Author vstinner
Recipients corona10, nascheme, petdance, serhiy.storchaka, shihai1991, steve.dower, vstinner
Date 2020-04-15.01:35:27
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Message-id <1586914527.97.0.175492629419.issue39573@roundup.psfhosted.org>
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Content
PyType_FromSpec() and PyType_Spec API are not currently compatible with opaque PyObject.

Example:
---
#define PyObject_HEAD    PyObject ob_base;

typedef struct {
    PyObject_HEAD
    ...
} MyObject;

static PyType_Spec type_spec = {
    .name = "MyObject",
    .basicsize = sizeof(MyObject),
    ...
};

... = PyType_FromSpec(&type_spec);
---

sizeof(MyObject) requires to compute sizeof(PyObject).

Issue reported by Ronald Oussoren on python-dev:
https://mail.python.org/archives/list/python-dev@python.org/message/PGKRW7S2IUOWVRX6F7RT6VAWD3ZPUDYS/
History
Date User Action Args
2020-04-15 01:35:28vstinnersetrecipients: + vstinner, nascheme, serhiy.storchaka, steve.dower, corona10, shihai1991, petdance
2020-04-15 01:35:27vstinnersetmessageid: <1586914527.97.0.175492629419.issue39573@roundup.psfhosted.org>
2020-04-15 01:35:27vstinnerlinkissue39573 messages
2020-04-15 01:35:27vstinnercreate