Switch from SQLAlchemy to asyncpg/aiosqlite
This commit is contained in:
Tulir Asokan
+91
-68
@@ -1,5 +1,5 @@
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# mautrix-telegram - A Matrix-Telegram puppeting bridge
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# Copyright (C) 2019 Tulir Asokan
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# Copyright (C) 2021 Tulir Asokan
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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@@ -13,96 +13,119 @@
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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from typing import Optional, Iterable, Tuple
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from __future__ import annotations
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from sqlalchemy import Column, ForeignKey, ForeignKeyConstraint, BigInteger, Integer, String, func
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from typing import Iterable, ClassVar, TYPE_CHECKING
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from asyncpg import Record
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from attr import dataclass
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from mautrix.types import UserID
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from mautrix.util.db import Base
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from mautrix.util.async_db import Database
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from ..types import TelegramID
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fake_db = Database.create("") if TYPE_CHECKING else None
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class User(Base):
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__tablename__ = "user"
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mxid: UserID = Column(String, primary_key=True)
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tgid: Optional[TelegramID] = Column(BigInteger, nullable=True, unique=True)
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tg_username: str = Column(String, nullable=True)
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tg_phone: str = Column(String, nullable=True)
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saved_contacts: int = Column(Integer, default=0, nullable=False)
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@dataclass
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class User:
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db: ClassVar[Database] = fake_db
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mxid: UserID
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tgid: TelegramID | None
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tg_username: str | None
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tg_phone: str | None
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is_bot: bool
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saved_contacts: int
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@classmethod
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def all_with_tgid(cls) -> Iterable['User']:
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return cls._select_all(cls.c.tgid != None)
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def _from_row(cls, row: Record | None) -> User | None:
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if row is None:
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return None
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return cls(**row)
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columns: ClassVar[str] = "mxid, tgid, tg_username, tg_phone, is_bot, saved_contacts"
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@classmethod
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def get_by_tgid(cls, tgid: TelegramID) -> Optional['User']:
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return cls._select_one_or_none(cls.c.tgid == tgid)
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async def get_by_tgid(cls, tgid: TelegramID) -> User | None:
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q = f'SELECT {cls.columns} FROM "user" WHERE tgid=$1'
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return cls._from_row(await cls.db.fetchrow(q, tgid))
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@classmethod
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def get_by_mxid(cls, mxid: UserID) -> Optional['User']:
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return cls._select_one_or_none(cls.c.mxid == mxid)
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async def get_by_mxid(cls, mxid: UserID) -> User | None:
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q = f'SELECT {cls.columns} FROM "user" WHERE mxid=$1'
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return cls._from_row(await cls.db.fetchrow(q, mxid))
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@classmethod
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def get_by_username(cls, username: str) -> Optional['User']:
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return cls._select_one_or_none(func.lower(cls.c.tg_username) == username)
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async def find_by_username(cls, username: str) -> User | None:
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q = f'SELECT {cls.columns} FROM "user" WHERE lower(tg_username)=$1'
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return cls._from_row(await cls.db.fetchrow(q, username.lower()))
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@classmethod
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async def all_with_tgid(cls) -> list[User]:
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q = f'SELECT {cls.columns} FROM "user" WHERE tgid IS NOT NULL'
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return [cls._from_row(row) for row in await cls.db.fetch(q)]
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async def delete(self) -> None:
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await self.db.execute('DELETE FROM "user" WHERE mxid=$1', self.mxid)
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@property
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def contacts(self) -> Iterable[TelegramID]:
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rows = self.db.execute(Contact.t.select().where(Contact.c.user == self.tgid))
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for row in rows:
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user, contact = row
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yield contact
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def _values(self):
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return (
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self.mxid, self.tgid, self.tg_username, self.tg_phone, self.is_bot, self.saved_contacts
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)
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@contacts.setter
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def contacts(self, puppets: Iterable[TelegramID]) -> None:
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with self.db.begin() as conn:
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conn.execute(Contact.t.delete().where(Contact.c.user == self.tgid))
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insert_puppets = [{"user": self.tgid, "contact": tgid} for tgid in puppets]
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if insert_puppets:
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conn.execute(Contact.t.insert(), insert_puppets)
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async def save(self) -> None:
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q = (
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'UPDATE "user" SET tgid=$2, tg_username=$3, tg_phone=$4, is_bot=$5, saved_contacts=$6 '
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'WHERE mxid=$1'
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)
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await self.db.execute(q, *self._values)
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@property
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def portals(self) -> Iterable[Tuple[TelegramID, TelegramID]]:
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rows = self.db.execute(UserPortal.t.select().where(UserPortal.c.user == self.tgid))
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for row in rows:
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user, portal, portal_receiver = row
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yield (portal, portal_receiver)
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async def insert(self) -> None:
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q = (
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'INSERT INTO "user" (mxid, tgid, tg_username, tg_phone, is_bot, saved_contacts) '
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'VALUES ($1, $2, $3, $4, $5, $6)'
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)
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await self.db.execute(q, *self._values)
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@portals.setter
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def portals(self, portals: Iterable[Tuple[TelegramID, TelegramID]]) -> None:
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with self.db.begin() as conn:
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conn.execute(UserPortal.t.delete().where(UserPortal.c.user == self.tgid))
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insert_portals = [{
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"user": self.tgid,
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"portal": tgid,
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"portal_receiver": tg_receiver
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} for tgid, tg_receiver in portals]
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if insert_portals:
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conn.execute(UserPortal.t.insert(), insert_portals)
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async def get_contacts(self) -> list[TelegramID]:
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rows = await self.db.fetch('SELECT contact FROM contact WHERE "user"=$1', self.tgid)
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return [TelegramID(row["contact"]) for row in rows]
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def delete(self) -> None:
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super().delete()
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self.portals = []
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self.contacts = []
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async def set_contacts(self, puppets: Iterable[TelegramID]) -> None:
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columns = ["user", "contact"]
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records = [(self.tgid, puppet_id) for puppet_id in puppets]
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async with self.db.acquire() as conn, conn.transaction():
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await conn.execute('DELETE FROM contact WHERE "user"=$1', self.tgid)
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if self.db.scheme == "postgres":
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await conn.copy_records_to_table("contact", records=records, columns=columns)
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else:
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q = 'INSERT INTO contact ("user", contact) VALUES ($1, $2)'
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await conn.executemany(q, records)
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async def get_portals(self) -> list[tuple[TelegramID, TelegramID]]:
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q = 'SELECT portal, portal_receiver FROM user_portal WHERE "user"=$1'
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rows = await self.db.fetch(q, self.tgid)
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return [(TelegramID(row["portal"]), TelegramID(row["portal_receiver"])) for row in rows]
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class UserPortal(Base):
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__tablename__ = "user_portal"
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async def set_portals(self, portals: Iterable[tuple[TelegramID, TelegramID]]) -> None:
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columns = ["user", "portal", "portal_receiver"]
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records = [(self.tgid, tgid, tg_receiver) for tgid, tg_receiver in portals]
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async with self.db.acquire() as conn, conn.transaction():
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await conn.execute('DELETE FROM user_portal WHERE "user"=$1', self.tgid)
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if self.db.scheme == "postgres":
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await conn.copy_records_to_table("user_portal", records=records, columns=columns)
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else:
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q = 'INSERT INTO user_portal ("user", portal, portal_receiver) VALUES ($1, $2, $3)'
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await conn.executemany(q, records)
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user: TelegramID = Column(BigInteger, ForeignKey("user.tgid", onupdate="CASCADE",
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ondelete="CASCADE"), primary_key=True)
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portal: TelegramID = Column(BigInteger, primary_key=True)
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portal_receiver: TelegramID = Column(BigInteger, primary_key=True)
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async def register_portal(self, tgid: TelegramID, tg_receiver: TelegramID) -> None:
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q = ('INSERT INTO user_portal ("user", portal, portal_receiver) VALUES ($1, $2, $3) '
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'ON CONFLICT ("user", portal, portal_receiver) DO NOTHING')
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await self.db.execute(q, self.tgid, tgid, tg_receiver)
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__table_args__ = (ForeignKeyConstraint(("portal", "portal_receiver"),
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("portal.tgid", "portal.tg_receiver"),
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onupdate="CASCADE", ondelete="CASCADE"),)
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class Contact(Base):
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__tablename__ = "contact"
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user: TelegramID = Column(BigInteger, ForeignKey("user.tgid"), primary_key=True)
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contact: TelegramID = Column(BigInteger, ForeignKey("puppet.id"), primary_key=True)
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async def unregister_portal(self, tgid: TelegramID, tg_receiver: TelegramID) -> None:
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q = 'DELETE FROM user_portal WHERE "user"=$1 AND portal=$2 AND portal_receiver=$3'
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await self.db.execute(q, self.tgid, tgid, tg_receiver)
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