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- #
- # This file is part of pyasn1 software.
- #
- # Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
- # License: https://pyasn1.readthedocs.io/en/latest/license.html
- #
-
-
- class PyAsn1Error(Exception):
- """Base pyasn1 exception
-
- `PyAsn1Error` is the base exception class (based on
- :class:`Exception`) that represents all possible ASN.1 related
- errors.
-
- Parameters
- ----------
- args:
- Opaque positional parameters
-
- Keyword Args
- ------------
- kwargs:
- Opaque keyword parameters
-
- """
- def __init__(self, *args, **kwargs):
- self._args = args
- self._kwargs = kwargs
-
- @property
- def context(self):
- """Return exception context
-
- When exception object is created, the caller can supply some opaque
- context for the upper layers to better understand the cause of the
- exception.
-
- Returns
- -------
- : :py:class:`dict`
- Dict holding context specific data
- """
- return self._kwargs.get('context', {})
-
-
- class ValueConstraintError(PyAsn1Error):
- """ASN.1 type constraints violation exception
-
- The `ValueConstraintError` exception indicates an ASN.1 value
- constraint violation.
-
- It might happen on value object instantiation (for scalar types) or on
- serialization (for constructed types).
- """
-
-
- class SubstrateUnderrunError(PyAsn1Error):
- """ASN.1 data structure deserialization error
-
- The `SubstrateUnderrunError` exception indicates insufficient serialised
- data on input of a de-serialization codec.
- """
-
-
- class EndOfStreamError(SubstrateUnderrunError):
- """ASN.1 data structure deserialization error
-
- The `EndOfStreamError` exception indicates the condition of the input
- stream has been closed.
- """
-
-
- class UnsupportedSubstrateError(PyAsn1Error):
- """Unsupported substrate type to parse as ASN.1 data."""
-
-
- class PyAsn1UnicodeError(PyAsn1Error, UnicodeError):
- """Unicode text processing error
-
- The `PyAsn1UnicodeError` exception is a base class for errors relating to
- unicode text de/serialization.
-
- Apart from inheriting from :class:`PyAsn1Error`, it also inherits from
- :class:`UnicodeError` to help the caller catching unicode-related errors.
- """
- def __init__(self, message, unicode_error=None):
- if isinstance(unicode_error, UnicodeError):
- UnicodeError.__init__(self, *unicode_error.args)
- PyAsn1Error.__init__(self, message)
-
-
- class PyAsn1UnicodeDecodeError(PyAsn1UnicodeError, UnicodeDecodeError):
- """Unicode text decoding error
-
- The `PyAsn1UnicodeDecodeError` exception represents a failure to
- deserialize unicode text.
-
- Apart from inheriting from :class:`PyAsn1UnicodeError`, it also inherits
- from :class:`UnicodeDecodeError` to help the caller catching unicode-related
- errors.
- """
-
-
- class PyAsn1UnicodeEncodeError(PyAsn1UnicodeError, UnicodeEncodeError):
- """Unicode text encoding error
-
- The `PyAsn1UnicodeEncodeError` exception represents a failure to
- serialize unicode text.
-
- Apart from inheriting from :class:`PyAsn1UnicodeError`, it also inherits
- from :class:`UnicodeEncodeError` to help the caller catching
- unicode-related errors.
- """
-
-
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