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_schemaMapper.cc
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1/*
2 * This file is part of afw.
3 *
4 * Developed for the LSST Data Management System.
5 * This product includes software developed by the LSST Project
6 * (https://www.lsst.org).
7 * See the COPYRIGHT file at the top-level directory of this distribution
8 * for details of code ownership.
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 GNU General Public License
21 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 */
23
24#include "pybind11/pybind11.h"
25#include "pybind11/stl.h"
26
28
30#include "lsst/afw/table/Key.h"
34
35namespace py = pybind11;
36using namespace pybind11::literals;
37
38namespace lsst {
39namespace afw {
40namespace table {
41
42using cpputils::python::WrapperCollection;
43using PySchemaMapper = py::class_<SchemaMapper, std::shared_ptr<SchemaMapper>>;
44
45namespace {
46
47template <typename T>
48void declareSchemaMapperOverloads(PySchemaMapper &cls, std::string const &suffix) {
49 cls.def("getMapping", (Key<T>(SchemaMapper::*)(Key<T> const &) const) & SchemaMapper::getMapping);
50 cls.def("isMapped", (bool (SchemaMapper::*)(Key<T> const &) const) & SchemaMapper::isMapped);
51};
52
53} // namespace
54
56 wrappers.wrapType(PySchemaMapper(wrappers.module, "SchemaMapper"), [](auto &mod, auto &cls) {
57 cls.def(py::init<>());
58 cls.def(py::init<Schema const &, Schema const &>());
59 cls.def(py::init<Schema const &, bool>(), "input"_a, "shareAliasMap"_a = false);
60
61 cls.def("getInputSchema", &SchemaMapper::getInputSchema);
62 cls.def("getOutputSchema", &SchemaMapper::getOutputSchema);
63 cls.def("editOutputSchema", &SchemaMapper::editOutputSchema,
64 py::return_value_policy::reference_internal);
65 cls.def("addMinimalSchema", &SchemaMapper::addMinimalSchema, "minimal"_a, "doMap"_a = true);
66 cls.def_static("removeMinimalSchema", &SchemaMapper::removeMinimalSchema);
67 cls.def_static("join", &SchemaMapper::join, "inputs"_a, "prefixes"_a = std::vector<std::string>());
68
69 declareSchemaMapperOverloads<std::uint8_t>(cls, "B");
70 declareSchemaMapperOverloads<std::uint16_t>(cls, "U");
71 declareSchemaMapperOverloads<std::int32_t>(cls, "I");
72 declareSchemaMapperOverloads<std::int64_t>(cls, "L");
73 declareSchemaMapperOverloads<float>(cls, "F");
74 declareSchemaMapperOverloads<double>(cls, "D");
75 declareSchemaMapperOverloads<std::string>(cls, "String");
76 declareSchemaMapperOverloads<lsst::geom::Angle>(cls, "Angle");
77 declareSchemaMapperOverloads<lsst::afw::table::Flag>(cls, "Flag");
78 declareSchemaMapperOverloads<lsst::afw::table::Array<std::uint8_t>>(cls, "ArrayB");
79 declareSchemaMapperOverloads<lsst::afw::table::Array<std::uint16_t>>(cls, "ArrayU");
80 declareSchemaMapperOverloads<lsst::afw::table::Array<int>>(cls, "ArrayI");
81 declareSchemaMapperOverloads<lsst::afw::table::Array<float>>(cls, "ArrayF");
82 declareSchemaMapperOverloads<lsst::afw::table::Array<double>>(cls, "ArrayD");
83 });
84}
85
86} // namespace table
87} // namespace afw
88} // namespace lsst
A class used as a handle to a particular field in a table.
Definition KeyBase.h:16
A mapping between the keys of two Schemas, used to copy data between them.
Key< T > getMapping(Key< T > const &inputKey) const
Return the output Key corresponding to the given input Key, or raise NotFoundError.
bool isMapped(Key< T > const &inputKey) const
Return true if the given input Key is mapped to an output Key.
A helper class for subdividing pybind11 module across multiple translation units (i....
Definition python.h:242
PyType wrapType(PyType cls, ClassWrapperCallback function, bool setModuleName=true)
Add a type (class or enum) wrapper, deferring method and other attribute definitions until finish() i...
Definition python.h:391
pybind11::module module
The module object passed to the PYBIND11_MODULE block that contains this WrapperCollection.
Definition python.h:448
void wrapSchemaMapper(WrapperCollection &wrappers)
py::class_< SchemaMapper, std::shared_ptr< SchemaMapper > > PySchemaMapper