Minimal pycapnp

capnp/helpers/exception.cpp

@@ -0,0 +1,31 @@
+#include "capnp/helpers/exception.h"
+#include "capnp/lib/capnp_api.h"
+
+void c_reraise_kj_exception() {
+  GILAcquire gil;
+  try {
+    if (PyErr_Occurred())
+      ; // let the latest Python exn pass through and ignore the current one
+    else
+      throw;
+  }
+  catch (kj::Exception& exn) {
+    auto obj = wrap_kj_exception_for_reraise(exn);
+    if (obj == nullptr) {
+      return;
+    }
+    PyErr_SetObject((PyObject*)obj->ob_type, obj);
+    Py_DECREF(obj);
+  }
+  catch (const std::exception& exn) {
+    PyErr_SetString(PyExc_RuntimeError, exn.what());
+  }
+  catch (...)
+  {
+    PyErr_SetString(PyExc_RuntimeError, "Unknown exception");
+  }
+}
+
+void init_capnp_api() {
+    import_capnp__lib__capnp();
+}