Minimal pycapnp

capnp/helpers/exception.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <Python.h>
+#include <kj/exception.h>
+#include <stdexcept>
+
+class GILAcquire {
+public:
+  GILAcquire() : gstate(PyGILState_Ensure()) {}
+  ~GILAcquire() {
+    PyGILState_Release(gstate);
+  }
+
+  PyGILState_STATE gstate;
+};
+
+void c_reraise_kj_exception();
+void init_capnp_api();