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GH-55418: [Python] Accept tuple of arrays in RecordBatch.from_arrays #55422

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GH-55418: [Python] Accept tuple of arrays in RecordBatch.from_arrays #55422

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6 changes: 3 additions & 3 deletions python/pyarrow/table.pxi
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Original file line number Diff line number Diff line change
Expand Up @@ -3428,13 +3428,13 @@ cdef class RecordBatch(_Tabular):
return cls.from_arrays(arrays, schema=schema)

@staticmethod
def from_arrays(list arrays, names=None, schema=None, metadata=None):
def from_arrays(arrays, names=None, schema=None, metadata=None):
"""
Construct a RecordBatch from multiple pyarrow.Arrays

Parameters
----------
arrays : list of pyarrow.Array
arrays : list or tuple of pyarrow.Array
One for each field in RecordBatch
names : list of str, optional
Names for the batch fields. If not passed, schema must be passed
Expand Down Expand Up @@ -6080,7 +6080,7 @@ def record_batch(data, names=None, schema=None, metadata=None):
return RecordBatch.from_pandas(data, schema=schema)

else:
raise TypeError("Expected pandas DataFrame or list of arrays")
raise TypeError("Expected pandas DataFrame or list/tuple of arrays")


def table(data, names=None, schema=None, metadata=None, nthreads=None):
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8 changes: 8 additions & 0 deletions python/pyarrow/tests/test_table.py
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Expand Up @@ -2770,6 +2770,14 @@ def test_table_repr_to_string_ellipsis():
c1: [[10,20,30,40,10,...,40,10,20,30,40]]"""


def test_record_batch_from_tuple_of_arrays():
# GH-55418: record_batch must accept a tuple of arrays like a list
batch = pa.record_batch((pa.array([1]),), names=["a"])
assert batch.num_columns == 1
assert batch.column(0).to_pylist() == [1]
assert batch == pa.record_batch([pa.array([1])], names=["a"])


def test_record_batch_repr_to_string():
# Schema passed explicitly
schema = pa.schema([pa.field('c0', pa.int16(),
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