)
try:
await self.database.connect(config["database-uri"])
except Exception:
self.logger.error("Unable to connect to specified database!")
traceback.print_exc()
await self.logout()
return

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from config import config
from sqlalchemy_aio import ASYNCIO_STRATEGY
from contextlib import contextmanager
from asyncio_extras import threadpool
import sqlalchemy as db
from sqlalchemy.engine import Engine, create_engine
from sqlalchemy.orm import sessionmaker, Session
from sqlalchemy.ext.declarative import declarative_base
Base = declarative_base()
from .guilds import Guilds
from titanembeds.database.guilds import Guilds
engine = db.create_engine(config["database-uri"])
class DatabaseInterface(object):
# Courtesy of https://github.com/SunDwarf/Jokusoramame
def __init__(self, bot):
self.bot = bot
Base.metadata.create_all(engine)
self.engine = None # type: Engine
self._sessionmaker = None # type: sessionmaker
from sqlalchemy.orm import sessionmaker
DBSession = sessionmaker()
DBSession.bind = engine
session = DBSession()
async def connect(self, dburi):
async with threadpool():
self.engine = create_engine(dburi)
self._sessionmaker = sessionmaker(bind=self.engine, expire_on_commit=False)
@contextmanager
def get_session(self) -> Session:
session = self._sessionmaker() # type: Session
try:
yield session
session.commit()
except:
session.rollback()
raise
finally:
session.close()