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python: Avoid treating float as int

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Since python 3.10 implicit conversion to integers using `__int__` as
been completely removed (was deprecated behavior in 3.9) so we need
to cleanly handle it now.

See https://gitlab.gnome.org/GNOME/pitivi/-/issues/2589

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1358>
This commit is contained in:
Thibault Saunier 2021-11-16 23:36:10 -03:00 committed by GStreamer Marge Bot
parent 219d757ac5
commit f95f63c5af
1 changed files with 47 additions and 7 deletions
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54
subprojects/gst-python/gi/overrides/gstmodule.c
View file

@ -104,18 +104,58 @@ gi_gst_fraction_from_value (const GValue * value)
static int
gi_gst_fraction_to_value (GValue * value, PyObject * object)
{
PyObject *numerator, *denominator;
glong numerator, denominator;
PyObject *numerator_obj, *denominator_obj, *is_integer;
numerator = PyObject_GetAttrString (object, "num");
if (numerator == NULL)
numerator_obj = PyObject_GetAttrString (object, "num");
if (numerator_obj == NULL)
goto fail;
denominator = PyObject_GetAttrString (object, "denom");
if (denominator == NULL)
is_integer = PyObject_CallMethod (numerator_obj, "is_integer", NULL);
if (is_integer != Py_True) {
PyErr_Format (PyExc_TypeError,
"numerator %f is not an integer.", PyFloat_AsDouble (numerator_obj));
Py_DECREF (is_integer);
goto fail;
}
Py_DECREF (is_integer);
numerator = PyFloat_AsDouble (numerator_obj);
if (numerator < -G_MAXINT || numerator > G_MAXINT) {
PyErr_Format (PyExc_ValueError,
"numerator %" G_GINT64_FORMAT " is out of bound. [-%d - %d]",
numerator, G_MAXINT, G_MAXINT);
goto fail;
}
denominator_obj = PyObject_GetAttrString (object, "denom");
if (denominator_obj == NULL)
goto fail;
gst_value_set_fraction (value,
PyLong_AsLong (numerator), PyLong_AsLong (denominator));
is_integer = PyObject_CallMethod (denominator_obj, "is_integer", NULL);
if (is_integer != Py_True) {
PyErr_Format (PyExc_TypeError,
"denominator %f is not an integer.",
PyFloat_AsDouble (denominator_obj));
Py_DECREF (is_integer);
goto fail;
}
Py_DECREF (is_integer);
denominator = PyFloat_AsDouble (denominator_obj);
if (denominator == 0) {
PyErr_SetString (PyExc_ValueError, "denominator is 0.");
goto fail;
}
if (denominator < -G_MAXINT || denominator > G_MAXINT) {
PyErr_Format (PyExc_ValueError,
"denominator %" G_GINT64_FORMAT " is out of bound. [-%d - %d]",
denominator, G_MAXINT, G_MAXINT);
goto fail;
}
gst_value_set_fraction (value, numerator, denominator);
return 0;