Fix compiler warnings with Python3.

https://github.com/collectd/collectd/issues/505

diff --git a/src/collectd-python.pod b/src/collectd-python.pod
index fc5376e..ac88f03 100644 (file)
--- a/src/collectd-python.pod
+++ b/src/collectd-python.pod
@@ -57,9 +57,11 @@ modules, e.g. "time".
 =item B<Encoding> I<Name>
 
 The default encoding for Unicode objects you pass to collectd. If you omit this
-option it will default to B<ascii> on I<Python 2> and B<utf-8> on I<Python 3>.
-This is hardcoded in Python and will ignore everything else, including your
-locale.
+option it will default to B<ascii> on I<Python 2>. On I<Python 3> it will
+always be B<utf-8>, as this function was removed, so this will be silently
+ignored.
+These defaults are hardcoded in Python and will ignore everything else,
+including your locale.
 
 =item B<ModulePath> I<Name>
 

diff --git a/src/python.c b/src/python.c
index af2dc5b..928c921 100644 (file)
--- a/src/python.c
+++ b/src/python.c
@@ -1034,13 +1034,15 @@ PyMODINIT_FUNC PyInit_collectd(void) {
 #endif
 
 static int cpy_init_python() {
-       char *argv = "";
        PyObject *sys;
        PyObject *module;
 
 #ifdef IS_PY3K
+       wchar_t *argv = {0};
        /* Add a builtin module, before Py_Initialize */
        PyImport_AppendInittab("collectd", PyInit_collectd);
+#else
+       char *argv = "";
 #endif
        
        Py_Initialize();
@@ -1117,9 +1119,13 @@ static int cpy_config(oconfig_item_t *ci) {
                } else if (strcasecmp(item->key, "Encoding") == 0) {
                        if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_STRING)
                                continue;
+#ifdef IS_PY3K
+                       NOTICE("python: \"Encoding\" was used in the config file but Python3 was used, which does not support changing encodings. Ignoring this.");
+#else
                        /* Why is this even necessary? And undocumented? */
                        if (PyUnicode_SetDefaultEncoding(item->values[0].value.string))
                                cpy_log_exception("setting default encoding");
+#endif
                } else if (strcasecmp(item->key, "LogTraces") == 0) {
                        if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN)
                                continue;