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index_as_columns option in ctable.fromdataframe() #345
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rytsim wants to merge 1 commit intoBlosc:masterfrom
Open
index_as_columns option in ctable.fromdataframe() #345rytsim wants to merge 1 commit intoBlosc:masterfrom
rytsim wants to merge 1 commit intoBlosc:masterfrom
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| @staticmethod | ||
| def fromdataframe(df, **kwargs): | ||
| def fromdataframe(df, index_as_columns=False, **kwargs): |
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Although backward incompatible, I'd say that setting index_as_columns to True as default makes more sense.
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I had the backward compatibility in mind, but I do agree that index_as_columns to True as a default makes more sense.
| # In Python 3 strings should be represented as Unicode | ||
| dtype = "U" if sys.version_info >= (3, 0) else "S" | ||
| col = bcolz.carray(vals, dtype='%s%d' % | ||
| (dtype, maxitemsize), **ckwargs) |
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I think that 'unicode' and 'string' branches can be fused a bit more.
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Looks good to me; I have added a couple of comments though. Also, a couple of test units would be needed. Thanks! |
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Improves on #344
Makes df -->ct-->df rountrip possible.
index_as_columnsto save the index of a dataframe inctable.fromdataframe()method.ctable.todataframe()method to check fordataframe_index_columnsattribute and if found set the dataframe index to this column before returning it.