bkietz commented on code in PR #37769:
URL: https://github.com/apache/arrow/pull/37769#discussion_r1330083582
##########
dev/archery/archery/integration/tester_cpp.py:
##########
@@ -133,3 +142,104 @@ def flight_request(self, port, json_path=None,
scenario_name=None):
if self.debug:
log(' '.join(cmd))
run_cmd(cmd)
+
+ def make_c_data_exporter(self):
+ return CppCDataExporter(self.debug, self.args)
+
+ def make_c_data_importer(self):
+ return CppCDataImporter(self.debug, self.args)
+
+
+_cpp_c_data_entrypoints = """
+ const char* ArrowCpp_CDataIntegration_ExportSchemaFromJson(
+ const char* json_path, struct ArrowSchema* out);
+ const char* ArrowCpp_CDataIntegration_ImportSchemaAndCompareToJson(
+ const char* json_path, struct ArrowSchema* schema);
+
+ const char* ArrowCpp_CDataIntegration_ExportBatchFromJson(
+ const char* json_path, int num_batch, struct ArrowArray* out);
+ const char* ArrowCpp_CDataIntegration_ImportBatchAndCompareToJson(
+ const char* json_path, int num_batch, struct ArrowArray* batch);
+
+ int64_t ArrowCpp_BytesAllocated();
+ """
+
+
[email protected]_cache
+def _load_ffi(ffi, lib_path=_ARROW_DLL):
+ ffi.cdef(_cpp_c_data_entrypoints)
+ dll = ffi.dlopen(lib_path)
+ dll.ArrowCpp_CDataIntegration_ExportSchemaFromJson
+ return dll
+
+
+class _CDataBase:
Review Comment:
It's a nit: a cache implies multiplicity to me, which isn't the intent here
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