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from __future__ import annotations
import os
import pytest
import awkward as ak
pyarrow = pytest.importorskip("pyarrow")
def simple_test(tmp_path):
array = ak.Array([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
array1 = ak.Array([[1.1, 2.2, 3.3, 4.4], [4.0], [4.4, 5.5]])
array2 = ak.Array([[1.0, 3.0, 3.3, 4.4], [4.0], [4.4, 10.0], [11.11]])
ak.to_parquet(
array, os.path.join(tmp_path, "arr1.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array1, os.path.join(tmp_path, "arr2.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array2, os.path.join(tmp_path, "arr3.parquet"), parquet_compliant_nested=True
)
ak.to_parquet_dataset(tmp_path, filenames="arr[1-3].parquet")
assert os.path.exists(os.path.join(tmp_path, "_common_metadata"))
assert os.path.exists(os.path.join(tmp_path, "_metadata"))
with_metadata = ak.from_parquet(tmp_path)
print(with_metadata.to_list())
assert with_metadata.tolist() == [
[1.1, 2.2, 3.3],
[],
[4.4, 5.5],
[1.1, 2.2, 3.3, 4.4],
[4.0],
[4.4, 5.5],
[1.0, 3.0, 3.3, 4.4],
[4.0],
[4.4, 10.0],
[11.11],
]
def complex_test(tmp_path):
array1 = ak.Array(
[{"x": 1.1, "y": [1]}, {"x": 2.2, "y": [1, 2]}, {"x": 3.3, "y": [1, 2, 3]}]
)
array2 = ak.Array([{"x": 1.8, "y": [3, 5, 6]}])
array3 = ak.Array([{"x": 4.4, "y": [1, 2, 3, 4]}, {"x": 5.5, "y": [1, 2, 3, 4, 5]}])
ak.to_parquet(
array1, os.path.join(tmp_path, "arr1.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array2, os.path.join(tmp_path, "arr2.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array3, os.path.join(tmp_path, "arr3.parquet"), parquet_compliant_nested=True
)
ak.to_parquet_dataset(tmp_path)
assert os.path.exists(os.path.join(tmp_path, "_common_metadata"))
assert os.path.exists(os.path.join(tmp_path, "_metadata"))
with_metadata = ak.from_parquet(tmp_path)
assert with_metadata.tolist() == [
{"x": 1.1, "y": [1]},
{"x": 2.2, "y": [1, 2]},
{"x": 3.3, "y": [1, 2, 3]},
{"x": 1.8, "y": [3, 5, 6]},
{"x": 4.4, "y": [1, 2, 3, 4]},
{"x": 5.5, "y": [1, 2, 3, 4, 5]},
]
def test_filenames(tmp_path):
array = ak.Array(
[{"x": 1.1, "y": [1]}, {"x": 2.2, "y": [1, 2]}, {"x": 3.3, "y": [1, 2, 3]}]
)
array1 = ak.Array([{"x": 1.8, "y": [3, 5, 6]}])
array2 = ak.Array([{"x": 4.4, "y": [1, 2, 3, 4]}, {"x": 5.5, "y": [1, 2, 3, 4, 5]}])
ak.to_parquet(
array, os.path.join(tmp_path, "arr1.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array1, os.path.join(tmp_path, "arr2.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array2, os.path.join(tmp_path, "arr3.parquet"), parquet_compliant_nested=True
)
ak.to_parquet_dataset(
tmp_path, filenames=["arr1.parquet", "arr2.parquet", "arr3.parquet"]
)
assert os.path.exists(os.path.join(tmp_path, "_common_metadata"))
assert os.path.exists(os.path.join(tmp_path, "_metadata"))
with_metadata = ak.from_parquet(tmp_path)
assert with_metadata.tolist() == [
{"x": 1.1, "y": [1]},
{"x": 2.2, "y": [1, 2]},
{"x": 3.3, "y": [1, 2, 3]},
{"x": 1.8, "y": [3, 5, 6]},
{"x": 4.4, "y": [1, 2, 3, 4]},
{"x": 5.5, "y": [1, 2, 3, 4, 5]},
]
def test_wildcard(tmp_path):
array = ak.Array([[1.1, 2.2, 3.3], [], [4.4, 5.5]])
array1 = ak.Array([[1.1, 2.2, 3.3, 4.4], [4.0], [4.4, 5.5]])
array2 = ak.Array([[1.0, 3.0, 3.3, 4.4], [4.0], [4.4, 10.0], [11.11]])
ak.to_parquet(
array, os.path.join(tmp_path, "arr1.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array1, os.path.join(tmp_path, "arr2.parquet"), parquet_compliant_nested=True
)
ak.to_parquet(
array2, os.path.join(tmp_path, "arr3.parquet"), parquet_compliant_nested=True
)
ak.to_parquet_dataset(tmp_path, filenames="arr?.parquet")
with_metadata = ak.from_parquet(tmp_path)
assert with_metadata.tolist() == [
[1.1, 2.2, 3.3],
[],
[4.4, 5.5],
[1.1, 2.2, 3.3, 4.4],
[4.0],
[4.4, 5.5],
[1.0, 3.0, 3.3, 4.4],
[4.0],
[4.4, 10.0],
[11.11],
]
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