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76 lines
2.2 KiB
76 lines
2.2 KiB
2 years ago
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#
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# This file is part of pyasn1 software.
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#
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# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com>
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# License: http://snmplabs.com/pyasn1/license.html
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#
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class PyAsn1Error(Exception):
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"""Base pyasn1 exception
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`PyAsn1Error` is the base exception class (based on
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:class:`Exception`) that represents all possible ASN.1 related
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errors.
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"""
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class ValueConstraintError(PyAsn1Error):
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"""ASN.1 type constraints violation exception
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The `ValueConstraintError` exception indicates an ASN.1 value
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constraint violation.
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It might happen on value object instantiation (for scalar types) or on
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serialization (for constructed types).
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"""
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class SubstrateUnderrunError(PyAsn1Error):
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"""ASN.1 data structure deserialization error
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The `SubstrateUnderrunError` exception indicates insufficient serialised
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data on input of a de-serialization codec.
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"""
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class PyAsn1UnicodeError(PyAsn1Error, UnicodeError):
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"""Unicode text processing error
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The `PyAsn1UnicodeError` exception is a base class for errors relating to
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unicode text de/serialization.
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Apart from inheriting from :class:`PyAsn1Error`, it also inherits from
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:class:`UnicodeError` to help the caller catching unicode-related errors.
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"""
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def __init__(self, message, unicode_error=None):
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if isinstance(unicode_error, UnicodeError):
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UnicodeError.__init__(self, *unicode_error.args)
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PyAsn1Error.__init__(self, message)
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class PyAsn1UnicodeDecodeError(PyAsn1UnicodeError, UnicodeDecodeError):
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"""Unicode text decoding error
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The `PyAsn1UnicodeDecodeError` exception represents a failure to
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deserialize unicode text.
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Apart from inheriting from :class:`PyAsn1UnicodeError`, it also inherits
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from :class:`UnicodeDecodeError` to help the caller catching unicode-related
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errors.
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"""
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class PyAsn1UnicodeEncodeError(PyAsn1UnicodeError, UnicodeEncodeError):
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"""Unicode text encoding error
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The `PyAsn1UnicodeEncodeError` exception represents a failure to
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serialize unicode text.
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Apart from inheriting from :class:`PyAsn1UnicodeError`, it also inherits
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from :class:`UnicodeEncodeError` to help the caller catching
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unicode-related errors.
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"""
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