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added initial support for numpy ndarrays and scalars #208

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Dec 2, 2022
Merged

added initial support for numpy ndarrays and scalars #208

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6241e5c
added initial support for numpy ndarrays and scalars
Dec 2, 2022
f3dfeb2
added test for floats
Dec 2, 2022
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7 changes: 6 additions & 1 deletion gqlalchemy/utilities.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@
# limitations under the License.

import math
import numpy as np

from datetime import datetime, date, time, timedelta
from enum import Enum
from typing import Any, Dict, List, Optional, Tuple, Union
Expand Down Expand Up @@ -88,13 +90,16 @@ def to_cypher_value(value: Any, config: NetworkXCypherConfig = None) -> str:
if value_type in [int, float, bool]:
return str(value)

if value_type in [list, set, tuple]:
if value_type in [list, set, tuple, np.ndarray]:
return f"[{', '.join(map(to_cypher_value, value))}]"

if value_type == dict:
lines = ", ".join(f"{k}: {to_cypher_value(v)}" for k, v in value.items())
return f"{{{lines}}}"

if isinstance(value, np.generic):
return to_cypher_value(value.item())

if value is None:
return "null"

Expand Down
4 changes: 4 additions & 0 deletions tests/test_utilities.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

import datetime
import math
import numpy as np
import pytest

from gqlalchemy.utilities import (
Expand All @@ -37,6 +38,9 @@
({"k1": 123, "k2": {"subkey1": "abc"}}, "{k1: 123, k2: {subkey1: 'abc'}}"),
(None, "null"),
(True, "True"),
(np.array([1, 2, 3]), "[1, 2, 3]"),
(np.array(["1", "2", "3"]), "['1', '2', '3']"),
(np.array([[1, 2], [3, 4], [4, 5]]), "[[1, 2], [3, 4], [4, 5]]"),
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],
)
def test_to_cypher_value(value, cypher_value):
Expand Down