mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-12-01 22:03:46 +03:00
Use frozen dataclasses for session types
Now that 3.7 is the minimum version, we can use dataclasses.
This commit is contained in:
Lonami Exo
parent
7ea30961ae
commit
be6508dc5d
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@ -1,4 +1,4 @@
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from .types import DataCenter, ChannelState, SessionState, Entity
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from .types import DataCenter, ChannelState, SessionState, EntityType, Entity
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from abc import ABC, abstractmethod
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from typing import List, Optional
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@ -59,7 +59,7 @@ class Session(ABC):
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raise NotImplementedError
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@abstractmethod
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async def get_entity(self, ty: Optional[int], id: int) -> Optional[Entity]:
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async def get_entity(self, ty: Optional[EntityType], id: int) -> Optional[Entity]:
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"""
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Get the `Entity` with matching ``ty`` and ``id``.
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@ -67,14 +67,14 @@ class Session(ABC):
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``ty`` and ``id``, if the ``ty`` is in a given group, a matching ``access_hash`` with
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that ``id`` from within any ``ty`` in that group should be returned.
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* ``'U'`` and ``'B'`` (user and bot).
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* ``'G'`` (small group chat).
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* ``'C'``, ``'M'`` and ``'E'`` (broadcast channel, megagroup channel, and gigagroup channel).
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* `EntityType.USER` and `EntityType.BOT`.
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* `EntityType.GROUP`.
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* `EntityType.CHANNEL`, `EntityType.MEGAGROUP` and `EntityType.GIGAGROUP`.
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For example, if a ``ty`` representing a bot is stored but the asking ``ty`` is a user,
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the corresponding ``access_hash`` should still be returned.
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You may use `types.canonical_entity_type` to find out the canonical type.
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You may use ``EntityType.canonical`` to find out the canonical type.
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A ``ty`` with the value of ``None`` should be treated as "any entity with matching ID".
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"""
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@ -1,6 +1,9 @@
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from typing import Optional, Tuple
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from dataclasses import dataclass
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from enum import IntEnum
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@dataclass(frozen=True)
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class DataCenter:
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"""
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Stores the information needed to connect to a datacenter.
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@ -12,21 +15,14 @@ class DataCenter:
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"""
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__slots__ = ('id', 'ipv4', 'ipv6', 'port', 'auth')
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def __init__(
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self,
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id: int,
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ipv4: int,
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ipv6: Optional[int],
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port: int,
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auth: bytes
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):
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self.id = id
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self.ipv4 = ipv4
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self.ipv6 = ipv6
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self.port = port
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self.auth = auth
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id: int
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ipv4: int
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ipv6: Optional[int]
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port: int
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auth: bytes
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@dataclass(frozen=True)
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class SessionState:
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"""
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Stores the information needed to fetch updates and about the current user.
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@ -45,27 +41,17 @@ class SessionState:
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"""
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__slots__ = ('user_id', 'dc_id', 'bot', 'pts', 'qts', 'date', 'seq', 'takeout_id')
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def __init__(
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self,
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user_id: int,
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dc_id: int,
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bot: bool,
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pts: int,
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qts: int,
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date: int,
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seq: int,
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takeout_id: Optional[int],
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):
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self.user_id = user_id
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self.dc_id = dc_id
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self.bot = bot
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self.pts = pts
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self.qts = qts
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self.date = date
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self.seq = seq
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self.takeout_id = takeout_id
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user_id: int
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dc_id: int
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bot: bool
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pts: int
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qts: int
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date: int
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seq: int
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takeout_id: Optional[int]
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@dataclass(frozen=True)
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class ChannelState:
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"""
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Stores the information needed to fetch updates from a channel.
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@ -75,24 +61,13 @@ class ChannelState:
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"""
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__slots__ = ('channel_id', 'pts')
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def __init__(
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self,
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channel_id: int,
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pts: int
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):
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self.channel_id = channel_id
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self.pts = pts
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channel_id: int
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pts: int
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class Entity:
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class EntityType(IntEnum):
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"""
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Stores the information needed to use a certain user, chat or channel with the API.
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* ty: 8-bit number indicating the type of the entity.
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* id: 64-bit number uniquely identifying the entity among those of the same type.
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* access_hash: 64-bit number needed to use this entity with the API.
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You can rely on the ``ty`` value to be equal to the ASCII character one of:
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You can rely on the type value to be equal to the ASCII character one of:
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* 'U' (85): this entity belongs to a :tl:`User` who is not a ``bot``.
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* 'B' (66): this entity belongs to a :tl:`User` who is a ``bot``.
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@ -101,8 +76,6 @@ class Entity:
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* 'M' (77): this entity belongs to a megagroup :tl:`Channel`.
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* 'E' (69): this entity belongs to an "enormous" "gigagroup" :tl:`Channel`.
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"""
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__slots__ = ('ty', 'id', 'access_hash')
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USER = ord('U')
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BOT = ord('B')
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GROUP = ord('G')
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@ -110,48 +83,34 @@ class Entity:
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MEGAGROUP = ord('M')
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GIGAGROUP = ord('E')
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def __init__(
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self,
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ty: int,
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id: int,
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access_hash: int
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):
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self.ty = ty
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self.id = id
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self.access_hash = access_hash
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def canonical(self):
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"""
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Return the canonical version of this type.
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"""
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return _canon_entity_types[self]
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def canonical_entity_type(ty: int, *, _mapping={
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Entity.USER: Entity.USER,
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Entity.BOT: Entity.USER,
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Entity.GROUP: Entity.GROUP,
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Entity.CHANNEL: Entity.CHANNEL,
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Entity.MEGAGROUP: Entity.CHANNEL,
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Entity.GIGAGROUP: Entity.CHANNEL,
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}) -> int:
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"""
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Return the canonical version of an entity type.
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"""
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try:
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return _mapping[ty]
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except KeyError:
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ty = chr(ty) if isinstance(ty, int) else ty
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raise ValueError(f'entity type {ty!r} is not valid')
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_canon_entity_types = {
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EntityType.USER: EntityType.USER,
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EntityType.BOT: EntityType.USER,
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EntityType.GROUP: EntityType.GROUP,
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EntityType.CHANNEL: EntityType.CHANNEL,
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EntityType.MEGAGROUP: EntityType.CHANNEL,
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EntityType.GIGAGROUP: EntityType.CHANNEL,
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}
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def get_entity_type_group(ty: int, *, _mapping={
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Entity.USER: (Entity.USER, Entity.BOT),
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Entity.BOT: (Entity.USER, Entity.BOT),
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Entity.GROUP: (Entity.GROUP,),
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Entity.CHANNEL: (Entity.CHANNEL, Entity.MEGAGROUP, Entity.GIGAGROUP),
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Entity.MEGAGROUP: (Entity.CHANNEL, Entity.MEGAGROUP, Entity.GIGAGROUP),
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Entity.GIGAGROUP: (Entity.CHANNEL, Entity.MEGAGROUP, Entity.GIGAGROUP),
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}) -> Tuple[int]:
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@dataclass(frozen=True)
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class Entity:
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"""
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Return the group where an entity type belongs to.
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Stores the information needed to use a certain user, chat or channel with the API.
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* ty: 8-bit number indicating the type of the entity.
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* id: 64-bit number uniquely identifying the entity among those of the same type.
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* access_hash: 64-bit number needed to use this entity with the API.
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"""
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try:
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return _mapping[ty]
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except KeyError:
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ty = chr(ty) if isinstance(ty, int) else ty
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raise ValueError(f'entity type {ty!r} is not valid')
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__slots__ = ('ty', 'id', 'access_hash')
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ty: EntityType
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id: int
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access_hash: int
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