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Update doc files to match recent fixes for latest pyarrow/polars. #22

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Merged
lgautier merged 1 commit into from
Sep 8, 2025
Merged

Update doc files to match recent fixes for latest pyarrow/polars. #22

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4 changes: 2 additions & 2 deletions doc/notebooks/faster-rpy2-conversion.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,7 @@ custom converter for :mod:`rpy2` is done in few lines of code.
...: # We build a custom converter that is the default converter
...: # for ipython/jupyter shipping with rpy2, to which we add
...: # rules for Arrow + pandas we just made.
...: conv = rpy2.ipython.rmagic.converter + conv
...: conv = rpy2.ipython.rmagic.default.converter + conv

Our custom converter ``conv`` can be specified as a parameter to
``%%R``:
Expand Down Expand Up @@ -118,7 +118,7 @@ It is also possible to only convert to an Arrow data structure.
...: pa_tbl = pyarrow.Table.from_pandas(dataf)
...: return pyra.converter.py2rpy(pa_tbl)
...:
...: conv2 = rpy2.ipython.rmagic.converter + conv2
...: conv2 = rpy2.ipython.rmagic.default.converter + conv2

.. ipython::

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4 changes: 3 additions & 1 deletion rpy2_arrow/arrow.py
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Expand Up @@ -125,7 +125,9 @@ def pyarrow_to_r_recordbatchreader(

stream_ptr = ffi.new('struct ArrowArrayStream*')
obj._export_to_c(_c_ptr_to_int(stream_ptr))
return rarrow.RecordBatchReader['import_from_c'](_rarrow_ptr(stream_ptr))
with robjects.default_converter.context():
r_ptr = _rarrow_ptr(stream_ptr)
return rarrow.RecordBatchReader['import_from_c'](r_ptr)


def rarrow_to_py_recordbatchreader(
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