sorting instances based on fammily, sorting renderlayers based on display order

colorbleed/plugins/maya/publish/collect_instances.py

@@ -113,7 +113,11 @@ class CollectInstances(pyblish.api.ContextPlugin):
             # user interface interested in visualising it.
             self.log.info("Found: \"%s\" " % instance.data["name"])
 
-        context[:] = sorted(context)
+        # Sort/grouped by family (preserving local index)
+        grouped = sorted(enumerate(context), key=self.sorter)
+        context[:] = [x[1] for x in grouped]
+        # context[:] = sorted(context, key= lambda x: (x.data['families'],
+        #                                              x.data['name']))
 
         return context
 
@@ -134,3 +138,10 @@ class CollectInstances(pyblish.api.ContextPlugin):
             parents.extend(items)
 
         return list(set(parents))
+
+    def sorter(self, x):
+        """Sort a tuple of index and instance"""
+        index, instance = x
+        family = instance.data.get("families", instance.data.get("family"))
+
+        return family, index

colorbleed/plugins/maya/publish/collect_renderlayers.py

@@ -12,7 +12,6 @@ class CollectMayaRenderlayers(pyblish.api.ContextPlugin):
     order = pyblish.api.CollectorOrder
     hosts = ["maya"]
     label = "Render Layers"
-    optional = True
 
     def process(self, context):
 
@@ -39,6 +38,11 @@ class CollectMayaRenderlayers(pyblish.api.ContextPlugin):
                         cmds.getAttr("{}.renderable".format(i)) and not
                         cmds.referenceQuery(i, isNodeReferenced=True)]
 
+        # Sort by displayOrder
+        renderlayers = sorted(renderlayers,
+                              key=lambda x: -cmds.getAttr("%s.displayOrder" % x))
+
+        renderlayers = reversed(renderlayers)
         if not use_defaultlayer:
             renderlayers = [i for i in renderlayers if
                             not i.endswith("defaultRenderLayer")]