Files
pycapnp/capnp/asyncHelper.h
2013-09-18 17:19:06 -07:00

24 lines
927 B
C

#include "kj/async.h"
#include "Python.h"
extern "C" {
PyObject * wrap_kj_exception(kj::Exception &);
}
PyObject * wrapPyFunc(PyObject * func, PyObject * arg) {
PyObject * result = PyObject_CallFunctionObjArgs(func, arg, NULL);
Py_DECREF(func);
return result;
}
::kj::Promise<PyObject *> evalLater(kj::EventLoop & loop, PyObject * func) {
return loop.evalLater([func]() { return wrapPyFunc(func, NULL); } );
}
::kj::Promise<PyObject *> there(kj::EventLoop & loop, kj::Promise<PyObject *> & promise, PyObject * func, PyObject * error_func) {
if(error_func == Py_None)
return loop.there(kj::mv(promise), [func](PyObject * arg) { return wrapPyFunc(func, arg); } );
else
return loop.there(kj::mv(promise), [func](PyObject * arg) { return wrapPyFunc(func, arg); }
, [error_func](kj::Exception arg) { return wrapPyFunc(error_func, wrap_kj_exception(arg)); } );
}