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values: Fix segfault in the testsuite

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It seems pygst_value_from_pyobject should not unref the passed
in object. Wrap the original pygst_value_from_pyobject in a function
that converts unicode python objects and then unrefs the temporary
object after extraction into a GValue.
This commit is contained in:
Jan Schmidt 2009-06-05 23:26:11 +01:00
parent 26fa6dd184
commit 71539efe7f
1 changed files with 36 additions and 23 deletions
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59
gst/pygstvalue.c
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@ -193,32 +193,11 @@ pygst_value_init_for_pyobject (GValue * value, PyObject * obj)
return TRUE;
}
/**
* pygst_value_from_pyobject:
* @value: the GValue object to store the converted value in.
* @obj: the Python object to convert.
*
* This function converts a Python object and stores the result in a
* GValue. The GValue must be initialised in advance with
* g_value_init(). If the Python object can't be converted to the
* type of the GValue, then an error is returned.
*
* Returns: 0 on success, -1 on error.
*/
int
pygst_value_from_pyobject (GValue * value, PyObject * obj)
static int
pygst_value_from_pyobject_internal (GValue * value, PyObject * obj)
{
GType f = g_type_fundamental (G_VALUE_TYPE (value));
/* Unicode objects should be converted to utf-8 strings */
if (PyObject_TypeCheck (obj, &PyUnicode_Type)) {
PyObject *v;
v = PyUnicode_AsUTF8String (obj);
Py_DECREF (obj);
obj = v;
}
/* work around a bug in pygtk whereby pyg_value_from_pyobject claims success
for unknown fundamental types without actually doing anything */
if (f < G_TYPE_MAKE_FUNDAMENTAL (G_TYPE_RESERVED_USER_FIRST)
@ -360,6 +339,40 @@ pygst_value_from_pyobject (GValue * value, PyObject * obj)
}
}
/**
* pygst_value_from_pyobject:
* @value: the GValue object to store the converted value in.
* @obj: the Python object to convert.
*
* This function converts a Python object and stores the result in a
* GValue. The GValue must be initialised in advance with
* g_value_init(). If the Python object can't be converted to the
* type of the GValue, then an error is returned.
*
* Returns: 0 on success, -1 on error.
*/
int
pygst_value_from_pyobject (GValue * value, PyObject * obj)
{
PyObject *v = NULL;
int res;
/* Unicode objects should be converted to utf-8 strings */
if (PyObject_TypeCheck (obj, &PyUnicode_Type)) {
v = PyUnicode_AsUTF8String (obj);
obj = v;
}
res = pygst_value_from_pyobject_internal (value, obj);
if (v) {
Py_DECREF (obj);
}
return res;
}
#define NULL_CHECK(o) if (!o) goto err
gboolean