Minor fixes

nodebox/ext/noise.c

@@ -2,6 +2,8 @@
 // Based on: Malcolm Kesson, http://www.fundza.com/c4serious/noise/perlin/perlin.html
 // © 2002-4 Malcolm Kesson. All rights reserved.
 
+#include <Python.h>
+
 #include <math.h>
 #include <stdio.h>
 
@@ -48,8 +50,6 @@ double _generate(double x, double y, double z) {
 
 // -------------------------------------------------------------------------------------
 
-#include <Python.h> 
-
 static PyObject *
 generate(PyObject *self, PyObject *args) {
     double x, y, z, d;   
@@ -84,4 +84,5 @@ int main(int argc, char *argv[]) {
     Py_Initialize();
     initnoise();
     return 0;
-}
+}
+

nodebox/sound/process.py

@@ -228,6 +228,8 @@ def start(self):
         if self.patch is None \
         or not os.path.exists(self.patch):
             raise PDError, "no PD patch file at '%s'" % self.patch
+        if not self._path:
+            raise PDError, "no PD application found"
         if not os.path.exists(self._path):
             raise PDError, "no PD application at '%s'" % self._path
         if not self._process:
@@ -286,4 +288,4 @@ def data(self):
     def stop(self):
         self._socket.connections -= 1
         self._socket.close()
-        self._socket = None
+        self._socket = None