mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-11-22 09:26:37 +03:00
243 lines
7.8 KiB
ReStructuredText
243 lines
7.8 KiB
ReStructuredText
.. _faq:
|
|
|
|
===
|
|
FAQ
|
|
===
|
|
|
|
Let's start the quick references section with some useful tips to keep in
|
|
mind, with the hope that you will understand why certain things work the
|
|
way that they do.
|
|
|
|
.. contents::
|
|
|
|
|
|
Code without errors doesn't work
|
|
================================
|
|
|
|
Then it probably has errors, but you haven't enabled logging yet.
|
|
To enable logging, at the following code to the top of your main file:
|
|
|
|
.. code-block:: python
|
|
|
|
import logging
|
|
logging.basicConfig(format='[%(levelname) 5s/%(asctime)s] %(name)s: %(message)s',
|
|
level=logging.WARNING)
|
|
|
|
You can change the logging level to be something different, from less to more information:
|
|
|
|
.. code-block:: python
|
|
|
|
level=logging.CRITICAL # won't show errors (same as disabled)
|
|
level=logging.ERROR # will only show errors that you didn't handle
|
|
level=logging.WARNING # will also show messages with medium severity, such as internal Telegram issues
|
|
level=logging.INFO # will also show informational messages, such as connection or disconnections
|
|
level=logging.DEBUG # will show a lot of output to help debugging issues in the library
|
|
|
|
See the official Python documentation for more information on logging_.
|
|
|
|
|
|
How can I except FloodWaitError?
|
|
================================
|
|
|
|
You can use all errors from the API by importing:
|
|
|
|
.. code-block:: python
|
|
|
|
from telethon import errors
|
|
|
|
And except them as such:
|
|
|
|
.. code-block:: python
|
|
|
|
try:
|
|
await client.send_message(chat, 'Hi')
|
|
except errors.FloodWaitError as e:
|
|
# e.seconds is how many seconds you have
|
|
# to wait before making the request again.
|
|
print('Flood for', e.seconds)
|
|
|
|
|
|
My account was deleted/limited when using the library
|
|
=====================================================
|
|
|
|
The library will only do things that you tell it to do. If you use
|
|
the library with bad intentions, Telegram will hopefully ban you.
|
|
|
|
However, you may also be part of a limited country, such as Iran or Russia.
|
|
In that case, we have bad news for you. Telegram is much more likely to ban
|
|
these numbers, as they are often used to spam other accounts, likely through
|
|
the use of libraries like this one. The best advice we can give you is to not
|
|
abuse the API, like calling many requests really quickly, and to sign up with
|
|
these phones through an official application.
|
|
|
|
We have also had reports from Kazakhstan and China, where connecting
|
|
would fail. To solve these connection problems, you should use a proxy.
|
|
|
|
Telegram may also ban virtual (VoIP) phone numbers,
|
|
as again, they're likely to be used for spam.
|
|
|
|
If you want to check if your account has been limited,
|
|
simply send a private message to `@SpamBot`_ through Telegram itself.
|
|
You should notice this by getting errors like ``PeerFloodError``,
|
|
which means you're limited, for instance,
|
|
when sending a message to some accounts but not others.
|
|
|
|
For more discussion, please see `issue 297`_.
|
|
|
|
|
|
How can I use a proxy?
|
|
======================
|
|
|
|
This was one of the first things described in :ref:`signing-in`.
|
|
|
|
|
|
How do I access a field?
|
|
========================
|
|
|
|
This is basic Python knowledge. You should use the dot operator:
|
|
|
|
.. code-block:: python
|
|
|
|
me = await client.get_me()
|
|
print(me.username)
|
|
# ^ we used the dot operator to access the username attribute
|
|
|
|
result = await client(functions.photos.GetUserPhotosRequest(
|
|
user_id='me',
|
|
offset=0,
|
|
max_id=0,
|
|
limit=100
|
|
))
|
|
|
|
# Working with list is also pretty basic
|
|
print(result.photos[0].sizes[-1].type)
|
|
# ^ ^ ^ ^ ^
|
|
# | | | | \ type
|
|
# | | | \ last size
|
|
# | | \ list of sizes
|
|
# access | \ first photo from the list
|
|
# the... \ list of photos
|
|
#
|
|
# To print all, you could do (or mix-and-match):
|
|
for photo in result.photos:
|
|
for size in photo.sizes:
|
|
print(size.type)
|
|
|
|
|
|
AttributeError: 'coroutine' object has no attribute 'id'
|
|
========================================================
|
|
|
|
You either forgot to:
|
|
|
|
.. code-block:: python
|
|
|
|
import telethon.sync
|
|
# ^^^^^ import sync
|
|
|
|
Or:
|
|
|
|
.. code-block:: python
|
|
|
|
async def handler(event):
|
|
me = await client.get_me()
|
|
# ^^^^^ note the await
|
|
print(me.username)
|
|
|
|
|
|
sqlite3.OperationalError: database is locked
|
|
============================================
|
|
|
|
An older process is still running and is using the same ``'session'`` file.
|
|
|
|
This error occurs when **two or more clients use the same session**,
|
|
that is, when you write the same session name to be used in the client:
|
|
|
|
* You have an older process using the same session file.
|
|
* You have two different scripts running (interactive sessions count too).
|
|
* You have two clients in the same script running at the same time.
|
|
|
|
The solution is, if you need two clients, use two sessions. If the
|
|
problem persists and you're on Linux, you can use ``fuser my.session``
|
|
to find out the process locking the file. As a last resort, you can
|
|
reboot your system.
|
|
|
|
If you really dislike SQLite, use a different session storage. There
|
|
is an entire section covering that at :ref:`sessions`.
|
|
|
|
|
|
event.chat or event.sender is None
|
|
==================================
|
|
|
|
Telegram doesn't always send this information in order to save bandwidth.
|
|
If you need the information, you should fetch it yourself, since the library
|
|
won't do unnecessary work unless you need to:
|
|
|
|
.. code-block:: python
|
|
|
|
async def handler(event):
|
|
chat = await event.get_chat()
|
|
sender = await event.get_sender()
|
|
|
|
|
|
What does "bases ChatGetter" mean?
|
|
==================================
|
|
|
|
In Python, classes can base others. This is called `inheritance
|
|
<https://ddg.gg/python%20inheritance>`_. What it means is that
|
|
"if a class bases another, you can use the other's methods too".
|
|
|
|
For example, `Message <telethon.tl.custom.message.Message>` *bases*
|
|
`ChatGetter <telethon.tl.custom.chatgetter.ChatGetter>`. In turn,
|
|
`ChatGetter <telethon.tl.custom.chatgetter.ChatGetter>` defines
|
|
things like `obj.chat_id <telethon.tl.custom.chatgetter.ChatGetter>`.
|
|
|
|
So if you have a message, you can access that too:
|
|
|
|
.. code-block:: python
|
|
|
|
# ChatGetter has a chat_id property, and Message bases ChatGetter.
|
|
# Thus you can use ChatGetter properties and methods from Message
|
|
print(message.chat_id)
|
|
|
|
|
|
Telegram has a lot to offer, and inheritance helps the library reduce
|
|
boilerplate, so it's important to know this concept. For newcomers,
|
|
this may be a problem, so we explain what it means here in the FAQ.
|
|
|
|
|
|
Can I use Flask with the library?
|
|
=================================
|
|
|
|
Yes, if you know what you are doing. However, you will probably have a
|
|
lot of headaches to get threads and asyncio to work together. Instead,
|
|
consider using `Quart <https://pgjones.gitlab.io/quart/>`_, an asyncio-based
|
|
alternative to `Flask <flask.pocoo.org/>`_.
|
|
|
|
Check out `quart_login.py`_ for an example web-application based on Quart.
|
|
|
|
Can I use Anaconda/Spyder/IPython with the library?
|
|
===================================================
|
|
|
|
Yes, but these interpreters run the asyncio event loop implicitly,
|
|
which interferes with the ``telethon.sync`` magic module.
|
|
|
|
If you use them, you should **not** import ``sync``:
|
|
|
|
.. code-block:: python
|
|
|
|
# Change any of these...:
|
|
from telethon import TelegramClient, sync, ...
|
|
from telethon.sync import TelegramClient, ...
|
|
|
|
# ...with this:
|
|
from telethon import TelegramClient, ...
|
|
|
|
You are also more likely to get "sqlite3.OperationalError: database is locked"
|
|
with them. If they cause too much trouble, just write your code in a ``.py``
|
|
file and run that, or use the normal ``python`` interpreter.
|
|
|
|
.. _logging: https://docs.python.org/3/library/logging.html
|
|
.. _@SpamBot: https://t.me/SpamBot
|
|
.. _issue 297: https://github.com/LonamiWebs/Telethon/issues/297
|
|
.. _quart_login.py: https://github.com/LonamiWebs/Telethon/tree/v1/telethon_examples#quart_loginpy
|