Richard Tia created ARROW-16967:
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Summary: [Python] Subclassing the PyExtensionType and getting it's
bit_width attribute returns Non-fixed width type ValueError
Key: ARROW-16967
URL: https://issues.apache.org/jira/browse/ARROW-16967
Project: Apache Arrow
Issue Type: Bug
Components: Python
Environment: pyarrow 9.0.0dev
python 3.9
Reporter: Richard Tia
Subclassing the PyExtensionType and getting it's bit_width attribute returns
Non-fixed width type ValueError
[https://arrow.apache.org/docs/python/extending_types.html#defining-extension-types-user-defined-types]
>From example in above link:
{code:java}
import pyarrow as pa
class UuidType(pa.PyExtensionType):
def __init__(self):
pa.PyExtensionType.__init__(self, pa.binary(16))
def __reduce__(self):
return UuidType, ()
uuid_type = UuidType()
print(uuid_type.bit_width)
{code}
Error:
{code:java}
E ValueError: Non-fixed width type
pyarrow/types.pxi:157: ValueError {code}
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