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document UnicodeError attributes

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Benjamin Peterson 2012-12-02 11:33:06 -05:00
parent 17c50cdac2
commit d5f462bbc4
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Doc/library/exceptions.rst
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@ -387,6 +387,30 @@ The following exceptions are the exceptions that are actually raised.
Raised when a Unicode-related encoding or decoding error occurs. It is a
subclass of :exc:`ValueError`.
:exc:`UnicodeError` has attributes that describe the encoding or decoding
error. For example, ``err.object[err.start:err.end]`` gives the particular
invalid input that the codec failed on.
.. attribute:: encoding
The name of the encoding that raised the error.
.. attribute:: reason
A string describing the specific codec error.
.. attribute:: object
The object the codec was attempting to encode or decode.
.. attribute:: start
The first index of invalid data in :attr:`object`.
.. attribute:: end
The index after the last invalid data in :attr:`object`.
.. versionadded:: 2.0