[ https://issues.apache.org/jira/browse/ARROW-1646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wes McKinney updated ARROW-1646: -------------------------------- Fix Version/s: 0.8.0 > [Python] pyarrow.array cannot handle NumPy scalar types > ------------------------------------------------------- > > Key: ARROW-1646 > URL: https://issues.apache.org/jira/browse/ARROW-1646 > Project: Apache Arrow > Issue Type: Bug > Components: Python > Affects Versions: 0.7.1 > Reporter: Wes McKinney > Fix For: 0.8.0 > > > Example repro > {code} > In [1]: import pyarrow as pa > impo > In [2]: import numpy as np > In [3]: pa.array([np.random.randint(0, 10, size=5), None]) > --------------------------------------------------------------------------- > ArrowInvalid Traceback (most recent call last) > <ipython-input-3-b364fa5d75aa> in <module>() > ----> 1 pa.array([np.random.randint(0, 10, size=5), None]) > /home/wesm/code/arrow/python/pyarrow/array.pxi in pyarrow.lib.array > (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:24892)() > 171 if mask is not None: > 172 raise ValueError("Masks only supported with ndarray-like > inputs") > --> 173 return _sequence_to_array(obj, size, type, pool) > 174 > 175 > /home/wesm/code/arrow/python/pyarrow/array.pxi in > pyarrow.lib._sequence_to_array > (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:23496)() > 23 if type is None: > 24 with nogil: > ---> 25 check_status(ConvertPySequence(sequence, pool, &out)) > 26 else: > 27 if size is None: > /home/wesm/code/arrow/python/pyarrow/error.pxi in pyarrow.lib.check_status > (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/lib.cxx:7876)() > 75 message = frombytes(status.message()) > 76 if status.IsInvalid(): > ---> 77 raise ArrowInvalid(message) > 78 elif status.IsIOError(): > 79 raise ArrowIOError(message) > ArrowInvalid: > /home/wesm/code/arrow/cpp/src/arrow/python/builtin_convert.cc:740 code: > InferArrowTypeAndSize(obj, &size, &type) > /home/wesm/code/arrow/cpp/src/arrow/python/builtin_convert.cc:319 code: > InferArrowType(obj, out_type) > /home/wesm/code/arrow/cpp/src/arrow/python/builtin_convert.cc:299 code: > seq_visitor.Visit(obj) > /home/wesm/code/arrow/cpp/src/arrow/python/builtin_convert.cc:180 code: > VisitElem(ref, level) > Error inferring Arrow data type for collection of Python objects. Got Python > object of type ndarray but can only handle these types: bool, float, integer, > date, datetime, bytes, unicode > {code} > If these inner values are converted to Python built-in int types then it > works fine -- This message was sent by Atlassian JIRA (v6.4.14#64029)