added validator for checking start frame

openpype/hosts/tvpaint/plugins/publish/validate_start_frame.py

@@ -0,0 +1,27 @@
+import pyblish.api
+from avalon.tvpaint import lib
+
+
+class RepairStartFrame(pyblish.api.Action):
+    """Repair start frame."""
+
+    label = "Repair"
+    icon = "wrench"
+    on = "failed"
+
+    def process(self, context, plugin):
+        lib.execute_george("tv_startframe 0")
+
+
+class ValidateStartFrame(pyblish.api.ContextPlugin):
+    """Validate start frame being at frame 0."""
+
+    label = "Validate Start Frame"
+    order = pyblish.api.ValidatorOrder
+    hosts = ["tvpaint"]
+    actions = [RepairStartFrame]
+    optional = True
+
+    def process(self, context):
+        start_frame = lib.execute_george("tv_startframe")
+        assert int(start_frame) == 0, "Start frame has to be frame 0."