Fix utils script for no owmeta

c302/c302_utils.py

@@ -454,13 +454,24 @@ def generate_conn_matrix(nml_doc, save_fig_dir=None, verbose=False, figsize=defa
 
     all_cells = sorted(all_cells)
 
+    all_neurons = []
+    all_muscles = []
+    for c in all_cells:
+        if c302.is_muscle(c):
+            all_muscles.append(c)
+        else:
+            all_neurons.append(c)
+
     try:
         from owmeta_core.bundle import Bundle
         with Bundle('openworm/owmeta-data', version=6) as bnd:
             all_neuron_info, all_muscle_info = c302._get_cell_info(bnd, all_cells)
     except Exception as e:
-        c302.print_('Unable to connect to owmeta bundle: %s' % e)
         traceback.print_exc()
+        c302.print_('Unable to connect to the owmeta bundle: %s\n Proceeding anyway...' % e)
+        all_neuron_info = {n:('cell?','neuron_types?', 'receptor?', 'neurotransmitter?', n, 'color?') for n in all_neurons}
+        all_muscle_info = {m:('cell?','neuron_types?', 'receptor?', 'neurotransmitter?', m, 'color?') for m in all_muscles}
+
 
     '''
     if order_by_type:
@@ -478,13 +489,6 @@ def generate_conn_matrix(nml_doc, save_fig_dir=None, verbose=False, figsize=defa
         print('Swapping %s with %s'%(all_neuron_info,ordered_all_neuron_info))
         all_neuron_info = ordered_all_neuron_info'''
 
-    all_neurons = []
-    all_muscles = []
-    for c in all_cells:
-        if c302.is_muscle(c):
-            all_muscles.append(c)
-        else:
-            all_neurons.append(c)
 
 
     data_exc_n = np.zeros((len(all_neurons),len(all_neurons)))