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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import sys
import numpy as np
import pytest
import awkward as ak
import awkward._connect.cling
import awkward._lookup
ROOT = pytest.importorskip("ROOT")
ROOT.ROOT.EnableImplicitMT(1)
compiler = ROOT.gInterpreter.Declare
def test_refcount():
array = ak.Array([[[1], [2]], [[3], [4, 5]]])
assert [sys.getrefcount(x) == 2 for x in (array)]
data_frame = ak.to_rdataframe({"x": array})
assert data_frame.GetColumnType("x").startswith("awkward::ListArray_")
column_type = data_frame.GetColumnType("x")
result_ptrs = data_frame.Take[column_type]("x")
view = result_ptrs.begin()
lookup = result_ptrs.begin().lookup()
generator = lookup["x"].generator
column_type = data_frame.GetColumnType("x")
result_ptrs = data_frame.Take[column_type]("x")
view = result_ptrs.begin()
lookup = result_ptrs.begin().lookup()
generator = lookup["x"].generator
array_out = ak.from_rdataframe(
data_frame,
columns=("x",),
)
assert array.to_list() == array_out["x"].to_list()
assert [
sys.getrefcount(x) == 2
for x in (
array,
array_out,
lookup,
generator,
view,
result_ptrs.begin().lookup(),
)
]
for _ in range(3):
def f1(x):
return 3.14
for _ in range(10):
f1(result_ptrs.begin().lookup())
assert [
sys.getrefcount(x) == 2
for x in (
array,
array_out,
lookup,
generator,
view,
result_ptrs.begin().lookup(),
)
]
for _ in range(3):
def f2(x):
return x
for _ in range(10):
y = f2(result_ptrs.begin().lookup())
assert [
sys.getrefcount(x) == 2
for x in (
array,
array_out,
lookup,
generator,
view,
result_ptrs.begin().lookup(),
)
]
for _ in range(3):
def f3(x):
return x, x
for _ in range(10):
y = f3( # noqa: F841 (checking reference count)
result_ptrs.begin().lookup()
)
assert [
sys.getrefcount(x) == 2
for x in (
array,
array_out,
lookup,
generator,
view,
result_ptrs.begin().lookup(),
)
]
def test_data_frame_vec_of_vec_of_integers():
ak_array_in = ak.Array([[[1], [2]], [[3], [4, 5]]])
data_frame = ak.to_rdataframe({"x": ak_array_in})
assert data_frame.GetColumnType("x").startswith("awkward::ListArray_")
ak_array_out = ak.from_rdataframe(
data_frame,
columns=("x",),
)
assert ak_array_in.to_list() == ak_array_out["x"].to_list()
def test_data_frame_NumpyArray():
array = ak.contents.numpyarray.NumpyArray(
np.array([0.0, 1.1, 2.2, 3.3]),
parameters={"some": "stuff", "other": [1, 2, "three"]},
)
layout = array
generator = ak._connect.cling.togenerator(layout.form, flatlist_as_rvec=False)
lookup = ak._lookup.Lookup(layout)
generator.generate(compiler)
array_out = generator.tolayout(lookup, 0, ())
assert array.to_list() == array_out.to_list()
def test_data_frame_ListOffsetArray_NumpyArray():
array = ak.contents.listoffsetarray.ListOffsetArray(
ak.index.Index(np.array([1, 4, 4, 6, 7], np.int64)),
ak.contents.numpyarray.NumpyArray(
np.array([6.6, 1.1, 2.2, 3.3, 4.4, 5.5, 7.7])
),
)
layout = array
generator = ak._connect.cling.togenerator(layout.form, flatlist_as_rvec=False)
lookup = ak._lookup.Lookup(layout)
generator.generate(compiler)
array_out = generator.tolayout(lookup, 0, ())
assert array.to_list() == array_out.to_list()
def test_nested_ListOffsetArray_NumpyArray():
array = ak.contents.ListOffsetArray(
ak.index.Index64(np.array([0, 1, 5], dtype=np.int64)),
ak.contents.listoffsetarray.ListOffsetArray(
ak.index.Index(np.array([1, 1, 4, 4, 6, 7], np.int64)),
ak.contents.numpyarray.NumpyArray(
np.array([6.6, 1.1, 2.2, 3.3, 4.4, 5.5, 7.7])
),
),
)
layout = array
generator = ak._connect.cling.togenerator(layout.form, flatlist_as_rvec=False)
lookup = ak._lookup.Lookup(layout)
generator.generate(compiler)
array_out = generator.tolayout(lookup, 0, ())
assert array.to_list() == array_out.to_list()
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