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Disable implicit conversion from PyFloat to uint64 #1362

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Merged
lostmsu merged 2 commits into from
Jan 21, 2021
Merged

Disable implicit conversion from PyFloat to uint64 #1362

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494a372
Disable implicit conversion from PyFloat to uint64
tminka Jan 21, 2021
7bf5c4d
Omitted redundant type check
tminka Jan 21, 2021
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8 changes: 2 additions & 6 deletions src/runtime/converter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -701,16 +701,12 @@ private static bool ToPrimitive(IntPtr value, Type obType, out object result, bo
op = value;
if (Runtime.PyObject_TYPE(value) != Runtime.PyLongType)
{
op = Runtime.PyNumber_Long(value);
if (op == IntPtr.Zero)
{
goto convert_error;
}
goto type_error;
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@lostmsu lostmsu Jan 21, 2021

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I think this can be skipped alltogether. https://docs.python.org/3.8/c-api/long.html#c.PyLong_AsUnsignedLongLong already checks the type.

}
ulong num = Runtime.PyLong_AsUnsignedLongLong(op);
if (num == ulong.MaxValue && Exceptions.ErrorOccurred())
{
goto overflow;
goto convert_error;
}
result = num;
return true;
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5 changes: 4 additions & 1 deletion src/tests/test_conversion.py
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Expand Up @@ -382,7 +382,10 @@ def test_uint64_conversion():
ob.UInt64Field = System.UInt64(0)
assert ob.UInt64Field == 0

with pytest.raises(ValueError):
with pytest.raises(TypeError):
ConversionTest().UInt64Field = 0.5

with pytest.raises(TypeError):
ConversionTest().UInt64Field = "spam"

with pytest.raises(TypeError):
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