milesgranger opened a new pull request, #13921:
URL: https://github.com/apache/arrow/pull/13921
Example:
```python
In [1]: import io
In [2]: import pyarrow as pa
In [3]: pa.PythonFile(io.BytesIO())
Out[3]: pyarrow.lib.PythonFile(own_file=False, is_seekable=False,
is_writable=True, is_readable=False)
In [4]: pa.Codec('gzip')
Out[4]: pyarrow.lib.Codec(name=gzip, compression_level=9)
In [5]: pool = pa.default_memory_pool()
In [6]: pool
Out[6]: pyarrow.lib.MemoryPool(backend_name=jemalloc, bytes_allocated=0,
max_memory=0)
In [7]: pa.allocate_buffer(1024, memory_pool=pool)
Out[7]: pyarrow.lib.Buffer(size=1024, is_cpu=True, is_mutable=True)
```
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