fix: when msg_fd is 0, use STDOUT_FILENO

mscp/mscp.py

@@ -71,6 +71,9 @@ class mscp:
         self.state = STATE_INIT
 
     def __str__(self):
+        if not hasattr(self, "state"):
+            # this instance failed on mscp_init
+            return "mscp:{}:init-failed"
         return "mscp:{}:{}".format(self.remote, self.__state2str())
 
     def __repr__(self):

src/mscp.c

@@ -194,6 +194,9 @@ static int validate_and_set_defaut_params(struct mscp_opts *o)
 	if (o->max_startups == 0)
 		o->max_startups = DEFAULT_MAX_STARTUPS;
 
+	if (o->msg_fd == 0)
+		o->msg_fd = STDOUT_FILENO;
+
 	return 0;
 }
 

src/pymscp.c

@@ -175,6 +175,7 @@ static PyObject *wrap_mscp_init(PyObject *sef, PyObject *args, PyObject *kw)
 
 	i->m = mscp_init(remote, direction, &i->mo, &i->so);
 	if (!i->m) {
+		PyErr_Format(PyExc_RuntimeError, "%s", mscp_get_error());
 		free(i);
 		return NULL;
 	}