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Posted to pylucene-dev@lucene.apache.org by "A. Coady (JIRA)" <ji...@apache.org> on 2017/10/18 03:05:00 UTC

[jira] [Created] (PYLUCENE-39) JArrays are no longer sliceable under Python 3.

A. Coady created PYLUCENE-39:
--------------------------------

             Summary: JArrays are no longer sliceable under Python 3.
                 Key: PYLUCENE-39
                 URL: https://issues.apache.org/jira/browse/PYLUCENE-39
             Project: PyLucene
          Issue Type: Bug
         Environment: JCC 3
            Reporter: A. Coady
            Priority: Minor


JArray objects use the legacy __getslice__ implementation, and hence aren't sliceable in Python 3.

{code}
In []: lucene.JArray_byte(b'abc')[:]
...
TypeError: sequence index must be integer, not 'slice'
{code}

I'm not necessarily advocating that they should be sliceable, just that it's a regression.  It's also worth noting that slices returned Python sequences, not JArray objects, which I think is worth revisiting if it's going to be re-implemented anyway.



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