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fix: catch missing self argument in overloads constructor (#2914)

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Robert Haschke 2021-04-02 19:13:44 +02:00 committed by GitHub
parent 3df0ee6fe3
commit c2db53da56
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2 changed files with 8 additions and 6 deletions
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4
include/pybind11/pybind11.h
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@ -555,8 +555,8 @@ protected:
auto self_value_and_holder = value_and_holder();
if (overloads->is_constructor) {
if (!PyObject_TypeCheck(parent.ptr(), (PyTypeObject *) overloads->scope.ptr())) {
PyErr_SetString(PyExc_TypeError, "__init__(self, ...) called with invalid `self` argument");
if (!parent || !PyObject_TypeCheck(parent.ptr(), (PyTypeObject *) overloads->scope.ptr())) {
PyErr_SetString(PyExc_TypeError, "__init__(self, ...) called with invalid or missing `self` argument");
return nullptr;
}

10
tests/test_factory_constructors.py
View File

@ -486,7 +486,9 @@ def test_invalid_self():
# Same as above, but for a class with an alias:
class BrokenTF6(m.TestFactory6):
def __init__(self, bad):
if bad == 1:
if bad == 0:
m.TestFactory6.__init__()
elif bad == 1:
a = m.TestFactory2(tag.pointer, 1)
m.TestFactory6.__init__(a, tag.base, 1)
elif bad == 2:
@ -506,13 +508,13 @@ def test_invalid_self():
BrokenTF1(arg)
assert (
str(excinfo.value)
== "__init__(self, ...) called with invalid `self` argument"
== "__init__(self, ...) called with invalid or missing `self` argument"
)
for arg in (1, 2, 3, 4):
for arg in (0, 1, 2, 3, 4):
with pytest.raises(TypeError) as excinfo:
BrokenTF6(arg)
assert (
str(excinfo.value)
== "__init__(self, ...) called with invalid `self` argument"
== "__init__(self, ...) called with invalid or missing `self` argument"
)