Zengtudor/pybind11
1
0
Fork 0
mirror of https://github.com/pybind/pybind11.git synced 2024-11-22 13:15:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: clear local internals after finalizing interpreter #2101 (#3744)

Browse Source 
* Clear local internals after finalizing interpreter

* Add descriptive comments

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
This commit is contained in:
StarQTius 2022-02-20 17:00:29 +01:00 committed by GitHub
parent 44596bc4ee
commit 9aa676d38d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 22 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/pybind11/embed.h
View File

@ -198,6 +198,10 @@ inline void finalize_interpreter() {
if (builtins.contains(id) && isinstance<capsule>(builtins[id])) { if (builtins.contains(id) && isinstance<capsule>(builtins[id])) {
internals_ptr_ptr = capsule(builtins[id]); internals_ptr_ptr = capsule(builtins[id]);
} }
// Local internals contains data managed by the current interpreter, so we must clear them to
// avoid undefined behaviors when initializing another interpreter
detail::get_local_internals().registered_types_cpp.clear();
detail::get_local_internals().registered_exception_translators.clear();
Py_Finalize(); Py_Finalize();

18
tests/test_embed/test_interpreter.cpp
View File

@ -375,3 +375,21 @@ TEST_CASE("sys.argv gets initialized properly") {
} }
py::initialize_interpreter(); py::initialize_interpreter();
} }
TEST_CASE("make_iterator can be called before then after finalizing an interpreter") {
// Reproduction of issue #2101 (https://github.com/pybind/pybind11/issues/2101)
py::finalize_interpreter();
std::vector<int> container;
{
pybind11::scoped_interpreter g;
auto iter = pybind11::make_iterator(container.begin(), container.end());
}
REQUIRE_NOTHROW([&]() {
pybind11::scoped_interpreter g;
auto iter = pybind11::make_iterator(container.begin(), container.end());
}());
py::initialize_interpreter();
}