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BUG: Check complib values #10341

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bashtage
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Add check for complib when opening a HDFStore

closes #4582
closes #8874

BUG: Check complib values
59a7fa0 
Add check for complib when opening a HDFStore

closes pandas-dev#4582
closes pandas-dev#8874
jreback
jreback reviewed Jun 12, 2015
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pandas/io/pytables.py
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I think this should iterrogate the PyTables/Filters class, as more things seem to be valid http://www.pytables.org/usersguide/libref/helper_classes.html#filtersclassdescr

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but then reading over the old issue. I am not sure these blosc compressors work (though not entirely sure why)

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Using multiple compressors, e.g. blosc:zlib, resulted in corruption for me - also not sure why. So it seems safer to just prevent them being used and to enforce what the docs say are supported compressors.

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jreback commented Jun 12, 2015

ok that's fine, move to a class variable though _compressors? to make maintenance easier in the future

@jreback jreback added Bug Error Reporting Incorrect or improved errors from pandas IO HDF5 read_hdf, HDFStore labels Jun 12, 2015
@jreback jreback added this to the 0.16.2 milestone Jun 12, 2015
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jreback commented Jun 12, 2015

ping when green. I am going to cut 0.16.2 soon, so this will be last one :)

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jreback commented Jun 12, 2015

merged via 3cdd1df

thanks!

@jreback jreback closed this Jun 12, 2015
This was referenced Jun 12, 2015
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@bashtage bashtage deleted the complib-check branch June 15, 2015 13:56
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Bug Error Reporting Incorrect or improved errors from pandas IO HDF5 read_hdf, HDFStore

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HDF corrupts data when using complib='blosc:zlib' ER: raise on invalid compression options in HDFStore

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