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0558a9a739
Issue #633 suggests people might be tempted to copy the test scripts self-binding code, but that's a bad idea for pretty much anything other than a test suite with self-contained test code. This commit adds a comment as such with a reference to the documentation that tells people how to do it instead.
59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
/*
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tests/pybind11_tests.cpp -- pybind example plugin
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Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#include "pybind11_tests.h"
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#include "constructor_stats.h"
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/*
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For testing purposes, we define a static global variable here in a function that each individual
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test .cpp calls with its initialization lambda. It's convenient here because we can just not
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compile some test files to disable/ignore some of the test code.
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It is NOT recommended as a way to use pybind11 in practice, however: the initialization order will
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be essentially random, which is okay for our test scripts (there are no dependencies between the
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individual pybind11 test .cpp files), but most likely not what you want when using pybind11
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productively.
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Instead, see the "How can I reduce the build time?" question in the "Frequently asked questions"
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section of the documentation for good practice on splitting binding code over multiple files.
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*/
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std::list<std::function<void(py::module &)>> &initializers() {
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static std::list<std::function<void(py::module &)>> inits;
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return inits;
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}
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test_initializer::test_initializer(std::function<void(py::module &)> initializer) {
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initializers().push_back(std::move(initializer));
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}
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void bind_ConstructorStats(py::module &m) {
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py::class_<ConstructorStats>(m, "ConstructorStats")
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.def("alive", &ConstructorStats::alive)
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.def("values", &ConstructorStats::values)
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.def_readwrite("default_constructions", &ConstructorStats::default_constructions)
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.def_readwrite("copy_assignments", &ConstructorStats::copy_assignments)
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.def_readwrite("move_assignments", &ConstructorStats::move_assignments)
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.def_readwrite("copy_constructions", &ConstructorStats::copy_constructions)
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.def_readwrite("move_constructions", &ConstructorStats::move_constructions)
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.def_static("get", (ConstructorStats &(*)(py::object)) &ConstructorStats::get, py::return_value_policy::reference_internal);
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}
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PYBIND11_PLUGIN(pybind11_tests) {
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py::module m("pybind11_tests", "pybind testing plugin");
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bind_ConstructorStats(m);
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for (const auto &initializer : initializers())
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initializer(m);
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if (!py::hasattr(m, "have_eigen")) m.attr("have_eigen") = false;
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return m.ptr();
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}
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