Esempi in C++ (Cpp) per PyC_RunString_AsNumber

Esempio n. 1

File: bpy_interface.c Progetto: UPBGE/blender

/**
 * \return success
 */
bool BPY_execute_string_as_number(bContext *C, const char *expr, double *value, const bool verbose)
{
	PyGILState_STATE gilstate;
	bool ok = true;

	if (!value || !expr) return -1;

	if (expr[0] == '\0') {
		*value = 0.0;
		return ok;
	}

	bpy_context_set(C, &gilstate);

	ok = PyC_RunString_AsNumber(expr, value, "<blender button>");

	if (ok == false) {
		if (verbose) {
			BPy_errors_to_report_ex(CTX_wm_reports(C), false, false);
		}
		else {
			PyErr_Clear();
		}
	}

	bpy_context_clear(C, &gilstate);

	return ok;
}

Esempio n. 2

File: bpy_utils_units.c Progetto: DarkDefender/blender-npr-tess2

static PyObject *bpyunits_to_value(PyObject *UNUSED(self), PyObject *args, PyObject *kw)
{
	static const char *kwlist[] = {"unit_system", "unit_category", "str_input", "str_ref_unit", NULL};

	char *usys_str = NULL, *ucat_str = NULL, *inpt = NULL, *uref = NULL;
	const float scale = 1.0f;

	char *str;
	Py_ssize_t str_len;
	double result;
	int usys, ucat;
	PyObject *ret;

	if (!PyArg_ParseTupleAndKeywords(args, kw, "sss#|z:bpy.utils.units.to_value", (char **)kwlist,
	                                 &usys_str, &ucat_str, &inpt, &str_len, &uref))
	{
		return NULL;
	}

	if (!bpyunits_validate(usys_str, ucat_str, &usys, &ucat)) {
		return NULL;
	}

	str_len = str_len * 2 + 64;
	str = PyMem_MALLOC(sizeof(*str) * (size_t)str_len);
	BLI_strncpy(str, inpt, (size_t)str_len);

	bUnit_ReplaceString(str, (int)str_len, uref, scale, usys, ucat);

	if (!PyC_RunString_AsNumber(str, &result, "<bpy_units_api>")) {
		if (PyErr_Occurred()) {
			PyErr_Print();
			PyErr_Clear();
		}

		PyErr_Format(PyExc_ValueError,
		             "'%.200s' (converted as '%s') could not be evaluated.",
		             inpt, str);
		ret = NULL;
	}
	else {
		ret = PyFloat_FromDouble(result);
	}

	PyMem_FREE(str);
	return ret;
}