added collector and validator for workfile family

openpype/hosts/traypublisher/plugins/publish/collect_workfile.py

@@ -0,0 +1,31 @@
+import os
+import pyblish.api
+
+
+class CollectWorkfile(pyblish.api.InstancePlugin):
+    """Collect representation of workfile instances."""
+
+    label = "Collect Workfile"
+    order = pyblish.api.CollectorOrder - 0.49
+    families = ["workfile"]
+    hosts = ["traypublisher"]
+
+    def process(self, instance):
+        if "representations" not in instance.data:
+            instance.data["representations"] = []
+        repres = instance.data["representations"]
+
+        creator_attributes = instance.data["creator_attributes"]
+        filepath = creator_attributes["filepath"]
+        instance.data["sourceFilepath"] = filepath
+
+        staging_dir = os.path.dirname(filepath)
+        filename = os.path.basename(filepath)
+        ext = os.path.splitext(filename)[-1]
+
+        repres.append({
+            "ext": ext,
+            "name": ext,
+            "stagingDir": staging_dir,
+            "files": filename
+        })

openpype/hosts/traypublisher/plugins/publish/validate_workfile.py

@@ -0,0 +1,24 @@
+import os
+import pyblish.api
+from openpype.pipeline import PublishValidationError
+
+
+class ValidateWorkfilePath(pyblish.api.InstancePlugin):
+    """Validate existence of workfile instance existence."""
+
+    label = "Collect Workfile"
+    order = pyblish.api.ValidatorOrder - 0.49
+    families = ["workfile"]
+    hosts = ["traypublisher"]
+
+    def process(self, instance):
+        filepath = instance.data["sourceFilepath"]
+        if not filepath:
+            raise PublishValidationError((
+                "Filepath of 'workfile' instance \"{}\" is not set"
+            ).format(instance.data["name"]))
+
+        if not os.path.exists(filepath):
+            raise PublishValidationError((
+                "Filepath of 'workfile' instance \"{}\" does not exist: {}"
+            ).format(instance.data["name"], filepath))