Jun created ARROW-2091:
--------------------------
Summary: Interacting with arrow/pyarrow in C++
Key: ARROW-2091
URL: https://issues.apache.org/jira/browse/ARROW-2091
Project: Apache Arrow
Issue Type: Improvement
Reporter: Jun
I've been searching online for a while but cannot figure out how to do this.
Please help if this is already a resolved issue.
I have a c++/python application that interacts with arrow/pyarrow. I want to
write a C++ api that takes python objects directly and operate on them in c++.
{code:java}
PyObject* process_table(PyObject* table)
{
// process the arrow table
std::shared_ptr<arrow::Table> tablePtr = table; // How?
}{code}
The problem here is: how do I extract the internal std::shared_ptr<Table> from
the PyObject?
Unfortunately we are not using cython in our stack, we operate on PyObject *
directly in c++.
I can easily do this on numpy arrays:
{code:java}
PyObject * process_array(PyObject* arr)
{
PyArray_Check(arr);
// process the PyArrayObject directly
...
}{code}
I wonder is there any way to achieve this level of c++ integration without
using cython? Thanks!
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