62 lines
1.5 KiB
Python
62 lines
1.5 KiB
Python
"""
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Exceptions that can be thrown by hyperframe.
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"""
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from __future__ import annotations
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class HyperframeError(Exception):
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"""
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The base class for all exceptions for the hyperframe module.
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.. versionadded:: 6.0.0
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"""
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class UnknownFrameError(HyperframeError):
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"""
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A frame of unknown type was received.
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.. versionchanged:: 6.0.0
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Changed base class from `ValueError` to :class:`HyperframeError`
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"""
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def __init__(self, frame_type: int, length: int) -> None:
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#: The type byte of the unknown frame that was received.
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self.frame_type = frame_type
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#: The length of the data portion of the unknown frame.
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self.length = length
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def __str__(self) -> str:
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return (
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f"UnknownFrameError: Unknown frame type 0x{self.frame_type:X} received, length {self.length} bytes"
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)
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class InvalidPaddingError(HyperframeError):
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"""
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A frame with invalid padding was received.
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.. versionchanged:: 6.0.0
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Changed base class from `ValueError` to :class:`HyperframeError`
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"""
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class InvalidFrameError(HyperframeError):
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"""
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Parsing a frame failed because the data was not laid out appropriately.
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.. versionadded:: 3.0.2
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.. versionchanged:: 6.0.0
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Changed base class from `ValueError` to :class:`HyperframeError`
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"""
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class InvalidDataError(HyperframeError):
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"""
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Content or data of a frame was is invalid or violates the specification.
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.. versionadded:: 6.0.0
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"""
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