Added collector for renderable cameras for render layers

colorbleed/plugins/maya/publish/collect_renderable_camera.py

@@ -0,0 +1,24 @@
+import pyblish.api
+
+from maya import cmds
+
+from colorbleed.maya import lib
+
+
+class CollectRenderableCamera(pyblish.api.InstancePlugin):
+    """Collect the renderable camera(s) for the render layer"""
+
+    order = pyblish.api.CollectorOrder
+    label = "Collect Renderable Camera(s)"
+    hosts = ["maya"]
+    families = ["colorbleed.vrayscene",
+                "colorbleed.renderlayer"]
+
+    def process(self, instance):
+        layer = instance.data["setMembers"]
+
+        cameras = cmds.ls(type="camera", long=True)
+        with lib.renderlayer(layer):
+            renderable = [c for c in cameras if
+                          cmds.getAttr("%s.renderable" % c)]
+            instance.data.update({"camera": renderable})