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 /*
     tests/pybind11_cross_module_tests.cpp -- contains tests that require multiple modules
 
     Copyright (c) 2017 Jason Rhinelander <jason@imaginary.ca>
 
     All rights reserved. Use of this source code is governed by a
     BSD-style license that can be found in the LICENSE file.
 */
 
 #include <pybind11/stl_bind.h>
 
 #include "local_bindings.h"
 #include "pybind11_tests.h"
 #include "test_exceptions.h"
 
 #include <numeric>
 #include <utility>
 
 PYBIND11_MODULE(pybind11_cross_module_tests, m) {
     m.doc() = "pybind11 cross-module test module";
 
     // test_local_bindings.py tests:
     //
     // Definitions here are tested by importing both this module and the
     // relevant pybind11_tests submodule from a test_whatever.py
 
     // test_load_external
     bind_local<ExternalType1>(m, "ExternalType1", py::module_local());
     bind_local<ExternalType2>(m, "ExternalType2", py::module_local());
 
     // test_exceptions.py
     py::register_local_exception<LocalSimpleException>(m, "LocalSimpleException");
     m.def("raise_runtime_error", []() {
         PyErr_SetString(PyExc_RuntimeError, "My runtime error");
         throw py::error_already_set();
     });
     m.def("raise_value_error", []() {
         PyErr_SetString(PyExc_ValueError, "My value error");
         throw py::error_already_set();
     });
     m.def("throw_pybind_value_error", []() { throw py::value_error("pybind11 value error"); });
     m.def("throw_pybind_type_error", []() { throw py::type_error("pybind11 type error"); });
     m.def("throw_stop_iteration", []() { throw py::stop_iteration(); });
     m.def("throw_local_error", []() { throw LocalException("just local"); });
     m.def("throw_local_simple_error", []() { throw LocalSimpleException("external mod"); });
     py::register_exception_translator([](std::exception_ptr p) {
         try {
             if (p) {
                 std::rethrow_exception(p);
             }
         } catch (const shared_exception &e) {
             PyErr_SetString(PyExc_KeyError, e.what());
         }
     });
 
     // translate the local exception into a key error but only in this module
     py::register_local_exception_translator([](std::exception_ptr p) {
         try {
             if (p) {
                 std::rethrow_exception(p);
             }
         } catch (const LocalException &e) {
             PyErr_SetString(PyExc_KeyError, e.what());
         }
     });
 
     // test_local_bindings.py
     // Local to both:
     bind_local<LocalType, 1>(m, "LocalType", py::module_local()).def("get2", [](LocalType &t) {
         return t.i + 2;
     });
 
     // Can only be called with our python type:
     m.def("local_value", [](LocalType &l) { return l.i; });
 
     // test_nonlocal_failure
     // This registration will fail (global registration when LocalFail is already registered
     // globally in the main test module):
     m.def("register_nonlocal", [m]() { bind_local<NonLocalType, 0>(m, "NonLocalType"); });
 
     // test_stl_bind_local
     // stl_bind.h binders defaults to py::module_local if the types are local or converting:
     py::bind_vector<LocalVec>(m, "LocalVec");
     py::bind_map<LocalMap>(m, "LocalMap");
 
     // test_stl_bind_global
     // and global if the type (or one of the types, for the map) is global (so these will fail,
     // assuming pybind11_tests is already loaded):
     m.def("register_nonlocal_vec", [m]() { py::bind_vector<NonLocalVec>(m, "NonLocalVec"); });
     m.def("register_nonlocal_map", [m]() { py::bind_map<NonLocalMap>(m, "NonLocalMap"); });
     // The default can, however, be overridden to global using `py::module_local()` or
     // `py::module_local(false)`.
     // Explicitly made local:
     py::bind_vector<NonLocalVec2>(m, "NonLocalVec2", py::module_local());
     // Explicitly made global (and so will fail to bind):
     m.def("register_nonlocal_map2",
           [m]() { py::bind_map<NonLocalMap2>(m, "NonLocalMap2", py::module_local(false)); });
 
     // test_mixed_local_global
     // We try this both with the global type registered first and vice versa (the order shouldn't
     // matter).
     m.def("register_mixed_global_local",
           [m]() { bind_local<MixedGlobalLocal, 200>(m, "MixedGlobalLocal", py::module_local()); });
     m.def("register_mixed_local_global", [m]() {
         bind_local<MixedLocalGlobal, 2000>(m, "MixedLocalGlobal", py::module_local(false));
     });
     m.def("get_mixed_gl", [](int i) { return MixedGlobalLocal(i); });
     m.def("get_mixed_lg", [](int i) { return MixedLocalGlobal(i); });
 
     // test_internal_locals_differ
     m.def("local_cpp_types_addr",
           []() { return (uintptr_t) &py::detail::get_local_internals().registered_types_cpp; });
 
     // test_stl_caster_vs_stl_bind
     py::bind_vector<std::vector<int>>(m, "VectorInt");
 
     m.def("load_vector_via_binding",
           [](std::vector<int> &v) { return std::accumulate(v.begin(), v.end(), 0); });
 
     // test_cross_module_calls
     m.def("return_self", [](LocalVec *v) { return v; });
     m.def("return_copy", [](const LocalVec &v) { return LocalVec(v); });
 
     class Dog : public pets::Pet {
     public:
         explicit Dog(std::string name) : Pet(std::move(name)) {}
     };
     py::class_<pets::Pet>(m, "Pet", py::module_local()).def("name", &pets::Pet::name);
     // Binding for local extending class:
     py::class_<Dog, pets::Pet>(m, "Dog").def(py::init<std::string>());
     m.def("pet_name", [](pets::Pet &p) { return p.name(); });
 
     py::class_<MixGL>(m, "MixGL", py::module_local()).def(py::init<int>());
     m.def("get_gl_value", [](MixGL &o) { return o.i + 100; });
 
     py::class_<MixGL2>(m, "MixGL2", py::module_local()).def(py::init<int>());
 
     // test_vector_bool
     // We can't test both stl.h and stl_bind.h conversions of `std::vector<bool>` within
     // the same module (it would be an ODR violation). Therefore `bind_vector` of `bool`
     // is defined here and tested in `test_stl_binders.py`.
     py::bind_vector<std::vector<bool>>(m, "VectorBool");
 
     // test_missing_header_message
     // The main module already includes stl.h, but we need to test the error message
     // which appears when this header is missing.
     m.def("missing_header_arg", [](const std::vector<float> &) {});
     m.def("missing_header_return", []() { return std::vector<float>(); });
 }

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