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# -*- coding: utf-8 -*-
"""
hyperframe/exceptions
~~~~~~~~~~~~~~~~~~~~~
Defines the exceptions that can be thrown by hyperframe.
"""
class HyperframeError(Exception):
"""
The base class for all exceptions for the hyperframe module.
.. versionadded:: 6.0.0
"""
class UnknownFrameError(HyperframeError):
"""
A frame of unknown type was received.
.. versionchanged:: 6.0.0
Changed base class from `ValueError` to :class:`HyperframeError`
"""
def __init__(self, frame_type, length):
#: The type byte of the unknown frame that was received.
self.frame_type = frame_type
#: The length of the data portion of the unknown frame.
self.length = length
def __str__(self):
return (
"UnknownFrameError: Unknown frame type 0x%X received, "
"length %d bytes" % (self.frame_type, self.length)
)
class InvalidPaddingError(HyperframeError):
"""
A frame with invalid padding was received.
.. versionchanged:: 6.0.0
Changed base class from `ValueError` to :class:`HyperframeError`
"""
pass
class InvalidFrameError(HyperframeError):
"""
Parsing a frame failed because the data was not laid out appropriately.
.. versionadded:: 3.0.2
.. versionchanged:: 6.0.0
Changed base class from `ValueError` to :class:`HyperframeError`
"""
pass
class InvalidDataError(HyperframeError):
"""
Content or data of a frame was is invalid or violates the specification.
.. versionadded:: 6.0.0
"""
pass
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