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Roll our own generate_string() because mimesis' has gone away #13257

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merged 3 commits into from
May 1, 2023
Merged

Roll our own generate_string() because mimesis' has gone away #13257

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1d6df97
Roll our own generate_string() because mimesis' has gone away
shwina May 1, 2023
55d58cb
Simplify
shwina May 1, 2023
3d649f8
Replace use of randstr()
shwina May 1, 2023
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11 changes: 8 additions & 3 deletions python/cudf/cudf/testing/dataset_generator.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# Copyright (c) 2020-2022, NVIDIA CORPORATION.
# Copyright (c) 2020-2023, NVIDIA CORPORATION.

# This module is for generating "synthetic" datasets. It was originally
# designed for testing filtered reading. Generally, it should be useful
Expand Down Expand Up @@ -502,7 +502,7 @@ def rand_dataframe(
cardinality=cardinality,
null_frequency=null_frequency,
generator=lambda cardinality=cardinality: [
mimesis.random.random.generate_string(
_generate_string(
string.printable,
np.random.randint(
low=0,
Expand Down Expand Up @@ -684,7 +684,7 @@ def get_values_for_nested_data(dtype, lists_max_length=None, size=None):
values = float_generator(dtype=dtype, size=cardinality)()
elif dtype.kind in ("U", "O"):
values = [
mimesis.random.random.generate_string(
_generate_string(
string.printable,
100,
)
Expand Down Expand Up @@ -847,3 +847,8 @@ def create_nested_struct_type(max_types_at_each_level, nesting_level):
else:
type_dict[str(name)] = cudf.dtype(type_)
return cudf.StructDtype(type_dict)


def _generate_string(str_seq: str, length: int = 10) -> str:
indexes = np.random.randint(0, len(str_seq) - 1, length)
return "".join(str_seq[i] for i in indexes)