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79 lines
2.7 KiB
ReStructuredText
79 lines
2.7 KiB
ReStructuredText
.. _rpc-errors:
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==========
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RPC Errors
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==========
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RPC stands for Remote Procedure Call, and when the library raises
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a ``RPCError``, it's because you have invoked some of the API
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methods incorrectly (wrong parameters, wrong permissions, or even
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something went wrong on Telegram's server). All the errors are
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available in :ref:`telethon-errors`, but some examples are:
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- ``FloodWaitError`` (420), the same request was repeated many times.
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Must wait ``.seconds`` (you can access this attribute). For example:
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.. code-block:: python
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...
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from telethon import errors
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try:
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messages = await client.get_messages(chat)
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print(messages[0].text)
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except errors.FloodWaitError as e:
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print('Have to sleep', e.seconds, 'seconds')
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time.sleep(e.seconds)
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- ``SessionPasswordNeededError``, if you have setup two-steps
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verification on Telegram.
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- ``CdnFileTamperedError``, if the media you were trying to download
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from a CDN has been altered.
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- ``ChatAdminRequiredError``, you don't have permissions to perform
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said operation on a chat or channel. Try avoiding filters, i.e. when
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searching messages.
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The generic classes for different error codes are:
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- ``InvalidDCError`` (303), the request must be repeated on another DC.
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- ``BadRequestError`` (400), the request contained errors.
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- ``UnauthorizedError`` (401), the user is not authorized yet.
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- ``ForbiddenError`` (403), privacy violation error.
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- ``NotFoundError`` (404), make sure you're invoking ``Request``\ 's!
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If the error is not recognised, it will only be an ``RPCError``.
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You can refer to all errors from Python through the ``telethon.errors``
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module. If you don't know what attributes they have, try printing their
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dir (like ``print(dir(e))``).
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Avoiding Limits
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===============
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Don't spam. You won't get ``FloodWaitError`` or your account banned or
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deleted if you use the library *for legit use cases*. Make cool tools.
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Don't spam! Nobody knows the exact limits for all requests since they
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depend on a lot of factors, so don't bother asking.
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Still, if you do have a legit use case and still get those errors, the
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library will automatically sleep when they are smaller than 60 seconds
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by default. You can set different "auto-sleep" thresholds:
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.. code-block:: python
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client.flood_sleep_threshold = 0 # Don't auto-sleep
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client.flood_sleep_threshold = 24 * 60 * 60 # Sleep always
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You can also except it and act as you prefer:
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.. code-block:: python
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from telethon.errors import FloodWaitError
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try:
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...
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except FloodWaitError as e:
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print('Flood waited for', e.seconds)
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quit(1)
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VoIP numbers are very limited, and some countries are more limited too.
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