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https://issues.apache.org/jira/browse/PYLUCENE-36?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064136#comment-16064136
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Patrick J. McNerthney commented on PYLUCENE-36:
-----------------------------------------------
A nit-pick on the Python 3 purity of the generated code. The u prefix on string
constants is only supported to make it easy for the same code to run in both
Python 2 and 3. Since this is generating Python 3 specific code, the changed
line should remove the u"..." string constants, resulting in:
{{
line(out, 2, 'return "\\n".join((str(super(JavaError, self)), " Java
stacktrace:", str(writer)))')
}}
> Python exception when handling a Java error
> -------------------------------------------
>
> Key: PYLUCENE-36
> URL: https://issues.apache.org/jira/browse/PYLUCENE-36
> Project: PyLucene
> Issue Type: Bug
> Environment: Python 3.5, Ubuntu 16.04, Java 8
> Reporter: Paulo Villegas
> Attachments: pylucene-6.5.0-py3.5.patch
>
>
> When handling a Java exception via the {{JavaError}} class, Python 3.5
> generates an exception due to the call to {{unicode}} (which does not exist
> in Python 3), hence masking the actual Java exception with a Python
> _NameError_ exception.
> I guess this is a consequence of PYLUCENE-35. That one fixed the problem with
> Unicode characters in Java exceptions for Python 2, but it shouldn't be
> applied to Python 3 (since in Python 3 the {{str}} type *is* natively
> Unicode).
> The attached small patch (applied only to the Python 3 branch) fixes it for
> me.
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