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Replace weird mixin Client classes with free-standing defs

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This should take care of the extremely precarious subclassing order.
It should also make IDEs go a lot less crazy.
Documentation and code can be kept separated.
This commit is contained in:
Lonami Exo 2021-09-11 13:33:27 +02:00
parent af201c12ba
commit f639992baa
16 changed files with 7971 additions and 6832 deletions
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27
readthedocs/misc/v2-migration-guide.rst
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@ -13,12 +13,27 @@ from Telethon version 1.x to 2.0 onwards.
User, chat and channel identifiers are now 64-bit numbers
---------------------------------------------------------
`Layer 133 <https://diff.telethon.dev/?from=132&to=133>`__ changed *a lot* of
identifiers from ``int`` to ``long``, meaning they will no longer fit in 32
bits, and instead require 64 bits.
`Layer 133 <https://diff.telethon.dev/?from=132&to=133>`__ changed *a lot* of identifiers from
``int`` to ``long``, meaning they will no longer fit in 32 bits, and instead require 64 bits.
If you were storing these identifiers somewhere size did matter (for example,
a database), you will need to migrate that to support the new size requirement
of 8 bytes.
If you were storing these identifiers somewhere size did matter (for example, a database), you
will need to migrate that to support the new size requirement of 8 bytes.
For the full list of types changed, please review the above link.
Many modules are now private
----------------------------
There were a lot of things which were public but should not have been. From now on, you should
only rely on things that are either publicly re-exported or defined. That is, as soon as anything
starts with an underscore (``_``) on its name, you're acknowledging that the functionality may
change even across minor version changes, and thus have your code break.
* The ``telethon.client`` module is now ``telethon._client``, meaning you should stop relying on
anything inside of it. This includes all of the subclasses that used to exist (like ``UserMethods``).
TODO REVIEW self\._\w+\(
and __signature__
and property
abs abc abstract

2
telethon/__init__.py
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@ -1,4 +1,4 @@
from .client.telegramclient import TelegramClient
from ._client.telegramclient import TelegramClient
from .network import connection
from .tl import types, functions, custom
from .tl.custom import Button

165
telethon/client/account.py
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@ -107,137 +107,40 @@ class _TakeoutClient:
return setattr(self.__client, name, value)
class AccountMethods:
def takeout(
self: 'TelegramClient',
finalize: bool = True,
*,
contacts: bool = None,
users: bool = None,
chats: bool = None,
megagroups: bool = None,
channels: bool = None,
files: bool = None,
max_file_size: bool = None) -> 'TelegramClient':
"""
Returns a :ref:`telethon-client` which calls methods behind a takeout session.
def takeout(
self: 'TelegramClient',
finalize: bool = True,
*,
contacts: bool = None,
users: bool = None,
chats: bool = None,
megagroups: bool = None,
channels: bool = None,
files: bool = None,
max_file_size: bool = None) -> 'TelegramClient':
request_kwargs = dict(
contacts=contacts,
message_users=users,
message_chats=chats,
message_megagroups=megagroups,
message_channels=channels,
files=files,
file_max_size=max_file_size
)
arg_specified = (arg is not None for arg in request_kwargs.values())
It does so by creating a proxy object over the current client through
which making requests will use :tl:`InvokeWithTakeoutRequest` to wrap
them. In other words, returns the current client modified so that
requests are done as a takeout:
if self.session.takeout_id is None or any(arg_specified):
request = functions.account.InitTakeoutSessionRequest(
**request_kwargs)
else:
request = None
Some of the calls made through the takeout session will have lower
flood limits. This is useful if you want to export the data from
conversations or mass-download media, since the rate limits will
be lower. Only some requests will be affected, and you will need
to adjust the `wait_time` of methods like `client.iter_messages
<telethon.client.messages.MessageMethods.iter_messages>`.
return _TakeoutClient(finalize, self, request)
By default, all parameters are `None`, and you need to enable those
you plan to use by setting them to either `True` or `False`.
You should ``except errors.TakeoutInitDelayError as e``, since this
exception will raise depending on the condition of the session. You
can then access ``e.seconds`` to know how long you should wait for
before calling the method again.
There's also a `success` property available in the takeout proxy
object, so from the `with` body you can set the boolean result that
will be sent back to Telegram. But if it's left `None` as by
default, then the action is based on the `finalize` parameter. If
it's `True` then the takeout will be finished, and if no exception
occurred during it, then `True` will be considered as a result.
Otherwise, the takeout will not be finished and its ID will be
preserved for future usage as `client.session.takeout_id
<telethon.sessions.abstract.Session.takeout_id>`.
Arguments
finalize (`bool`):
Whether the takeout session should be finalized upon
exit or not.
contacts (`bool`):
Set to `True` if you plan on downloading contacts.
users (`bool`):
Set to `True` if you plan on downloading information
from users and their private conversations with you.
chats (`bool`):
Set to `True` if you plan on downloading information
from small group chats, such as messages and media.
megagroups (`bool`):
Set to `True` if you plan on downloading information
from megagroups (channels), such as messages and media.
channels (`bool`):
Set to `True` if you plan on downloading information
from broadcast channels, such as messages and media.
files (`bool`):
Set to `True` if you plan on downloading media and
you don't only wish to export messages.
max_file_size (`int`):
The maximum file size, in bytes, that you plan
to download for each message with media.
Example
.. code-block:: python
from telethon import errors
try:
async with client.takeout() as takeout:
await client.get_messages('me') # normal call
await takeout.get_messages('me') # wrapped through takeout (less limits)
async for message in takeout.iter_messages(chat, wait_time=0):
... # Do something with the message
except errors.TakeoutInitDelayError as e:
print('Must wait', e.seconds, 'before takeout')
"""
request_kwargs = dict(
contacts=contacts,
message_users=users,
message_chats=chats,
message_megagroups=megagroups,
message_channels=channels,
files=files,
file_max_size=max_file_size
)
arg_specified = (arg is not None for arg in request_kwargs.values())
if self.session.takeout_id is None or any(arg_specified):
request = functions.account.InitTakeoutSessionRequest(
**request_kwargs)
else:
request = None
return _TakeoutClient(finalize, self, request)
async def end_takeout(self: 'TelegramClient', success: bool) -> bool:
"""
Finishes the current takeout session.
Arguments
success (`bool`):
Whether the takeout completed successfully or not.
Returns
`True` if the operation was successful, `False` otherwise.
Example
.. code-block:: python
await client.end_takeout(success=False)
"""
try:
async with _TakeoutClient(True, self, None) as takeout:
takeout.success = success
except ValueError:
return False
return True
async def end_takeout(self: 'TelegramClient', success: bool) -> bool:
try:
async with _TakeoutClient(True, self, None) as takeout:
takeout.success = success
except ValueError:
return False
return True

1041
telethon/client/auth.py
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82
telethon/client/bots.py
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@ -7,66 +7,26 @@ if typing.TYPE_CHECKING:
from .telegramclient import TelegramClient
class BotMethods:
async def inline_query(
self: 'TelegramClient',
bot: 'hints.EntityLike',
query: str,
*,
entity: 'hints.EntityLike' = None,
offset: str = None,
geo_point: 'types.GeoPoint' = None) -> custom.InlineResults:
"""
Makes an inline query to the specified bot (``@vote New Poll``).
async def inline_query(
self: 'TelegramClient',
bot: 'hints.EntityLike',
query: str,
*,
entity: 'hints.EntityLike' = None,
offset: str = None,
geo_point: 'types.GeoPoint' = None) -> custom.InlineResults:
bot = await self.get_input_entity(bot)
if entity:
peer = await self.get_input_entity(entity)
else:
peer = types.InputPeerEmpty()
Arguments
bot (`entity`):
The bot entity to which the inline query should be made.
result = await self(functions.messages.GetInlineBotResultsRequest(
bot=bot,
peer=peer,
query=query,
offset=offset or '',
geo_point=geo_point
))
query (`str`):
The query that should be made to the bot.
entity (`entity`, optional):
The entity where the inline query is being made from. Certain
bots use this to display different results depending on where
it's used, such as private chats, groups or channels.
If specified, it will also be the default entity where the
message will be sent after clicked. Otherwise, the "empty
peer" will be used, which some bots may not handle correctly.
offset (`str`, optional):
The string offset to use for the bot.
geo_point (:tl:`GeoPoint`, optional)
The geo point location information to send to the bot
for localised results. Available under some bots.
Returns
A list of `custom.InlineResult
<telethon.tl.custom.inlineresult.InlineResult>`.
Example
.. code-block:: python
# Make an inline query to @like
results = await client.inline_query('like', 'Do you like Telethon?')
# Send the first result to some chat
message = await results[0].click('TelethonOffTopic')
"""
bot = await self.get_input_entity(bot)
if entity:
peer = await self.get_input_entity(entity)
else:
peer = types.InputPeerEmpty()
result = await self(functions.messages.GetInlineBotResultsRequest(
bot=bot,
peer=peer,
query=query,
offset=offset or '',
geo_point=geo_point
))
return custom.InlineResults(self, result, entity=peer if entity else None)
return custom.InlineResults(self, result, entity=peer if entity else None)

131
telethon/client/buttons.py
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@ -4,93 +4,62 @@ from .. import utils, hints
from ..tl import types, custom
class ButtonMethods:
@staticmethod
def build_reply_markup(
buttons: 'typing.Optional[hints.MarkupLike]',
inline_only: bool = False) -> 'typing.Optional[types.TypeReplyMarkup]':
"""
Builds a :tl:`ReplyInlineMarkup` or :tl:`ReplyKeyboardMarkup` for
the given buttons.
def build_reply_markup(
buttons: 'typing.Optional[hints.MarkupLike]',
inline_only: bool = False) -> 'typing.Optional[types.TypeReplyMarkup]':
if buttons is None:
return None
Does nothing if either no buttons are provided or the provided
argument is already a reply markup.
try:
if buttons.SUBCLASS_OF_ID == 0xe2e10ef2:
return buttons # crc32(b'ReplyMarkup'):
except AttributeError:
pass
You should consider using this method if you are going to reuse
the markup very often. Otherwise, it is not necessary.
if not utils.is_list_like(buttons):
buttons = [[buttons]]
elif not buttons or not utils.is_list_like(buttons[0]):
buttons = [buttons]
This method is **not** asynchronous (don't use ``await`` on it).
is_inline = False
is_normal = False
resize = None
single_use = None
selective = None
Arguments
buttons (`hints.MarkupLike`):
The button, list of buttons, array of buttons or markup
to convert into a markup.
rows = []
for row in buttons:
current = []
for button in row:
if isinstance(button, custom.Button):
if button.resize is not None:
resize = button.resize
if button.single_use is not None:
single_use = button.single_use
if button.selective is not None:
selective = button.selective
inline_only (`bool`, optional):
Whether the buttons **must** be inline buttons only or not.
button = button.button
elif isinstance(button, custom.MessageButton):
button = button.button
Example
.. code-block:: python
inline = custom.Button._is_inline(button)
is_inline |= inline
is_normal |= not inline
from telethon import Button
if button.SUBCLASS_OF_ID == 0xbad74a3:
# 0xbad74a3 == crc32(b'KeyboardButton')
current.append(button)
markup = client.build_reply_markup(Button.inline('hi'))
# later
await client.send_message(chat, 'click me', buttons=markup)
"""
if buttons is None:
return None
if current:
rows.append(types.KeyboardButtonRow(current))
try:
if buttons.SUBCLASS_OF_ID == 0xe2e10ef2:
return buttons # crc32(b'ReplyMarkup'):
except AttributeError:
pass
if not utils.is_list_like(buttons):
buttons = [[buttons]]
elif not buttons or not utils.is_list_like(buttons[0]):
buttons = [buttons]
is_inline = False
is_normal = False
resize = None
single_use = None
selective = None
rows = []
for row in buttons:
current = []
for button in row:
if isinstance(button, custom.Button):
if button.resize is not None:
resize = button.resize
if button.single_use is not None:
single_use = button.single_use
if button.selective is not None:
selective = button.selective
button = button.button
elif isinstance(button, custom.MessageButton):
button = button.button
inline = custom.Button._is_inline(button)
is_inline |= inline
is_normal |= not inline
if button.SUBCLASS_OF_ID == 0xbad74a3:
# 0xbad74a3 == crc32(b'KeyboardButton')
current.append(button)
if current:
rows.append(types.KeyboardButtonRow(current))
if inline_only and is_normal:
raise ValueError('You cannot use non-inline buttons here')
elif is_inline == is_normal and is_normal:
raise ValueError('You cannot mix inline with normal buttons')
elif is_inline:
return types.ReplyInlineMarkup(rows)
# elif is_normal:
return types.ReplyKeyboardMarkup(
rows, resize=resize, single_use=single_use, selective=selective)
if inline_only and is_normal:
raise ValueError('You cannot use non-inline buttons here')
elif is_inline == is_normal and is_normal:
raise ValueError('You cannot mix inline with normal buttons')
elif is_inline:
return types.ReplyInlineMarkup(rows)
# elif is_normal:
return types.ReplyKeyboardMarkup(
rows, resize=resize, single_use=single_use, selective=selective)

1261
telethon/client/chats.py
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564
telethon/client/dialogs.py
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@ -136,471 +136,139 @@ class _DraftsIter(RequestIter):
return []
class DialogMethods:
def iter_dialogs(
self: 'TelegramClient',
limit: float = None,
*,
offset_date: 'hints.DateLike' = None,
offset_id: int = 0,
offset_peer: 'hints.EntityLike' = types.InputPeerEmpty(),
ignore_pinned: bool = False,
ignore_migrated: bool = False,
folder: int = None,
archived: bool = None
) -> _DialogsIter:
if archived is not None:
folder = 1 if archived else 0
# region Public methods
return _DialogsIter(
self,
limit,
offset_date=offset_date,
offset_id=offset_id,
offset_peer=offset_peer,
ignore_pinned=ignore_pinned,
ignore_migrated=ignore_migrated,
folder=folder
)
def iter_dialogs(
self: 'TelegramClient',
limit: float = None,
*,
offset_date: 'hints.DateLike' = None,
offset_id: int = 0,
offset_peer: 'hints.EntityLike' = types.InputPeerEmpty(),
ignore_pinned: bool = False,
ignore_migrated: bool = False,
folder: int = None,
archived: bool = None
) -> _DialogsIter:
"""
Iterator over the dialogs (open conversations/subscribed channels).
async def get_dialogs(self: 'TelegramClient', *args, **kwargs) -> 'hints.TotalList':
return await self.iter_dialogs(*args, **kwargs).collect()
The order is the same as the one seen in official applications
(first pinned, them from those with the most recent message to
those with the oldest message).
Arguments
limit (`int` | `None`):
How many dialogs to be retrieved as maximum. Can be set to
`None` to retrieve all dialogs. Note that this may take
whole minutes if you have hundreds of dialogs, as Telegram
will tell the library to slow down through a
``FloodWaitError``.
def iter_drafts(
self: 'TelegramClient',
entity: 'hints.EntitiesLike' = None
) -> _DraftsIter:
if entity and not utils.is_list_like(entity):
entity = (entity,)
offset_date (`datetime`, optional):
The offset date to be used.
# TODO Passing a limit here makes no sense
return _DraftsIter(self, None, entities=entity)
offset_id (`int`, optional):
The message ID to be used as an offset.
async def get_drafts(
self: 'TelegramClient',
entity: 'hints.EntitiesLike' = None
) -> 'hints.TotalList':
items = await self.iter_drafts(entity).collect()
if not entity or utils.is_list_like(entity):
return items
else:
return items[0]
offset_peer (:tl:`InputPeer`, optional):
The peer to be used as an offset.
async def edit_folder(
self: 'TelegramClient',
entity: 'hints.EntitiesLike' = None,
folder: typing.Union[int, typing.Sequence[int]] = None,
*,
unpack=None
) -> types.Updates:
if (entity is None) == (unpack is None):
raise ValueError('You can only set either entities or unpack, not both')
ignore_pinned (`bool`, optional):
Whether pinned dialogs should be ignored or not.
When set to `True`, these won't be yielded at all.
if unpack is not None:
return await self(functions.folders.DeleteFolderRequest(
folder_id=unpack
))
ignore_migrated (`bool`, optional):
Whether :tl:`Chat` that have ``migrated_to`` a :tl:`Channel`
should be included or not. By default all the chats in your
dialogs are returned, but setting this to `True` will ignore
(i.e. skip) them in the same way official applications do.
if not utils.is_list_like(entity):
entities = [await self.get_input_entity(entity)]
else:
entities = await asyncio.gather(
*(self.get_input_entity(x) for x in entity))
folder (`int`, optional):
The folder from which the dialogs should be retrieved.
if folder is None:
raise ValueError('You must specify a folder')
elif not utils.is_list_like(folder):
folder = [folder] * len(entities)
elif len(entities) != len(folder):
raise ValueError('Number of folders does not match number of entities')
If left unspecified, all dialogs (including those from
folders) will be returned.
return await self(functions.folders.EditPeerFoldersRequest([
types.InputFolderPeer(x, folder_id=y)
for x, y in zip(entities, folder)
]))
If set to ``0``, all dialogs that don't belong to any
folder will be returned.
async def delete_dialog(
self: 'TelegramClient',
entity: 'hints.EntityLike',
*,
revoke: bool = False
):
# If we have enough information (`Dialog.delete` gives it to us),
# then we know we don't have to kick ourselves in deactivated chats.
if isinstance(entity, types.Chat):
deactivated = entity.deactivated
else:
deactivated = False
If set to a folder number like ``1``, only those from
said folder will be returned.
entity = await self.get_input_entity(entity)
ty = helpers._entity_type(entity)
if ty == helpers._EntityType.CHANNEL:
return await self(functions.channels.LeaveChannelRequest(entity))
By default Telegram assigns the folder ID ``1`` to
archived chats, so you should use that if you need
to fetch the archived dialogs.
archived (`bool`, optional):
Alias for `folder`. If unspecified, all will be returned,
`False` implies ``folder=0`` and `True` implies ``folder=1``.
Yields
Instances of `Dialog <telethon.tl.custom.dialog.Dialog>`.
Example
.. code-block:: python
# Print all dialog IDs and the title, nicely formatted
async for dialog in client.iter_dialogs():
print('{:>14}: {}'.format(dialog.id, dialog.title))
"""
if archived is not None:
folder = 1 if archived else 0
return _DialogsIter(
self,
limit,
offset_date=offset_date,
offset_id=offset_id,
offset_peer=offset_peer,
ignore_pinned=ignore_pinned,
ignore_migrated=ignore_migrated,
folder=folder
)
async def get_dialogs(self: 'TelegramClient', *args, **kwargs) -> 'hints.TotalList':
"""
Same as `iter_dialogs()`, but returns a
`TotalList <telethon.helpers.TotalList>` instead.
Example
.. code-block:: python
# Get all open conversation, print the title of the first
dialogs = await client.get_dialogs()
first = dialogs[0]
print(first.title)
# Use the dialog somewhere else
await client.send_message(first, 'hi')
# Getting only non-archived dialogs (both equivalent)
non_archived = await client.get_dialogs(folder=0)
non_archived = await client.get_dialogs(archived=False)
# Getting only archived dialogs (both equivalent)
archived = await client.get_dialogs(folder=1)
archived = await client.get_dialogs(archived=True)
"""
return await self.iter_dialogs(*args, **kwargs).collect()
get_dialogs.__signature__ = inspect.signature(iter_dialogs)
def iter_drafts(
self: 'TelegramClient',
entity: 'hints.EntitiesLike' = None
) -> _DraftsIter:
"""
Iterator over draft messages.
The order is unspecified.
Arguments
entity (`hints.EntitiesLike`, optional):
The entity or entities for which to fetch the draft messages.
If left unspecified, all draft messages will be returned.
Yields
Instances of `Draft <telethon.tl.custom.draft.Draft>`.
Example
.. code-block:: python
# Clear all drafts
async for draft in client.get_drafts():
await draft.delete()
# Getting the drafts with 'bot1' and 'bot2'
async for draft in client.iter_drafts(['bot1', 'bot2']):
print(draft.text)
"""
if entity and not utils.is_list_like(entity):
entity = (entity,)
# TODO Passing a limit here makes no sense
return _DraftsIter(self, None, entities=entity)
async def get_drafts(
self: 'TelegramClient',
entity: 'hints.EntitiesLike' = None
) -> 'hints.TotalList':
"""
Same as `iter_drafts()`, but returns a list instead.
Example
.. code-block:: python
# Get drafts, print the text of the first
drafts = await client.get_drafts()
print(drafts[0].text)
# Get the draft in your chat
draft = await client.get_drafts('me')
print(drafts.text)
"""
items = await self.iter_drafts(entity).collect()
if not entity or utils.is_list_like(entity):
return items
else:
return items[0]
async def edit_folder(
self: 'TelegramClient',
entity: 'hints.EntitiesLike' = None,
folder: typing.Union[int, typing.Sequence[int]] = None,
*,
unpack=None
) -> types.Updates:
"""
Edits the folder used by one or more dialogs to archive them.
Arguments
entity (entities):
The entity or list of entities to move to the desired
archive folder.
folder (`int`):
The folder to which the dialog should be archived to.
If you want to "archive" a dialog, use ``folder=1``.
If you want to "un-archive" it, use ``folder=0``.
You may also pass a list with the same length as
`entities` if you want to control where each entity
will go.
unpack (`int`, optional):
If you want to unpack an archived folder, set this
parameter to the folder number that you want to
delete.
When you unpack a folder, all the dialogs inside are
moved to the folder number 0.
You can only use this parameter if the other two
are not set.
Returns
The :tl:`Updates` object that the request produces.
Example
.. code-block:: python
# Archiving the first 5 dialogs
dialogs = await client.get_dialogs(5)
await client.edit_folder(dialogs, 1)
# Un-archiving the third dialog (archiving to folder 0)
await client.edit_folder(dialog[2], 0)
# Moving the first dialog to folder 0 and the second to 1
dialogs = await client.get_dialogs(2)
await client.edit_folder(dialogs, [0, 1])
# Un-archiving all dialogs
await client.edit_folder(unpack=1)
"""
if (entity is None) == (unpack is None):
raise ValueError('You can only set either entities or unpack, not both')
if unpack is not None:
return await self(functions.folders.DeleteFolderRequest(
folder_id=unpack
if ty == helpers._EntityType.CHAT and not deactivated:
try:
result = await self(functions.messages.DeleteChatUserRequest(
entity.chat_id, types.InputUserSelf(), revoke_history=revoke
))
if not utils.is_list_like(entity):
entities = [await self.get_input_entity(entity)]
else:
entities = await asyncio.gather(
*(self.get_input_entity(x) for x in entity))
if folder is None:
raise ValueError('You must specify a folder')
elif not utils.is_list_like(folder):
folder = [folder] * len(entities)
elif len(entities) != len(folder):
raise ValueError('Number of folders does not match number of entities')
return await self(functions.folders.EditPeerFoldersRequest([
types.InputFolderPeer(x, folder_id=y)
for x, y in zip(entities, folder)
]))
async def delete_dialog(
self: 'TelegramClient',
entity: 'hints.EntityLike',
*,
revoke: bool = False
):
"""
Deletes a dialog (leaves a chat or channel).
This method can be used as a user and as a bot. However,
bots will only be able to use it to leave groups and channels
(trying to delete a private conversation will do nothing).
See also `Dialog.delete() <telethon.tl.custom.dialog.Dialog.delete>`.
Arguments
entity (entities):
The entity of the dialog to delete. If it's a chat or
channel, you will leave it. Note that the chat itself
is not deleted, only the dialog, because you left it.
revoke (`bool`, optional):
On private chats, you may revoke the messages from
the other peer too. By default, it's `False`. Set
it to `True` to delete the history for both.
This makes no difference for bot accounts, who can
only leave groups and channels.
Returns
The :tl:`Updates` object that the request produces,
or nothing for private conversations.
Example
.. code-block:: python
# Deleting the first dialog
dialogs = await client.get_dialogs(5)
await client.delete_dialog(dialogs[0])
# Leaving a channel by username
await client.delete_dialog('username')
"""
# If we have enough information (`Dialog.delete` gives it to us),
# then we know we don't have to kick ourselves in deactivated chats.
if isinstance(entity, types.Chat):
deactivated = entity.deactivated
else:
deactivated = False
entity = await self.get_input_entity(entity)
ty = helpers._entity_type(entity)
if ty == helpers._EntityType.CHANNEL:
return await self(functions.channels.LeaveChannelRequest(entity))
if ty == helpers._EntityType.CHAT and not deactivated:
try:
result = await self(functions.messages.DeleteChatUserRequest(
entity.chat_id, types.InputUserSelf(), revoke_history=revoke
))
except errors.PeerIdInvalidError:
# Happens if we didn't have the deactivated information
result = None
else:
except errors.PeerIdInvalidError:
# Happens if we didn't have the deactivated information
result = None
else:
result = None
if not await self.is_bot():
await self(functions.messages.DeleteHistoryRequest(entity, 0, revoke=revoke))
if not await self.is_bot():
await self(functions.messages.DeleteHistoryRequest(entity, 0, revoke=revoke))
return result
return result
def conversation(
self: 'TelegramClient',
entity: 'hints.EntityLike',
*,
timeout: float = 60,
total_timeout: float = None,
max_messages: int = 100,
exclusive: bool = True,
replies_are_responses: bool = True) -> custom.Conversation:
"""
Creates a `Conversation <telethon.tl.custom.conversation.Conversation>`
with the given entity.
def conversation(
self: 'TelegramClient',
entity: 'hints.EntityLike',
*,
timeout: float = 60,
total_timeout: float = None,
max_messages: int = 100,
exclusive: bool = True,
replies_are_responses: bool = True) -> custom.Conversation:
return custom.Conversation(
self,
entity,
timeout=timeout,
total_timeout=total_timeout,
max_messages=max_messages,
exclusive=exclusive,
replies_are_responses=replies_are_responses
.. note::
This Conversation API has certain shortcomings, such as lacking
persistence, poor interaction with other event handlers, and
overcomplicated usage for anything beyond the simplest case.
If you plan to interact with a bot without handlers, this works
fine, but when running a bot yourself, you may instead prefer
to follow the advice from https://stackoverflow.com/a/62246569/.
This is not the same as just sending a message to create a "dialog"
with them, but rather a way to easily send messages and await for
responses or other reactions. Refer to its documentation for more.
Arguments
entity (`entity`):
The entity with which a new conversation should be opened.
timeout (`int` | `float`, optional):
The default timeout (in seconds) *per action* to be used. You
may also override this timeout on a per-method basis. By
default each action can take up to 60 seconds (the value of
this timeout).
total_timeout (`int` | `float`, optional):
The total timeout (in seconds) to use for the whole
conversation. This takes priority over per-action
timeouts. After these many seconds pass, subsequent
actions will result in ``asyncio.TimeoutError``.
max_messages (`int`, optional):
The maximum amount of messages this conversation will
remember. After these many messages arrive in the
specified chat, subsequent actions will result in
``ValueError``.
exclusive (`bool`, optional):
By default, conversations are exclusive within a single
chat. That means that while a conversation is open in a
chat, you can't open another one in the same chat, unless
you disable this flag.
If you try opening an exclusive conversation for
a chat where it's already open, it will raise
``AlreadyInConversationError``.
replies_are_responses (`bool`, optional):
Whether replies should be treated as responses or not.
If the setting is enabled, calls to `conv.get_response
<telethon.tl.custom.conversation.Conversation.get_response>`
and a subsequent call to `conv.get_reply
<telethon.tl.custom.conversation.Conversation.get_reply>`
will return different messages, otherwise they may return
the same message.
Consider the following scenario with one outgoing message,
1, and two incoming messages, the second one replying::
Hello! <1
2> (reply to 1) Hi!
3> (reply to 1) How are you?
And the following code:
.. code-block:: python
async with client.conversation(chat) as conv:
msg1 = await conv.send_message('Hello!')
msg2 = await conv.get_response()
msg3 = await conv.get_reply()
With the setting enabled, ``msg2`` will be ``'Hi!'`` and
``msg3`` be ``'How are you?'`` since replies are also
responses, and a response was already returned.
With the setting disabled, both ``msg2`` and ``msg3`` will
be ``'Hi!'`` since one is a response and also a reply.
Returns
A `Conversation <telethon.tl.custom.conversation.Conversation>`.
Example
.. code-block:: python
# <you> denotes outgoing messages you sent
# <usr> denotes incoming response messages
with bot.conversation(chat) as conv:
# <you> Hi!
conv.send_message('Hi!')
# <usr> Hello!
hello = conv.get_response()
# <you> Please tell me your name
conv.send_message('Please tell me your name')
# <usr> ?
name = conv.get_response().raw_text
while not any(x.isalpha() for x in name):
# <you> Your name didn't have any letters! Try again
conv.send_message("Your name didn't have any letters! Try again")
# <usr> Human
name = conv.get_response().raw_text
# <you> Thanks Human!
conv.send_message('Thanks {}!'.format(name))
"""
return custom.Conversation(
self,
entity,
timeout=timeout,
total_timeout=total_timeout,
max_messages=max_messages,
exclusive=exclusive,
replies_are_responses=replies_are_responses
)
# endregion
)

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telethon/client/messageparse.py
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@ -9,220 +9,212 @@ if typing.TYPE_CHECKING:
from .telegramclient import TelegramClient
class MessageParseMethods:
def get_parse_mode(self: 'TelegramClient'):
"""
This property is the default parse mode used when sending messages.
Defaults to `telethon.extensions.markdown`. It will always
be either `None` or an object with ``parse`` and ``unparse``
methods.
# region Public properties
When setting a different value it should be one of:
@property
def parse_mode(self: 'TelegramClient'):
"""
This property is the default parse mode used when sending messages.
Defaults to `telethon.extensions.markdown`. It will always
be either `None` or an object with ``parse`` and ``unparse``
methods.
* Object with ``parse`` and ``unparse`` methods.
* A ``callable`` to act as the parse method.
* A `str` indicating the ``parse_mode``. For Markdown ``'md'``
or ``'markdown'`` may be used. For HTML, ``'htm'`` or ``'html'``
may be used.
When setting a different value it should be one of:
The ``parse`` method should be a function accepting a single
parameter, the text to parse, and returning a tuple consisting
of ``(parsed message str, [MessageEntity instances])``.
* Object with ``parse`` and ``unparse`` methods.
* A ``callable`` to act as the parse method.
* A `str` indicating the ``parse_mode``. For Markdown ``'md'``
or ``'markdown'`` may be used. For HTML, ``'htm'`` or ``'html'``
may be used.
The ``unparse`` method should be the inverse of ``parse`` such
that ``assert text == unparse(*parse(text))``.
The ``parse`` method should be a function accepting a single
parameter, the text to parse, and returning a tuple consisting
of ``(parsed message str, [MessageEntity instances])``.
See :tl:`MessageEntity` for allowed message entities.
The ``unparse`` method should be the inverse of ``parse`` such
that ``assert text == unparse(*parse(text))``.
Example
.. code-block:: python
See :tl:`MessageEntity` for allowed message entities.
# Disabling default formatting
client.parse_mode = None
Example
.. code-block:: python
# Enabling HTML as the default format
client.parse_mode = 'html'
"""
return self._parse_mode
# Disabling default formatting
client.parse_mode = None
def set_parse_mode(self: 'TelegramClient', mode: str):
self._parse_mode = utils.sanitize_parse_mode(mode)
# Enabling HTML as the default format
client.parse_mode = 'html'
"""
return self._parse_mode
# endregion
@parse_mode.setter
def parse_mode(self: 'TelegramClient', mode: str):
self._parse_mode = utils.sanitize_parse_mode(mode)
# region Private methods
# endregion
async def _replace_with_mention(self: 'TelegramClient', entities, i, user):
"""
Helper method to replace ``entities[i]`` to mention ``user``,
or do nothing if it can't be found.
"""
try:
entities[i] = types.InputMessageEntityMentionName(
entities[i].offset, entities[i].length,
await self.get_input_entity(user)
)
return True
except (ValueError, TypeError):
return False
# region Private methods
async def _parse_message_text(self: 'TelegramClient', message, parse_mode):
"""
Returns a (parsed message, entities) tuple depending on ``parse_mode``.
"""
if parse_mode == ():
parse_mode = self._parse_mode
else:
parse_mode = utils.sanitize_parse_mode(parse_mode)
async def _replace_with_mention(self: 'TelegramClient', entities, i, user):
"""
Helper method to replace ``entities[i]`` to mention ``user``,
or do nothing if it can't be found.
"""
try:
entities[i] = types.InputMessageEntityMentionName(
entities[i].offset, entities[i].length,
await self.get_input_entity(user)
)
return True
except (ValueError, TypeError):
return False
if not parse_mode:
return message, []
async def _parse_message_text(self: 'TelegramClient', message, parse_mode):
"""
Returns a (parsed message, entities) tuple depending on ``parse_mode``.
"""
if parse_mode == ():
parse_mode = self._parse_mode
else:
parse_mode = utils.sanitize_parse_mode(parse_mode)
original_message = message
message, msg_entities = parse_mode.parse(message)
if original_message and not message and not msg_entities:
raise ValueError("Failed to parse message")
if not parse_mode:
return message, []
original_message = message
message, msg_entities = parse_mode.parse(message)
if original_message and not message and not msg_entities:
raise ValueError("Failed to parse message")
for i in reversed(range(len(msg_entities))):
e = msg_entities[i]
if isinstance(e, types.MessageEntityTextUrl):
m = re.match(r'^@|\+|tg://user\?id=(\d+)', e.url)
if m:
user = int(m.group(1)) if m.group(1) else e.url
is_mention = await self._replace_with_mention(msg_entities, i, user)
if not is_mention:
del msg_entities[i]
elif isinstance(e, (types.MessageEntityMentionName,
types.InputMessageEntityMentionName)):
is_mention = await self._replace_with_mention(msg_entities, i, e.user_id)
for i in reversed(range(len(msg_entities))):
e = msg_entities[i]
if isinstance(e, types.MessageEntityTextUrl):
m = re.match(r'^@|\+|tg://user\?id=(\d+)', e.url)
if m:
user = int(m.group(1)) if m.group(1) else e.url
is_mention = await self._replace_with_mention(msg_entities, i, user)
if not is_mention:
del msg_entities[i]
elif isinstance(e, (types.MessageEntityMentionName,
types.InputMessageEntityMentionName)):
is_mention = await self._replace_with_mention(msg_entities, i, e.user_id)
if not is_mention:
del msg_entities[i]
return message, msg_entities
return message, msg_entities
def _get_response_message(self: 'TelegramClient', request, result, input_chat):
"""
Extracts the response message known a request and Update result.
The request may also be the ID of the message to match.
def _get_response_message(self: 'TelegramClient', request, result, input_chat):
"""
Extracts the response message known a request and Update result.
The request may also be the ID of the message to match.
If ``request is None`` this method returns ``{id: message}``.
If ``request is None`` this method returns ``{id: message}``.
If ``request.random_id`` is a list, this method returns a list too.
"""
if isinstance(result, types.UpdateShort):
updates = [result.update]
entities = {}
elif isinstance(result, (types.Updates, types.UpdatesCombined)):
updates = result.updates
entities = {utils.get_peer_id(x): x
for x in
itertools.chain(result.users, result.chats)}
else:
return None
If ``request.random_id`` is a list, this method returns a list too.
"""
if isinstance(result, types.UpdateShort):
updates = [result.update]
entities = {}
elif isinstance(result, (types.Updates, types.UpdatesCombined)):
updates = result.updates
entities = {utils.get_peer_id(x): x
for x in
itertools.chain(result.users, result.chats)}
else:
return None
random_to_id = {}
id_to_message = {}
for update in updates:
if isinstance(update, types.UpdateMessageID):
random_to_id[update.random_id] = update.id
random_to_id = {}
id_to_message = {}
for update in updates:
if isinstance(update, types.UpdateMessageID):
random_to_id[update.random_id] = update.id
elif isinstance(update, (
types.UpdateNewChannelMessage, types.UpdateNewMessage)):
update.message._finish_init(self, entities, input_chat)
elif isinstance(update, (
types.UpdateNewChannelMessage, types.UpdateNewMessage)):
update.message._finish_init(self, entities, input_chat)
# Pinning a message with `updatePinnedMessage` seems to
# always produce a service message we can't map so return
# it directly. The same happens for kicking users.
#
# It could also be a list (e.g. when sending albums).
#
# TODO this method is getting messier and messier as time goes on
if hasattr(request, 'random_id') or utils.is_list_like(request):
id_to_message[update.message.id] = update.message
else:
return update.message
elif (isinstance(update, types.UpdateEditMessage)
and helpers._entity_type(request.peer) != helpers._EntityType.CHANNEL):
update.message._finish_init(self, entities, input_chat)
# Live locations use `sendMedia` but Telegram responds with
# `updateEditMessage`, which means we won't have `id` field.
if hasattr(request, 'random_id'):
id_to_message[update.message.id] = update.message
elif request.id == update.message.id:
return update.message
elif (isinstance(update, types.UpdateEditChannelMessage)
and utils.get_peer_id(request.peer) ==
utils.get_peer_id(update.message.peer_id)):
if request.id == update.message.id:
update.message._finish_init(self, entities, input_chat)
return update.message
elif isinstance(update, types.UpdateNewScheduledMessage):
update.message._finish_init(self, entities, input_chat)
# Scheduled IDs may collide with normal IDs. However, for a
# single request there *shouldn't* be a mix between "some
# scheduled and some not".
id_to_message[update.message.id] = update.message
elif isinstance(update, types.UpdateMessagePoll):
if request.media.poll.id == update.poll_id:
m = types.Message(
id=request.id,
peer_id=utils.get_peer(request.peer),
media=types.MessageMediaPoll(
poll=update.poll,
results=update.results
)
)
m._finish_init(self, entities, input_chat)
return m
if request is None:
return id_to_message
random_id = request if isinstance(request, (int, list)) else getattr(request, 'random_id', None)
if random_id is None:
# Can happen when pinning a message does not actually produce a service message.
self._log[__name__].warning(
'No random_id in %s to map to, returning None message for %s', request, result)
return None
if not utils.is_list_like(random_id):
msg = id_to_message.get(random_to_id.get(random_id))
if not msg:
self._log[__name__].warning(
'Request %s had missing message mapping %s', request, result)
return msg
try:
return [id_to_message[random_to_id[rnd]] for rnd in random_id]
except KeyError:
# Sometimes forwards fail (`MESSAGE_ID_INVALID` if a message gets
# deleted or `WORKER_BUSY_TOO_LONG_RETRY` if there are issues at
# Telegram), in which case we get some "missing" message mappings.
# Log them with the hope that we can better work around them.
# Pinning a message with `updatePinnedMessage` seems to
# always produce a service message we can't map so return
# it directly. The same happens for kicking users.
#
# This also happens when trying to forward messages that can't
# be forwarded because they don't exist (0, service, deleted)
# among others which could be (like deleted or existing).
# It could also be a list (e.g. when sending albums).
#
# TODO this method is getting messier and messier as time goes on
if hasattr(request, 'random_id') or utils.is_list_like(request):
id_to_message[update.message.id] = update.message
else:
return update.message
elif (isinstance(update, types.UpdateEditMessage)
and helpers._entity_type(request.peer) != helpers._EntityType.CHANNEL):
update.message._finish_init(self, entities, input_chat)
# Live locations use `sendMedia` but Telegram responds with
# `updateEditMessage`, which means we won't have `id` field.
if hasattr(request, 'random_id'):
id_to_message[update.message.id] = update.message
elif request.id == update.message.id:
return update.message
elif (isinstance(update, types.UpdateEditChannelMessage)
and utils.get_peer_id(request.peer) ==
utils.get_peer_id(update.message.peer_id)):
if request.id == update.message.id:
update.message._finish_init(self, entities, input_chat)
return update.message
elif isinstance(update, types.UpdateNewScheduledMessage):
update.message._finish_init(self, entities, input_chat)
# Scheduled IDs may collide with normal IDs. However, for a
# single request there *shouldn't* be a mix between "some
# scheduled and some not".
id_to_message[update.message.id] = update.message
elif isinstance(update, types.UpdateMessagePoll):
if request.media.poll.id == update.poll_id:
m = types.Message(
id=request.id,
peer_id=utils.get_peer(request.peer),
media=types.MessageMediaPoll(
poll=update.poll,
results=update.results
)
)
m._finish_init(self, entities, input_chat)
return m
if request is None:
return id_to_message
random_id = request if isinstance(request, (int, list)) else getattr(request, 'random_id', None)
if random_id is None:
# Can happen when pinning a message does not actually produce a service message.
self._log[__name__].warning(
'No random_id in %s to map to, returning None message for %s', request, result)
return None
if not utils.is_list_like(random_id):
msg = id_to_message.get(random_to_id.get(random_id))
if not msg:
self._log[__name__].warning(
'Request %s had missing message mappings %s', request, result)
'Request %s had missing message mapping %s', request, result)
return [
id_to_message.get(random_to_id[rnd])
if rnd in random_to_id
else None
for rnd in random_id
]
return msg
# endregion
try:
return [id_to_message[random_to_id[rnd]] for rnd in random_id]
except KeyError:
# Sometimes forwards fail (`MESSAGE_ID_INVALID` if a message gets
# deleted or `WORKER_BUSY_TOO_LONG_RETRY` if there are issues at
# Telegram), in which case we get some "missing" message mappings.
# Log them with the hope that we can better work around them.
#
# This also happens when trying to forward messages that can't
# be forwarded because they don't exist (0, service, deleted)
# among others which could be (like deleted or existing).
self._log[__name__].warning(
'Request %s had missing message mappings %s', request, result)
return [
id_to_message.get(random_to_id[rnd])
if rnd in random_to_id
else None
for rnd in random_id
]

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