LSST Applications  21.0.0-172-gfb10e10a+18fedfabac,22.0.0+297cba6710,22.0.0+80564b0ff1,22.0.0+8d77f4f51a,22.0.0+a28f4c53b1,22.0.0+dcf3732eb2,22.0.1-1-g7d6de66+2a20fdde0d,22.0.1-1-g8e32f31+297cba6710,22.0.1-1-geca5380+7fa3b7d9b6,22.0.1-12-g44dc1dc+2a20fdde0d,22.0.1-15-g6a90155+515f58c32b,22.0.1-16-g9282f48+790f5f2caa,22.0.1-2-g92698f7+dcf3732eb2,22.0.1-2-ga9b0f51+7fa3b7d9b6,22.0.1-2-gd1925c9+bf4f0e694f,22.0.1-24-g1ad7a390+a9625a72a8,22.0.1-25-g5bf6245+3ad8ecd50b,22.0.1-25-gb120d7b+8b5510f75f,22.0.1-27-g97737f7+2a20fdde0d,22.0.1-32-gf62ce7b1+aa4237961e,22.0.1-4-g0b3f228+2a20fdde0d,22.0.1-4-g243d05b+871c1b8305,22.0.1-4-g3a563be+32dcf1063f,22.0.1-4-g44f2e3d+9e4ab0f4fa,22.0.1-42-gca6935d93+ba5e5ca3eb,22.0.1-5-g15c806e+85460ae5f3,22.0.1-5-g58711c4+611d128589,22.0.1-5-g75bb458+99c117b92f,22.0.1-6-g1c63a23+7fa3b7d9b6,22.0.1-6-g50866e6+84ff5a128b,22.0.1-6-g8d3140d+720564cf76,22.0.1-6-gd805d02+cc5644f571,22.0.1-8-ge5750ce+85460ae5f3,master-g6e05de7fdc+babf819c66,master-g99da0e417a+8d77f4f51a,w.2021.48
LSST Data Management Base Package
readProxy.h
Go to the documentation of this file.
1 // -*- lsst-c++ -*-
2 
3 /*
4  * LSST Data Management System
5  * Copyright 2008, 2009, 2010 LSST Corporation.
6  *
7  * This product includes software developed by the
8  * LSST Project (http://www.lsst.org/).
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation, either version 3 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the LSST License Statement and
21  * the GNU General Public License along with this program. If not,
22  * see <http://www.lsstcorp.org/LegalNotices/>.
23  */
24 
25 #ifndef LSST_DAF_PERSISTENCE_PYTHON_READPROXY_H
26 #define LSST_DAF_PERSISTENCE_PYTHON_READPROXY_H
27 
28 #include "pybind11/pybind11.h"
29 
30 namespace lsst {
31 namespace daf {
32 namespace persistence {
33 namespace python {
34 
44 public:
45  pybind11::object subject;
46 };
47 
56 template <typename OutputType> void register_proxy() {
57  namespace py = pybind11;
58  auto implicit_caster = [](PyObject *obj, PyTypeObject *type) -> PyObject * {
59  if (!py::detail::make_caster<lsst::daf::persistence::python::ReadProxyBase>().load(obj, false)) {
60  return nullptr;
61  }
62  PyObject *result = PyObject_GetAttrString(obj, "__subject__");
63  if (result == nullptr) {
64  PyErr_Clear(); // needed to fall through to next conversion
65  }
66  return result;
67  };
68 
69  if (auto tinfo = py::detail::get_type_info(typeid(OutputType))) {
70  tinfo->implicit_conversions.push_back(implicit_caster);
71  } else {
72  py::pybind11_fail("register_proxy: Unable to find type " + py::type_id<OutputType>());
73  }
74 }
75 
76 }}}}
77 
78 #endif
py::object result
Definition: _schema.cc:429
table::Key< int > type
Definition: Detector.cc:163
Base class for lazy-loading proxy.
Definition: readProxy.h:43
void register_proxy()
Register a type for (optional) lazy load.
Definition: readProxy.h:56
A base class for image defects.