mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-23 09:53:45 +03:00
250 lines
8.1 KiB
Python
250 lines
8.1 KiB
Python
from enum import Enum
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from .abstract import Session
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from .. import utils
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from ..tl import TLObject
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from ..tl.types import (
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PeerUser, PeerChat, PeerChannel,
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InputPeerUser, InputPeerChat, InputPeerChannel,
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InputPhoto, InputDocument
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)
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class _SentFileType(Enum):
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DOCUMENT = 0
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PHOTO = 1
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@staticmethod
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def from_type(cls):
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if cls == InputDocument:
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return _SentFileType.DOCUMENT
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elif cls == InputPhoto:
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return _SentFileType.PHOTO
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else:
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raise ValueError('The cls must be either InputDocument/InputPhoto')
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class MemorySession(Session):
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def __init__(self):
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super().__init__()
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self._dc_id = 0
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self._server_address = None
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self._port = None
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self._auth_key = None
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self._takeout_id = None
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self._files = {}
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self._entities = set()
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self._update_states = {}
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def set_dc(self, dc_id, server_address, port):
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self._dc_id = dc_id or 0
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self._server_address = server_address
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self._port = port
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@property
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def dc_id(self):
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return self._dc_id
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@property
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def server_address(self):
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return self._server_address
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@property
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def port(self):
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return self._port
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@property
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def auth_key(self):
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return self._auth_key
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@auth_key.setter
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def auth_key(self, value):
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self._auth_key = value
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@property
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def takeout_id(self):
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return self._takeout_id
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@takeout_id.setter
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def takeout_id(self, value):
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self._takeout_id = value
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def get_update_state(self, entity_id):
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return self._update_states.get(entity_id, None)
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def set_update_state(self, entity_id, state):
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self._update_states[entity_id] = state
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def close(self):
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pass
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def save(self):
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pass
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def delete(self):
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pass
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def _entity_values_to_row(self, id, hash, username, phone, name):
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# While this is a simple implementation it might be overrode by,
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# other classes so they don't need to implement the plural form
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# of the method. Don't remove.
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return id, hash, username, phone, name
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def _entity_to_row(self, e):
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if not isinstance(e, TLObject):
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return
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try:
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p = utils.get_input_peer(e, allow_self=False)
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marked_id = utils.get_peer_id(p)
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except TypeError:
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return
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if isinstance(p, (InputPeerUser, InputPeerChannel)):
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if not p.access_hash:
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# Some users and channels seem to be returned without
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# an 'access_hash', meaning Telegram doesn't want you
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# to access them. This is the reason behind ensuring
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# that the 'access_hash' is non-zero. See issue #354.
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# Note that this checks for zero or None, see #392.
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return
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else:
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p_hash = p.access_hash
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elif isinstance(p, InputPeerChat):
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p_hash = 0
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else:
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return
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username = getattr(e, 'username', None) or None
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if username is not None:
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username = username.lower()
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phone = getattr(e, 'phone', None)
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name = utils.get_display_name(e) or None
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return self._entity_values_to_row(
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marked_id, p_hash, username, phone, name
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)
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def _entities_to_rows(self, tlo):
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if not isinstance(tlo, TLObject) and utils.is_list_like(tlo):
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# This may be a list of users already for instance
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entities = tlo
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else:
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entities = []
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if hasattr(tlo, 'user'):
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entities.append(tlo.user)
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if hasattr(tlo, 'chats') and utils.is_list_like(tlo.chats):
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entities.extend(tlo.chats)
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if hasattr(tlo, 'users') and utils.is_list_like(tlo.users):
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entities.extend(tlo.users)
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rows = [] # Rows to add (id, hash, username, phone, name)
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for e in entities:
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row = self._entity_to_row(e)
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if row:
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rows.append(row)
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return rows
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def process_entities(self, tlo):
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self._entities |= set(self._entities_to_rows(tlo))
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def get_entity_rows_by_phone(self, phone):
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try:
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return next((id, hash) for id, hash, _, found_phone, _
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in self._entities if found_phone == phone)
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except StopIteration:
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pass
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def get_entity_rows_by_username(self, username):
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try:
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return next((id, hash) for id, hash, found_username, _, _
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in self._entities if found_username == username)
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except StopIteration:
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pass
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def get_entity_rows_by_name(self, name):
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try:
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return next((id, hash) for id, hash, _, _, found_name
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in self._entities if found_name == name)
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except StopIteration:
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pass
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def get_entity_rows_by_id(self, id, exact=True):
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try:
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if exact:
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return next((id, hash) for found_id, hash, _, _, _
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in self._entities if found_id == id)
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else:
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ids = (
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utils.get_peer_id(PeerUser(id)),
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utils.get_peer_id(PeerChat(id)),
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utils.get_peer_id(PeerChannel(id))
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)
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return next((id, hash) for found_id, hash, _, _, _
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in self._entities if found_id in ids)
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except StopIteration:
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pass
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def get_input_entity(self, key):
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try:
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if key.SUBCLASS_OF_ID in (0xc91c90b6, 0xe669bf46, 0x40f202fd):
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# hex(crc32(b'InputPeer', b'InputUser' and b'InputChannel'))
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# We already have an Input version, so nothing else required
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return key
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# Try to early return if this key can be casted as input peer
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return utils.get_input_peer(key)
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except (AttributeError, TypeError):
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# Not a TLObject or can't be cast into InputPeer
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if isinstance(key, TLObject):
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key = utils.get_peer_id(key)
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exact = True
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else:
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exact = not isinstance(key, int) or key < 0
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result = None
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if isinstance(key, str):
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phone = utils.parse_phone(key)
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if phone:
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result = self.get_entity_rows_by_phone(phone)
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else:
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username, invite = utils.parse_username(key)
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if username and not invite:
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result = self.get_entity_rows_by_username(username)
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else:
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tup = utils.resolve_invite_link(key)[1]
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if tup:
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result = self.get_entity_rows_by_id(tup, exact=False)
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elif isinstance(key, int):
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result = self.get_entity_rows_by_id(key, exact)
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if not result and isinstance(key, str):
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result = self.get_entity_rows_by_name(key)
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if result:
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entity_id, entity_hash = result # unpack resulting tuple
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entity_id, kind = utils.resolve_id(entity_id)
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# removes the mark and returns type of entity
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if kind == PeerUser:
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return InputPeerUser(entity_id, entity_hash)
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elif kind == PeerChat:
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return InputPeerChat(entity_id)
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elif kind == PeerChannel:
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return InputPeerChannel(entity_id, entity_hash)
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else:
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raise ValueError('Could not find input entity with key ', key)
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def cache_file(self, md5_digest, file_size, instance):
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if not isinstance(instance, (InputDocument, InputPhoto)):
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raise TypeError('Cannot cache %s instance' % type(instance))
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key = (md5_digest, file_size, _SentFileType.from_type(type(instance)))
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value = (instance.id, instance.access_hash)
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self._files[key] = value
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def get_file(self, md5_digest, file_size, cls):
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key = (md5_digest, file_size, _SentFileType.from_type(cls))
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try:
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return cls(*self._files[key])
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except KeyError:
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return None
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