pitrou commented on code in PR #39380:
URL: https://github.com/apache/arrow/pull/39380#discussion_r1448497227
##########
python/pyarrow/src/arrow/python/common.cc:
##########
@@ -131,6 +138,34 @@ class PythonErrorDetail : public StatusDetail {
}
protected:
+ Result<std::string> FormatImpl() const {
+ PyAcquireGIL lock;
+
+ // Use traceback.format_exception()
+ OwnedRef traceback_module;
+ RETURN_NOT_OK(internal::ImportModule("traceback", &traceback_module));
+
+ OwnedRef fmt_exception;
+ RETURN_NOT_OK(internal::ImportFromModule(traceback_module.obj(),
"format_exception",
+ &fmt_exception));
+
+ OwnedRef formatted;
+ formatted.reset(PyObject_CallFunctionObjArgs(fmt_exception.obj(),
exc_type_.obj(),
+ exc_value_.obj(),
exc_traceback_.obj(),
+ NULL));
+
+ std::stringstream ss;
+ ss << "Python exception: ";
+ Py_ssize_t num_lines = PyList_GET_SIZE(formatted.obj());
Review Comment:
> I assume the function calls will do the type checking internally, correct?
If you're the concrete `PyList` APIs, they will generally assume that it is
a list object. Also, fast access macros such as `PyList_GET_ITEM` don't do any
error checking.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
