pybind/pybind11
1
0
Fork 0
mirror of https://github.com/pybind/pybind11.git synced 2026-04-19 22:39:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

Clone of @virtuald's PR #2112 with minor enhancements. (#3215)

Browse Source 
* Add py::raise_from to enable chaining exceptions on Python 3.3+

* Use 'raise from' in initialization

* Documenting the exact base version of _PyErr_FormatVFromCause, adding back `assert`s.

Co-authored-by: Dustin Spicuzza <dustin@virtualroadside.com>
This commit is contained in:
Ralf W. Grosse-Kunstleve
2021-08-23 17:30:01 -07:00
committed by GitHub
parent 6cbabc4b8c
commit c8ce4b8df8
6 changed files with 136 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
tests/test_exceptions.cpp
View File

@@ -262,4 +262,24 @@ TEST_SUBMODULE(exceptions, m) {
m.def("simple_bool_passthrough", [](bool x) {return x;});
m.def("throw_should_be_translated_to_key_error", []() { throw shared_exception(); });
#if PY_VERSION_HEX >= 0x03030000
m.def("raise_from", []() {
PyErr_SetString(PyExc_ValueError, "inner");
py::raise_from(PyExc_ValueError, "outer");
throw py::error_already_set();
});
m.def("raise_from_already_set", []() {
try {
PyErr_SetString(PyExc_ValueError, "inner");
throw py::error_already_set();
} catch (py::error_already_set& e) {
py::raise_from(e, PyExc_ValueError, "outer");
throw py::error_already_set();
}
});
#endif
}