Merge branch '2-issue-when-the-nodes-of-the-graph-are-set-manually' into 'master'

Fixed small bug in the  constructor

Closes #2

See merge request !5

bob/ip/gabor/graph.cpp

@@ -69,7 +69,7 @@ BOB_TRY
       auto k_ = make_safe(k);
       if (
         (kwargs && PyDict_Contains(kwargs, k)) ||
-        (args && PyBobIoHDF5File_Check(PyTuple_GetItem(args, 0)))
+        (PyTuple_Size(args)>0 && PyBobIoHDF5File_Check(PyTuple_GetItem(args, 0)))
       ){
         PyBobIoHDF5FileObject* hdf5;
         if (!PyArg_ParseTupleAndKeywords(args, kwargs, "O&", kwlist1, &PyBobIoHDF5File_Converter, &hdf5)) return -1;

bob/ip/gabor/test.py

@@ -209,12 +209,26 @@ def test_graph():
   assert graph.number_of_nodes == 30
   assert graph.nodes[0] == (10,10)
   assert graph.nodes[-1] == (90,60)
-  # set graph nodes
+ 
+ # set graph nodes
   graph.nodes = [(0,0), (1,1)]
   assert graph.number_of_nodes == 2
   assert graph.nodes[0] == (0,0)
   assert graph.nodes[1] == (1,1)
 
+  # Create graph with kwargs
+  graph = bob.ip.gabor.Graph(nodes=[(0,0), (1,1)])
+  assert graph.number_of_nodes == 2
+  assert graph.nodes[0] == (0,0)
+  assert graph.nodes[1] == (1,1)
+
+  # Create graph with args
+  graph = bob.ip.gabor.Graph([(0,0), (1,1)])
+  assert graph.number_of_nodes == 2
+  assert graph.nodes[0] == (0,0)
+  assert graph.nodes[1] == (1,1)
+
+
   # create graph
   graph = bob.ip.gabor.Graph((177,148), (191,142), between=3, above=1, along=1, below=4)
   assert graph.number_of_nodes == 42