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from ..tl import functions
_NESTS_QUERY = (
functions.InvokeAfterMsgRequest,
functions.InvokeAfterMsgsRequest,
functions.InitConnectionRequest,
functions.InvokeWithLayerRequest,
functions.InvokeWithoutUpdatesRequest,
functions.InvokeWithMessagesRangeRequest,
functions.InvokeWithTakeoutRequest,
)
class RPCError(Exception):
"""Base class for all Remote Procedure Call errors."""
code = None
message = None
def __init__(self, request, message, code=None):
super().__init__('RPCError {}: {}{}'.format(
code or self.code, message, self._fmt_request(request)))
self.request = request
self.code = code
self.message = message
@staticmethod
def _fmt_request(request):
n = 0
reason = ''
while isinstance(request, _NESTS_QUERY):
n += 1
reason += request.__class__.__name__ + '('
request = request.query
reason += request.__class__.__name__ + ')' * n
return ' (caused by {})'.format(reason)
def __reduce__(self):
return type(self), (self.request, self.message, self.code)
class InvalidDCError(RPCError):
"""
The request must be repeated, but directed to a different data center.
"""
code = 303
message = 'ERROR_SEE_OTHER'
class BadRequestError(RPCError):
"""
The query contains errors. In the event that a request was created
using a form and contains user generated data, the user should be
notified that the data must be corrected before the query is repeated.
"""
code = 400
message = 'BAD_REQUEST'
class UnauthorizedError(RPCError):
"""
There was an unauthorized attempt to use functionality available only
to authorized users.
"""
code = 401
message = 'UNAUTHORIZED'
class ForbiddenError(RPCError):
"""
Privacy violation. For example, an attempt to write a message to
someone who has blacklisted the current user.
"""
code = 403
message = 'FORBIDDEN'
class NotFoundError(RPCError):
"""
An attempt to invoke a non-existent object, such as a method.
"""
code = 404
message = 'NOT_FOUND'
class AuthKeyError(RPCError):
"""
Errors related to invalid authorization key, like
AUTH_KEY_DUPLICATED which can cause the connection to fail.
"""
code = 406
message = 'AUTH_KEY'
class FloodError(RPCError):
"""
The maximum allowed number of attempts to invoke the given method
with the given input parameters has been exceeded. For example, in an
attempt to request a large number of text messages (SMS) for the same
phone number.
"""
code = 420
message = 'FLOOD'
class ServerError(RPCError):
"""
An internal server error occurred while a request was being processed
for example, there was a disruption while accessing a database or file
storage.
"""
code = 500 # Also witnessed as -500
message = 'INTERNAL'
class TimedOutError(RPCError):
"""
Clicking the inline buttons of bots that never (or take to long to)
call ``answerCallbackQuery`` will result in this "special" RPCError.
"""
code = 503 # Only witnessed as -503
message = 'Timeout'
BotTimeout = TimedOutError
base_errors = {x.code: x for x in (
InvalidDCError, BadRequestError, UnauthorizedError, ForbiddenError,
NotFoundError, AuthKeyError, FloodError, ServerError, TimedOutError
)}
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