addeds simple validator

colorbleed/plugins/maya/publish/validate_vrayproxy.py

@@ -0,0 +1,27 @@
+import pyblish.api
+
+
+class ValidateVrayProxy(pyblish.api.InstancePlugin):
+
+    order = pyblish.api.ValidatorOrder
+    label = 'VRay Proxy Settings'
+    hosts = ['maya']
+    families = ['colorbleed.vrayproxy']
+
+    def process(self, instance):
+
+        invalid = self.get_invalid(instance)
+        if invalid:
+            raise RuntimeError("'%s' has invalid settings for VRay Proxy "
+                               "export!" % instance.name)
+
+    @classmethod
+    def get_invalid(cls, instance):
+        data = instance.data
+
+        if not data["setMembers"]:
+            cls.log.error("'%s' is empty! This is a bug" % instance.name)
+
+        if data["animation"]:
+            if data["endFrame"] < data["startFrame"]:
+                cls.log.error("End frame is smaller than start frame")