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test_2714_from_buffers_placeholders.py
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test_2714_from_buffers_placeholders.py
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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import numpy as np
import pytest
import awkward as ak
from awkward._nplikes.numpy import Numpy
from awkward._nplikes.placeholder import PlaceholderArray
from awkward._nplikes.shape import unknown_length
numpy = Numpy.instance()
def test_numpyarray():
layout = ak.from_buffers(
{"class": "NumpyArray", "primitive": "int64", "form_key": "node0"},
10,
{"node0-data": PlaceholderArray(numpy, (10,), np.int64)},
highlevel=False,
)
assert layout.length == 10
# Content too small
with pytest.raises(TypeError, match=r"is less than size of form"):
ak.from_buffers(
{"class": "NumpyArray", "primitive": "int64", "form_key": "node0"},
10,
{"node0-data": PlaceholderArray(numpy, (9,), np.int64)},
highlevel=False,
)
# Unknown length content at top-level
layout = ak.from_buffers(
{"class": "NumpyArray", "primitive": "int64", "form_key": "node0"},
10,
{"node0-data": PlaceholderArray(numpy, (unknown_length,), np.int64)},
highlevel=False,
)
assert layout.length == 10
def test_listoffsetarray_numpyarray():
# Unknown data
layout = ak.from_buffers(
{
"class": "ListOffsetArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"offsets": "i64",
"form_key": "node0",
},
2,
{
"node0-offsets": np.array([0, 1, 2], dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (10,), dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length == 2
# Unknown offsets above known data
layout = ak.from_buffers(
{
"class": "ListOffsetArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"offsets": "i64",
"form_key": "node0",
},
2,
{
"node0-offsets": PlaceholderArray(numpy, (3,), dtype=np.int64),
"node1-data": np.array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length is unknown_length
# Unknown offsets and unknown data
layout = ak.from_buffers(
{
"class": "ListOffsetArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"offsets": "i64",
"form_key": "node0",
},
2,
{
"node0-offsets": PlaceholderArray(numpy, (3,), dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (10,), dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length is unknown_length
# Unknown offsets and unknown data with unknown offset length
layout = ak.from_buffers(
{
"class": "ListOffsetArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"offsets": "i64",
"form_key": "node0",
},
2,
{
"node0-offsets": PlaceholderArray(numpy, (unknown_length,), dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (10,), dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length is unknown_length
def test_listarray_numpyarray():
# Unknown data
layout = ak.from_buffers(
{
"class": "ListArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"starts": "i64",
"stops": "i64",
"form_key": "node0",
},
2,
{
"node0-starts": np.array([0, 1], dtype=np.int64),
"node0-stops": np.array([1, 2], dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (10,), dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length == 2
# Unknown offsets
layout = ak.from_buffers(
{
"class": "ListArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"starts": "i64",
"stops": "i64",
"form_key": "node0",
},
2,
{
"node0-starts": PlaceholderArray(numpy, (2,), dtype=np.int64),
"node0-stops": PlaceholderArray(numpy, (2,), dtype=np.int64),
"node1-data": np.array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10], dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length is unknown_length
# Unknown offsets and unknown data
layout = ak.from_buffers(
{
"class": "ListArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"starts": "i64",
"stops": "i64",
"form_key": "node0",
},
2,
{
"node0-starts": PlaceholderArray(numpy, (2,), dtype=np.int64),
"node0-stops": PlaceholderArray(numpy, (2,), dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (10,), dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length is unknown_length
# Unknown starts, stops, and data with unknown starts lengths
layout = ak.from_buffers(
{
"class": "ListArray",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"starts": "i64",
"stops": "i64",
"form_key": "node0",
},
2,
{
"node0-starts": PlaceholderArray(numpy, (unknown_length,), dtype=np.int64),
"node0-stops": PlaceholderArray(numpy, (2,), dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (10,), dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 2
assert layout.content.length is unknown_length
def test_indexedoptionarray():
# Unknown data
layout = ak.from_buffers(
{
"class": "IndexedOptionArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": np.array([0, 1, 2], dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (3,), np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length == 3
# Unknown index
layout = ak.from_buffers(
{
"class": "IndexedOptionArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": PlaceholderArray(numpy, (3,), np.int64),
"node1-data": np.array([0, 1, 2, 3, 4, 5], dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length is unknown_length
# Unknown index and data
layout = ak.from_buffers(
{
"class": "IndexedOptionArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": PlaceholderArray(numpy, (3,), np.int64),
"node1-data": PlaceholderArray(numpy, (6,), np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length is unknown_length
# Unknown index and data with unknown index length
layout = ak.from_buffers(
{
"class": "IndexedOptionArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": PlaceholderArray(numpy, (unknown_length,), np.int64),
"node1-data": PlaceholderArray(numpy, (6,), np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length is unknown_length
def test_indexedarray():
# Unknown data
layout = ak.from_buffers(
{
"class": "IndexedArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": np.array([0, 1, 2], dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (3,), np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length == 3
# Unknown index
layout = ak.from_buffers(
{
"class": "IndexedArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": PlaceholderArray(numpy, (3,), np.int64),
"node1-data": np.array([0, 1, 2, 3, 4, 5], dtype=np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length is unknown_length
# Unknown data
layout = ak.from_buffers(
{
"class": "IndexedArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": PlaceholderArray(numpy, (3,), np.int64),
"node1-data": PlaceholderArray(numpy, (6,), np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length is unknown_length
# Unknown index and data, with unknown index length
layout = ak.from_buffers(
{
"class": "IndexedArray",
"index": "i64",
"content": {
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
"form_key": "node0",
},
3,
{
"node0-index": PlaceholderArray(numpy, (unknown_length,), np.int64),
"node1-data": PlaceholderArray(numpy, (6,), np.int64),
},
highlevel=False,
)
assert layout.length == 3
assert layout.content.length is unknown_length
def test_unionarray():
# Unknown data
layout = ak.from_buffers(
{
"class": "UnionArray",
"tags": "i8",
"index": "i64",
"contents": [
{
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
{
"class": "NumpyArray",
"primitive": "datetime64[D]",
"form_key": "node2",
},
],
"form_key": "node0",
},
3,
{
"node0-tags": np.array([0, 0, 1], dtype=np.int8),
"node0-index": np.array([0, 1, 0], dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (3,), np.int64),
"node2-data": PlaceholderArray(numpy, (6,), np.dtype("datetime64[D]")),
},
highlevel=False,
)
assert layout.length == 3
assert layout.contents[0].length == 2
assert layout.contents[1].length == 1
# Unknown tags
layout = ak.from_buffers(
{
"class": "UnionArray",
"tags": "i8",
"index": "i64",
"contents": [
{
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
{
"class": "NumpyArray",
"primitive": "datetime64[D]",
"form_key": "node2",
},
],
"form_key": "node0",
},
3,
{
"node0-tags": PlaceholderArray(numpy, (3,), np.int8),
"node0-index": np.array([0, 1, 0], dtype=np.int64),
"node1-data": np.array([0, 1, 2], np.int64),
"node2-data": np.array([0, 1, 2, 3, 4, 5, 6], np.dtype("datetime64[D]")),
},
highlevel=False,
)
assert layout.length == 3
assert layout.contents[0].length is unknown_length
assert layout.contents[1].length is unknown_length
# Unknown index
layout = ak.from_buffers(
{
"class": "UnionArray",
"tags": "i8",
"index": "i64",
"contents": [
{
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
{
"class": "NumpyArray",
"primitive": "datetime64[D]",
"form_key": "node2",
},
],
"form_key": "node0",
},
3,
{
"node0-tags": np.array([0, 0, 1], dtype=np.int8),
"node0-index": PlaceholderArray(numpy, (3,), np.int64),
"node1-data": np.array([0, 1, 2], np.int64),
"node2-data": np.array([0, 1, 2, 3, 4, 5, 6], np.dtype("datetime64[D]")),
},
highlevel=False,
)
assert layout.length == 3
assert layout.contents[0].length is unknown_length
assert layout.contents[1].length is unknown_length
# Unknown content length
layout = ak.from_buffers(
{
"class": "UnionArray",
"tags": "i8",
"index": "i64",
"contents": [
{
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
{
"class": "NumpyArray",
"primitive": "datetime64[D]",
"form_key": "node2",
},
],
"form_key": "node0",
},
3,
{
"node0-tags": np.array([0, 0, 1], dtype=np.int8),
"node0-index": np.array([0, 1, 0], dtype=np.int64),
"node1-data": PlaceholderArray(numpy, (unknown_length,), np.int64),
"node2-data": PlaceholderArray(numpy, (6,), np.dtype("datetime64[D]")),
},
highlevel=False,
)
assert layout.length == 3
assert layout.contents[0].length == 2
assert layout.contents[1].length == 1
# Unknown tags, index, and data
layout = ak.from_buffers(
{
"class": "UnionArray",
"tags": "i8",
"index": "i64",
"contents": [
{
"class": "NumpyArray",
"primitive": "int64",
"form_key": "node1",
},
{
"class": "NumpyArray",
"primitive": "datetime64[D]",
"form_key": "node2",
},
],
"form_key": "node0",
},
3,
{
"node0-tags": PlaceholderArray(numpy, (3,), np.int8),
"node0-index": PlaceholderArray(numpy, (3,), np.int64),
"node1-data": PlaceholderArray(numpy, (3,), np.int64),
"node2-data": PlaceholderArray(numpy, (6,), np.dtype("datetime64[D]")),
},
highlevel=False,
)
assert layout.length == 3
assert layout.contents[0].length is unknown_length
assert layout.contents[1].length is unknown_length