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TST: DataFrame.to_parquet accepts pathlib.Path with partition_cols defined #36491

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Merged
merged 3 commits into from
Sep 23, 2020
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TST: DataFrame.to_parquet accepts pathlib.Path with partition_cols defined #36491

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TST: DataFrame.to_parquet accepts pathlib.Path with partition_cols de…
arw2019 Sep 20, 2020
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arw2019 Sep 22, 2020
460e6ef
Merge remote-tracking branch 'upstream/master' into GH35902
arw2019 Sep 22, 2020
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15 changes: 15 additions & 0 deletions pandas/tests/io/test_parquet.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
from distutils.version import LooseVersion
from io import BytesIO
import os
import pathlib
from warnings import catch_warnings

import numpy as np
Expand Down Expand Up @@ -663,6 +664,20 @@ def test_partition_cols_string(self, pa, df_full):
assert len(dataset.partitions.partition_names) == 1
assert dataset.partitions.partition_names == set(partition_cols_list)

@pytest.mark.parametrize(
"path_type", [lambda path: path, lambda path: pathlib.Path(path)]
)
def test_partition_cols_pathlib(self, pa, df_compat, path_type):
# GH 35902

partition_cols = "B"
partition_cols_list = [partition_cols]
df = df_compat

with tm.ensure_clean_dir() as path_str:
path = path_type(path_str)
df.to_parquet(path, partition_cols=partition_cols_list)

def test_empty_dataframe(self, pa):
# GH #27339
df = pd.DataFrame()
Expand Down