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Update siplib

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This commit is contained in:
Robin Dunn
2017-02-01 10:22:48 -08:00
parent e7911f5c1e
commit 29de984d00
2 changed files with 92 additions and 5 deletions
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82
sip/siplib/siplib.c
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@@ -433,6 +433,7 @@ static int sip_api_get_buffer_info(PyObject *obj, sipBufferInfoDef *bi);
static void sip_api_release_buffer_info(sipBufferInfoDef *bi);
static PyObject *sip_api_get_user_object(const sipSimpleWrapper *sw);
static void sip_api_set_user_object(sipSimpleWrapper *sw, PyObject *user);
static int sip_api_enable_gc(int enable);
/*
@@ -585,6 +586,10 @@ static const sipAPIDef sip_api = {
sip_api_find_class,
sip_api_map_int_to_class,
sip_api_map_string_to_class,
/*
* The following are part of the public API.
*/
sip_api_enable_gc,
};
@@ -9392,7 +9397,7 @@ static void sip_api_call_hook(const char *hookname)
return;
/* Call the hook and discard any result. */
res = PyObject_CallObject(hook, NULL);
res = PyObject_Call(hook, empty_tuple, NULL);
Py_XDECREF(res);
}
@@ -13458,3 +13463,78 @@ static int importExceptions(sipExportedModuleDef *client,
return 0;
}
/*
* Enable or disable the garbage collector. Return the previous state or -1 if
* there was an error.
*/
static int sip_api_enable_gc(int enable)
{
static PyObject *enable_func = NULL, *disable_func, *isenabled_func;
PyObject *result;
int was_enabled;
/*
* This may be -ve in the highly unusual event that a previous call failed.
*/
if (enable < 0)
return -1;
/* Get the functions if we haven't already got them. */
if (enable == NULL)
{
PyObject *gc_module;
if ((gc_module = PyImport_ImportModule("gc")) == NULL)
return -1;
if ((enable_func = PyObject_GetAttrString(gc_module, "enable")) == NULL)
{
Py_DECREF(gc_module);
return -1;
}
if ((disable_func = PyObject_GetAttrString(gc_module, "disable")) == NULL)
{
Py_DECREF(enable_func);
Py_DECREF(gc_module);
return -1;
}
if ((isenabled_func = PyObject_GetAttrString(gc_module, "isenabled")) == NULL)
{
Py_DECREF(disable_func);
Py_DECREF(enable_func);
Py_DECREF(gc_module);
return -1;
}
Py_DECREF(gc_module);
}
/* Get the current state. */
if ((result = PyObject_Call(isenabled_func, empty_tuple, NULL)) == NULL)
return -1;
was_enabled = PyObject_IsTrue(result);
Py_DECREF(result);
if (was_enabled < 0)
return -1;
/* See if the state needs changing. */
if (!was_enabled != !enable)
{
/* Enable or disable as required. */
result = PyObject_Call((enable ? enable_func : disable_func),
empty_tuple, NULL);
Py_XDECREF(result);
if (result != Py_None)
return -1;
}
return was_enabled;
}