[ARROW-14267] [Python] Cannot convert pd.DataFrame with geometry cells to pa.Table

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 5.0.0
• Component/s: Python
• Labels: pyarrow
• External issue URL: https://github.com/apache/arrow/issues/29844
• Assignee: Unassigned
• Reporter: Henrikh Kantuni
• Created: 08/Oct/21 21:37
• Updated: 11/Jan/23 08:38

Description

Example: 

import geopandas as gpd
import pandas as pd
import pyarrow as pa


path = gpd.datasets.get_path("naturalearth_lowres")
data = gpd.read_file(path)
df = pd.DataFrame(data)
table = pa.Table.from_pandas(df)
print(table)

Throws the following error:

Traceback (most recent call last):
 File "/Users/Henrikh/Desktop/tmp.py", line 8, in <module>
 table = pa.Table.from_pandas(df)
 File "pyarrow/table.pxi", line 1553, in pyarrow.lib.Table.from_pandas
 File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 594, in dataframe_to_arrays
 arrays = [convert_column(c, f)
 File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 594, in <listcomp>
 arrays = [convert_column(c, f)
 File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 581, in convert_column
 raise e
 File "/usr/local/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 575, in convert_column
 result = pa.array(col, type=type_, from_pandas=True, safe=safe)
 File "pyarrow/array.pxi", line 302, in pyarrow.lib.array
 File "pyarrow/array.pxi", line 79, in pyarrow.lib._ndarray_to_array
 File "pyarrow/array.pxi", line 67, in pyarrow.lib._ndarray_to_type
 File "pyarrow/error.pxi", line 120, in pyarrow.lib.check_status
pyarrow.lib.ArrowTypeError: ('Did not pass numpy.dtype object', 'Conversion failed for column geometry with type geometry')