#include <config.h>
#include "libsigrokdecode-internal.h" /* First, so we avoid a _POSIX_C_SOURCE warning. */
+/**
+ * Import a Python module by name.
+ *
+ * This function is implemented in terms of PyImport_Import() rather than
+ * PyImport_ImportModule(), so that the import hooks are not bypassed.
+ *
+ * @param[in] name The name of the module to load as UTF-8 string.
+ * @return The Python module object, or NULL if an exception occurred. The
+ * caller is responsible for evaluating and clearing the Python error state.
+ *
+ * @private
+ */
+SRD_PRIV PyObject *py_import_by_name(const char *name)
+{
+ PyObject *py_mod, *py_modname;
+
+ py_modname = PyUnicode_FromString(name);
+ if (!py_modname)
+ return NULL;
+
+ py_mod = PyImport_Import(py_modname);
+ Py_DECREF(py_modname);
+
+ return py_mod;
+}
+
/**
* Get the value of a Python object's attribute, returned as a newly
* allocated char *.
return py_str_as_str(py_value, outstr);
}
+/**
+ * Get the value of a Python dictionary item, returned as a newly
+ * allocated char *.
+ *
+ * @param py_obj The dictionary to probe.
+ * @param py_key Key of the item to retrieve.
+ * @param outstr Pointer to char * storage to be filled in.
+ *
+ * @return SRD_OK upon success, a (negative) error code otherwise.
+ * The 'outstr' argument points to a malloc()ed string upon success.
+ *
+ * @private
+ */
+SRD_PRIV int py_pydictitem_as_str(PyObject *py_obj, PyObject *py_key,
+ char **outstr)
+{
+ PyObject *py_value;
+
+ if (!py_obj || !py_key || !outstr)
+ return SRD_ERR_ARG;
+
+ if (!PyDict_Check(py_obj)) {
+ srd_dbg("Object is not a dictionary.");
+ return SRD_ERR_PYTHON;
+ }
+
+ if (!(py_value = PyDict_GetItem(py_obj, py_key))) {
+ srd_dbg("Dictionary has no such key.");
+ return SRD_ERR_PYTHON;
+ }
+
+ if (!PyUnicode_Check(py_value)) {
+ srd_dbg("Dictionary value should be a string.");
+ return SRD_ERR_PYTHON;
+ }
+
+ return py_str_as_str(py_value, outstr);
+}
+
+/**
+ * Get the value of a Python dictionary item, returned as a newly
+ * allocated char *.
+ *
+ * @param py_obj The dictionary to probe.
+ * @param py_key Key of the item to retrieve.
+ * @param out TODO.
+ *
+ * @return SRD_OK upon success, a (negative) error code otherwise.
+ *
+ * @private
+ */
+SRD_PRIV int py_pydictitem_as_long(PyObject *py_obj, PyObject *py_key, uint64_t *out)
+{
+ PyObject *py_value;
+
+ if (!py_obj || !py_key || !out)
+ return SRD_ERR_ARG;
+
+ if (!PyDict_Check(py_obj)) {
+ srd_dbg("Object is not a dictionary.");
+ return SRD_ERR_PYTHON;
+ }
+
+ if (!(py_value = PyDict_GetItem(py_obj, py_key))) {
+ srd_dbg("Dictionary has no such key.");
+ return SRD_ERR_PYTHON;
+ }
+
+ if (!PyLong_Check(py_value)) {
+ srd_dbg("Dictionary value should be a long.");
+ return SRD_ERR_PYTHON;
+ }
+
+ *out = PyLong_AsUnsignedLongLong(py_value);
+
+ return SRD_OK;
+}
+
/**
* Get the value of a Python unicode string object, returned as a newly
* allocated char *.
*
* @param[in] py_obj The Python object. Must not be NULL.
* @return A floating reference to a new variant, or NULL on failure.
+ *
+ * @private
*/
SRD_PRIV GVariant *py_obj_to_variant(PyObject *py_obj)
{