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Clean up some more twirks on RTD and update docstrings

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Lonami Exo 2018-01-05 13:30:21 +01:00
parent 9635a57683
commit a489b4b18b
8 changed files with 307 additions and 205 deletions
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6
readthedocs/extra/basic/creating-a-client.rst
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@ -98,7 +98,7 @@ Two Factor Authorization (2FA)
If you have Two Factor Authorization (from now on, 2FA) enabled on your
account, calling :meth:`telethon.TelegramClient.sign_in` will raise a
`SessionPasswordNeededError`. When this happens, just
``SessionPasswordNeededError``. When this happens, just
:meth:`telethon.TelegramClient.sign_in` again with a ``password=``:
.. code-block:: python
@ -113,7 +113,7 @@ account, calling :meth:`telethon.TelegramClient.sign_in` will raise a
client.sign_in(password=getpass.getpass())
If you don't have 2FA enabled, but you would like to do so through Telethon,
If you don't have 2FA enabled, but you would like to do so through the library,
take as example the following code snippet:
.. code-block:: python
@ -146,4 +146,4 @@ for the tip!
__ https://github.com/Anorov/PySocks#installation
__ https://github.com/Anorov/PySocks#usage-1%3E
__ https://github.com/Anorov/PySocks#usage-1

14
readthedocs/extra/basic/entities.rst
View File

@ -34,22 +34,22 @@ you're able to just do this:
.. code-block:: python
# dialogs are the "conversations you have open"
# this method returns a list of Dialog, which
# have the .entity attribute and other information.
# Dialogs are the "conversations you have open".
# This method returns a list of Dialog, which
# has the .entity attribute and other information.
dialogs = client.get_dialogs(limit=200)
# all of these work and do the same
# All of these work and do the same.
lonami = client.get_entity('lonami')
lonami = client.get_entity('t.me/lonami')
lonami = client.get_entity('https://telegram.dog/lonami')
# other kind of entities
# Other kind of entities.
channel = client.get_entity('telegram.me/joinchat/AAAAAEkk2WdoDrB4-Q8-gg')
contact = client.get_entity('+34xxxxxxxxx')
friend = client.get_entity(friend_id)
# using peers/input peers (note that the API may return these)
# Using Peer/InputPeer (note that the API may return these)
# users, chats and channels may all have the same ID, so it's
# necessary to wrap (at least) chat and channels inside Peer.
from telethon.tl.types import PeerUser, PeerChat, PeerChannel
@ -79,7 +79,7 @@ possible, making zero API calls most of the time. When a request is made,
if you provided the full entity, e.g. an ``User``, the library will convert
it to the required ``InputPeer`` automatically for you.
**You should always favour ``.get_input_entity()``** over ``.get_entity()``
**You should always favour** ``.get_input_entity()`` **over** ``.get_entity()``
for this reason! Calling the latter will always make an API call to get
the most recent information about said entity, but invoking requests don't
need this information, just the ``InputPeer``. Only use ``.get_entity()``

3
readthedocs/extra/basic/getting-started.rst
View File

@ -50,8 +50,7 @@ Basic Usage
client.send_file('username', '/home/myself/Pictures/holidays.jpg')
client.download_profile_photo(me)
total, messages, senders = client.get_message_history('username')
messages = client.get_message_history('username')
client.download_media(messages[0])
**More details**: :ref:`telegram-client`

1
readthedocs/extra/basic/installation.rst
View File

@ -65,4 +65,3 @@ __ https://github.com/ricmoo/pyaes
__ https://pypi.python.org/pypi/pyaes
__ https://github.com/sybrenstuvel/python-rsa/
__ https://pypi.python.org/pypi/rsa/3.4.2
__ https://github.com/LonamiWebs/Telethon/issues/199

2
readthedocs/extra/developing/api-status.rst
View File

@ -34,7 +34,7 @@ instance through ``curl``. A JSON response will be returned.
curl https://rpc.pwrtelegram.xyz/?for=messages.sendMessage
**Number of ``RPC_CALL_FAIL``\ 's**:
**Number of** ``RPC_CALL_FAIL``:
.. code:: bash

4
readthedocs/extra/troubleshooting/rpc-errors.rst
View File

@ -7,8 +7,8 @@ RPC stands for Remote Procedure Call, and when Telethon raises an
methods incorrectly (wrong parameters, wrong permissions, or even
something went wrong on Telegram's server). The most common are:
- ``FloodError`` (420), the same request was repeated many times. Must
wait ``.seconds``.
- ``FloodWaitError`` (420), the same request was repeated many times.
Must wait ``.seconds`` (you can access this parameter).
- ``SessionPasswordNeededError``, if you have setup two-steps
verification on Telegram.
- ``CdnFileTamperedError``, if the media you were trying to download

5
readthedocs/extra/wall-of-shame.rst
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@ -1,3 +1,8 @@
=============
Wall of Shame
=============
This project has an
`issues <https://github.com/LonamiWebs/Telethon/issues>`__ section for
you to file **issues** whenever you encounter any when working with the

477
telethon/telegram_client.py
View File

@ -59,11 +59,66 @@ from .extensions import markdown
class TelegramClient(TelegramBareClient):
"""Full featured TelegramClient meant to extend the basic functionality -
"""
Initializes the Telegram client with the specified API ID and Hash.
As opposed to the TelegramBareClient, this one features downloading
media from different data centers, starting a second thread to
handle updates, and some very common functionality.
Args:
session (:obj:`str` | :obj:`Session` | :obj:`None`):
The file name of the session file to be used if a string is
given (it may be a full path), or the Session instance to be
used otherwise. If it's ``None``, the session will not be saved,
and you should call :meth:`.log_out()` when you're done.
api_id (:obj:`int` | :obj:`str`):
The API ID you obtained from https://my.telegram.org.
api_hash (:obj:`str`):
The API ID you obtained from https://my.telegram.org.
connection_mode (:obj:`ConnectionMode`, optional):
The connection mode to be used when creating a new connection
to the servers. Defaults to the ``TCP_FULL`` mode.
This will only affect how messages are sent over the network
and how much processing is required before sending them.
use_ipv6 (:obj:`bool`, optional):
Whether to connect to the servers through IPv6 or not.
By default this is ``False`` as IPv6 support is not
too widespread yet.
proxy (:obj:`tuple` | :obj:`dict`, optional):
A tuple consisting of ``(socks.SOCKS5, 'host', port)``.
See https://github.com/Anorov/PySocks#usage-1 for more.
update_workers (:obj:`int`, optional):
If specified, represents how many extra threads should
be spawned to handle incoming updates, and updates will
be kept in memory until they are processed. Note that
you must set this to at least ``0`` if you want to be
able to process updates through :meth:`updates.poll()`.
timeout (:obj:`int` | :obj:`float` | :obj:`timedelta`, optional):
The timeout to be used when receiving responses from
the network. Defaults to 5 seconds.
spawn_read_thread (:obj:`bool`, optional):
Whether to use an extra background thread or not. Defaults
to ``True`` so receiving items from the network happens
instantly, as soon as they arrive. Can still be disabled
if you want to run the library without any additional thread.
Kwargs:
Extra parameters will be forwarded to the ``Session`` file.
Most relevant parameters are:
.. code-block:: python
device_model = platform.node()
system_version = platform.system()
app_version = TelegramClient.__version__
lang_code = 'en'
system_lang_code = lang_code
report_errors = True
"""
# region Initialization
@ -76,42 +131,6 @@ class TelegramClient(TelegramBareClient):
timeout=timedelta(seconds=5),
spawn_read_thread=True,
**kwargs):
"""Initializes the Telegram client with the specified API ID and Hash.
Session can either be a `str` object (filename for the .session)
or it can be a `Session` instance (in which case list_sessions()
would probably not work). Pass 'None' for it to be a temporary
session - remember to '.log_out()'!
The 'connection_mode' should be any value under ConnectionMode.
This will only affect how messages are sent over the network
and how much processing is required before sending them.
The integer 'update_workers' represents depending on its value:
is None: Updates will *not* be stored in memory.
= 0: Another thread is responsible for calling self.updates.poll()
> 0: 'update_workers' background threads will be spawned, any
any of them will invoke all the self.updates.handlers.
If 'spawn_read_thread', a background thread will be started once
an authorized user has been logged in to Telegram to read items
(such as updates and responses) from the network as soon as they
occur, which will speed things up.
If you don't want to spawn any additional threads, pending updates
will be read and processed accordingly after invoking a request
and not immediately. This is useful if you don't care about updates
at all and have set 'update_workers=None'.
If more named arguments are provided as **kwargs, they will be
used to update the Session instance. Most common settings are:
device_model = platform.node()
system_version = platform.system()
app_version = TelegramClient.__version__
lang_code = 'en'
system_lang_code = lang_code
report_errors = True
"""
super().__init__(
session, api_id, api_hash,
connection_mode=connection_mode,
@ -134,13 +153,17 @@ class TelegramClient(TelegramBareClient):
# region Authorization requests
def send_code_request(self, phone, force_sms=False):
"""Sends a code request to the specified phone number.
"""
Sends a code request to the specified phone number.
:param str | int phone:
The phone to which the code will be sent.
:param bool force_sms:
Whether to force sending as SMS.
:return auth.SentCode:
Args:
phone (:obj:`str` | :obj:`int`):
The phone to which the code will be sent.
force_sms (:obj:`bool`, optional):
Whether to force sending as SMS.
Returns:
Information about the result of the request.
"""
phone = utils.parse_phone(phone) or self._phone
@ -165,23 +188,30 @@ class TelegramClient(TelegramBareClient):
Starts or completes the sign in process with the given phone number
or code that Telegram sent.
:param str | int phone:
The phone to send the code to if no code was provided, or to
override the phone that was previously used with these requests.
:param str | int code:
The code that Telegram sent.
:param str password:
2FA password, should be used if a previous call raised
SessionPasswordNeededError.
:param str bot_token:
Used to sign in as a bot. Not all requests will be available.
This should be the hash the @BotFather gave you.
:param str phone_code_hash:
The hash returned by .send_code_request. This can be set to None
to use the last hash known.
Args:
phone (:obj:`str` | :obj:`int`):
The phone to send the code to if no code was provided,
or to override the phone that was previously used with
these requests.
:return auth.SentCode | User:
The signed in user, or the information about .send_code_request().
code (:obj:`str` | :obj:`int`):
The code that Telegram sent.
password (:obj:`str`):
2FA password, should be used if a previous call raised
SessionPasswordNeededError.
bot_token (:obj:`str`):
Used to sign in as a bot. Not all requests will be available.
This should be the hash the @BotFather gave you.
phone_code_hash (:obj:`str`):
The hash returned by .send_code_request. This can be set to None
to use the last hash known.
Returns:
The signed in user, or the information about
:meth:`.send_code_request()`.
"""
if phone and not code:
@ -229,10 +259,18 @@ class TelegramClient(TelegramBareClient):
Signs up to Telegram if you don't have an account yet.
You must call .send_code_request(phone) first.
:param str | int code: The code sent by Telegram
:param str first_name: The first name to be used by the new account.
:param str last_name: Optional last name.
:return User: The new created user.
Args:
code (:obj:`str` | :obj:`int`):
The code sent by Telegram
first_name (:obj:`str`):
The first name to be used by the new account.
last_name (:obj:`str`, optional)
Optional last name.
Returns:
The new created user.
"""
result = self(SignUpRequest(
phone_number=self._phone,
@ -246,9 +284,11 @@ class TelegramClient(TelegramBareClient):
return result.user
def log_out(self):
"""Logs out Telegram and deletes the current *.session file.
"""
Logs out Telegram and deletes the current *.session file.
:return bool: True if the operation was successful.
Returns:
True if the operation was successful.
"""
try:
self(LogOutRequest())
@ -265,7 +305,8 @@ class TelegramClient(TelegramBareClient):
Gets "me" (the self user) which is currently authenticated,
or None if the request fails (hence, not authenticated).
:return User: Your own user.
Returns:
Your own user.
"""
try:
return self(GetUsersRequest([InputUserSelf()]))[0]
@ -284,19 +325,24 @@ class TelegramClient(TelegramBareClient):
"""
Gets N "dialogs" (open "chats" or conversations with other people).
:param limit:
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.
:param offset_date:
The offset date to be used.
:param offset_id:
The message ID to be used as an offset.
:param offset_peer:
The peer to be used as an offset.
Args:
limit (:obj:`int` | :obj:`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``.
:return UserList[telethon.tl.custom.Dialog]:
offset_date (:obj:`datetime`, optional):
The offset date to be used.
offset_id (:obj:`int`, optional):
The message ID to be used as an offset.
offset_peer (:obj:`InputPeer`, optional):
The peer to be used as an offset.
Returns:
A list dialogs, with an additional .total attribute on the list.
"""
limit = float('inf') if limit is None else int(limit)
@ -351,11 +397,10 @@ class TelegramClient(TelegramBareClient):
"""
Gets all open draft messages.
Returns a list of custom `Draft` objects that are easy to work with:
You can call `draft.set_message('text')` to change the message,
or delete it through `draft.delete()`.
:return List[telethon.tl.custom.Draft]: A list of open drafts
Returns:
A list of custom ``Draft`` objects that are easy to work with:
You can call :meth:`draft.set_message('text')` to change the message,
or delete it through :meth:`draft.delete()`.
"""
response = self(GetAllDraftsRequest())
self.session.process_entities(response)
@ -365,6 +410,7 @@ class TelegramClient(TelegramBareClient):
@staticmethod
def _get_response_message(request, result):
"""Extracts the response message known a request and Update result"""
# Telegram seems to send updateMessageID first, then updateNewMessage,
# however let's not rely on that just in case.
msg_id = None
@ -388,19 +434,26 @@ class TelegramClient(TelegramBareClient):
"""
Sends the given message to the specified entity (user/chat/channel).
:param str | int | User | Chat | Channel entity:
To who will it be sent.
:param str message:
The message to be sent.
:param int | Message reply_to:
Whether to reply to a message or not.
:param str parse_mode:
Can be 'md' or 'markdown' for markdown-like parsing, in a similar
fashion how official clients work.
:param link_preview:
Should the link preview be shown?
Args:
entity (:obj:`entity`):
To who will it be sent.
:return Message: the sent message
message (:obj:`str`):
The message to be sent.
reply_to (:obj:`int` | :obj:`Message`, optional):
Whether to reply to a message or not. If an integer is provided,
it should be the ID of the message that it should reply to.
parse_mode (:obj:`str`, optional):
Can be 'md' or 'markdown' for markdown-like parsing, in a similar
fashion how official clients work.
link_preview (:obj:`bool`, optional):
Should the link preview be shown?
Returns:
the sent message
"""
entity = self.get_input_entity(entity)
if parse_mode:
@ -435,21 +488,25 @@ class TelegramClient(TelegramBareClient):
def delete_messages(self, entity, message_ids, revoke=True):
"""
Deletes a message from a chat, optionally "for everyone" with argument
`revoke` set to `True`.
Deletes a message from a chat, optionally "for everyone".
The `revoke` argument has no effect for Channels and Megagroups,
where it inherently behaves as being `True`.
Args:
entity (:obj:`entity`):
From who the message will be deleted. This can actually
be ``None`` for normal chats, but **must** be present
for channels and megagroups.
Note: The `entity` argument can be `None` for normal chats, but it's
mandatory to delete messages from Channels and Megagroups. It is also
possible to supply a chat_id which will be automatically resolved to
the right type of InputPeer.
message_ids (:obj:`list` | :obj:`int` | :obj:`Message`):
The IDs (or ID) or messages to be deleted.
:param entity: ID or Entity of the chat
:param list message_ids: ID(s) or `Message` object(s) of the message(s) to delete
:param revoke: Delete the message for everyone or just this client
:returns .messages.AffectedMessages: Messages affected by deletion.
revoke (:obj:`bool`, optional):
Whether the message should be deleted for everyone or not.
By default it has the opposite behaviour of official clients,
and it will delete the message for everyone.
This has no effect on channels or megagroups.
Returns:
The affected messages.
"""
if not isinstance(message_ids, list):
@ -477,34 +534,45 @@ class TelegramClient(TelegramBareClient):
"""
Gets the message history for the specified entity
:param entity:
The entity from whom to retrieve the message history.
:param limit:
Number of messages to be retrieved. Due to limitations with the API
retrieving more than 3000 messages will take longer than half a
minute (or even more based on previous calls). The limit may also
be None, which would eventually return the whole history.
:param offset_date:
Offset date (messages *previous* to this date will be retrieved).
:param offset_id:
Offset message ID (only messages *previous* to the given ID will
be retrieved).
:param max_id:
All the messages with a higher (newer) ID or equal to this will
be excluded
:param min_id:
All the messages with a lower (older) ID or equal to this will
be excluded.
:param add_offset:
Additional message offset
(all of the specified offsets + this offset = older messages).
Args:
entity (:obj:`entity`):
The entity from whom to retrieve the message history.
:return: A list of messages with extra attributes:
.total = (on the list) total amount of messages sent
.sender = entity of the sender
.fwd_from.sender = if fwd_from, who sent it originally
.fwd_from.channel = if fwd_from, original channel
.to = entity to which the message was sent
limit (:obj:`int` | :obj:`None`, optional):
Number of messages to be retrieved. Due to limitations with
the API retrieving more than 3000 messages will take longer
than half a minute (or even more based on previous calls).
The limit may also be ``None``, which would eventually return
the whole history.
offset_date (:obj:`datetime`):
Offset date (messages *previous* to this date will be
retrieved). Exclusive.
offset_id (:obj:`int`):
Offset message ID (only messages *previous* to the given
ID will be retrieved). Exclusive.
max_id (:obj:`int`):
All the messages with a higher (newer) ID or equal to this will
be excluded
min_id (:obj:`int`):
All the messages with a lower (older) ID or equal to this will
be excluded.
add_offset (:obj:`int`):
Additional message offset (all of the specified offsets +
this offset = older messages).
Returns:
A list of messages with extra attributes:
* ``.total`` = (on the list) total amount of messages sent.
* ``.sender`` = entity of the sender.
* ``.fwd_from.sender`` = if fwd_from, who sent it originally.
* ``.fwd_from.channel`` = if fwd_from, original channel.
* ``.to`` = entity to which the message was sent.
"""
entity = self.get_input_entity(entity)
limit = float('inf') if limit is None else int(limit)
@ -585,11 +653,16 @@ class TelegramClient(TelegramBareClient):
Sends a "read acknowledge" (i.e., notifying the given peer that we've
read their messages, also known as the "double check").
:param entity: The chat where these messages are located.
:param message: Either a list of messages or a single message.
:param max_id: Overrides messages, until which message should the
acknowledge should be sent.
:return:
Args:
entity (:obj:`entity`):
The chat where these messages are located.
message (:obj:`list` | :obj:`Message`):
Either a list of messages or a single message.
max_id (:obj:`int`):
Overrides messages, until which message should the
acknowledge should be sent.
"""
if max_id is None:
if not messages:
@ -636,35 +709,47 @@ class TelegramClient(TelegramBareClient):
"""
Sends a file to the specified entity.
:param entity:
Who will receive the file.
:param file:
The path of the file, byte array, or stream that will be sent.
Note that if a byte array or a stream is given, a filename
or its type won't be inferred, and it will be sent as an
"unnamed application/octet-stream".
Args:
entity (:obj:`entity`):
Who will receive the file.
Subsequent calls with the very same file will result in
immediate uploads, unless .clear_file_cache() is called.
:param caption:
Optional caption for the sent media message.
:param force_document:
If left to False and the file is a path that ends with .png, .jpg
and such, the file will be sent as a photo. Otherwise always as
a document.
:param progress_callback:
A callback function accepting two parameters: (sent bytes, total)
:param reply_to:
Same as reply_to from .send_message().
:param attributes:
Optional attributes that override the inferred ones, like
DocumentAttributeFilename and so on.
:param thumb:
Optional thumbnail (for videos).
:param kwargs:
file (:obj:`str` | :obj:`bytes` | :obj:`file`):
The path of the file, byte array, or stream that will be sent.
Note that if a byte array or a stream is given, a filename
or its type won't be inferred, and it will be sent as an
"unnamed application/octet-stream".
Subsequent calls with the very same file will result in
immediate uploads, unless ``.clear_file_cache()`` is called.
caption (:obj:`str`, optional):
Optional caption for the sent media message.
force_document (:obj:`bool`, optional):
If left to ``False`` and the file is a path that ends with
``.png``, ``.jpg`` and such, the file will be sent as a photo.
Otherwise always as a document.
progress_callback (:obj:`callable`, optional):
A callback function accepting two parameters:
``(sent bytes, total)``.
reply_to (:obj:`int` | :obj:`Message`):
Same as reply_to from .send_message().
attributes (:obj:`list`, optional):
Optional attributes that override the inferred ones, like
``DocumentAttributeFilename`` and so on.
thumb (:obj:`str` | :obj:`bytes` | :obj:`file`):
Optional thumbnail (for videos).
Kwargs:
If "is_voice_note" in kwargs, despite its value, and the file is
sent as a document, it will be sent as a voice note.
:return:
Returns:
The message containing the sent file.
"""
as_photo = False
if isinstance(file, str):
@ -766,15 +851,19 @@ class TelegramClient(TelegramBareClient):
"""
Downloads the profile photo of the given entity (user/chat/channel).
:param entity:
From who the photo will be downloaded.
:param file:
The output file path, directory, or stream-like object.
If the path exists and is a file, it will be overwritten.
:param download_big:
Whether to use the big version of the available photos.
:return:
None if no photo was provided, or if it was Empty. On success
Args:
entity (:obj:`entity`):
From who the photo will be downloaded.
file (:obj:`str` | :obj:`file`, optional):
The output file path, directory, or stream-like object.
If the path exists and is a file, it will be overwritten.
download_big (:obj:`bool`, optional):
Whether to use the big version of the available photos.
Returns:
``None`` if no photo was provided, or if it was Empty. On success
the file path is returned since it may differ from the one given.
"""
photo = entity
@ -843,14 +932,21 @@ class TelegramClient(TelegramBareClient):
def download_media(self, message, file=None, progress_callback=None):
"""
Downloads the given media, or the media from a specified Message.
:param message:
message (:obj:`Message` | :obj:`Media`):
The media or message containing the media that will be downloaded.
:param file:
file (:obj:`str` | :obj:`file`, optional):
The output file path, directory, or stream-like object.
If the path exists and is a file, it will be overwritten.
:param progress_callback:
A callback function accepting two parameters: (recv bytes, total)
:return:
progress_callback (:obj:`callable`, optional):
A callback function accepting two parameters:
``(recv bytes, total)``.
Returns:
``None`` if no media was provided, or if it was Empty. On success
the file path is returned since it may differ from the one given.
"""
# TODO This won't work for messageService
if isinstance(message, Message):
@ -1038,7 +1134,7 @@ class TelegramClient(TelegramBareClient):
"""
Turns the given entity into a valid Telegram user or chat.
:param entity:
entity (:obj:`str` | :obj:`int` | :obj:`Peer` | :obj:`InputPeer`):
The entity (or iterable of entities) to be transformed.
If it's a string which can be converted to an integer or starts
with '+' it will be resolved as if it were a phone number.
@ -1053,7 +1149,9 @@ class TelegramClient(TelegramBareClient):
If the entity is neither, and it's not a TLObject, an
error will be raised.
:return: User, Chat or Channel corresponding to the input entity.
Returns:
``User``, ``Chat`` or ``Channel`` corresponding to the input
entity.
"""
if not isinstance(entity, str) and hasattr(entity, '__iter__'):
single = False
@ -1145,19 +1243,20 @@ class TelegramClient(TelegramBareClient):
use this kind of InputUser, InputChat and so on, so this is the
most suitable call to make for those cases.
:param peer:
entity (:obj:`str` | :obj:`int` | :obj:`Peer` | :obj:`InputPeer`):
The integer ID of an user or otherwise either of a
PeerUser, PeerChat or PeerChannel, for which to get its
Input* version.
``PeerUser``, ``PeerChat`` or ``PeerChannel``, for
which to get its ``Input*`` version.
If this Peer hasn't been seen before by the library, the top
If this ``Peer`` hasn't been seen before by the library, the top
dialogs will be loaded and their entities saved to the session
file (unless this feature was disabled explicitly).
If in the end the access hash required for the peer was not found,
a ValueError will be raised.
:return: InputPeerUser, InputPeerChat or InputPeerChannel.
Returns:
``InputPeerUser``, ``InputPeerChat`` or ``InputPeerChannel``.
"""
try:
# First try to get the entity from cache, otherwise figure it out