ENH Enable bzip2 streaming for Python 3 #11072
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tests! |
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I added a test for reading from an open file with the C parser. It fails on the master branch and passes here. How's that? |
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do you have exactly the same deps |
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Yes, exactly the same dependencies. This PR works because the standard library |
jreback
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ok, this looks good. pls add a note in whatsnew for 0.17.0 (just released the rc1 yesterday, but this is ok). reference both the original issue and this PR number I think. squash & ping when green. |
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Note added. It doesn't look like anything else references a PR; should I leave that reference in? |
| @@ -465,6 +465,8 @@ Other enhancements | |||
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| - Improved error message when concatenating an empty iterable of dataframes (:issue:`9157`) | |||
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| - ``pd.read_csv`` can now read bz2-compressed files incrementally, and the C parser can read bz2-compressed files from AWS S3 (:issue:`110701`, :pr:`11072`). | |||
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just reference it like an issue :issue:11072``, we don't distinguish
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Python 2 can't read bz2 files, but Python 3 can. Python 3 can also read bzip files one piece at a time.
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@jreback , tests are green! |
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ENH Enable bzip2 streaming for Python 3
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thanks! |
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This is the one modification related to issue #11070 which affects non-S3 interactions with
read_csv. The Python 3 standard library has an improved capability for handling bz2 compression, so a simple change will letread_csvstream bz2-compressed files.