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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
#
from __future__ import annotations
import os
import pytest
safetensors = pytest.importorskip("safetensors")
def test_roundtrip():
import awkward as ak
array = ak.Array([[1, 2, 3], [], [4, 5], [6], [7, 8, 9, 10]])
path = "./test.safetensors"
ak.to_safetensors(array, path)
loaded = ak.from_safetensors(path)
virtual_loaded = ak.from_safetensors(path, virtual=True)
os.remove(path)
assert array.layout.is_equal_to(loaded.layout, all_parameters=True)
assert array.layout.is_equal_to(
virtual_loaded.layout.materialize(), all_parameters=True
)
def test_virtual_array_to_safetensors():
import awkward as ak
array = ak.Array([[1, 2, 3], [], [4, 5], [6], [7, 8, 9, 10]])
path = "./test_virtual{}.safetensors".format
ak.to_safetensors(array, path(0))
virtual_loaded = ak.from_safetensors(path(0), virtual=True)
ak.to_safetensors(virtual_loaded, path(1))
loaded = ak.from_safetensors(path(1), virtual=False)
os.remove(path(0))
os.remove(path(1))
assert virtual_loaded.layout.materialize().is_equal_to(
loaded.layout, all_parameters=True
)
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