Various minor fixes (#341)

panel/io/server.py

@@ -92,7 +92,11 @@ def sig_exit(*args, **kwargs):
 
     def do_stop(*args, **kwargs):
         server.io_loop.stop()
-    signal.signal(signal.SIGINT, sig_exit)
+
+    try:
+        signal.signal(signal.SIGINT, sig_exit)
+    except ValueError:
+        pass # Can't use signal on a thread
 
     if start:
         server.start()

panel/links.py

@@ -119,7 +119,7 @@ def _process_links(cls, root_view, root_model):
         for link, src, tgt in found:
             cb = cls._callbacks[type(link)]
             if src is None or (getattr(link, '_requires_target', False)
-                                    and tgt is None):
+                               and tgt is None):
                 continue
             callbacks.append(cb(root_model, link, src, tgt))
         return callbacks

panel/models/vtk.ts

@@ -58,7 +58,6 @@ export class VTKPlotView extends HTMLBoxView {
       delete state.vtkCamera;
       delete state.viewPlaneNormal;
       this.model.camera = state;
-      this.model.properties.camera.change.emit();
       this._setting = false;
     }
   }

panel/util.py

@@ -30,10 +30,17 @@ def hashable(x):
 
 def isIn(obj, objs):
     """
-    Checks if the object is in the list of objects, unlike the ``in``
-    Python operator this will check only for identity not equality.
+    Checks if the object is in the list of objects safely.
     """
-    return any(o is obj for o in objs)
+    for o in objs:
+        if o is obj:
+            return True
+        try:
+            if o == obj:
+                return True
+        except:
+            pass
+    return False
 
 
 def indexOf(obj, objs):
@@ -42,9 +49,14 @@ def indexOf(obj, objs):
     list.index method this function only checks for identity not
     equality.
     """
-    indexes = [i for i, o in enumerate(objs) if o is obj]
-    if indexes:
-        return indexes[0]
+    for i, o in enumerate(objs):
+        if o is obj:
+            return i
+        try:
+            if o == obj:
+                return i
+        except:
+            pass
     raise ValueError('%s not in list' % obj)
 
 

panel/viewable.py

@@ -253,7 +253,7 @@ def _repr_mimebundle_(self, include=None, exclude=None):
         model = self.get_root(doc, comm)
         if config.embed:
             embed_state(self, model, doc,
-                        json=config.json,
+                        json=config.embed_json,
                         save_path=config.embed_save_path,
                         load_path=config.embed_load_path)
             return render_model(model)

panel/widgets/tests/test_select.py

@@ -13,6 +13,30 @@ def test_select_list_constructor():
     assert select.options == ['A', 1]
 
 
+def test_select_float_option_with_equality():
+    opts = {'A': 3.14, '1': 2.0}
+    select = Select(options=opts, value=3.14, name='Select')
+    assert select.value == 3.14
+
+    select.value = 2
+    assert select.value == 2.0
+
+    select.value = 3.14
+    assert select.value == 3.14
+
+
+def test_select_text_option_with_equality():
+    opts = {'A': 'ABC', '1': 'DEF'}
+    select = Select(options=opts, value='DEF', name='Select')
+    assert select.value == 'DEF'
+
+    select.value = 'ABC'
+    assert select.value == 'ABC'
+
+    select.value = 'DEF'
+    assert select.value == 'DEF'
+
+
 def test_select(document, comm):
     opts = {'A': 'a', '1': 1}
     select = Select(options=opts, value=opts['1'], name='Select')